3Com VCX V7111 User Manual

Other manuals for VCX V7111: User Manual, User Manual, Installation Manual
Manual is about: voip

Summary of VCX V7111

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    3com® vcx™ v7111 voip gateway user guide system release 5.0 http://www.3com.Com part number 900-0486-01 aa published december 2007.

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    2 3com ® vcx v7111 voip gateway user guide 3com corporation, 350 campus drive, marlborough, ma 01752-3064 copyright © 2007, 3com corporation. All rights reserved. No part of this documentation may be reproduced in any form or by any means or used to make any derivative work (such as translation, tra...

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    3com ® vcx v7111 voip gateway user guide 3 c ontents a bout t his g uide 13 how to use this guide 13 conventions 14 related documentation 15 documentation comments 15 notices 15 weee eu directive 15 abbreviations and terminology 15 c hapter 1: o verview 17 gateway description 17 sip overview 19 v711...

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    4 3com ® vcx v7111 voip gateway user guide 19-inch rack installation package (optional) 32 mounting the v7111 1x port 32 cabling the v7111 1x port 34 installing the v7111 24 port 37 unpacking 37 package contents 38 mounting the v7111 24 port 38 cabling the v7111 24 port 40 readers notes 44 c hapter ...

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    3com ® vcx v7111 voip gateway user guide 5 mapping npi/ton to phone-context 113 configuring the routing tables 115 configuring the profile definitions 127 configuring the endpoint phone numbers 133 configuring the hunt group settings 135 configuring the endpoint settings 138 configuring radius accou...

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    6 3com ® vcx v7111 voip gateway user guide c hapter 6: ini f ile c onfiguration of the v7111 g ateway 237 secured ini file 237 modifying an ini file 238 the ini file structure 238 the ini file structure rules 238 the ini file example 239 readers notes 240 c hapter 7: u sing b oot p / dhcp 241 bootp/...

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    3com ® vcx v7111 voip gateway user guide 7 configuring the gateways alternative routing (based on connectivity and qos) 265 alternative routing mechanism 265 determining the availability of destination ip addresses 265 relevant parameters 266 mapping pstn release cause to sip response 266 call detai...

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    8 3com ® vcx v7111 voip gateway user guide c hapter 10: a dvanced s ystem c apabilities 299 restoring networking parameters to their initial state 299 establishing a serial communications link with the v7111 gateway 300 automatic update mechanism 301 startup process 303 using parameter tables 305 ta...

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    3com ® vcx v7111 voip gateway user guide 9 internal firewall 342 network port usage 344 recommended practices 345 legal notice 345 readers notes 346 c hapter 13: d iagnostics 347 self-testing 347 v7111 gateway line testing 348 syslog support 349 syslog servers 350 operation 350 readers notes 351 c h...

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    10 3com ® vcx v7111 voip gateway user guide graceful shutdown 374 3com element management system 375 readers notes 376 c hapter 15: c onfiguration f iles 377 configuring the call progress tones and distinctive ringing file 377 format of the call progress tones section in the ini file 377 format of t...

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    3com ® vcx v7111 voip gateway user guide 11 when to use the bootp/tftp 407 an overview of bootp 407 key features 408 specifications 408 installation 408 loading the cmp file, booting the device 409 bootp/tftp application user interface 409 function buttons on the main screen 411 log window 411 setti...

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    12 3com ® vcx v7111 voip gateway user guide recording screen – manual mode 437 the call progress tones ini file 438 adding a reorder tone to the cpt file 440 a ppendix f: snmp t raps 441 alarm traps 441 component: board# 442 component: alarmmanager#0 446 component: ethernetlink#0 447 log traps (noti...

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    3com ® vcx v7111 voip gateway user guide 13 a bout t his g uide this guide describes the use of the v7111 voip media gateways. The model numbers that this manual supports are: vcx v7111 voip gateway 2 fxs (3crvg71115-07) vcx v7111 voip gateway 4 fxs (3crvg71110-07) vcx v7111 voip gateway 8 fxs (3crv...

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    14 3com ® vcx v7111 voip gateway user guide chapter 7: using bootp / dhcp chapter 8: telephony capabilities chapter 9: networking capabilities chapter 10: advanced system capabilities chapter 11: special applications - metering tones relay chapter 12: security chapter 13: diagnostics chapter 14: snm...

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    3com ® vcx v7111 voip gateway user guide 15 related documentation the following documents are available on the 3com partner access web site for the 3com v7111 gateway: 900-0485-01 v7111 voip gateway installation guide documentation comments your suggestions are important to us because we want to mak...

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    16 3com ® vcx v7111 voip gateway user guide v7111 refers to the v7111 24 port, v7111 18 port, v7111 14 port and v7111 12 port voip gateways. V7111 1x port refers to the v7111 18 port, v7111 14 port and v7111 12 port voip gateways. Where network appears in this manual, it means local area network (la...

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    3com ® vcx v7111 voip gateway user guide 17 c hapter 1: o verview this document provides you with the information on installation, configuration and operation of the voip analog gateways listed in the table below: table 2 supported product configurations product name fxs fxo combined fxs / fxo numbe...

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    18 3com ® vcx v7111 voip gateway user guide the v7111 gateways are very compact devices that can be installed as a desk-top unit, on the wall or in a 19-inch rack. The v7111 gateways support sip (session initiation protocol) protocol, enabling the deployment of voice over ip solutions in environment...

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    3com ® vcx v7111 voip gateway user guide 19 sip overview sip (session initialization protocol) is an application-layer control (signaling) protocol used on the v7111 for creating, modifying, and terminating sessions with one or more participants. These sessions can include internet telephone calls, ...

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    20 3com ® vcx v7111 voip gateway user guide supports load balancing with proxy. T.38 fax fallback to pcm (or nse). Can be integrated into a multiple ips and a vlan-aware environment. Capable of automatically updating its firmware version and configuration. Secured web access (https) and telnet acces...

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    3com ® vcx v7111 voip gateway user guide 21 t.38 real time fax (using sip). If the remote side includes the fax maximum rate parameter in the session description protocol (sdp) body of the invite message, the gateway returns the same rate in the response sdp. Works with proxy or without proxy, using...

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    22 3com ® vcx v7111 voip gateway user guide where username is used instead of phone number in from/to headers. The registration request is resent according to the registrartiontimedivider parameter. For example, if registrationtimedivider = 70 (%) and registration expires time = 3600, the gateway re...

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    3com ® vcx v7111 voip gateway user guide 23 supports rfc 3966, the tel uri for telephone numbers. Supports rfc 4244, an extension to sip for request history information. Supports tel uri (uniform resource identifier) according to rfc 2806 bis. Supports itu v.152 - procedures for supporting voice-ban...

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    24 3com ® vcx v7111 voip gateway user guide supports 3-way conference using an external media server. For more updated information about the gateways supported features, see the latest v7111 gateway release notes..

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    3com ® vcx v7111 voip gateway user guide 25 c hapter 2: v7111 g ateway p hysical d escription this section provides detailed information on the hardware, the location and functionality of the leds, buttons and connectors on the front and rear panels of the v7111 1x port (see v7111 1x port physical d...

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    26 3com ® vcx v7111 voip gateway user guide table 3 definition of v7111 1x port front panel led indicators v7111 1x port rear panel figure 3 illustrates the rear layout of the v7111 18 port (almost identical on v7111 14 port and v7111 12 port). Table 4 lists and describes the rear panel connectors a...

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    3com ® vcx v7111 voip gateway user guide 27 table 4 v7111 1x port rear panel component descriptions item # label component description 1 100-240~0.3a max. Ac power supply socket 2 ethernet 10/100 base-tx uplink port 3 rs-232 rs-232 status port (requires a db-9 to ps/2 adaptor) 4 fxs or fxo 2, 4, or ...

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    28 3com ® vcx v7111 voip gateway user guide label type color state function red on malfunction green on valid 10/100 base-tx ethernet connection lan ethernet link status red on malfunction green blinking sending and receiving sip messages control control link blank no traffic green blinking transmit...

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    3com ® vcx v7111 voip gateway user guide 29 table 7 v7111 24 port rear panel component descriptions item # label component description 1 protective earthing screw (mandatory for all installations).Accepts a 6-32 unc screw. 2 100-250 v~ 50 - 60 hz 2a ac power supply socket. 3 analog fxs lines 1 –24 5...

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    30 3com ® vcx v7111 voip gateway user guide readers notes.

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    3com ® vcx v7111 voip gateway user guide 31 c hapter 3: i nstalling the v7111 g ateway this section provides information on the installation procedure for the v7111 1x port (see installing the v7111 1x port ) and the v7111 24 port (see 3 installing the v7111 24 port ). For information about how to s...

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    32 3com ® vcx v7111 voip gateway user guide 6 retain any diskettes or cds. Package contents ensure that in addition to the v7111 1x port, the package contains: ac power cable. Small plastic bag containing four anti-slide bumpers for desktop installation. A cd with software and documentation may be i...

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    3com ® vcx v7111 voip gateway user guide 33 figure 7 view of the v7111 1x port base table 9 view of the v7111 1x port base item # functionality 1 square slot used to attach anti-slide bumpers (for desktop mounting) 2 oval notch used to attach the v7111 1x port to a wall 3 screw opening used to attac...

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    34 3com ® vcx v7111 voip gateway user guide installing the v7111 1x port in a 19-inch rack the v7111 1x port can be installed in a standard 19-inch rack by placing it on an 3com' 19-inch rack-mounting shelf that is pre-installed in the rack. The shelf can hold up to two v7111 1x port gateways. This ...

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    3com ® vcx v7111 voip gateway user guide 35 table 11 v7111 1x port cables and cabling procedure cable cabling procedure rj-45 ethernet cable connect the ethernet connection on the v7111 1x port directly to the network using a crossover rj-45 ethernet cable. For connector pinouts, see figure 9 . Note...

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    36 3com ® vcx v7111 voip gateway user guide connecting the v7111 1x port rs-232 port to your pc using a standard rs-232 straight cable (not a cross-over cable) with db-9 connectors, connect the v7111 1x port rs-232 port (using a db-9 to ps/2 adaptor) to either com1 or com2 rs-232 communication port ...

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    3com ® vcx v7111 voip gateway user guide 37 to cable the v7111 1x port/fxs lifeline: 1 connect the lifeline splitter to port #1 on the v7111 1x port (the lifeline splitter is a special order option). 2 connect the lifeline phone to port a on the lifeline splitter. 3 connect an analog pstn line to po...

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    38 3com ® vcx v7111 voip gateway user guide package contents ensure that in addition to the v7111 24 port, thepackage contains: ac power cable. 2 short equal-length brackets and bracket-to-device screws for the 19-inch rack installation. A cd with software and documentation may be included. The v711...

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    3com ® vcx v7111 voip gateway user guide 39 caution: rack mount safety instructions (ul) when installing the chassis in a rack, be sure to implement the following safety instructions recommended by underwriters laboratories: • elevated operating ambient - if installed in a closed or multi-unit rack ...

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    40 3com ® vcx v7111 voip gateway user guide figure 15 v7111 24 port with brackets for rack installation cabling the v7111 24 port cable your v7111 24 port according to each section of table 12 . For detailed information on the v7111 24 port rear panel connectors, see v7111 24 port rear panel . Table...

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    3com ® vcx v7111 voip gateway user guide 41 caution: v7111 24 port safety notice to protect against electrical shock and fire, use a 26 awg min wire to connect analog fxs lines to the 50-pin telco connector. Figure 16 rj-45 ethernet connector pinouts 1 2 3 4 5 6 7 8 rj-45 connector and pinout 4, 5, ...

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    42 3com ® vcx v7111 voip gateway user guide figure 18 v7111 24 port in a 19-inch rack with mdf adaptor data cntrl ready config 1 2 3 4 5 on rs-232 eth 1 eth 2 analog lines 1-20 100 - 250v~ 50 - 60hz 2a ac power cord grounding strap rs-232 cable 50-pin female telco connector back-up lan cable to eth ...

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    3com ® vcx v7111 voip gateway user guide 43 10 10/35 22 22/47 11 11/36 23 23/48 12 12/37 24 24/49 connecting the v7111 24 port rs-232 port to your pc using a standard rs-232 straight cable (not a cross-over cable) with db-9 connectors, connect the v7111 24 port rs-232 port to either com1 or com2 rs-...

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    44 3com ® vcx v7111 voip gateway user guide readers notes.

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    3com ® vcx v7111 voip gateway user guide 45 c hapter 4: g etting s tarted the v7111 gateway is supplied with default networking parameters (show in table 14 ) and with an application software already resident in its flash memory (with factory default parameters). Before you begin configuring the gat...

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    46 3com ® vcx v7111 voip gateway user guide assigning the v7111 gateway ip address to assign an ip address to the v7111 gateway use one of the following methods: http using a web browser (see assigning an ip address using http ). Bootp (see assigning an ip address using bootp ). Voice menu using a s...

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    3com ® vcx v7111 voip gateway user guide 47 record and retain the ip address and subnet mask you assign the v7111. Do the same when defining new username or password. If the embedded web server is unavailable (for example, if you have lost your username and password), use the bootp/tftp (trivial fil...

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    48 3com ® vcx v7111 voip gateway user guide dial the new ip address; use the star (*) key instead of dots ("."), that is, 192*168*0*4 and press # to finish. Review the new ip address, and press 1 to save it. 4 to change the subnet mask, press 2 followed by the # key. The current subnet mask of the g...

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    3com ® vcx v7111 voip gateway user guide 49 assigning an ip address using the cli first access the cli using a standard telnet application or using a serial communication software (for example, hyperterminal tm ) connected to the v7111 rs-232 port (see access the cli ). Then assign the v7111 an ip a...

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    50 3com ® vcx v7111 voip gateway user guide assign an ip address to assign an ip address using the cli: 1 at the prompt type conf and press enter; the configuration folder is accessed. 2 to check the current network parameters, at the prompt, type gcp ip and then press enter; the current network set...

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    3com ® vcx v7111 voip gateway user guide 51 figure 20 quick setup screen to configure basic sip parameters: 1 if the v7111 gateway is connected to a router with network address translation (nat) enabled, perform the following procedure. If it is not, leave the nat ip address field undefined. Determi...

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    52 3com ® vcx v7111 voip gateway user guide 5 configure enable registration to yes or no: no = the v7111 does not register to a proxy server/registrar (default). Yes = the v7111 registers to a proxy server/registrar at power up and every registration time seconds; the v7111 gateway sends a register ...

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    3com ® vcx v7111 voip gateway user guide 53 readers notes.

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    54 3com ® vcx v7111 voip gateway user guide.

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    3com ® vcx v7111 voip gateway user guide 55 c hapter 5: w eb m anagement the embedded web server is used both for gateway configuration, including loading of configuration files, and for run-time monitoring. The embedded web server can be accessed from a standard web browser, such as microsoft™ inte...

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    56 3com ® vcx v7111 voip gateway user guide user accounts to prevent unauthorized access to the embedded web server, two user accounts are available, a primary and secondary. Each account is composed of three attributes: username, password and access level. The username and password enable access to...

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    3com ® vcx v7111 voip gateway user guide 57 the default attributes for the two accounts are shown in table 17 : table 17 default attributes for the accounts account / attribute username (case-sensitive) password (case-sensitive) access level primary account admin admin security administrator * secon...

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    58 3com ® vcx v7111 voip gateway user guide accessing the embedded web server to access the embedded web server: 1 open a standard web-browsing application such as microsoft™ internet explorer™ or netscape™ navigator™. 2 in the uniform resource locator (url) field, specify the ip address of the v711...

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    3com ® vcx v7111 voip gateway user guide 59 select the advanced tab, scroll down until the http 1.1 settings are displayed and verify that the use http 1.1 option is checked. 3 restart the browser. Getting acquainted with the web interface figure 22 shows the general layout of the web interface scre...

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    60 3com ® vcx v7111 voip gateway user guide the web interface screen features the following components: title bar: contains three configurable elements: corporate logo, a background image and the products name. For information on how to modify these elements, see using parameter tables . Product nam...

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    3com ® vcx v7111 voip gateway user guide 61 when positioning your curser over a parameter name (or a table) for more than 1 second, a short description of this parameter is displayed. Note that parameters preceded by an exclamation mark (!) are not changeable on-the-fly and require that the device b...

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    62 3com ® vcx v7111 voip gateway user guide figure 23 searched result screen each searched result displays the following: parameter name (hyperlinked to its location in the embedded web server) brief description of the parameter hyperlink in green displaying the url path to its location in the embed...

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    3com ® vcx v7111 voip gateway user guide 63 figure 24 searched parameter highlighted in screen if the searched parameter is not located, the no matches found for this string message is displayed. Protocol management use this menu to configure the gateways sip parameters and tables. Those parameters ...

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    64 3com ® vcx v7111 voip gateway user guide general parameters use this screen to configure general sip parameters. 1 to configure the general parameters under protocol definition: open the general parameters screen (protocol management menu > protocol definition submenu > generalparameters option);...

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    3com ® vcx v7111 voip gateway user guide 65 table 18 protocol definition, general parameters parameter description prack mode [prackmode] prack mechanism mode for 1xx reliable responses: disable [0] . Supported [1] (default). Required [2] . The supported and required headers contain the 100rel param...

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    66 3com ® vcx v7111 voip gateway user guide parameter description enable early media [ enableearlymedia] disable [0] = early media is disabled (default). Enable [1] = enable early media. If enabled, the gateway sends 183 session progress response with sdp (instead of 180 ringing), allowing the media...

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    3com ® vcx v7111 voip gateway user guide 67 parameter description fax signaling method [isfaxused] determines the sip signaling method used to establish and convey a fax session after a fax is detected. No fax [0] = no fax negotiation using sip signaling (default). T.38 relay [1] = initiates t.38 fa...

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    68 3com ® vcx v7111 voip gateway user guide parameter description enable sips [enablesips] enables secured sip (sips) connections over multiple hops. Disable [0] (default). Enable [1]. When siptransporttype = 2 (tls) and enablesips is disabled, tls is used for the next network hop only. When siptran...

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    3com ® vcx v7111 voip gateway user guide 69 parameter description enable history-info header [enablehistoryinfo] enables usage of the history-info header. Valid options include: [0] = disable (default) [1] = enable uac behavior: initial request: the history-info header is equal to the request uri. I...

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    70 3com ® vcx v7111 voip gateway user guide parameter description use source number as display name [usesourcenumberasdisplayname] applicable to telÆip calls. No [0] = the tel source number is used as the ip source number and the tel display name is used as the ip display name (if tel display name i...

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    3com ® vcx v7111 voip gateway user guide 71 parameter description enable gruu [enablegruu] determines whether or not the gruu mechanism is used. Valid options include: disable [0] (default) enable [1] the gateway obtains a gruu by generating a normal register request. This request contains a support...

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    72 3com ® vcx v7111 voip gateway user guide parameter description user-agent information [useragentdisplayinfo] defines the string that is used in the sip request header user-agent and sip response header server. If not configured, the default string 3com product-name s/w-version is used (for exampl...

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    3com ® vcx v7111 voip gateway user guide 73 parameter description sip t1 retransmission timer [msec] [ sipt1rtx] the time interval (in msec) between the first transmission of a sip message and the first retransmission of the same message. The default is 500. The time interval between subsequent retr...

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    74 3com ® vcx v7111 voip gateway user guide figure 26 proxy & registration parameters screen 2 configure the proxy & registration parameters according to table 19 . 3 click submit to save your changes, or click register or un-register to save your changes and to register / unregister to a proxy / re...

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    3com ® vcx v7111 voip gateway user guide 75 table 19 proxy & registration parameters parameter description enable proxy [isproxyused] do not use proxy [0] = proxy is not used, the internal routing table is used instead (default). Use proxy [1] = proxy is used. If you are using a proxy server, enter ...

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    76 3com ® vcx v7111 voip gateway user guide parameter description gateway registration name [gwregistrationname] defines the user name that is used in from and to headers of register messages. Applicable only to single registration per gateway (authenticationmode = 1). If gwregistrationname is not s...

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    3com ® vcx v7111 voip gateway user guide 77 parameter description proxy load balancing method [proxyloadbalancingmethod] enables the usage of the proxy load balancing mechanism. Valid options include: disable [0] = load balancing is disabled (default). Round robin [1] = round robin algorithm. Random...

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    78 3com ® vcx v7111 voip gateway user guide parameter description dns query type [dnsquerytype] enables the use of dns naming authority pointer (naptr) and service record (srv) queries to resolve proxy and registrar servers and to resolve all domain names that appear in the contact and record-route ...

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    3com ® vcx v7111 voip gateway user guide 79 parameter description proxy dns query type [proxydnsquerytype] enables the use of dns naming authority pointer (naptr) and service record (srv) queries to discover proxy servers. Valid options include: [0] = a-record (default) [1] = srv [2] = naptr if set ...

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    80 3com ® vcx v7111 voip gateway user guide parameter description registrar ip address [registrarip] ip address and optionally port number of registrar server. Enter the ip address in dotted format notation, for example 201.10.8.1:. If not specified, the register request is sent to the primary proxy...

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    3com ® vcx v7111 voip gateway user guide 81 parameter description proxy keep alive time [proxykeepalivetime] defines the proxy keep-alive time interval (in seconds) between keep- alive messages. The default value is 60 seconds. This parameter is applicable only if enableproxykeepalive = 1 (options)....

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    82 3com ® vcx v7111 voip gateway user guide parameter description enable proxy hot-swap [isproxyhotswap] enable proxy hot-swap redundancy mode. No [0] = disabled (default). Yes [1] = enabled. If hot swap is enabled, sip invite message is first sent to the primary proxy server. If there is no respons...

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    3com ® vcx v7111 voip gateway user guide 83 to configure the gateways coders: 1 open the coders screen (protocol management menu > protocol definition submenu > codersoption); the coders screen is displayed. Figure 27 coders screen 2 from the coder name drop-down list, select the coder you want to u...

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    84 3com ® vcx v7111 voip gateway user guide • each coder can appear only once. • if not specified, the ptime gets a default value. The ptime specifies packetization time the gateway expects to receive. The gateway always uses the ptime requested by the remote side for sending rtp packets. Only the p...

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    3com ® vcx v7111 voip gateway user guide 85 table 21 ini file coder parameter parameter description codername defines the gateways coder list (up to five coders can be configured). Enter coders in the following format: codername=,,,, suppression mode> the coder name is case-sensitive. If silence sup...

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    86 3com ® vcx v7111 voip gateway user guide figure 28 dtmf & dialing screen 2 configure the dtmf & dialing parameters according to table 22 . 3 click the submit button to save your changes. 4 to save the changes so they are available after a power fail, see saving configuration . Table 22 dtmf & dia...

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    3com ® vcx v7111 voip gateway user guide 87 parameter description declare rfc 2833 in sdp [rxdtmfoption] defines the supported receive dtmf negotiation method. No [0] = do notdeclare rfc 2833 telephony-event parameter in sdp yes [3] = declare rfc 2833 telephony-event parameter in sdp (default) the v...

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    88 3com ® vcx v7111 voip gateway user guide parameter description hook-flash option [hookflashoption] supported hook-flash transport type (method by which hook-flash is sent and received). Valid options include: not supported [0] = hook-flash indication isn’t sent (default). Info [1] = send propriet...

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    3com ® vcx v7111 voip gateway user guide 89 configuring the advanced parameters use this submenu to configure the gateways advanced control protocol parameters. General parameters use this screen to configure general control protocol parameters. To configure the general parameters under advanced par...

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    90 3com ® vcx v7111 voip gateway user guide figure 29 advanced parameters, general parameters screen 2 configure the general parameters under advanced parameters according to table 23 . 3 click the submit button to save your changes. 4 to save the changes so they are available after a power fail, se...

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    3com ® vcx v7111 voip gateway user guide 91 table 23 advanced parameters, general parameters parameter description signaling diffserv [controlipdiffserv] obsolete parameter, use premiumserviceclasscontroldiffserv instead. Ip security [ securecallsfromip] no [0] = gateway accepts all sip calls (defau...

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    92 3com ® vcx v7111 voip gateway user guide parameter description enable digit delivery to tel [enabledigitdelivery] disable [0] = disabled (default). Enable [1] = enable digit delivery feature for v7111/fxo & fxs. The digit delivery feature enables sending of dtmf digits to the gateways port after ...

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    3com ® vcx v7111 voip gateway user guide 93 parameter description enable current disconnect [ enablecurrentdisconnect] disable [0] = disable the current disconnect service (default). Enable [1] = enable the current disconnect service. If the current disconnect service is enabled, the fxo gateway rel...

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    94 3com ® vcx v7111 voip gateway user guide parameter description telconnectcode [send digit pattern on connect] defines a digit pattern that is sent to the tel side after 200 ok is received from the ip side. The digit pattern is a predefined dtmf sequence that is used to indicate an answer signal (...

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    3com ® vcx v7111 voip gateway user guide 95 parameter description enable busy out [ enablebusyout] no [0] = busy out feature is not used (default). Yes [1] = the v7111/fxs gateway plays a reorder tone when the phone is offhooked and one of the following occurs: (1) there is a network problem. (2) pr...

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    96 3com ® vcx v7111 voip gateway user guide parameter description enable lan watchdog [enablelanwatchdog] disable [0] = disable lan watch-dog (default). Enable [1] = enable lan watch-dog. When lan watch-dog is enabled, the gateway's overall communication integrity is checked periodically. If no comm...

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    3com ® vcx v7111 voip gateway user guide 97 supplementary services use this screen to configure parameters that are associated with supplementary services. For detailed information on the supplementary services, see working with supplementary services . To configure the supplementary services parame...

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    98 3com ® vcx v7111 voip gateway user guide 3 click the submit button to save your changes, or click the subscribe for mwi or un- subscribe for mwi buttons to save your changes and to subscribe / unsubscribe to the mwi server. 4 to save the changes so they are available after a power fail, see savin...

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    3com ® vcx v7111 voip gateway user guide 99 table 24 supplementary services parameters parameter description enable hold [enablehold] no [0] = disable the hold service. Yes [1] = enable the hold service (default). If the hold service is enabled, a user can activate hold (or unhold) using the hook-fl...

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    100 3com ® vcx v7111 voip gateway user guide parameter description enable call waiting [enablecallwaiting] no [0] = disable the call waiting service. Yes [1] = enable the call waiting service (default). If enabled, when an fxs gateway receives a call on a busy endpoint, it responds with a 182 respon...

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    3com ® vcx v7111 voip gateway user guide 101 parameter description caller id type [calleridtype] defines one of the following standards for detection (fxo) and generation (fxs) of caller id and detection (fxo) of mwi (when specified) signals. Bellcore [0] (caller id and mwi) (default). Etsi [1] (cal...

  • Page 102

    102 3com ® vcx v7111 voip gateway user guide parameter description mwi subscribe expiration time [mwiexpirationtime] mwi subscription expiration time in seconds. The default is 7200 seconds. The range is 10 to 72000. Mwi subscribe retry time [subscriberetrytime] subscription retry time in seconds. T...

  • Page 103

    3com ® vcx v7111 voip gateway user guide 103 to configure the metering tones: 1 open the metering tones screen (protocolmanagement menu > advancedparameters submenu > meteringtonesoption); the metering tones screen is displayed. Figure 31 metering tones parameters screen 2 from the generate metering...

  • Page 104

    104 3com ® vcx v7111 voip gateway user guide parameter description charge codes table for detailed information on configuring the charge codes table, see charge codes table . Charge codes table the charge codes table is used to configure the metering tones (and their time interval) that the fxs gate...

  • Page 105

    3com ® vcx v7111 voip gateway user guide 105 table 26 charge codes table ini file parameter parameter name in ini file parameter format chargecode chargecode_ = st period end time>, st period pulse interval>, st period pulses on answer>, nd period end time>, nd period pulse interval>, nd period puls...

  • Page 106

    106 3com ® vcx v7111 voip gateway user guide figure 33 keypad features screen 2 configure the keypad features according to table 27 . 3 click the submit button to save your changes. 4 to save the changes so they are available after a power fail, see saving configuration . • the method used by the ga...

  • Page 107

    3com ® vcx v7111 voip gateway user guide 107 table 27 keypad features parameters parameter description forward note that the forward type and number can be viewed in the call forward table (see call forward ) unconditional [keycfuncond] keypad sequence that activates the immediate forward option. No...

  • Page 108

    108 3com ® vcx v7111 voip gateway user guide configuring the number manipulation tables the voip gateway provides four number manipulation tables for incoming and outgoing calls. These tables are used to modify the destination and source telephone numbers so that the calls can be routed correctly. T...

  • Page 109

    3com ® vcx v7111 voip gateway user guide 109 figure 34 source phone number manipulation table for telÆip calls 2 from the table index drop-down list, select the range of entries that you want to edit (up to 20 entries can be configured for source number manipulation and 50 entries for destination nu...

  • Page 110

    110 3com ® vcx v7111 voip gateway user guide parameter description number of stripped digits enter the number of digits that you want to remove from the left of the telephone number prefix. For example, if you enter 3 and the phone number is 5551234, the new phone number is 1234. Enter the number of...

  • Page 111

    3com ® vcx v7111 voip gateway user guide 111 table 29 number manipulation ini file parameters parameter description numbermaptel2ip manipulates the destination number for tel to ip calls. Numbermaptel2ip = a,b,c,d,e,f,g a = destination number prefix b = number of stripped digits from the left, or (i...

  • Page 112

    112 3com ® vcx v7111 voip gateway user guide parameter description sourcenumbermaptel2ipsourcenumbermaptel2ip = a,b,c,d,e,f,g,h a = source number prefix b = number of stripped digits from the left, or (if in brackets are used) from right. A combination of both options is allowed. C = string to add a...

  • Page 113

    3com ® vcx v7111 voip gateway user guide 113 dialing plan notation the dialing plan notation applies, in addition to the four manipulation tables, also to telÆip routing table and to ipÆhunt group routing table. When entering a number in the destination and source prefix columns, you can create an e...

  • Page 114

    114 3com ® vcx v7111 voip gateway user guide to configure the phone-context tables, take these 6 steps: 1 open the 'phone context table' screen (protocolmanagement menu > manipulation tablessubmenu > phonecontexttable option); the 'phone context table' screen appears, as shown below. Figure 35 phone...

  • Page 115

    3com ® vcx v7111 voip gateway user guide 115 6 configure the phone context table according to table 30 . 7 click the submit button to save your changes. 8 to save the changes so they are available after a power fail, see saving configuration . Several rows with the same npi-ton or phone-context are ...

  • Page 116

    116 3com ® vcx v7111 voip gateway user guide figure 36 routing tables, general parameters screen 2 configure the general parameters under routing tables according to table 31 . 3 click submit to save your changes. 4 to save the changes so they are available after a power fail, see saving configurati...

  • Page 117

    3com ® vcx v7111 voip gateway user guide 117 parameter description enable alt routing tel to ip [altroutingtel2ipenable] no [0] = disable the alternative routing feature (default). Yes [1] = enable the alternative routing feature. Status only [2] = the alternative routing feature is disabled. A read...

  • Page 118

    118 3com ® vcx v7111 voip gateway user guide possible uses for tel to ip routing can be as follows: can fallback to internal routing table if there is no communication with the proxy servers. Call restriction – (when proxy is not used), reject all outgoing telÆip calls that are associated with the d...

  • Page 119

    3com ® vcx v7111 voip gateway user guide 119 to configure the tel to ip routing table: 1 open the tel to ip routing screen (protocol management menu > routing tables submenu > tel to ip routing option); the tel to ip routing screen is displayed (shown in figure 37 ). 2 in the tel to ip routing mode ...

  • Page 120

    120 3com ® vcx v7111 voip gateway user guide parameter description any telephone number whose destination number matches the prefix defined in the destination phone prefix field and its source number matches the prefix defined in the adjacent source phone prefix field, is sent to the ip address ente...

  • Page 121

    3com ® vcx v7111 voip gateway user guide 121 source phone prefix source ip address the call is then sent to the voip gateway channels assigned to that hunt group. The specific channel, within a hunt group, that is assigned to accept the call is determined according to the hunt groups channel selecti...

  • Page 122

    122 3com ® vcx v7111 voip gateway user guide 2 in the ip to tel routing mode field, select the ip to tel routing mode (see table 33 ). 3 in the routing index drop-down list, select the range of entries that you want to edit (up to 24 entries can be configured). 4 configure the ip to hunt group routi...

  • Page 123

    3com ® vcx v7111 voip gateway user guide 123 parameter name in ini file parameter format pstnprefix pstnprefix = a,b,c,d,e a = destination number prefix b = hunt group id c = source number prefix d = source ip address (obtained from the contact header in the invite message) e = ip profile id selecti...

  • Page 124

    124 3com ® vcx v7111 voip gateway user guide 2 in the domain name field, enter the hostname to be translated. You can enter a string up to 31 characters long. 3 in the first ip address field, enter the first ip address that the hostname is translated to. 4 in the second ip address field, enter the s...

  • Page 125

    3com ® vcx v7111 voip gateway user guide 125 figure 39 internal srv table screen 2 in the domain name field, enter the hostname to be translated. You can enter a string up to 31 characters long. 3 from the transport type drop-down list, select a transport type. 4 in the dns name 1 field, enter the f...

  • Page 126

    126 3com ® vcx v7111 voip gateway user guide reasons for alternative routing the reasons for alternative routing screen includes two tables (telÆip and ipÆtel). Each table enables you to define up to 4 different release reasons. If a call is released as a result of one of these reasons, the gateway ...

  • Page 127

    3com ® vcx v7111 voip gateway user guide 127 3 in the tel to ip reasons table, from the drop-down list select up to 4 different call failure reasons that invoke an alternative tel to ip routing. 4 click submit to save your changes. 5 to save the changes so they are available after a power fail, savi...

  • Page 128

    128 3com ® vcx v7111 voip gateway user guide coder group settings use the coder group settings screen to define up to four different coder groups. These coder groups are used in the tel and ip profile settings screens to assign different coders to profiles. For each group you can define the first to...

  • Page 129

    3com ® vcx v7111 voip gateway user guide 129 10 click submit to save your changes. 11 to save the changes so they are available after a power fail, see saving configuration . Each coder can appear only once. If not specified, the ptime gets a default value. The ptime specifies the packetization time...

  • Page 130

    130 3com ® vcx v7111 voip gateway user guide figure 43 tel profile settings screen 2 from the profile id drop-down list, select the tel profile you want to edit (up to four tel profiles can be configured). 3 in the profile name field, enter a name that enables you to identify the profile intuitively...

  • Page 131

    3com ® vcx v7111 voip gateway user guide 131 if the coder lists of both ip and tel profiles apply to the same call, an intersection of the coders is performed (that is, only common coders remain). The order of the coders is determined by the preference. 5 configure the profiles parameters according ...

  • Page 132

    132 3com ® vcx v7111 voip gateway user guide figure 44 ip profile settings screen 2 from the profile id drop-down list, select the ip profile you want to edit (up to four ip profiles can be configured). 3 in the profile name field, enter a name that enables you to identify the profile intuitively an...

  • Page 133

    3com ® vcx v7111 voip gateway user guide 133 5 configure the profiles parameters according to your requirements. For detailed information on each parameter, see the description of the screen in which it is configured as an individual parameter. 6 from the coder group drop-down list, select the coder...

  • Page 134

    134 3com ® vcx v7111 voip gateway user guide figure 45 endpoint phone number table screen 2 configure the nndpoint phone numbers according to table 39 . You must enter a number in the phone number fields for each port that you want to use. 3 click submit to save your changes, or click register or un...

  • Page 135

    3com ® vcx v7111 voip gateway user guide 135 parameter description hunt group id in each of the hunt group id fields, enter the hunt group id (1-99) assigned to the channel(s). The same hunt group id can be used for more than one channel and in more than one field. The hunt group id is an optional f...

  • Page 136

    136 3com ® vcx v7111 voip gateway user guide to configure the hunt group settings table: 1 open the hunt group settings screen (protocolmanagement menu > huntgroup settings); the hunt group settings screen is displayed. Figure 46 hunt group settings screen 2 from the routing index drop-down list, se...

  • Page 137

    3com ® vcx v7111 voip gateway user guide 137 table 40 channel select modes mode description by dest phone number select the gateway port according to the called number (see the note below). Cyclic ascending select the next available channel in ascending cycle order. Always select the next higher cha...

  • Page 138

    138 3com ® vcx v7111 voip gateway user guide the gateways port numbers are defined in the endpoint phone numbers table under the phone number column. For detailed information on the endpoint phone numbers table, see configuring the endpoint phone numbers ). Configuring the endpoint settings the endp...

  • Page 139

    3com ® vcx v7111 voip gateway user guide 139 6 to save the changes, see saving configuration . Table 41 authentication ini file parameter parameter name in ini file parameter format authentication_x authentication_ = , for example: authentication_0 = david,14325 authentication_1 = alex,18552 using t...

  • Page 140

    140 3com ® vcx v7111 voip gateway user guide 5 click submit to save your changes. 6 to save the changes so they are available after a power fail, see saving configuration . After a ring signal is detected, on an enabled fxo port, the gateway initiates a call to the destination number without seizing...

  • Page 141

    3com ® vcx v7111 voip gateway user guide 141 figure 49 caller display information screen 2 in the caller id/name field, enter the caller id string. The caller id string can contain up to 18 characters. Note that when the fxs gateway receives private or anonymous strings in the from header, it does n...

  • Page 142

    142 3com ® vcx v7111 voip gateway user guide table 43 caller id ini file parameter parameter name in ini file parameter format callerdisplayinfox callerdisplayinfo = , 0 = not restricted (default). 1 = restricted. For example: callerdisplayinfo0 = susan c.,0 callerdisplayinfo2 = mark m.,1 the number...

  • Page 143

    3com ® vcx v7111 voip gateway user guide 143 3 repeat step 2 for each port. 4 click the submit button to save your changes. 5 to save the changes so they are available after a power fail, see saving configuration . Table 44 generate caller id to tel ini file parameter parameter name in ini file para...

  • Page 144

    144 3com ® vcx v7111 voip gateway user guide table 45 call forward table parameter description forward type deactivate [0] = don’t forward incoming calls (default). On busy [1] = forward incoming calls when the gateway port is busy. Unconditional [2] = forward any incoming call to the phone number s...

  • Page 145

    3com ® vcx v7111 voip gateway user guide 145 figure 52 radius parameters screen 2 configure the radius accounting parameters according to table 46 . 3 click submit to save your changes. 4 to save the changes so they are available after a power fail, see saving configuration . Table 46 radius paramet...

  • Page 146

    146 3com ® vcx v7111 voip gateway user guide figure 53 fxo settings screen 2 configure the fxo parameters according to table 47 . 3 click submit to save your changes. 4 to save the changes so they are available after a power fail, see saving configuration . Table 47 fxo parameters parameter descript...

  • Page 147

    3com ® vcx v7111 voip gateway user guide 147 parameter description waiting for dial tone [iswaitfordialtone] no [0] = do not wait for dial tone. Yes [1] = wait for dial tone (default). Used for ipÆv7111/fxo gateways, when one stage dialing is enabled. If wait for dial tone is enabled, the fxo gatewa...

  • Page 148

    148 3com ® vcx v7111 voip gateway user guide parameter description answer supervision [enablevoicedetection] yes [1] = fxo gateway sends 200 ok (to invite) messages when speech/fax/modem is detected. No [0] = 200 ok is sent immediately after the fxo gateway finishes dialing (default). Usually this f...

  • Page 149

    3com ® vcx v7111 voip gateway user guide 149 to configure the vm parameters: 1 open the voice mail screen (protocol management menu > fxosettings > voicemail option); the voice mail screen is displayed. Figure 54 voice mail screen 2 configure the voice mail parameters according to table 48 . 3 click...

  • Page 150

    150 3com ® vcx v7111 voip gateway user guide parameter description line transfer mode [linetransfermode] determines the transfer method used by the gateway. Disable [0] = ip (default). Blind transfer [1] = pbx blind transfer. In this mode, after receiving a refer message from the ip side, the fxo: s...

  • Page 151

    3com ® vcx v7111 voip gateway user guide 151 parameter description enable smdi [smdi] enables the simplified message desk interface (smdi) on the gateway. Disable [0] = normal serial (default). Enable [1] = enable rs-232 smdi interface. When the rs-232 connection is used for smdi messages (serial sm...

  • Page 152

    152 3com ® vcx v7111 voip gateway user guide ini file parameter name valid range and description enabledid enables japan ntt modem direct inward dialing (did) support. Fxs gateways can be connected to japans ntt pbx using modem did lines. These did lines are used to deliver a called number to the pb...

  • Page 153

    3com ® vcx v7111 voip gateway user guide 153 ini file parameter name valid range and description firstcallwaitingtoneid determines the index of the first call waiting tone in the cpt file. This feature enables the called party to distinguish between four different call origins (for example, external...

  • Page 154

    154 3com ® vcx v7111 voip gateway user guide ini file parameter name valid range and description currentdisconnectduration duration of the current disconnect pulse (in msec). The default is 900 msec, the range is 200 to 1500 msec. Applicable for both fxs and fxo gateways. The fxo gateways detection ...

  • Page 155

    3com ® vcx v7111 voip gateway user guide 155 ini file parameter name valid range and description railowthreshold low threshold (in percentage) that defines the gateways busy endpoints. The range is 0 to 100. The default value is 90%. When the percentage of the gateways busy endpoints falls below the...

  • Page 156

    156 3com ® vcx v7111 voip gateway user guide ini file parameter name valid range and description phonecontext defines the phone context table. When a call is received from the isdn, the npi and ton are compared against the table, and the phone-context value is used in the outgoing sip invite message...

  • Page 157

    3com ® vcx v7111 voip gateway user guide 157 ini file parameter name valid range and description serial parameters (applicable only to the vm smdi application) serialbaudrate determines the value of the rs-232 baud rate. The valid range is: any value. It is recommended to use the following standard ...

  • Page 158

    158 3com ® vcx v7111 voip gateway user guide figure 55 ip settings screen 2 configure the ip settings according to table 50. 3 click submit to save your changes. 4 to save the changes so they are available after a power fail, see saving configuration . Table 50 network settings, ip settings paramete...

  • Page 159

    3com ® vcx v7111 voip gateway user guide 159 parameter description subnet mask subnet mask of the gateway. Enter the subnet mask in dotted format notation, for example 255.255.0.0 a warning message is displayed (after pressing the button submit) if the entered value is incorrect. After changing the ...

  • Page 160

    160 3com ® vcx v7111 voip gateway user guide parameter description dns primary server ip [dnspriserverip] ip address of the primary dns server. Enter the ip address in dotted format notation, for example 10.8.2.255. To use fully qualified domain names (fqdn) in the tel to ip routing table, you must ...

  • Page 161

    3com ® vcx v7111 voip gateway user guide 161 parameter description media premium qos [premiumserviceclassmedia diffserv] sets the diffserv value for premium media service class content (only if ipdiffserv is not set in the selected ip profile). The valid range is 0 to 56. The default value is 46. Th...

  • Page 162

    162 3com ® vcx v7111 voip gateway user guide figure 56 application settings screen 2 configure the application settings according to table 51 . 3 click submit to save your changes. 4 to save the changes so they are available after a power fail, see saving configuration . Table 51 network settings, a...

  • Page 163

    3com ® vcx v7111 voip gateway user guide 163 parameter description telnet settings embedded telnet server [telnetserverenable] enables or disables the embedded telnet server. Telnet is disabled by default for security reasons. Disable [0] (default). Enable (unsecured) [1]. Enable secured (ssl) [2] =...

  • Page 164

    164 3com ® vcx v7111 voip gateway user guide note that an nfs file server can share multiple file systems. There must be a separate row for each remote file system shared by the nfs file server that needs to be accessed by the v7111. To configure the nfs settings parameters: 1 open the application s...

  • Page 165

    3com ® vcx v7111 voip gateway user guide 165 to modify an existing remote nfs file system: 1 click the edit radio button for the row to be modified. 2 change the values on the selected row according to your requirements. 3 click apply new settings; the remote nfs file system is mounted using the new...

  • Page 166

    166 3com ® vcx v7111 voip gateway user guide figure 58 nfs ini file example [ nfsservers ] format nfsservers_index = nfsservers_hostorip, nfsservers_rootpath, nfsservers_nfsversion, nfsservers_authtype, nfsservers_uid, nfsservers_gid, nfsservers_vlantype; nfsservers 1 = 101.1.13, /audio1, 3, 1, 0, 1...

  • Page 167

    3com ® vcx v7111 voip gateway user guide 167 table 53 ip routing table column description column name [ini file parameter name] description delete row to delete ip routing rules from the ip routing table, check the delete row checkbox in the rows of the routing rules you want to delete and click the...

  • Page 168

    168 3com ® vcx v7111 voip gateway user guide to configure the vlan settings parameters: 1 open the vlan settings screen (advanced configuration menu > network settings> vlan settings option); the vlan settings screen is displayed. Figure 60 vlan settings screen 2 configure the vlan settings accordin...

  • Page 169

    3com ® vcx v7111 voip gateway user guide 169 parameter description control vlan id [vlancontrolvlanid] sets the control vlan identifier. The valid range is 1 to 4094. The default value is 2. Media vlan id [vlanmediavlanid] sets the media vlan identifier. The valid range is 1 to 4094. The default val...

  • Page 170

    170 3com ® vcx v7111 voip gateway user guide ini file parameter name valid range and description pppoepassword password for pap or secret for chap authentication. The valid range is a string of up to 47 characters. The default value is 0. Pppoeservername server name for chap authentication. The vali...

  • Page 171

    3com ® vcx v7111 voip gateway user guide 171 ini file parameter name valid range and description disablenat enables / disables the network address translation (nat) mechanism. [0] = enabled. [1] = disabled (default). The compare operation that is performed on the ip address is enabled by default and...

  • Page 172

    172 3com ® vcx v7111 voip gateway user guide ini file parameter name valid range and description rtpnoopinterval this parameter is now obsolete. Please use the parameter noopinterval. Rtpnooppayloadtype determines the payload type of no-op packets. The valid range is 96 to 127. The default value is ...

  • Page 173

    3com ® vcx v7111 voip gateway user guide 173 figure 61 voice settings screen 2 configure the voice settings according to table 56 . 3 click submit to save your changes. 4 to save the changes so they are available after a power fail, see saving configuration . Table 56 media settings, voice settings ...

  • Page 174

    174 3com ® vcx v7111 voip gateway user guide parameter description echo canceler [enableechocanceller] the parameter is used to maintain backward compatibility. Off [0] = echo canceler disabled. On [1] = echo canceler enabled (default). Dtmf transport type [dtmftransporttype] dtmf mute [0] = erase d...

  • Page 175

    3com ® vcx v7111 voip gateway user guide 175 configuring the fax / modem / cid settings to configure the fax / modem / cid settings parameters: 1 open the fax / modem / cid settings screen (advanced configuration menu > media settings > fax / modem / cid settings option); the fax / modem / cid setti...

  • Page 176

    176 3com ® vcx v7111 voip gateway user guide table 57 media settings, fax/modem/cid parameters parameter description fax transport mode [faxtransportmode] fax transport mode that the gateway uses. You can select: disable [0] (transparent mode). T.38 relay [1] (default). Bypass [2]. Events only [3]. ...

  • Page 177

    3com ® vcx v7111 voip gateway user guide 177 parameter description v.23 modem transport type [v23modemtransporttype] v.23 modem transport type that the gateway uses. You can select: 0 = disable (transparent) [1] = enable relay -- n/a [2] = enable bypass -- default [3] = events only (transparent with...

  • Page 178

    178 3com ® vcx v7111 voip gateway user guide parameter description fax/modem bypass coder type [faxmodembypasscodertype] coder the gateway uses when performing fax/modem bypass. Usually, high-bit-rate coders such as g.711 should be used. You can select: g.711 a-law 64 [0] (default). G.711 μ-law [1]....

  • Page 179

    3com ® vcx v7111 voip gateway user guide 179 figure 63 rtp / rtcp settings screen 2 configure the rtp / rtcp settings according to table 58 . 3 click submit to save your changes. 4 to save the changes so they are available after a power fail, see saving configuration . Table 58 media settings, rtp /...

  • Page 180

    180 3com ® vcx v7111 voip gateway user guide parameter description dynamic jitter buffer optimization factor [djbufoptfactor] dynamic jitter buffer frame error / delay optimization factor. The valid range is 0 to 13. The default factor is 10. Set to 13 for data (fax & modem) calls. For more informat...

  • Page 181

    3com ® vcx v7111 voip gateway user guide 181 parameter description rtp base udp port [baseudpport] lower boundary of udp port used for rtp, rtcp (real-time control protocol) (rtp port + 1) and t.38 (rtp port + 2). The upper boundary is the base udp port + 10 * (number of gateways channels). The rang...

  • Page 182

    182 3com ® vcx v7111 voip gateway user guide parameter description comfort noise generation negotiation [comfortnoisenegotiation] enables negotiation and usage of comfort noise (cn). Valid options include: [0] = disable (default) [1] = enable comfort noise negotiation the use of cn is indicated by i...

  • Page 183

    3com ® vcx v7111 voip gateway user guide 183 parameter description max. Flash-hook detection period [msec] [flashhookperiod] defines the flash-hook period (in msec) for both analog and ip sides. For the analog side it defines: - the maximal hook-flash detection period (for fxs gateways). A longer si...

  • Page 184

    184 3com ® vcx v7111 voip gateway user guide parameter description enable continuity tones n/a. Media settings ini file parameters table 61 describes the media settings parameters that can only be configured using the ini file. Table 61 media settings, ini file parameters ini file parameter name val...

  • Page 185

    3com ® vcx v7111 voip gateway user guide 185 ini file parameter name valid range and description faxmodembypassbasicrtppa cketinterval determines the basic frame size that is used during fax / modem bypass sessions. [0] = set internally (default) [1] = 5 msec [2] = 10 msec [3] = 20 msec when set for...

  • Page 186

    186 3com ® vcx v7111 voip gateway user guide ini file parameter name valid range and description txdtmfhangovertime defines the voice silence time (in msec units) after detecting the end of dtmf or mf digits at the tel / pstn side when the dtmf transport type is either relay or mute. The valid range...

  • Page 187

    3com ® vcx v7111 voip gateway user guide 187 to back up the ini file: 1 click get ini file; the file download window opens. 2 click save; the save as window opens. 3 navigate to the folder where you want to save the ini file. 4 click save; the voip gateway copies the ini file into the folder you sel...

  • Page 188

    188 3com ® vcx v7111 voip gateway user guide figure 67 regional settings screen 2 enter the time and date where the gateway is installed. 3 click set date & time; the date and time are automatically updated. After performing a hardware reset, the date and time are returned to their defaults and shou...

  • Page 189

    3com ® vcx v7111 voip gateway user guide 189 saving a configuration file to flash memory may disrupt traffic on the v7111. To avoid this, disable all traffic on the device before saving to flash memory by performing a graceful lock (see locking and unlocking the gateway ). A device reset is required...

  • Page 190

    190 3com ® vcx v7111 voip gateway user guide figure 68 web user accounts screen (for users with security administrator privileges) 2 to change the access level of the secondary account (the access level of the primary account cannot be changed), in the access level drop-down list, select the new acc...

  • Page 191

    3com ® vcx v7111 voip gateway user guide 191 configuring the web and telnet access list use this screen to define up to ten ip addresses that are permitted to access the gateways web and telnet interfaces. Access from an undefined ip address is denied. This security feature is inactive (the gateway ...

  • Page 192

    192 3com ® vcx v7111 voip gateway user guide table 62 web & telnet access list ini file parameter parameter name in ini file parameter format webaccesslist_x webaccesslist_0 = 10.13.2.66 webaccesslist_1 = 10.13.77.7 the default value is 0.0.0.0 (the gateway can be accessed from any ip address). This...

  • Page 193

    3com ® vcx v7111 voip gateway user guide 193 to edit a rule: 1 select the radio button of the entry you want to edit. 2 click make rule editable; the rules fields can now be modified. 3 modify the fields according to your requirements. 4 click apply rule settings to save the changes. 5 to save the c...

  • Page 194

    194 3com ® vcx v7111 voip gateway user guide parameter description protocol [accesslist_protocol] the protocol type (for example, udp, tcp, icmp, esp or any), or the iana protocol number (in the range of 0 (any) to 255). The protocol field also accepts the abbreviated strings sip, mgcp, megaco and h...

  • Page 195

    3com ® vcx v7111 voip gateway user guide 195 figure 71 general security settings screen 2 configure the general security settings according to table 64 . 3 click submit to save your changes. 4 to save the changes so they are available after a power fail, see saving configuration . Table 64 security ...

  • Page 196

    196 3com ® vcx v7111 voip gateway user guide parameter description http authentication mode [webauthmode] determines the authentication mode for the embedded web server. Basic [0] = basic authentication (clear text) is used (default). Digest when possible [1] = digest authentication (md5) is used. B...

  • Page 197

    3com ® vcx v7111 voip gateway user guide 197 parameter description device behavior upon radius timeout [behavioruponradiustimeout] defines the gateways operation if a response is not received from the radius server after the 5 seconds timeout expires: deny access [0] = the gateway denies access to t...

  • Page 198

    198 3com ® vcx v7111 voip gateway user guide parameter description enable ip security [enableipsec] enables / disables the secure internet protocol (ipsec) on the gateway. Disable [0] = ipsec is disabled (default). Enable [1] = ipsec is enabled. Configuring the ipsec table use the ipsec table screen...

  • Page 199

    3com ® vcx v7111 voip gateway user guide 199 figure 72 management settings screen 2 configure the management settings according to table 65 . 3 click submit to save your changes. 4 to save the changes so they are available after a power fail, saving configuration . Table 65 management settings param...

  • Page 200

    200 3com ® vcx v7111 voip gateway user guide parameter description enable syslog [enablesyslog] enable [1] = send the logs and error message generated by the gateway to the syslog server. If you select enable, you must enter an ip address in the syslog server ip address field. Disable [0] = logs and...

  • Page 201

    3com ® vcx v7111 voip gateway user guide 201 parameter description access to restricted domains [activitylisttolog = ard] access to restricted domains. The following screens are restricted: (1) ini parameters (adminpage) (2) general security settings (3) configuration file (4) ipsec/ike tables (5) s...

  • Page 202

    202 3com ® vcx v7111 voip gateway user guide if you clear a checkbox and click submit, all settings in the same row revert to their defaults. Table 66 snmp managers table parameters parameter description checkbox [snmpmanagerisused_x] up to five parameters, each determines the validity of the parame...

  • Page 203

    3com ® vcx v7111 voip gateway user guide 203 figure 74 snmp community strings screen to delete a community string, check the delete checkbox to the left of the community string you want to delete and click submit. Table 67 snmp community strings parameters parameter description read only [snmpreadon...

  • Page 204

    204 3com ® vcx v7111 voip gateway user guide 4 click apply row settings to save your changes. 5 to save the changes so they are available after a power fail, see saving configuration . Figure 75 snmp v3 setting screen to delete an snmp v3 user, select the index radio button corresponding to the snmp...

  • Page 205

    3com ® vcx v7111 voip gateway user guide 205 table 69 board, ini file parameters ini file parameter name valid range and description lifelinetype the lifeline is activated on: 0 = power down (default) 1 = power down or when link is down (physical disconnect) 2 = power down or when link is down or on...

  • Page 206

    206 3com ® vcx v7111 voip gateway user guide ini file parameter name valid range and description heartbeatdestport destination udp port to which the heartbeat packets are sent. The range is 0 to 64000. The default is 0. Heartbeatintervalmsec delay (in msec) between consecutive heartbeat packets. 10 ...

  • Page 207

    3com ® vcx v7111 voip gateway user guide 207 ini file parameter name valid range and description this parameter is used to : this parameter only takes effect from the next reset of the gateway. Bootpretries set the number of bootp requests the gateway sends during start-up. The gateway stops sending...

  • Page 208

    208 3com ® vcx v7111 voip gateway user guide ini file parameter name valid range and description extbootpreqenable 0 = disable (default). 1 = enable extended information to be sent in bootp request. If enabled, the device uses the vendor specific information field in the bootp request to provide dev...

  • Page 209

    3com ® vcx v7111 voip gateway user guide 209 ini file parameter name description cptfileurl specifies the name of the cpt file and the location of the server (ip address or fqdn) from which it is loaded. Http://server_name/file, https://server_name/file . The maximum length of the url address is 99 ...

  • Page 210

    210 3com ® vcx v7111 voip gateway user guide snmptrustedmgr_x up to five ip addresses of remote trusted snmp managers from which the snmp agent accepts and processes get and set requests. If no values are assigned to these parameters any manager can access the device. Trusted managers can work with ...

  • Page 211

    3com ® vcx v7111 voip gateway user guide 211 figure 76 ip connectivity screen.

  • Page 212

    212 3com ® vcx v7111 voip gateway user guide table 72 ip connectivity parameters column name description ip address ip address defined in the destination ip address field in the tel to ip routing table. Or ip address that is resolved from the host name defined in the destination ip address field in ...

  • Page 213

    3com ® vcx v7111 voip gateway user guide 213 call counters the call counters screens provide you with statistic information on incoming (ipÆtel) and outgoing (telÆip) calls. The statistic information is updated according to the release reason that is received after a call is terminated (during the s...

  • Page 214

    214 3com ® vcx v7111 voip gateway user guide table 73 call counters description counter description number of attempted calls this counter indicates the number of attempted calls. It is composed of established and failed calls. The number of established calls is represented by the number of establis...

  • Page 215

    3com ® vcx v7111 voip gateway user guide 215 counter description attempted fax calls counter this counter indicates the number of attempted fax calls. Successful fax calls counter this counter indicates the number of successful fax calls. Call routing status the call routing status screen provides y...

  • Page 216

    216 3com ® vcx v7111 voip gateway user guide see the debug level parameter gwdebuglevel(described in table 23 ) to determine the syslog logging level. To activate the message log: 1 in the general parameters screen under advanced parameters submenu (accessed from the protocol management menu), set t...

  • Page 217

    3com ® vcx v7111 voip gateway user guide 217 figure 80 device information screen to delete any of the loaded files: 1 click delete to the right of the files you want to delete. Deleting a file takes effect only after the v7111 is reset. 2 click maintenanceon the main menu bar; the maintenance action...

  • Page 218

    218 3com ® vcx v7111 voip gateway user guide figure 81 ethernet port information screen table 75 ethernet port information parameters parameter description port 1 duplex mode shows the duplex mode the ethernet port is using (half duplex or full duplex). Port 1 speed shows the speed, in mbps, that th...

  • Page 219

    3com ® vcx v7111 voip gateway user guide 219 figure 82 channel status screen the color of each channel shows the call status of that channel. See table 76 for information on the different statuses a call can have. Table 76 channel status color indicators indicator label description inactive indicate...

  • Page 220

    220 3com ® vcx v7111 voip gateway user guide to monitor the details of a specific channel, take these 3 steps: 1 click the numbered port icon of the specific channel whose detailed status you need to check/monitor; a shortcut menu appears. 2 from the shortcut menu, choose port settings; the channel-...

  • Page 221

    3com ® vcx v7111 voip gateway user guide 221 resetting a channel the channel status screen allows you to inactivate (reset) a channel. This is sometimes useful in cases, for example, when the gateway (fxo) is connected to a pbx and the communication between the two can't be disconnected (for example...

  • Page 222

    222 3com ® vcx v7111 voip gateway user guide to use the software upgrade wizard: 1 stop all traffic on the v7111 gateway (see the note above). 2 open the software upgrade wizard (softwareupdate menu > softwareupgrade wizard); the start software upgrade screen appears. Figure 84 start software upgrad...

  • Page 223

    3com ® vcx v7111 voip gateway user guide 223 figure 85 load a cmp file screen 4 click the browse button, navigate to the cmp file and click the button send file; the cmp file is loaded to the v7111 and you are notified as to a successful loading. Figure 86 cmp file successfully loaded into the v7111...

  • Page 224

    224 3com ® vcx v7111 voip gateway user guide click next; the load an ini file screen opens; see figure 87 . Loading a new ini file or any other auxiliary file listed in the wizard is optional. Note that as you progress, the file type list on the left indicates which file type loading is in process b...

  • Page 225

    3com ® vcx v7111 voip gateway user guide 225 figure 88 load a cpt file screen 9 follow the same procedure you followed when loading the ini file (see step 7 ). The same procedure applies to the load a coefficient file screen. 10 in the finish screen (see figure 89 ), the next button is disabled. Com...

  • Page 226

    226 3com ® vcx v7111 voip gateway user guide figure 90 end process screen 11 click the end process button; the quick setup screen appears and the full web application is reactivated. Auxiliary files the auxiliary files screen enables you to load to the gateway the following files: call progress tone...

  • Page 227

    3com ® vcx v7111 voip gateway user guide 227 to load an auxiliary file to the gateway: 1 open the auxiliary files screen (softwareupgrade menu > loadauxiliaryfiles); the auxiliary files screen is displayed. 2 click the browse button that is in the field for the type of file you want to load. 3 navig...

  • Page 228

    228 3com ® vcx v7111 voip gateway user guide figure 91 auxiliary files screen loading the auxiliary files using the ini file to load the auxiliary files using the ini file: 1 in the ini file, define the auxiliary files to be loaded to the v7111 gateway. You can also define in the ini file whether th...

  • Page 229

    3com ® vcx v7111 voip gateway user guide 229 ini file parameter name description prerecordedtonesfilename the name (and path) of the file containing the prerecorded tones. Userinfofilename the name (and path) of the file containing the user information data. Saveconfiguration determines if the gatew...

  • Page 230

    230 3com ® vcx v7111 voip gateway user guide figure 92 maintenance actions screen 2 under the lock / unlock group, from the 'graceful option' drop-down list, select one of the following options: yes: the gateway is 'locked' only after the user-defined time in the lock timeout field (refer to step 3)...

  • Page 231

    3com ® vcx v7111 voip gateway user guide 231 4 click the lock button. If graceful option is set to yes, the lock is delayed and a screen displaying the number of remaining calls and time is displayed. Otherwise, the lock process begins immediately. The current admin state displays the current state:...

  • Page 232

    232 3com ® vcx v7111 voip gateway user guide figure 93 maintenance actions screen 2 click the burn; a confirmation message appears when the save is completed successfully. Resetting the v7111 gateway the maintenance actions screen enables you to remotely reset the gateway. Before you reset the gatew...

  • Page 233

    3com ® vcx v7111 voip gateway user guide 233 figure 94 maintenance actions screen 2 under the reset group, from the 'burn to flash' drop-down list, select one of the following options: yes: the gateway's current configuration is burned (that is, saved) to the flash memory prior to reset (default). N...

  • Page 234

    234 3com ® vcx v7111 voip gateway user guide logging off the embedded web server the log off button enables you to log off the embedded web server and to re-access it with a different account. For detailed information on the web user accounts, see user accounts . To log off the embedded web server: ...

  • Page 235

    3com ® vcx v7111 voip gateway user guide 235 readers notes.

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    236 3com ® vcx v7111 voip gateway user guide.

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    3com ® vcx v7111 voip gateway user guide 237 c hapter 6: ini f ile c onfiguration of the v7111 g ateway as an alternative to configuring the voip gateway using the web interface (see chapter 5: web management ), it can be configured by loading the ini file containing customer- configured parameters....

  • Page 238

    238 3com ® vcx v7111 voip gateway user guide modifying an ini file to modify the ini file: 1 get the ini file from the gateway using the embedded web server (see restoring and backing up the gateway configuration ). 2 open the file (the file is open in notepad or a customer-defined text file editor)...

  • Page 239

    3com ® vcx v7111 voip gateway user guide 239 syntax errors in the parameter value field can cause unexpected errors (because parameters may be set to the wrong values). Sub-section names are optional. String parameters, representing file names, for example callprogresstonesfilename, must be placed b...

  • Page 240

    240 3com ® vcx v7111 voip gateway user guide readers notes.

  • Page 241: Hapter

    3com ® vcx v7111 voip gateway user guide 241 c hapter 7: u sing b oot p / dhcp the v7111 gateway uses the bootstrap protocol (bootp) and the dynamic host configuration protocol (dhcp) to obtain its networking parameters and configuration automatically after it is reset. Bootp and dhcp are also used ...

  • Page 242

    242 3com ® vcx v7111 voip gateway user guide using dhcp when the gateway is configured to use dhcp (dhcpenable = 1), it attempts to contact the local dhcp server to obtain the networking parameters (ip address, subnet mask, default gateway, primary/secondary dns server and two sip server addresses)....

  • Page 243

    3com ® vcx v7111 voip gateway user guide 243 using bootp upgrading the v7111 gateway when upgrading the v7111 gateway (loading new software onto the gateway) using the bootp/tftp configuration utility: from version 4.4 to version 4.4 or to any higher version, the device retains its configuration (in...

  • Page 244

    244 3com ® vcx v7111 voip gateway user guide tag # description value length 225 chassis geographical address 0 – 31 1 228 indoor / outdoor (indoor is valid only for fxs. Fxo is always outdoor.) #0 = indoor #1 = outdoor 1 229 e&m n/a 1 230 analog channels 2 / 4 / 8 / 24 1 table 80 exemplifies the str...

  • Page 245

    3com ® vcx v7111 voip gateway user guide 245 readers notes.

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    246 3com ® vcx v7111 voip gateway user guide.

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    3com ® vcx v7111 voip gateway user guide 247 c hapter 8: t elephony c apabilities working with supplementary services the v7111 sip fxs and fxo gateways support the following supplementary services: call hold / retrieve; see call hold and retrieve . Consultation / alternate; see consultation / alter...

  • Page 248

    248 3com ® vcx v7111 voip gateway user guide receiving hold / retrieve when an active call receives reinvite message with either the ip address 0.0.0.0 or the inactive string in sdp, the gateway stops sending rtp and plays a local held tone. When an active call receives reinvite message with sendonl...

  • Page 249

    3com ® vcx v7111 voip gateway user guide 249 the transfer can be initiated at any of the following stages of the call between a to c: just after completing dialing c phone number – transfer from setup while hearing ringback – transfer from alert while speaking to c – transfer from active blind trans...

  • Page 250

    250 3com ® vcx v7111 voip gateway user guide note the following sip issues: initiating forward – when forward is initiated, the gateway sends a 302 response with a contact that contains the phone number from the forward table and its corresponding ip address from the routing table (or, when proxy is...

  • Page 251

    3com ® vcx v7111 voip gateway user guide 251 the mwi lamp is configured, the phones lamp (on a phone that is equipped with an mwi lamp) is lit. The gateway can subscribe to the mwi server per port (usually used on fxs) or per gateway (used on fxo). To configure mwi set the following parameters: enab...

  • Page 252

    252 3com ® vcx v7111 voip gateway user guide the rfc 2833 payload type using local and remote sdp and sends packets using the pt from the received sdp. The gateway expects to receive rfc 2833 packets with the same pt as configured by the rfc2833payloadtype parameter. If the remote side does not incl...

  • Page 253

    3com ® vcx v7111 voip gateway user guide 253 configuring fax relay mode when faxtransportmode = 1 (relay mode), then on detection of fax the channel automatically switches from the current voice coder to answer tone mode, and then to t.38- compliant fax relay mode. When fax transmission has ended, t...

  • Page 254

    254 3com ® vcx v7111 voip gateway user guide faxtransportmode = 2 (bypass) v34modemtransporttype = 2 (modem bypass) v32modemtransporttype = 2 v23modemtransporttype = 2 v22modemtransporttype = 2 in this configuration, both t.30 and v.34 faxes work in bypass mode. Or faxtransportmode = 1 (relay) v34mo...

  • Page 255

    3com ® vcx v7111 voip gateway user guide 255 is supported and associated rtp payload types ('gpmd' sdp attribute), supported codecs, and packetization periods for all codec payload types ('ptime' sdp attribute). After this initial negotiation, no re-invite messages are necessary as both endpoints ar...

  • Page 256

    256 3com ® vcx v7111 voip gateway user guide did wink one-stage dialing one-stage dialing is when the fxo gateway receives an ip-to-tel call, off-hooks the pbx line connected to the telephone, and then immediately dials the destination telephone number. In other words, the ip caller doesn't dial the...

  • Page 257

    3com ® vcx v7111 voip gateway user guide 257 one -stage dialing incorporates the following fxo functionality: waiting for dial tone the waiting for dial tone feature enables the gateway to dial the digits to the tel side only after detecting a dial tone from the pbx line. The ini file parameter iswa...

  • Page 258

    258 3com ® vcx v7111 voip gateway user guide figure 99 call flow for two-stage dialing two-stage dialing implements the dialing time feature. Dialing time allows you to define the time that each digit can be separately dialed. By default, the overall dialing time per digit is 200 msec. The longer th...

  • Page 259

    3com ® vcx v7111 voip gateway user guide 259 relevant parameters: enablereversalpolarity, enablecurrentdisconnect, currentdisconnectduration, currentdisconnectdefaultthreshold, and timetosampleanaloglinevoltage. Detection of reorder / busy / dial tones the call is immediately disconnected after reor...

  • Page 260

    260 3com ® vcx v7111 voip gateway user guide interruption of rtp stream relevant parameters: brokenconnectioneventtimeout and disconnectonbrokenconnection. This method operates correctly only if silence suppression is not used. Protocol-based termination of the call from the ip side the implemented ...

  • Page 261

    3com ® vcx v7111 voip gateway user guide 261 automatic dialing automatic dialing is defined using the ini file parameter targetofchannelx (where 'x' is the channel number) or the embedded web server's 'automatic dialing' screen (see automatic dialing ). The sip call flow diagram below illustrates au...

  • Page 262

    262 3com ® vcx v7111 voip gateway user guide collecting digits mode when automatic dialing is not defined, the gateway collects the digits. The sip call flow diagram below illustrates the collecting digits mode. Figure 101 call flow for collecting digits mode ring detection timeout the ini file para...

  • Page 263

    3com ® vcx v7111 voip gateway user guide 263 if the fxo receives a hook-flash from the ip side (using out-of-band or rfc 2833), the gateway sends the hook-flash to the tel side by one of the following: performing a hook flash (i.E., on-hook and off-hook) sending a hook-flash code (defined by the ini...

  • Page 264

    264 3com ® vcx v7111 voip gateway user guide in throughpacket™ mode, the gateway uses a single udp port for all incoming multiplexed packets and a different port for outgoing packets. These ports are configured using the parameters l1l1complextxudpport and l1l1complexrxudpport. When throughpacket™ i...

  • Page 265

    3com ® vcx v7111 voip gateway user guide 265 one of the purposes of the jitter buffer mechanism is to compensate for clock drift. If the two sides of the voip call are not synchronized to the same clock source, one rtp source generates packets at a lower rate, causing under-runs at the remote jitter...

  • Page 266

    266 3com ® vcx v7111 voip gateway user guide separately quantified and compared to a certain (configurable) threshold. If the calculated amounts (of delay or packet loss) exceed these thresholds the ip connection is disallowed. Dns resolution: when host name is used (instead of ip address) for the d...

  • Page 267

    3com ® vcx v7111 voip gateway user guide 267 table 81 supported cdr fields field name description cid port number callid h.323/sip call identifier trunk n/a bchan n/a conid h.323/sip conference id tg trunk group number eptyp endpoint type orig call originator (ip, tel) sourceip source ip address des...

  • Page 268

    268 3com ® vcx v7111 voip gateway user guide field name description packloss number of incoming lost packets uniqueid unique rtp id setuptime call setup time connecttime call connect time releasetime call release time rtpdelay rtp delay rtpjitter rtp jitter rtpssrc local rtp ssrc remotertpssrc remot...

  • Page 269

    3com ® vcx v7111 voip gateway user guide 269 attribute number attribute name vsa no. Purpose value format sample aaa 1 incoming- conf-id octets stop acc 26 h323-remote- address 23 ip address of the remote gateway numeric stop acc 26 h323-conf-id 24 h.323/sip call identifier up to 32 octets start acc...

  • Page 270

    270 3com ® vcx v7111 voip gateway user guide attribute number attribute name vsa no. Purpose value format sample aaa 1 id identifier - match start & stop stop acc 46 acct-session- time for how many seconds the user received the service numeric stop acc 47 acct-input- packets number of packets receiv...

  • Page 271

    3com ® vcx v7111 voip gateway user guide 271 proxy or registrar registration example the register message is sent to the registrars ip address (if configured) or to the proxy’s ip address. The message is sent per gateway or per gateway endpoint according to the authenticationmode parameter. Usually ...

  • Page 272

    272 3com ® vcx v7111 voip gateway user guide in the following example, the ip address of the first gateway is 10.2.37.10 and its endpoint numbers are 101 to 108. The ip address of the second gateway is 10.2.37.20 and its endpoint numbers are 201 to 208. In this example, a sip proxy is not used. Inte...

  • Page 273

    3com ® vcx v7111 voip gateway user guide 273 figure 103 sip call flow invite f1 200 ok f3 ringing f2 ack f4 bye f5 200 ok f6 10.8.201.158 10.8.201.161 f1 10.8.201.158 ==> 10.8.201.161 invite invite sip:6000@10.8.201.161;user=phone sip/2.0 via: sip/2.0/udp 10.8.201.158;branch=z9hg4bkacolwbzyf from:.

  • Page 274

    274 3com ® vcx v7111 voip gateway user guide f3 10.8.201.161 ==> 10.8.201.158 200 ok sip/2.0 200 ok sip/2.0 200 ok via: sip/2.0/udp 10.8.201.158;branch=z9hg4bkacolwbzyf from:.

  • Page 275

    3com ® vcx v7111 voip gateway user guide 275 sip authentication example v7111 gateways support basic and digest (md5) authentication types, according to sip rfc 3261 standard. A proxy server might require authentication before forwarding an invite message. A registrar/proxy server may also require a...

  • Page 276

    276 3com ® vcx v7111 voip gateway user guide 122:3com.Com:3com. The md5 algorithm is run on this equation and stored for future usage. The result is: a8f17d4b41ab8dab6c95d3c14e34a9e1 next we need to evaluate the par called a2. We take: the method type register using sip protocol sip proxy ip from in...

  • Page 277

    3com ® vcx v7111 voip gateway user guide 277 authorization: digest, username: 122, realm="3com.Com”, nonce="11432d6bce58ddf02e3b5e1c77c010d2", uri=”10.2.2.222”, response=“b9c45d0234a5abf5ddf5c704029b38cf” on receiving this request, if accepted by the proxy, the proxy returns a 200 ok response closin...

  • Page 278

    278 3com ® vcx v7111 voip gateway user guide figure 104 v7111 fxs & fxo remote ip extension dialing from remote extension (phone connected to fxs) to configure the call: 1 lift the handset to hear the dial tone coming from pbx, as if the phone was connected directly to pbx. 2 fxs and fxo v7111 gatew...

  • Page 279

    3com ® vcx v7111 voip gateway user guide 279 2 when the pbx rings the fxo v7111 gateway, the ring signal is immediately “sent” to the phone connected to the fxs v7111 gateway. 3 once the phones handset, connected to the fxs v7111 gateway, is raised, the fxo v7111 gateway seizes the pbx line and the ...

  • Page 280

    280 3com ® vcx v7111 voip gateway user guide fxo v7111 configuration (using the embedded web server) to configure the fxo v7111: 1 in the endpoint phone numbers screen, assign the phone numbers 200 to 207 for the gateways endpoints. 2 in the automatic dialing screen, enter the phone numbers of the f...

  • Page 281

    3com ® vcx v7111 voip gateway user guide 281 readers notes.

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    282 3com ® vcx v7111 voip gateway user guide.

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    3com ® vcx v7111 voip gateway user guide 283 c hapter 9: n etworking c apabilities ethernet interface configuration using the parameter ethernetphyconfiguration, users can control the ethernet connection mode. Either the manual modes (10 base-t half-duplex, 10 base-t full-duplex, 100 base-tx half- d...

  • Page 284

    284 3com ® vcx v7111 voip gateway user guide figure 105 nat functioning the way sip is designed creates a problem for voip traffic to pass through nat. Sip uses ip addresses and port numbers in its message body. The nat server cannot modify sip messages and therefore, cannot change local to global a...

  • Page 285

    3com ® vcx v7111 voip gateway user guide 285 on startup the gateway sends a stun binding request. The information received in the stun binding response (ip address:port) is used for sip signaling. This information is updated every natbindingdefaulttimeout. At the beginning of each call, if stun is n...

  • Page 286

    286 3com ® vcx v7111 voip gateway user guide no-op packets the gateway's no-op packet support can be used to verify real-time transport protocol (rtp) and t.38 connectivity, and to keep nat bindings and firewall pinholes open. No-op packets are available for sending in rtp and t.38 formats. Users ca...

  • Page 287

    3com ® vcx v7111 voip gateway user guide 287 at the initial phase, the hosts use lcp (link configuration protocol) to negotiate for link characteristic and parameters. Packets sent in this phase have two octets of ppp header followed by lcp message with variable length. Various parameters and option...

  • Page 288

    288 3com ® vcx v7111 voip gateway user guide standard describes a discovery protocol that provides this. A pppoe session begins with a discovery phase. Only after this discovery is completed can the ppp state machine start (with lcp, authentication etc, as described above). Each of the ethernet fram...

  • Page 289

    3com ® vcx v7111 voip gateway user guide 289 the gateway that if the pppoe is disabled and no bootp server is activated, as required in the gateway to use a pppoe environment, then the gateway should use these defaults for its ip configuration. For a detailed description of the ini file parameters f...

  • Page 290

    290 3com ® vcx v7111 voip gateway user guide simple network time protocol support simple network time protocol (sntp) client functionality generates requests and reacts to the resulting responses using the ntp version 3 protocol definitions (according to rfc 1305). Through these requests and respons...

  • Page 291

    3com ® vcx v7111 voip gateway user guide 291 vlans and multiple ips multiple ips media, control and management (oam) traffic in the gateway can be assigned one of the following ip addressing schemes: single ip address for all traffic (that is, media, control, and oam). Separate ip address for each t...

  • Page 292

    292 3com ® vcx v7111 voip gateway user guide traffic type tagging can be used to implement layer 2 vlan security. By discriminating traffic into separate and independent domains, the information is preserved within the vlan. Incoming packets received from an incorrect vlan are discarded. For the map...

  • Page 293

    3com ® vcx v7111 voip gateway user guide 293 application traffic / network types class-of-service (priority) syslog management bronze icmp management determined by the initiator of the request arp listener determined by the initiator of the request network snmp traps management bronze dns client ena...

  • Page 294

    294 3com ® vcx v7111 voip gateway user guide table 84 example of vlan and multiple ips configuration network type ip address subnet mask default gateway ip address vlan id external routing rule oam 10.31.174.50 255.255.0.0 0.0.0.0 4 83.4.87.X control 10.32.174.50 255.255.0.0 0.0.0.0 5 130.33.4.6 med...

  • Page 295

    3com ® vcx v7111 voip gateway user guide 295 4 configure the multiple ip parameters by completing the following steps: open the ip settings screen (advanced configuration menu > network settings> ip settings option); the ip settings screen is displayed. Modify the ip parameters to correspond to the ...

  • Page 296

    296 3com ® vcx v7111 voip gateway user guide figure 108 example of the ip routing table screen use the add a new table entry pane to add the routing rules shown in table 85 . Table 85 example of ip routing table configuration destination ip address destination mask gateway ip address hop count netwo...

  • Page 297

    3com ® vcx v7111 voip gateway user guide 297 figure 109 example of vlan and multiple ips ini file parameters ; vlan configuration vlanmode=1 vlanoamvlanid=4 vlannativevlanid=4 vlancontrolvlanid=5 vlanmediavlanid=6 ; multiple ips configuration enablemultipleips=1 localmediaipaddress=10.33.174.50 loca...

  • Page 298

    298 3com ® vcx v7111 voip gateway user guide readers notes.

  • Page 299: Hapter

    3com ® vcx v7111 voip gateway user guide 299 c hapter 10: a dvanced s ystem c apabilities restoring networking parameters to their initial state you can use the reset button to restore the v7111 gateway networking parameters to their factory default values (described in table 14 ) and to reset the u...

  • Page 300

    300 3com ® vcx v7111 voip gateway user guide establishing a serial communications link with the v7111 gateway use serial communication software (for example, hyperterminal tm ) to establish a serial communications link with the v7111 gateway using the rs-232 connection. You can use this link to chan...

  • Page 301

    3com ® vcx v7111 voip gateway user guide 301 automatic update mechanism the v7111 gateway is capable of automatically updating its cmp, ini and configuration files. These files can be stored on any standard web, ftp or nfs server/s and can be loaded periodically to the gateway using http, https, ftp...

  • Page 302

    302 3com ® vcx v7111 voip gateway user guide updated only once. To update a previously-loaded auxiliary file, you must update the parameter containing its url. To load different configurations (ini files) for specific gateways, add the string to the url. This mnemonic is replaced with the v7111 hard...

  • Page 303

    3com ® vcx v7111 voip gateway user guide 303 nfsservers 2 = 192.168.100.7, /d/shared, 2 ; [ fsservers ] cptfileurl = 'file://10.31.2.10/usr/share/public/usa_tones.Dat' vpfileurl = 'file://192.168.100.7/d/shared/3com/voiceprompt.Dat' startup process the startup process (illustrated in figure 112 ) ...

  • Page 304

    304 3com ® vcx v7111 voip gateway user guide figure 112 v7111 gateway startup process yes download configuration files via tftp run operational software no no response physical reset reset from the web interface or snmp bootp x times preconfigured firmware url? Download firmware via tftp device rese...

  • Page 305

    3com ® vcx v7111 voip gateway user guide 305 using parameter tables the v7111 gateway uses parameter tables to group related parameters of specific entities and manage them together. These tables, similar to regular parameters, can be configured using the ini file, embedded web server, snmp, etc. Ta...

  • Page 306

    306 3com ® vcx v7111 voip gateway user guide in the example provided in table 86 there is only one index field. This is the simplest way to mark lines. In the example provided in table 87 there are three index fields. This more complicated method is a result of the application it represents. Table p...

  • Page 307

    3com ® vcx v7111 voip gateway user guide 307 there are two major differences between tables and secret tables: the secret field itself cannot be viewed using snmp, web or any other application. Ini file behavior: secret tables are never displayed in an uploaded ini file (for example, when performing...

  • Page 308

    308 3com ® vcx v7111 voip gateway user guide data line(s): contain the actual values of the parameters. The values are interpreted according to the format line. The first word of the data line must be the table’s string name followed by the index fields. Items must be separated by a comma ','. A dat...

  • Page 309

    3com ® vcx v7111 voip gateway user guide 309 must appear in the order of their dependency (that is, if table x is referred to by table y, table x must appear in the ini file before table y). Customizing the v7111 web interface customers incorporating the v7111 gateway into their portfolios can custo...

  • Page 310

    310 3com ® vcx v7111 voip gateway user guide replacing the main corporate logo with an image file use a gif, jpg or jpeg file for the logo image. It is important that the image file has a fixed height of 59 pixels (the width can be configured up to a maximum of 339 pixels). The size of the image fil...

  • Page 311

    3com ® vcx v7111 voip gateway user guide 311 if you encounter any problem during the loading of the files, or you want to restore the default images, click the restore default images button. To replace the default logo with your own corporate image using the ini file: 1 place your corporate logo ima...

  • Page 312

    312 3com ® vcx v7111 voip gateway user guide replacing the background image file the background image file is duplicated across the width of the screen. The number of times the image is duplicated depends on the width of the background image and screen resolution. When choosing your background image...

  • Page 313

    3com ® vcx v7111 voip gateway user guide 313 table 90 customizable logo ini file parameters parameter description bkgimagefilename the name (and path) of the file containing the new background. Use a gif, jpg or jpeg image file. The default is 3com background file. The length of the name of the imag...

  • Page 314

    314 3com ® vcx v7111 voip gateway user guide figure 117 ini parameters screen 4 from the parameter name drop-down list, select the required ini file parameter. 5 in the enter value field to the right, enter the parameters new value. 6 click the apply new value button to the right; the ini parameters...

  • Page 315

    3com ® vcx v7111 voip gateway user guide 315 readers notes.

  • Page 316

    316 3com ® vcx v7111 voip gateway user guide.

  • Page 317: Hapter

    3com ® vcx v7111 voip gateway user guide 317 c hapter 11: s pecial a pplications - m etering t ones r elay the v7111 fxs and fxo gateways can be used to relay standard 12 or 16 khz metering tones over the ip network. Figure 118 metering tone relay architecture after a call is established between the...

  • Page 318

    318 3com ® vcx v7111 voip gateway user guide figure 119 proprietary info message for relaying metering tones info sip:108@10.13.83.1 sip/2.0 via: sip/2.0/udp 10.13.83.2;branch=z9hg4bkaceizrjaa max-forwards: 70 from: "aviad".

  • Page 319

    3com ® vcx v7111 voip gateway user guide 319 readers notes.

  • Page 320

    320 3com ® vcx v7111 voip gateway user guide.

  • Page 321: Hapter

    3com ® vcx v7111 voip gateway user guide 321 c hapter 12: s ecurity this section describes the security mechanisms and protocols implemented on the v7111 gateway. The following list specifies the available security protocols and their objectives: ipsec and ike protocols are part of the ietf standard...

  • Page 322

    322 3com ® vcx v7111 voip gateway user guide ipsec does not function properly if the gateways ip address is changed on-the-fly due to the fact that the crypto hardware can only be configured on reset. Therefore, reset the gateway after you change its ip address. Ike ike is used to obtain the securit...

  • Page 323

    3com ® vcx v7111 voip gateway user guide 323 ipsec ipsec is responsible for encrypting and decrypting the ip streams. The ipsec security policy database (spd) table defines up to 20 ip peers to which the ipsec security is applied. Ipsec can be applied to all packets designated to a specific ip addre...

  • Page 324

    324 3com ® vcx v7111 voip gateway user guide table 92 ike table configuration parameters parameter name description shared key [ikepolicysharedkey] determines the pre-shared key (in textual format). Both peers must register the same pre-shared key for the authentication process to succeed. The pre-s...

  • Page 325

    3com ® vcx v7111 voip gateway user guide 325 parameter name description ike sa lifetime (sec) [ikepolicylifeinsec] determines the time (in seconds) the sa negotiated in the first ike session (main mode) is valid. After the time expires, the sa is re- negotiated. The default value is 28800 (8 hours)....

  • Page 326

    326 3com ® vcx v7111 voip gateway user guide figure 121 example of an ike table [ipsec_ikedb_table] format ike_db_index = ikepolicysharedkey, ikepolicyproposalencryption_0, ikepolicyproposalauthentication_0, ikepolicyproposaldhgroup_0, ikepolicyproposalencryption_1, ikepolicyproposalauthentication_1...

  • Page 327

    3com ® vcx v7111 voip gateway user guide 327 figure 122 ike table screen 3 in the policy index drop-down list, select the peer you want to edit (up to 20 peers can be configured). 4 configure the ike parameters according to table 92 . 5 click the button create; a row is create in the ike table 6 to ...

  • Page 328

    328 3com ® vcx v7111 voip gateway user guide table 94 spd table configuration parameters parameter name description remote ip address [ipsecpolicyremoteipaddress] defines the destination ip address (or a fqdn) the ipsec mechanism is applied to. This parameter is mandatory. When a fqdn is used, a dns...

  • Page 329

    3com ® vcx v7111 voip gateway user guide 329 parameter name description first to fourth proposal encryption type [ipsecpolicyproposalencryption_x] determines the encryption type used in the quick mode negotiation for up to four proposals. X stands for the proposal number (0 to 3). The valid encrypti...

  • Page 330

    330 3com ® vcx v7111 voip gateway user guide figure 123 example of an spd table [ ipsec_spd_table ] format spd_index = ipsecpolicyremoteipaddress, ipsecpolicysrcport, ipsecpolicydstport,ipsecpolicyprotocol, ipsecpolicylifeinsec, ipsecpolicyproposalencryption_0, ipsecpolicyproposalauthentication_0, i...

  • Page 331

    3com ® vcx v7111 voip gateway user guide 331 figure 124 ipsec table screen 3 in the policy index drop-down list, select the rule you want to edit (up to 20 rules can be configured). 4 configure the spd parameters according to table 94 . 5 click the button create; a row is create in the spd table 6 t...

  • Page 332

    332 3com ® vcx v7111 voip gateway user guide cannot be read. In the ini file, the following measures to assure the secrecy of the ipsec and ike tables are taken: hidden ipsec and ike tables - when uploading the ini file from the gateway the ipsec and ike tables are not available. Instead, the notifi...

  • Page 333

    3com ® vcx v7111 voip gateway user guide 333 sip over tls (sips) the v7111 gateway uses tls over tcp to encrypt sip transport and (optionally) to authenticate it. To enable tls on the v7111 gateway, set the selected transport type to tls (siptransporttype = 2). In this mode the gateway initiates a t...

  • Page 334

    334 3com ® vcx v7111 voip gateway user guide figure 127 example of a host file # this is a sample hosts file used by microsoft tcp/ip for windows. # location: c:\windows\system32\drivers\etc\hosts # 127.0.0.1 localhost 10.31.4.47 acl_280152 secured telnet to enable the embedded telnet server on the ...

  • Page 335

    3com ® vcx v7111 voip gateway user guide 335 figure 128 certificate signing request screen 3 in the subject name field, enter the dns name and click generate csr . A textual certificate signing request, that contains the ssl device identifier, is displayed. 4 copy this text and send it to your secur...

  • Page 336

    336 3com ® vcx v7111 voip gateway user guide figure 129 example of a base64-encoded x.509 certificate -----begin certificate----- miidkzccanugawibagieagaaadanbgkqhkig9w0baqqfada/mqswcqydvqqgewjg ujetmbega1uechmkq2vydglwb3n0ztebmbkga1ueaxmsq2vydglwb3n0zsbtzxj2 zxvymb4xdtk4mdyynda4mdawmfoxdte4mdyynda4...

  • Page 337

    3com ® vcx v7111 voip gateway user guide 337 to install a client certificate: 1 before continuing, set httpsonly = 0 to ensure you have a method of accessing the device in case the client certificate does not work. Restore the previous setting after testing the configuration. 2 open the certificates...

  • Page 338

    338 3com ® vcx v7111 voip gateway user guide preferable = an unencrypted call is established. Incoming calls that do not include encryption information are accepted. To enable srtp set the parameter enablemediasecurity to 1 (described in table 64 ). • when srtp is used the channel capacity is reduce...

  • Page 339

    3com ® vcx v7111 voip gateway user guide 339 to set up a radius server: 1 define the gateway as an authorized client of the radius server, with a predefined shared secret (a password used to secure communication) and a vendor id. The figure below displays an example of the file clients.Conf (freerad...

  • Page 340

    340 3com ® vcx v7111 voip gateway user guide configuring radius support for information on the radius parameters, see table 64 . To configure radius support on the gateway using the embedded web server: 1 access the embedded web server (see accessing the embedded web server ). 2 open the general sec...

  • Page 341

    3com ® vcx v7111 voip gateway user guide 341 11 in the field require secured web connection (https), select https only. It is important you use https (secure web server) when connecting to the gateway over an open network, since the password is transmitted in clear text. Similarly, for telnet, use s...

  • Page 342

    342 3com ® vcx v7111 voip gateway user guide internal firewall the v7111 gateway accommodates an internal access list facility, allowing the security administrator to define network traffic filtering rules. The access list provides the following features: block traffic from known malicious sources o...

  • Page 343

    3com ® vcx v7111 voip gateway user guide 343 explanation of the example access list: rule #10: traffic from the host mgmt.Customer.Com destined to tcp ports 0 to 80, is always allowed. Rule #15: traffic from the 192.Xxx.Yyy.Zzz subnet, is limited to a rate of 40 kbytes per second (with an allowed bu...

  • Page 344

    344 3com ® vcx v7111 voip gateway user guide network port usage the following table lists the default tcp/udp network port numbers used by the v7111 gateway. Where relevant, the table lists the ini file parameters that control the port usage and provide source ip address filtering capabilities. Tabl...

  • Page 345

    3com ® vcx v7111 voip gateway user guide 345 recommended practices to improve network security, the following guidelines are recommended when configuring the v7111 gateway: set the password of the primary web user account (see configuring the web user accounts ) to a unique, hard-to-hack string. Do ...

  • Page 346

    346 3com ® vcx v7111 voip gateway user guide readers notes.

  • Page 347: Hapter

    3com ® vcx v7111 voip gateway user guide 347 c hapter 13: d iagnostics several diagnostic tools are provided, enabling you to identify correct functioning of the v7111 gateway, or an error condition with a probable cause and a solution or workaround. Front and rear-panel leds on the v7111 gateway. T...

  • Page 348

    348 3com ® vcx v7111 voip gateway user guide v7111 gateway line testing the v7111 gateway features a mechanism that performs tests on the telephone lines connected to fxs and fxo ports. These tests provide various line measurements. The line testing mechanism is performed on channel 1 and therefore,...

  • Page 349

    3com ® vcx v7111 voip gateway user guide 349 figure 136 analog line testing confirmation box 2 click ok to confirm that you want to continue start the test; the fxs line testing for channel 1 screen appears. Figure 137 fxs line testing for channel 1 screen to perform the test again, click the retest...

  • Page 350

    350 3com ® vcx v7111 voip gateway user guide the number described above is known as the priority and represents both the facility and severity as described below. The priority number consists of one, two, or three decimal integers. For example: oct 11 16:00:15 mymachine su: 'su root' failed for lonv...

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    3com ® vcx v7111 voip gateway user guide 351 readers notes.

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    352 3com ® vcx v7111 voip gateway user guide.

  • Page 353: Hapter

    3com ® vcx v7111 voip gateway user guide 353 c hapter 14: snmp-b ased m anagement simple network management protocol (snmp) is a standard-based network control protocol used to manage elements in a network. The snmp manager (usually implemented by a network manager (nm) or an element manager (em)) c...

  • Page 354

    354 3com ® vcx v7111 voip gateway user guide trap: a message generated asynchronously by network devices. It is an unsolicited message from an agent to the manager. Each of these message types fulfills a particular requirement of network managers: get request: specific values can be fetched using th...

  • Page 355

    3com ® vcx v7111 voip gateway user guide 355 table mib objects: contain multiple sections of management data. These objects are distinguished from ‘discrete’ items (above) by requiring a "." (dot) extension to their names that uniquely distinguishes the particular value being referenced. The "." (do...

  • Page 356

    356 3com ® vcx v7111 voip gateway user guide when the snmp alarm traps are sent, the carrier-grade alarm system does not add or delete alarm traps as part of the feature. This system provides the mechanism for viewing of history and current active alarm information. Active alarm table the device mai...

  • Page 357

    3com ® vcx v7111 voip gateway user guide 357 third-party performance monitoring measurements performance measurements are available for a third-party performance monitoring system through an snmp interface. These measurements can be polled at scheduled intervals by an external poller or utility in a...

  • Page 358

    358 3com ® vcx v7111 voip gateway user guide the mibs include: acpmmedia: for media (voice) related monitoring (for example, rtp, dsps). Acpmcontrol: for control-protocol related monitoring (for example, connections, commands). Acpmanalog: for analog channels in offhook state. Acpmsystem: for genera...

  • Page 359

    3com ® vcx v7111 voip gateway user guide 359 snv7111-target-mib: according to rfc 2273. It allows for the configuration of trap destinations and trusted managers. Snmp mib: this mib (rfc 3418) allows support of the coldstart and authenticationfailure traps. Snmp framework mib: (rfc 3411). Snmp usm m...

  • Page 360

    360 3com ® vcx v7111 voip gateway user guide other proprietary mibs are: acgateway mib: this proprietary mib contains objects related to configuration of the device when applied as a sip or h.323 media gateway only. This mib complements the other proprietary mibs. The acgateway mib has the following...

  • Page 361

    3com ® vcx v7111 voip gateway user guide 361 the following are special notes pertaining to mibs: • a detailed explanation of each parameter can be viewed in an snmp browser in the mib description field. • not all groups in the mib are functional. See version release notes. • certain parameters are n...

  • Page 362

    362 3com ® vcx v7111 voip gateway user guide trap description acboardcontrollerfailurealarm sent when the gatekeeper/proxy is not found or registration failed. Internal routing table can be used for routing. Acfeaturekeyerror intended to relay feature key errors etc. (will be supported in the next a...

  • Page 363

    3com ® vcx v7111 voip gateway user guide 363 the gateway offers the following snmp security features: snmpv2c community strings snmpv3 user-based security model (usm) users snmp encoded over ipsec (see ipsec and ike ) combinations of the above currently, both snmp and ini file commands and downloads...

  • Page 364

    364 3com ® vcx v7111 voip gateway user guide configuration of community strings using snmp to configure read-only and read-write community strings, the em must use the snv7111- community-mib. To configure the trap community string, the em must also use the snmpvacmmib and the snmptargetmib. To add a...

  • Page 365

    3com ® vcx v7111 voip gateway user guide 365 1 add a row to the vacmsecuritytogrouptable with these values: securitymodel=2, securityname=the new trap community string, groupname=trapgroup, readgroup or readwritegroup. The securitymodel and securityname objects are row indices. 2 modify the security...

  • Page 366

    366 3com ® vcx v7111 voip gateway user guide configuring snmp v3 users via the ini file use the snmpusers ini table to add, modify, and delete snmpv3 users. For a description of the snmpusers table ini file parameters, refer to configuring snmp v3 . The snmpusers ini table is a hidden parameter. The...

  • Page 367

    3com ® vcx v7111 voip gateway user guide 367 a row with the same security level (noauthnopriv) must already exist in the usmusertable. (see the usmusertable for details). To delete the read-only, noauthnopriv snmpv3 user (v3user), take these steps: 1 if v3 user is associated with a trap destination,...

  • Page 368

    368 3com ® vcx v7111 voip gateway user guide the concept of trusted managers is considered to be a weak form of security and is therefore, not a required part of snmpv3 security, which uses authentication and privacy. However, the board’s snmp agent applies the trusted manager concept as follows: th...

  • Page 369

    3com ® vcx v7111 voip gateway user guide 369 an alternative to the above procedure is to set the tgtaddressmask column while you are creating other rows in the table. The following procedure assumes that there is at least one configured read-write community. There are currently two or more trusted m...

  • Page 370

    370 3com ® vcx v7111 voip gateway user guide to configure the trap managers table use: the embedded web server, see configuring the snmp managers table . The ini file, see configuration of community strings via the web . Snmp, see configuration of community strings via snmp . Configuring trap manger...

  • Page 371

    3com ® vcx v7111 voip gateway user guide 371 ;snmpmanagertableip_0= ;snmpmanagertrapport_0=162 ;snmpmanagerisused_0=1 ;snmpmanagertrapsendingenable_0=1 ; ;snmpmanagertableip_1= ;snmpmanagertrapport_1=162 ;snmpmanagerisused_1=1 ;snmpmanagertrapsendingenable_1=1 ; ;snmpmanagertableip_2= ;snmpmanagertr...

  • Page 372

    372 3com ® vcx v7111 voip gateway user guide name=trapn, where n is an unused number between 0 and 4 taglist=ac_trap params=usm, where is the name of the snmpv3 with which this user is associated 2 if a row does not already exist for this combination of user and securitylevel, add a row to the snmpt...

  • Page 373

    3com ® vcx v7111 voip gateway user guide 373 when setting any ip to the acsnmpmanagerip (this is the older parameter, not the table parameter), two more parameters are set to enable. Snmpmanagerisused.0 and snmpmanagertrapsendingenable.0 are both set to 1. Snmp nat traversal a nat placed between the...

  • Page 374

    374 3com ® vcx v7111 voip gateway user guide acgwadminstate acgwadminstatelockcontrol the acgwadminstate is used either to request (set) a shutdown (0), undo shutdown (2), or to view (get) the gateway condition (0 = locked; 1 = shutting down; 2 = unlocked). The acgwadminstatelockcontrol is used to s...

  • Page 375

    3com ® vcx v7111 voip gateway user guide 375 3com element management system using 3com element management system (ems) is recommended to customers requiring large deployments (multiple media gateways in globally distributed enterprise offices, for example), that need to be managed by central personn...

  • Page 376

    376 3com ® vcx v7111 voip gateway user guide readers notes.

  • Page 377: Hapter

    3com ® vcx v7111 voip gateway user guide 377 c hapter 15: c onfiguration f iles this section describes the configuration dat files that are loaded (in addition to the ini file) to the gateway. The configuration files are: call progress tones file (see configuring the call progress tones and distinct...

  • Page 378

    378 3com ® vcx v7111 voip gateway user guide limited to 1 to 50 khz). Note that when a tone is composed of a single frequency, the second frequency field must be set to zero. The format attribute can be one of the following: continuous: (for example, dial tone) a steady non-interrupted sound. Only t...

  • Page 379

    3com ® vcx v7111 voip gateway user guide 379 cadence burst low freq [hz]: frequency in hertz of the lower tone component in case of dual frequency tone, or the frequency of the tone in case of single tone (not relevant to am tones). High freq [hz]: frequency in hertz of the higher tone component in ...

  • Page 380

    380 3com ® vcx v7111 voip gateway user guide when the same frequency is used for a continuous tone and a cadence tone, the signal on time parameter of the continuous tone must have a value that is greater than the signal on time parameter of the cadence tone. Otherwise the continuous tone is detecte...

  • Page 381

    3com ® vcx v7111 voip gateway user guide 381 can be configured in the range of 10 hz to 200 hz with a 5 hz resolution. Each of the ringing pattern cadences is specified by the following parameters: burst ring on time: configures the cadence to be a burst cadence in the entire ringing pattern. The bu...

  • Page 382

    382 3com ® vcx v7111 voip gateway user guide fourth (burst) ring off time [10 msec]: ring off period (in 10 msec units) for the fourth cadence on-off cycle. Examples of various ringing signals figure 143 examples of various ringing signals [number of distinctive ringing patterns] number of ringing p...

  • Page 383

    3com ® vcx v7111 voip gateway user guide 383 using the trunkpack downloadable conversion utility (see creating a loadable prerecorded tones file ). The raw data files must be recorded with the following characteristics: coders: g.711 a-law, g.711 µ-law or linear pcm rate: 8 khz resolution: 8-bit cha...

  • Page 384

    384 3com ® vcx v7111 voip gateway user guide frequency response in transmit and receive direction hook thresholds ringing generation and detection parameters this means, for example, that changing impedance matching or hybrid balance does not require hardware modifications, so that a single device i...

  • Page 385

    3com ® vcx v7111 voip gateway user guide 385 table 100 user information items item description maximum size pbx extension # the relevant pbx extension number 10 global ip # the relevant ip phone number 20 display name a string that represents the pbx extensions for the caller id. 30 username a strin...

  • Page 386

    386 3com ® vcx v7111 voip gateway user guide readers notes.

  • Page 387: Hapter

    3com ® vcx v7111 voip gateway user guide 387 c hapter 16: s elected t echnical s pecifications v7111 1x port specifications table 101 v7111 1x port functional specifications channel capacity available ports v7111 12 port 2 ports * v7111 14 port 4 ports v7111 18 port 8 ports * the v7111 12 port diffe...

  • Page 388

    388 3com ® vcx v7111 voip gateway user guide short or long haul. Includes lightning and high voltage protection for outdoor operation. Programmable line characteristics: ac impedance matching, hybrid balance, tx & rx frequency response, tx & rx gains, ring detection threshold, dc characteristics. Fo...

  • Page 389

    3com ® vcx v7111 voip gateway user guide 389 input gain control -32 db to +31 db in steps of 1 db fax/modem relay fax relay group 3 fax relay up to 14.4 kbps with auto fallback t.38 compliant, real time fax relay tolerant network delay (up to 9 seconds round trip) modem transparency auto switch to p...

  • Page 390

    390 3com ® vcx v7111 voip gateway user guide 2 analog lines (v7111 12 port) 2 rj-11 connectors ac power supply socket 100-240~0.3a max. Ethernet 10/100 base-tx, rj-45 rs-232 console ps/2 port reset button resets the v7111 1x port physical dimensions (hxwxd) 42 x 172 x 220 mm weight 0.5 kg (approx.) ...

  • Page 391

    3com ® vcx v7111 voip gateway user guide 391 v7111 24 port specifications table 102 v7111 24 port functional specifications channel capacity available ports v7111 24 port 24 ports fxs functionality short or long haul (automatic detection): ren2: up to 15.5 km (50,800 feet) using 24 awg line. Ren3: u...

  • Page 392

    392 3com ® vcx v7111 voip gateway user guide silence suppression g.723.1 annex a g.729 annex b pcm and adpcm - standard silence descriptor (sid) with proprietary voice activity detection (vad) and comfort noise generation (cng). Packet loss concealment g.711 appendix 1 g.723.1 g.729 a/b echo cancele...

  • Page 393

    3com ® vcx v7111 voip gateway user guide 393 rs-232 interface rs-232 terminal interface (db-9). Indicators channel status and activity leds connectors & switches rear panel 24 analog lines 50-pin telco shielded connector ethernet 10/100 base-tx, rj-45 shielded connector rs-232 console port - db-9 ac...

  • Page 394

    394 3com ® vcx v7111 voip gateway user guide readers notes.

  • Page 395: Ppendix

    3com ® vcx v7111 voip gateway user guide 395 a ppendix a: v7111 sip s oftware k it table 103 describes the standard supplied software kit for v7111 fxs/fxo sip gateways. The supplied documentation includes this users manual, the v7111 fast track and the v7111 and v7111 sip release notes. Table 103 v...

  • Page 396

    396 3com ® vcx v7111 voip gateway user guide readers notes.

  • Page 397: Ppendix

    3com ® vcx v7111 voip gateway user guide 397 a ppendix b: sip c ompliance t ables the v7111 gateways comply with rfc 3261, as shown in the following sections. Sip functions table 104 sip functions function supported user agent client (uac) yes user agent server (uas) yes proxy server third-party onl...

  • Page 398

    398 3com ® vcx v7111 voip gateway user guide update yes publish yes send only subscribe yes sip headers the following sip headers are supported by the gateway. Table 106 sip headers header field supported accept yes accept–encoding yes alert-info yes allow yes also yes asserted-identity yes authoriz...

  • Page 399

    3com ® vcx v7111 voip gateway user guide 399 header field supported join yes max-forwards yes messages-waiting yes min-se yes organization no p-asserted-identity yes p-preferred-identity yes priority no proxy- authenticate yes proxy- authorization yes proxy- require yes prack yes reason yes record- ...

  • Page 400

    400 3com ® vcx v7111 voip gateway user guide header field supported to yes unsupported yes user- agent yes via yes voicemail yes warning yes www- authenticate yes sdp headers the following sdp headers are supported by the gateway. Table 107 sdp headers sdp header element supported v - protocol versi...

  • Page 401

    3com ® vcx v7111 voip gateway user guide 401 sip responses the following sip responses are supported by the gateway: 1xx response - information responses 2xx response - successful responses 3xx response - redirection responses 4xx response - client failure responses 5xx response - server failure res...

  • Page 402

    402 3com ® vcx v7111 voip gateway user guide 3xx response – redirection responses table 110 3xx sip responses 3xx response supported comments 300 multiple choice yes the gateway responds with an ack and resends the request to first in the contact list, new address. 301 moved permanently yes the gate...

  • Page 403

    3com ® vcx v7111 voip gateway user guide 403 4xx response supported comments 407 proxy authentication required yes authentication support for basic and digest. On receiving this message the gw issues a new request according to the scheme received on this response. 408 request timeout yes the gateway...

  • Page 404

    404 3com ® vcx v7111 voip gateway user guide 4xx response supported comments 485 ambiguous yes the gateway does not generate this response. On reception of this message, before a 200ok has been received, the gateway responds with an ack and disconnects the call. 486 busy here yes the sip gateway gen...

  • Page 405

    3com ® vcx v7111 voip gateway user guide 405 reader's notes.

  • Page 406

    406 3com ® vcx v7111 voip gateway user guide.

  • Page 407: Ppendix

    3com ® vcx v7111 voip gateway user guide 407 a ppendix c: b oot p/tftp c onfiguration u tility the bootp/tftp utility enables you to easily configure and provision our boards and media gateways. Similar to third-party bootp/tftp utilities (which are also supported) but with added functionality; our ...

  • Page 408

    408 3com ® vcx v7111 voip gateway user guide key features internal bootp supporting hundreds of entities internal tftp contains all required data for our products in predefined format provides a tftp address, enabling network separation of tftp and bootp utilities tools to backup and restore the loc...

  • Page 409

    3com ® vcx v7111 voip gateway user guide 409 to open the bootp/tftp: 3 from the start menu on your computer, navigate to programs and then click bootp. 4 the first time that you run the bootp/tftp, the program prompts you to set the user preferences. See setting the preferences for information on se...

  • Page 410

    410 3com ® vcx v7111 voip gateway user guide.

  • Page 411

    3com ® vcx v7111 voip gateway user guide 411 function buttons on the main screen pause: click this button to pause the bootp tool so that no replies are sent to bootp requests. Click the button again to restart the bootp tool so that it responds to all bootp requests. The pause button provides a dep...

  • Page 412

    412 3com ® vcx v7111 voip gateway user guide status: indicates the status of the transaction. Client not found: a bootrequest was received but there is no matching client entry in the bootp tool. Client found: a bootrequest was received and there is a matching client entry in the bootp tool. A bootr...

  • Page 413

    3com ® vcx v7111 voip gateway user guide 413 setting the preferences the preferences window is used to configure the bootp tool parameters. Figure 147 preferences screen bootp preferences arp is a common acronym for address resolution protocol, and is the method used by all internet devices to deter...

  • Page 414

    414 3com ® vcx v7111 voip gateway user guide if arp manipulation is enabled, the following two commands are available. Reply type: reply to a bootrequest can be either broadcast or unicast. The default for the bootp tool is broadcast. In order for the reply to be set to unicast, arp manipulation mus...

  • Page 415

    3com ® vcx v7111 voip gateway user guide 415 configuring the bootp clients the client configuration screen, is used to set up the parameters for each specific voip gateway. Figure 148 client configuration screen.

  • Page 416

    416 3com ® vcx v7111 voip gateway user guide adding clients adding a client creates an entry in the bootp tool for a specific gateway. To add a client to the list without using a template: 1 click add new client ; a client with blank parameters is displayed. 2 enter values in the fields on the right...

  • Page 417

    3com ® vcx v7111 voip gateway user guide 417 deleting clients to delete a client from the bootp tool: 1 select the client that you wish to delete by clicking on the line in the window for that client. 2 click the delete current client button ; a warning pops up. 3 to delete the client, click yes. Ed...

  • Page 418

    418 3com ® vcx v7111 voip gateway user guide setting client parameters client parameters are listed on the right side of the client configuration window. Client mac: the client mac is used by bootp to identify the voip gateway. The mac address for the voip gateway is printed on a label located on th...

  • Page 419

    3com ® vcx v7111 voip gateway user guide 419 • once the software file loads into the gateway, the gateway begins functioning from that software. In order to save this software to non-volatile memory, (only the cmp file, that is, the compressed firmware file, can be burned to your device's flash memo...

  • Page 420

    420 3com ® vcx v7111 voip gateway user guide table 114 lists and describes the switches that are available: table 114 command line switch descriptions switch description -fb burn ram.Cmp in flash (only for cmp files) -em # use this switch to set ethernet mode. 0 = 10 base-t half-duplex 1 = 10 base-t...

  • Page 421

    3com ® vcx v7111 voip gateway user guide 421 managing client templates templates can be used to simplify configuration of clients when most of the parameters are the same. Figure 149 templates screen to create a new template: 1 click the add new template button . 2 fill in the default parameter valu...

  • Page 422

    422 3com ® vcx v7111 voip gateway user guide to delete an existing template: 1 select the template by clicking its name from the list of templates in the window. 2 click the delete current template button ; a warning pop up message appears. 3 to delete the template, click yes. Note that if this temp...

  • Page 423: Ppendix

    3com ® vcx v7111 voip gateway user guide 423 a ppendix d: rtp/rtcp p ayload t ypes and p ort a llocation rtp payload types are defined in rfcs 3550 and 3551. Newly added payload types enable advanced use of other coder types, which are reportedly not used by other applications. Packet types defined ...

  • Page 424

    424 3com ® vcx v7111 voip gateway user guide defined payload types table 116 defined payload types payload type description basic packet rate [msec] 96 rfc 2833 dtmf relay 20 102 fax bypass 20 103 modem bypass 20 104 rfc 2198 (redundancy) same as channels voice coder. 105 nse bypass default rtp/rtcp...

  • Page 425

    3com ® vcx v7111 voip gateway user guide 425 17 6160 6161 6162 18 6170 6171 6172 19 6180 6181 6182 20 6190 6191 6192 21 6200 6201 6202 22 6210 6211 6212 23 6220 6221 6222 24 6230 6231 6232 to configure the gateway to use the same port for both rtp and t.38 packets, set the parameter t38usertpport to...

  • Page 426

    426 3com ® vcx v7111 voip gateway user guide readers notes.

  • Page 427: Ppendix

    3com ® vcx v7111 voip gateway user guide 427 a ppendix e: a ccessory p rograms and t ools the accessory applications and tools shipped with the device provide you with friendly interfaces that enhance device usability and smooth your transition to the new voip infrastructure. The following applicati...

  • Page 428

    428 3com ® vcx v7111 voip gateway user guide figure 150 trunkpack downloadable conversion utility opening screen converting a cpt ini file to a binary dat file for detailed information on creating a cpt ini file, see configuring the call progress tones and distinctive ringing file . To convert a cpt...

  • Page 429

    3com ® vcx v7111 voip gateway user guide 429 figure 151 call progress tones conversion screen 3 click the select file… button that is in the call progress tone file box. 4 navigate to the folder that contains the cpt ini file you want to convert. 5 click the ini file and click the open button; the n...

  • Page 430

    430 3com ® vcx v7111 voip gateway user guide encoding / decoding an ini file for detailed information on secured ini file, see secured ini file . To encode an ini file: 1 execute the trunkpack downloadable conversion utility, dconvert.Exe (supplied with the software package); the utilitys main scree...

  • Page 431

    3com ® vcx v7111 voip gateway user guide 431 3 click the file and click the open button. The name and path of both the encode ini file and the output decoded file appear in the fields under the select filebutton. Note that the name of the output file can be modified. 4 click the decode file(s) butto...

  • Page 432

    432 3com ® vcx v7111 voip gateway user guide figure 153 prerecorded tones screen.

  • Page 433

    3com ® vcx v7111 voip gateway user guide 433 4 to add the prerecorded tone files (you created in step 1 ) to the prerecorded tones screen follow one of these procedures: select the files and drag them to the prerecorded tones screen. Click the add file(s) button; the select files screen opens. Selec...

  • Page 434

    434 3com ® vcx v7111 voip gateway user guide about the call progress tones wizard the call progress tones wizard helps detect the call progress tones generated by your pbx (or telephone exchange) and creates a basic call progress tones ini file (containing definitions for all relevant call progress ...

  • Page 435

    3com ® vcx v7111 voip gateway user guide 435 4 in the invalid phone number field, enter a number that generates a fast busy tone when dialed. Usually, any incorrect phone number should cause a fast busy tone. 5 click next. The cptwizard communicates with the fxo gateway using tpncp (trunkpack networ...

  • Page 436

    436 3com ® vcx v7111 voip gateway user guide 3 sets port 1 offhook, dials the number of port 2, listens to the ringback tone 4 sets port 1 offhook, dials an invalid number, listens to the reorder tone 5 the wizard then analyzes the recorded call progress tones and displays a message specifying the t...

  • Page 437

    3com ® vcx v7111 voip gateway user guide 437 • if the gateway is configured correctly (with a call progress tones dat file loaded to the gateway), all four call progress tones are detected by the gateway. By noting whether the gateway detects the tones or not, you can determine how well the call pro...

  • Page 438

    438 3com ® vcx v7111 voip gateway user guide due to some pc audio hardware limitations, you may hear clicks in play-through mode. It is safe to ignore these clicks. 4 select the tone type from the drop-down list and click analyze recorded tone; the analyzed tone is added to the tones analyzed list a...

  • Page 439

    3com ® vcx v7111 voip gateway user guide 439 figure 160 call progress tone database matches # recorded tone: busy tone (automatic configuration) ## matches: pbx name=itu anguilla, tone name=busy tone ## matches: pbx name=itu antigua and barbuda, tone name=busy tone ## matches: pbx name=itu barbados,...

  • Page 440

    440 3com ® vcx v7111 voip gateway user guide adding a reorder tone to the cpt file the following procedure describes how to add a reorder tone that a pbx generates to indicate a disconnected call, to the cpt file. To add a reorder tone to the cpt file, take these 11 steps: 1 make a call (using g.711...

  • Page 441: Ppendix

    3com ® vcx v7111 voip gateway user guide 441 a ppendix f: snmp t raps this section provides information on proprietary snmp traps currently supported by the gateway. There is a separation between traps that are alarms and traps that are not (logs). Currently all have the same structure made up of th...

  • Page 442

    442 3com ® vcx v7111 voip gateway user guide component: board# the source varbind text for all the alarms under this component is board# where n is the slot number. For v7111, = 1. Table 118 acboardfatalerror alarm trap alarm: acboardfatalerror oid: 1.3.6.1.4.1.5003.9.10.1.21.2.0.1 default severity:...

  • Page 443

    3com ® vcx v7111 voip gateway user guide 443 table 119 acboardtemperaturealarm alarm trap alarm: acboardtemperaturealarm oid: 1.3.6.1.4.1.5003.9.10.1.21.2.0.3 default severity critical event type: equipmentalarm probable cause: temperatureunacceptable (50) alarm text: board temperature too high stat...

  • Page 444

    444 3com ® vcx v7111 voip gateway user guide value>: locked condition: admin state changed to unlocked alarm status: cleared corrective action: a network administrator has taken an action to lock the device. No corrective action is required. Table 121 acoperationalstatechange alarm trap alarm: acope...

  • Page 445

    3com ® vcx v7111 voip gateway user guide 445 status changes: condition: when a soft reset is triggered using the web interface or snmp. Alarm status: critical condition: after raise alarm status: status stays critical until reboot. A clear trap is not sent. Corrective action: a network administrator...

  • Page 446

    446 3com ® vcx v7111 voip gateway user guide alarm text: controller failure alarm status changes: condition: proxy has not been found alarm status: major additional info: proxy not found. Use internal routing or proxy lost. Looking for another proxy condition: proxy is found. The clear message inclu...

  • Page 447

    3com ® vcx v7111 voip gateway user guide 447 probable cause: resourceatornearingcapacity (43) alarm text: active alarm table overflow status changes: condition: too many alarms to fit in the active alarm table alarm status: major condition: after raise alarm status: status stays major until reboot. ...

  • Page 448

    448 3com ® vcx v7111 voip gateway user guide condition: both interfaces are operational alarm status: cleared corrective action: ensure that both ethernet cables are plugged into the back of the system. Inspect the systems ethernet link lights to determine which interface is failing. Reconnect the c...

  • Page 449

    3com ® vcx v7111 voip gateway user guide 449 condition: a performance counter has crossed the high threshold trap status: indeterminate condition: a performance counter has crossed the low threshold trap status: cleared table 130 achttpdownloadresult log trap trap: achttpdownloadresult oid: 1.3.6.1....

  • Page 450

    450 3com ® vcx v7111 voip gateway user guide table 132 authenticationfailure trap trap name: authenticationfailure oid: 1.3.6.1.6.3.1.1.5.5 mib: snmpv2-mib table 133 acboardevboardstarted trap trap name: acboardevboardstarted oid: 1.3.6.1.4.1.5003.9.10.1.21.2.0.4 mib: acboard severity: cleared event...

  • Page 451

    3com ® vcx v7111 voip gateway user guide 451 note that acboardtrapglobalsname is actually a number. The value of this varbind is x minus 1, where x is the last number in the traps oid. For example, the name of acboardethernetlinkalarm is 9. The oid for acboardethernetlinkalarm is 1.3.6.1.4.1.5003. 9...

  • Page 452

    452 3com ® vcx v7111 voip gateway user guide readers notes.

  • Page 453: Ppendix

    3com ® vcx v7111 voip gateway user guide 453 a ppendix g: i nstallation and c onfiguration of a pache http s erver this appendix describes the installation and configuration of apaches http server with perl script environment (required for recording). Windows 2000/xp operation systems for detailed i...

  • Page 454

    454 3com ® vcx v7111 voip gateway user guide 7 open the apache2/conf/perl.Conf file for editing and add the line “script put /perl/put.Cgi” after the last line in the following section (note that if the following section is omitted or different in the file, insert it into the file or change it there...

  • Page 455

    3com ® vcx v7111 voip gateway user guide 455 c) set the maxkeepaliverequests parameter to 0 (enables an unlimited number of requests during a persistent connection – required for multiple consecutive http post requests for uploading the file). D) set maxclients to 250 e) change the mod_perl module l...

  • Page 456

    456 3com ® vcx v7111 voip gateway user guide readers notes.

  • Page 457: Ppendix

    3com ® vcx v7111 voip gateway user guide 457 a ppendix h: r egulatory i nformation declaration of conformity application of council directives: 73/23/eec (including amendments) 89/336/eec (including amendments) 1999/5/ec annex-ii of the directive standards to which conformity is declared: en55022: 1...

  • Page 458

    458 3com ® vcx v7111 voip gateway user guide estonian käesolevaga kinnitab [3com ltd] seadme [v7111 1x port/fxs & fxo series & v7111 24 port] vastavust direktiivi 89/336/eec, 73/23/eec ; 1999/5/es põhinõuetele ja nimetatud direktiivist tulenevatele teistele asjakohastele sätetele. Finnish [3com ltd]...

  • Page 459

    3com ® vcx v7111 voip gateway user guide 459 slovene Šiuo [3com ltd] deklaruoja, kad šis [v7111 1x port/fxs & fxo series & v7111 24 port] atitinka esminius reikalavimus ir kitas 89/336/eec, 73/23/eec ; 1999/5/es direktyvos nuostatas. Spanish por medio de la presente [3com ltd] declara que el [v7111 ...

  • Page 460

    460 3com ® vcx v7111 voip gateway user guide conformity indicating that industry canada technical specifications were met. It does not imply that industry canada approved the equipment. Fxo ports: the ringer equivalence number (ren) for this terminal is 0.5. The ren assigned to each terminal equipme...

  • Page 461

    3com ® vcx v7111 voip gateway user guide 461 this equipment is designed to be connected to the telephone network using an rj-11c connector, which is part 68 compliant. The service order code (soc) is 9.0y and the facility interface code (fic) is 02ls2. The ren is used to determine the number of devi...

  • Page 462

    462 3com ® vcx v7111 voip gateway user guide.

  • Page 463: Ppendix

    3com ® vcx v7111 voip gateway user guide 463 a ppendix i: o btaining s upport for y our 3c om p roduct customer support customer technical support and service are provided by 3com distributors, partners, and resellers from whom the product was purchased. For customer support for products purchased d...

  • Page 464

    464 3com ® vcx v7111 voip gateway user guide.