2N EasyRoute User Manual

Other manuals for EasyRoute: User Manual, Quick Setup Manual, User Manual
Manual is about: UMTS Data and Voice Gateway

Summary of EasyRoute

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    2n ® easyroute umts data and voice gateway user manual version 1.05.00 www.2n.Cz.

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    The 2n telekomunikace a.S. Joint-stock company is a czech manufacturer and supplier of telecommunications equipment. The product family developed by 2n telekomunikace a.S. Includes gsm gateways, private branch exchanges (pbx), and door and lift communicators. 2n telekomunikace a.S. Has been ranked a...

  • Page 3: Table Of Contents

    Table of contents 1. Product overview ............................................................. 5 1.1 product description ................................................................................................... 6 basic features ............................................................

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    4. Function and use ........................................................... 83 4.1 voice function ......................................................................................................... 84 outgoing call ..............................................................................

  • Page 5: Product

    5 1 1. Product overview in this section, we introduce the 2n ® easyroute product, outline its application options and highlight the advantages following from its use. This chapter also includes safety instructions. Here is what you can find in this section: n product description n description of cha...

  • Page 6: 1.1  Product Description

    Product description 6 1.1 product description the 2n ® easyroute gsm/umts gateway is a new product, which has been developed and manufactured to provide the maximum utility value, quality and reliability. We hope you will be fully satisfied with 2n ® easyroute for a long time. Therefore, use your 2n...

  • Page 7: Safety Precautions

    Product description 7 n you get all you need in the delivery your 2n ® easyroute delivery contains all you need to operate the system (power supply adapter, telephone cable, ethernet cable, antenna, cd manual). N a solution for sites without telephone lines 2n ® easyroute is a perfect solution for s...

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    Product description 8 any mobile telephone use prohibition based on rf energy radiation applies to 2n ® easyroute too. 2n ® easyroute may disturb the function of tv sets, radio sets and pcs. Warning! 2n ® easyroute contains components that may be swallowed by small children (sim card, antenna, etc.)...

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    Description of changes 9 1.2 description of changes the manufacturer reserves the right to modify the product in order to improve its qualities. Manual version changes 1.0 n the user manual applies to fw version 1.00 (basic function). 1.02 n the user manual applies to fw version 1.02 (extended funct...

  • Page 10: Manual Symbols

    Terms and symbols used 10 1.3 terms and symbols used manual symbols accident hazard n always abide by this information to prevent personal accident. Warning n always abide by this information to prevent damage to the device. Caution n important information. Disobedience may result in a malfunction. ...

  • Page 11: Description And

    11 2 2. Description and installation this section describes the 2n ® easyroute product and its installation. Here is what you can find in this section: n description n before you start n mounting n telephone line connection..

  • Page 12: 2.1  Description

    Description 12 2.1 description 2n ® easyroute consists of a plastic-encased gsm/umts gateway, removable antenna and telephone network/lan connecting cables. The 2n ® easyroute status is indicated by the led on its front side. All possible states are described in the following figure. Power supply bl...

  • Page 13: 2.2  Before You Start

    Before you start 13 2.2 before you start product completeness check please check the product for completeness before installation. The package should include the following pieces: n 1 2n ® easyroute n 1 gsm+umts antenna n 1 supply adapter n 1 telephone cable n 1 network cable (fast ethernet rj45) n ...

  • Page 14: 2.3  Mounting

    Mounting 14 2.3 mounting external antenna connection screw the antenna included in the package into the sma antenna connector. Caution n tighten the antenna connector gently by hand – never use wrenches! Note n the antenna has a sufficient gain for a trouble-free operation in normal conditions. If t...

  • Page 15: Wall Mounting

    Mounting 15 wall mounting the 2n ® easyroute cover backside is equipped with two wall-mounting holes: power supply 2n ® easyroute is fed with 10–16v dc. Where a source other than the included power supply adapter is used, the voltage range and polarity shown on the 2n ® easyroute power supply connec...

  • Page 16: Pbx Connection

    Telephone line connection 16 2.4 telephone line connection pbx connection connect 2n ® easyroute to a vacant co line of your pbx. Configure your pbx in such a manner that umts and gsm (voip for efr) outgoing calls are routed to 2n ® easyroute. Tip n 2n ® easyroute - er is equipped with the fsk-based...

  • Page 17: Easyroute

    17 3 3. 2n ® easyroute configuration this section describes configuration of the 2n ® easyroute product. Here is what you can find in this section: n 2n ® easyroute configuration n table of programmable parameters.

  • Page 18: 3.1  2N

    2n® easyroute configuration 18 3.1 2n ® easyroute configuration 2n ® easyroute is configured via a user-friendly network web interface. Pc connection you have received a fast ethernet cable for pc connection. To enter the web browser programming interface enter 192.168.1.1 in the web browser address...

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    2n® easyroute configuration 19 the user is authorised to work with sms, access the call register and manage the user password. Caution n we recommend that you should change the web access username and password after the first power up! Caution n the following changes in the default login parameters ...

  • Page 20: Basic Controls

    Table of programmable parameters 20 3.2 table of programmable parameters all programmable parameters of 2n ® easyroute are listed in this section. The unit used, description of 2n ® easyroute's behaviour upon a change, setting options, the setting step and the default (initialisation) setting are in...

  • Page 21: Status Menu

    Table of programmable parameters 21 icons there are three icons in the upper part of the screen that provide an easy access to the setup, sms and status menus. Menu the left-hand section of the screen shows menus that can be opened by a mouse click. The last item of the section called logout is used...

  • Page 22

    Table of programmable parameters 22 fup limit counter capacity according to fup parameters. Disabled fup not allowed. 0 – 100% counter filling percentage; 100% results in internet disconnection. Sent shows the total count of packets and (bytes) sent to the mobile network. Received shows the total co...

  • Page 23: Wizard Menu

    Table of programmable parameters 23 time (sntp) current system time of the gateway. Buttons menu refresh push this button to refresh the screen data (substitutes for the f5 key function). Connect / disconnect this button is used for connecting/disconnecting the gateway to/from the internet. It is av...

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    Table of programmable parameters 24 pin fill in the pin of the sim card inserted. Setting options: 0, 4–8 characters (0–9) default setting: none hide the pin is displayed not in the text format but as a dot only. Setting options: on/off default setting: on remember 2n ® easyroute remembers the pin a...

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    Table of programmable parameters 25 apn the apn (access point name) is the provider’s internet access code. If the item is not filled in by the user, the gateway enters its data related to the selected provider. Default setting: empty (database search) dial fill in the telephone number of the reques...

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    Table of programmable parameters 26 encryption here set the 2n ® easyroute wifi interface security levels. Setting options: none wep wpa wpa2 wpa+wpa2 default setting: none key format enter the wifi interface security key format. Setting options: ascii / hex default setting: ascii key the wifi secur...

  • Page 27: Calls Menu

    Table of programmable parameters 27 calls menu all the menu gives an overview of all gateway calls. It includes all answered outgoing calls plus answered and unanswered incoming calls. Unanswered incoming calls are signalled by the missed note in the last column. Each page shows thirteen calls and t...

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    Table of programmable parameters 28 inbox the inbox section displays the received sms messages and helps you read them including such details as the sms sender number and delivery time. To delete a message, select it and push the delete button. To move between the pages use the page numbers in the u...

  • Page 29: Setup Menu > Wireless

    Table of programmable parameters 29 is moved to the storage of deleted sms and, together with the other sms messages, deleted automatically when the assigned data space is filled up. Errors the errors section displays the sms messages that failed to be sent. The menu helps you read the messages incl...

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    Table of programmable parameters 30 pin fill in the pin of the sim card inserted. Setting options: 0, 4–8 characters (0–9) default setting: none hide the pin is displayed not in the text format but as a dot only . Setting options: on/off default setting: on remember 2n ® easyroute remembers the pin ...

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    Table of programmable parameters 31 caution n by setting a frequency band you disable 2n ® easyroute from using the optimum frequency band, which may decelerate your data transmission and deteriorate the voip call and fax transmission quality. 2n ® easyroute continuously evaluates the signal intensi...

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    Table of programmable parameters 32 dial fill in the telephone number of the requested service. This parameter is determined by the provider. Setting options: 0–15 characters (0–9, *, #, +) default setting: empty (database search) user enter the username for connection to the provider. If you fail t...

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    Table of programmable parameters 33 dns1/dns2 the ip address of the dnss used, which is assigned by the provider upon network login. Cannot be programmed! Ip the ip address of the default gateway used, which is assigned by the provider upon network login. Cannot be programmed! Save button push this ...

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    Table of programmable parameters 34 connection use. The third parameter sets the allowed connection time. The fourth parameter defines units. Setting options: 1 minute – 1 week default setting: 1 hour reset period define how often the fup counter should be reset. Setting options: now daily weekly mo...

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    Table of programmable parameters 35 default setting: handset (esec) rx avc (automatic volume control) enable/disable the automatic setting of the receiving signal volume. Setting options: on/off default setting: on rx agc (automatic gain control) enable/disable the automatic setting of the signal re...

  • Page 36: Setup Menu > Telephony

    Table of programmable parameters 36 sms database limit here set the maximum size of the sms storing database. After the database is filled up, incoming sms messages are stored on the inserted sim card and no more sms are sent and/or received. The user is notified of this fact by an error message whi...

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    Table of programmable parameters 37 pulse width define a pulse width to be identified as one dialling pulse. If the limits are set incorrectly, pulse dialling cannot be used. Setting options: 10–90 ms default setting: 50–80 ms pulse delay define a period of time to be identified as a delay between p...

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    Table of programmable parameters 38 setting step: 5 hz default setting: 425 hz for the first tone, the other tone is disabled. Busy tone – modulation set the busy tone modulation, choosing one of the predefined dialtone patterns. Setting options: 250/250, 330/330, 200/200, 375/375, 500/500 default s...

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    Table of programmable parameters 39 replace ‘+’ if this parameter is enabled, the ‘+’ character is replaced with the defined string in the international prefix of the cli. It is because the ‘+’ character can neither be transmitted by the fsk protocol nor dialled in the dtmf format from a terminal. S...

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    Table of programmable parameters 40 enable transmit path high pass filter enable/disable the high pass filter for the signal transmit path. Setting options: on/off default setting: on receive path gain set the gain for the receive path. Setting options: 0 db 3.5 db -3.5 db muted default setting: 0 t...

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    Table of programmable parameters 41 +1.16 db 0 db -1.02 db -1.94 db -2.77 db off default setting: 0 db audio hybrid adjustment set the audio trans-hybrid feedback. Use this function, for example, to suppress echo more efficiently. Setting options: +4.08 db +2.50 db +1.16 db 0 db -1.02 db -1.94 db -2...

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    Table of programmable parameters 42 setting step: 1 ms default setting: 40 ms minimum flash timeout set the minimum time interval after which the flash is detected. Setting options: 10–10000 ms setting step: 1 ms default setting: 40 ms maximum flash timeout set the maximum time interval before which...

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    Table of programmable parameters 43 save button push this button to save the new settings. Default button push this button to restore the default values (factory settings). Slic > tones erf dialtone - frequency here set the dialtone frequency in [hz]. You can set up to two frequencies for a dual ton...

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    Table of programmable parameters 44 ringing tone – modulation set the ringing tone modulation, choosing one of the predefined dialtone patterns. Setting options: continuous, 320/320/640/640 (morse a), 330/330, 200/200, 250/250, 375/375, 500/500, 50/50, 1500/3000 default setting: 1500/3000 error tone...

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    Table of programmable parameters 45 etsi dtmf 2n ® easyroute transmits the received cli using the dtmf (dual tone multifrequency) signalling to a telephone line. Default setting: etsi fsk lec enable or disable the echo cancelling function (line echo canceller). Setting options: enabled/disabled defa...

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    Table of programmable parameters 46 local port set the port to be used for sip communication by 2n ® easyroute. Setting options: 1 - 65535 setting step: 1 default setting: 5060 local rtp port set the port for rtp stream sending. Setting options: 1 - 65535 setting step: 1 default setting: 10000 count...

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    Table of programmable parameters 47 save button push this button to save the new settings. Default button push this button to restore the default values (factory settings). Sip > account erf registrar set the ip address or domain name for the registrar server. Setting options: 0–49 characters (ascii...

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    Table of programmable parameters 48 save button push this button to save the new settings. Default button push this button to restore the default values (factory settings). Sip > flood erf enable enable/disable the use of the flood function. Setting options: enable/disable default setting: enable po...

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    Table of programmable parameters 49 save button push this button to save the new settings. Default button push this button to restore the default values (factory settings). Fax > basic erf enable enable the fax function. Setting options: enabled/disabled default setting: disabled protocol set the pr...

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    Table of programmable parameters 50 datagram size set the maximum udp/tcp datagram size. Default setting: 200 b error correction method define how to correct the errors in the fax messages to be transmitted. Setting options: redundancy 2n ® easyroute uses the redundancy error correction. Fec 2n ® ea...

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    Table of programmable parameters 51 output signal strength set the output signal level for fax modulation. Default setting: 10 dbm buffer length set the total size of the buffer for the t.38 process. To get the actual value, multiply the set value ten times. So, if the parameter is set to 50, the ac...

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    Table of programmable parameters 52 demodulation buffer set the size of the demodulation buffer. Default setting: 32 ms caution n the above mentioned parameters are used for precise setting and debugging of the t.38 modulation. Any unprofessional intervention may result in a modulation and/or fax ma...

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    Table of programmable parameters 53 save button push this button to save the new settings. Default button push this button to restore the default values (factory settings). Routing prefix enter the call type identifying prefixes (gsm, trunk, free, etc.). The others row is used for calls with prefixe...

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    Table of programmable parameters 54 add use the add parameter to enable automatic call forwarding. Define a string (prefix) to be added to the beginning of the number to be dialled. Setting options: 0–8 characters (0–9, *, #, +) default setting: empty extra set the pseudo tariff metering rules indep...

  • Page 55: Setup Menu > Wireless

    Table of programmable parameters 55 setup menu > wireless basic enable use this option to activate/deactivate the wifi network transmitter. Setting options: on/off default setting: off service set identifier (ssid) the ssid (service set identifier) is a wifi identifier transmitted to the users. It i...

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    Table of programmable parameters 56 rts the rts value gives the packet size limit in bytes below which the csma/ca and above which the rts/cts flow control should be used. Set the parameter to the maximum value in the ap mode. Setting options: 0–2,346 b setting step: 1 b default setting: 2,346 b fra...

  • Page 57: Setup Menu > Hotspot

    Table of programmable parameters 57 save button push this button to save the new settings. Default button push this button to restore the default values (factory settings). Setup menu > hotspot hotspot is a function allowing a user to access, on a time or data (fup) basis, the internet with the aid ...

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    Table of programmable parameters 58 default setting: disabled unit price (per hour) set the unit price for the ticket cost calculation. Setting options: 0-4294967295 (refer to the setting below for the position of the decimal separator) default setting: 0 decimal places define the position of the de...

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    Table of programmable parameters 59 append my mac add the mac address of pc to which the administrator is currently logged in to the table. Tickets overview of the generated tickets and their use – valid tickets only. History overview of the generated tickets and their use – including used and inval...

  • Page 60: Setup Menu > Network

    Table of programmable parameters 60 fup limit set the data transmission limit for the given ticket. The value included in the basic menu is displayed here. However, you can change the value any time during the ticket sale. Setting options: 1 kb – 100 gb default setting: 20 mb fup mode set the fup li...

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    Table of programmable parameters 61 default setting: disabled ip ip address assigned to 2n ® easyroute. Ask your internet provider or network administrator for the address. Setting options: valid ip address default setting: 192.168.111.1 network mask mask of the network in which 2n ® easyroute is op...

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    Table of programmable parameters 62 channel set the channel to be used in the particular wifi bandwidth (2.4/5 ghz) manually or automatically. Setting options: auto available channels default setting: auto transmission rate set the wifi interface transmission rate manually or automatically. The auto...

  • Page 63

    Table of programmable parameters 63 save button push this button to save the new settings. Default button push this button to restore the default values (factory settings). Wlan > security encryption set the 2n ® easyroute wifi interface security system. Setting options: off wep wpa wpa2 wpa+wpa2 de...

  • Page 64

    Table of programmable parameters 64 save button push this button to save the new settings. Default button push this button to restore the default values (factory settings). Back-up connection set the back-up connection switch parameters in this menu. You will need back- up connection when your main ...

  • Page 65

    Table of programmable parameters 65 timeout set the icmp sever response timeout. If no response is received within this timeout, an error is detected. Setting options: 1 – 10,000 ms default setting: 500 ms failure limit set the limit for error responses to ping queries. When this limit is reached, t...

  • Page 66

    Table of programmable parameters 66 check tcp enable/disable the check of tcp packets passing through the gateway. Setting options: on/off default setting: on syn-flood protection enable/disable protection against the syn-flood attack. This type of attack is based on sending of an excessive quantity...

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    Table of programmable parameters 67 target define the target destination to which packets routed to specified ports are forwarded. Obligatorily, the destination includes the ip address and the port. Setting options: valid ip address and port default setting: empty enable enable/disable port forwardi...

  • Page 68: Setup Menu > Services

    Table of programmable parameters 68 setup menu > services dhcp enable enable the dhcp (dynamic host configuration protocol) for 2n ® easyroute. With the dhcp enabled, the connected devices can be assigned ip addresses automatically from the required range. Setting options: on/off default setting: on...

  • Page 69

    Table of programmable parameters 69 maximum leases here define the maximum count of network devices that are assigned the ip address dynamically by the dchp. Further addresses may be assigned statically only. Setting options: 1–250 setting step: 1 default setting: 50 save button push this button to ...

  • Page 70

    Table of programmable parameters 70 default setting: 20 timeout time limit for the dns server response. If the dns server fails to respond within this timeout, a reply comes back saying that the address is unknown or invalid. Setting options: 1–30 s setting step: 1 s default setting: 10 s save butto...

  • Page 71

    Table of programmable parameters 71 save button push this button to save the new settings. Default button push this button to restore the default values (factory settings). Vrrp vrrp (virtual router redundancy protocol) is a protocol increasing the availability of the default gateway, which provides...

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    Table of programmable parameters 72 enable authentication enable/disable the use of another device-specifying parameter within the vrrp network. Authentication is a sort of safety lock against unintentional misuse of devices with identical ids rather than a password or unauthorised access prevention...

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    Table of programmable parameters 73 time zone set a time value for the given location (time zone). The gateway receives time data in the gmt (greenwich mean time) format from the ntp server, which is the prime meridian time. To set time for prague, for example, add 120 minutes in summer and 60 minut...

  • Page 74

    Table of programmable parameters 74 always accept remote host key enable this field to make the key acceptable before connecting to a server not used so far. If this field is not enabled, the server’s public key is checked for match with an earlier stored key when the server is used repeatedly and i...

  • Page 75

    Table of programmable parameters 75 port set the port number to which requirements of the device connected to 2n ® easyroute should be routed. Setting options: port number default setting: empty target set the ip address and port to which the connection is routed. Setting options: ip address:port nu...

  • Page 76

    Table of programmable parameters 76 notification a notification sms is sent when the set value is reached. The pings must come in a sequence to be considered. Erase statistics set the ping rate statistics deleting command. Min / mean / max time the counter showing the response returning time from th...

  • Page 77: Setup Menu > System

    Table of programmable parameters 77 warning n do not use the gre tunnel together with the wifi hotspot function. Setup menu > system password user name of the user whose password is to be changed. The gateway supports the admin user at present. Setting options: 1-31 alphanumeric characters default s...

  • Page 78

    Table of programmable parameters 78 apply button push this button to save the new settings. Firmware module information on the module version and date of issue. Bootloader information on the bootloader version and date of issue. Firmware 0/1 information on the firmware version, date of issue and dow...

  • Page 79

    Table of programmable parameters 79 default setting: off daylight saving time start set a month, week and day in the week for daylight saving time activation to optimise its use. Default setting: march, last week, sunday daylight saving time end set a month, week and day in the week for daylight sav...

  • Page 80

    Table of programmable parameters 80 configuration sms database push the export button to export the current sms database. A dialogue is invoked for you to select the storage on the disk. Push the select button to choose an earlier exported sms database. Having selected the database, you can push the...

  • Page 81

    Table of programmable parameters 81 imsi lock msi (international mobile subscriber identity) is a unique identification code for sim cards. Using the imsi lock, the gateway locks a selected sim card, rejecting the other ones. Capture this menu helps you capture events on your gateway network element...

  • Page 82

    Table of programmable parameters 82 report report type here select the type of the report to be displayed. Setting options: easyroute system reports of 2n telekomunikace program module (settings, calls, sms, etc.). Voip/fax system reports of 2n telekomunikace program module (registration, calls, fax...

  • Page 83: Function And

    83 4 4. Function and use this section describes the basic and extending functions of the 2n ® easyroute product. Here is what you can find in this section: n voice function n ethernet switch and wifi interface n sim card pin protection..

  • Page 84: 4.1  Voice Function

    Voice function 84 4.1 voice function outgoing and incoming call set-up procedures for an analogue telephone are described for illustration. Use the same procedures for the 2n ® easyroute–pbx connection, just remember to program call routing to 2n ® easyroute properly. Check the 2n ® easyroute functi...

  • Page 85

    Voice function 85 2n ® easyroute signals dialling end and starts establishing a call to the pre- programmed number automatically – from now on 2n ® easyroute behaves as if processing a standard outgoing call. Any dialling during the babycall timeout cancels this function and a standard outgoing call...

  • Page 86: Dynamic Network Assignment

    Ethernet switch and wifi interface 86 4.2 ethernet switch and wifi interface 2n ® easyroute is equipped with a 4-port fast ethernet switch and a wifi card. These interfaces allow a pc/lan to be connected to 2n ® easyroute. A proper network address and mask settings are needed for correct lan and int...

  • Page 87: Web Interface Pin Entering

    Sim card pin protection 87 4.3 sim card pin protection web interface pin entering like other parameters, the pin code can be entered using the 2n ® easyroute web interface. If you store the pin in the 2n ® easyroute memory using the web interface, the pin is entered automatically upon every gateway ...

  • Page 88: 4.4  Fax - Erf

    Fax - erf 88 4.4 fax - erf suppose the sim card is inserted, the pin entered or not requested, an antenna connected and 2n ® easyroute logged in to a gsm network – the umts/gsm network indicator is flashing and, having seized the line, you hear the dialtone. Suppose the voip account is configured an...

  • Page 89: Incoming Fax

    Fax - erf 89 5. When the called subscriber answers, the fax call is established. The line is switched into the t.38 mode and the fax transmission starts. During transmission you can hear the fax machine ‘beeping’. Beeping is normal; it is a sequence of predefined t.38 tones. The line indicator keeps...

  • Page 91: Technical

    91 5 5. Technical parameters this section describes the technical parameters of the 2n ® easyroute product..

  • Page 92: 5.1  Technical Parameters

    Technical parameters 92 5.1 technical parameters gsm umts/gsm module, umts/gsm bandwidth 850 / 1 900 / 2 100 mhz umts wcdma / hsdpa mc8790v 850 / 900 mhz egsm / gprs / edge 1 800/1 900 mhz gsm / gprs / edge 2 100 mhz umts wcdma / hsdpa mc8791v 850 / 900 mhz egsm / gprs / edge 1 800/1 900 mhz gsm / g...

  • Page 93: Power Supply

    Technical parameters 93 power supply mains supply 100–240 v/12 v; 2a adapter dc power supply 10 to 16v dc 12 v consumption standby 350 ma voice call 450 ma data connection 400 ma voice and data 500 ma supply connector dc jack 2.1 mm phone interface – basic version (er) interface type 2wire analogue ...

  • Page 94: Ethernet Switch

    Technical parameters 94 calling line identification clip during ringing according to etsi fsk / dtmf ethernet switch interface type 4-port fast ethernet switch 100mbps connector rj-45 wifi bandwidth 2,5 / 5 ghz standard 802.11a/b/g others dimensions (w/o connectors) 170×130×45 mm operating temperatu...

  • Page 95: Supplementary

    95 6 6. Supplementary information this section provides supplementary information on the product. Here is what you can find in this section: n directives and regulations; n troubleshooting; n list of abbreviations; n general instructions and cautions..

  • Page 96

    Directives and regulations 96 6.1 directives and regulations 2n ® easyroute conforms to the following directives and regulations: n directive 1999/5/ec of the european parliament and of the council, of 9 march 1999 – on radio equipment and telecommunications terminal equipment and the mutual recogni...

  • Page 97: 6.2  Troubleshooting

    Troubleshooting 97 6.2 troubleshooting for tips for the solution of other potential problems see faq.2n.Cz . ´ no led is on after power up. U check the power supply. ´ 2n ® easyroute is not logging into the gsm network. U check the sim card. U check the pin. U check the antenna connection. U select ...

  • Page 98

    List of abbreviations 98 6.3 list of abbreviations n apn (access point name) necessary for the gprs service. N clip (calling line identification presentation) n csd (circuit switched data) n com a pc serial port. N dtmf (dual tone multifrequency) tone dialling. N fsk (frequency shift keying) a trans...

  • Page 99

    List of abbreviations 99 n ttl (transistor-transistor logic) a standard digital technology defining voltage for levels 0 and 1. N pstn public switched telephone network. N lec (line echo canceller) an echo cancelling function during calls..

  • Page 100

    General instructions and cautions 100 6.4 general instructions and cautions please read this user manual carefully before using the product. Follow all instructions and recommendations included herein. Any use of the product that is in contradiction with the instructions provided herein may result i...

  • Page 101

    General instructions and cautions 101 electric waste and used battery pack handling do not place used electric devices and battery packs into municipal waste containers. An undue disposal thereof might impair the environment! Deliver your expired electric appliances and battery packs removed from th...

  • Page 102

    2n telekomunikace a.S. Modřanská 621, 143 01 prague 4 tel.: +420 261 301 500, fax: +420 261 301 599 e-mail: sales@2n.Cz web: www.2n.Cz 1571v1.02.