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Lancom 1722 VOIP User Manual - page 4

Other manuals for 1722 VOIP: User Manual

Summary of 1722 VOIP

  • Page 1

    110827/0810 lancom systems gmbh adenauerstr. 20/b2 52146 würselen germany e-mail: info@lancom.Eu internet www.Lancom.Eu lancom 1722 voip lancom 1723 voip lancom 1724 voip lancom 1823 voip lancom 1722 v oip – lancom 1723 v oip lancom 1724 v oip – lancom 1823 v oip 쮿 handbuch 쮿 manual . . . C o n n e ...

  • Page 2: Lancom 1722 Voip

    Lancom 1722 voip lancom 1723 voip lancom 1724 voip lancom 1823 voip.

  • Page 3

    © 2010 lancom systems gmbh, wuerselen (germany). All rights reserved. While the information in this manual has been compiled with great care, it may not be deemed an assurance of product characteristics. Lancom systems shall be liable only to the degree specified in the terms of sale and delivery. T...

  • Page 4: Preface

    Lancom 1722 voip – lancom 1723 voip – lancom 1724 voip – lancom 1823 voip preface 3 en preface thank you for your confidence in us! Lancom voip routers provide the comprehensive functions of an access router, professional firewall and high-quality vpn gateway and wlan access point in a single, compa...

  • Page 5

    Lancom 1722 voip – lancom 1723 voip – lancom 1724 voip – lancom 1823 voip preface 4 en intelligent call routing and number translation support of point-to-point and point-to-multipoint connections to the isdn network multiple configurable isdn interfaces (nt/te), some with life-line support and powe...

  • Page 6

    Lancom 1722 voip – lancom 1723 voip – lancom 1724 voip – lancom 1823 voip preface 5 en installation guide user manual pbx functions manual menu reference guide you are now reading the user manual. It contains all information you need to put your device into operation. It also contains all of the imp...

  • Page 7

    Lancom 1722 voip – lancom 1723 voip – lancom 1724 voip – lancom 1823 voip chapter : 6 en this documentation was created by … ... Several members of our staff from a variety of departments in order to ensure you the best possible support when using your lancom product. Should you find any errors, or ...

  • Page 8: Contents

    Lancom 1722 voip – lancom 1723 voip – lancom 1724 voip – lancom 1823 voip contents 7 en contents 1 introduction 11 1.1 how do adsl and adsl 2+ work? 11 1.2 what does vpn offer? 13 1.3 firewall 14 1.4 voice over ip 15 1.4.1 example applications 15 1.4.2 the central position of the lancom voip router ...

  • Page 9

    Lancom 1722 voip – lancom 1723 voip – lancom 1724 voip – lancom 1823 voip contents 8 en 4 setting up internet access 61 4.1 the internet connection wizard 63 4.1.1 instructions for lanconfig 63 4.1.2 instructions for webconfig 64 5 configuring the voip functions 65 6 connecting two networks 66 6.1 w...

  • Page 10

    Lancom 1722 voip – lancom 1723 voip – lancom 1724 voip – lancom 1823 voip contents 9 en 8 advanced wireless lan configuration 81 8.1 wlan configuration with the wizards in lanconfig 81 8.2 point-to-point connections 83 8.2.1 geometric dimensioning of outdoor wireless network links 83 8.2.2 antenna a...

  • Page 11

    Lancom 1722 voip – lancom 1723 voip – lancom 1724 voip – lancom 1823 voip contents 10 en 11 security settings 110 11.1 security in the wireless lan 110 11.1.1 encrypted data transfer 110 11.1.2 802.1x / eap 113 11.1.3 lancom enhanced passphrase security 113 11.1.4 access control by mac address 114 1...

  • Page 12: 1 Introduction

    Lancom 1722 voip – lancom 1723 voip – lancom 1724 voip – lancom 1823 voip chapter 1: introduction 11 en 1 introduction lancom voip routers are fully functional routers with an integrated firewall to provide local networks with secure access to the internet. With the vpn option included, these device...

  • Page 13

    Lancom 1722 voip – lancom 1723 voip – lancom 1724 voip – lancom 1823 voip chapter 1: introduction 12 en to satisfy the strongly increasing demand for higher bandwidths, the stand- ards adsl 2 and adsl 2+ provider higher data rates as a basis for applica- tions such as video streaming or high-definit...

  • Page 14

    Lancom 1722 voip – lancom 1723 voip – lancom 1724 voip – lancom 1823 voip chapter 1: introduction 13 en you of the version you need. These devices cannot be altered or upgraded to a system other than that for which it is equipped. There are even adsl-over-isdn connections which are not combined with...

  • Page 15

    Lancom 1722 voip – lancom 1723 voip – lancom 1724 voip – lancom 1823 voip chapter 1: introduction 14 en the internet is available virtually everywhere and typically has low access costs. Significant savings can thus be achieved in relation to switched or ded- icated connections, especially over long...

  • Page 16

    Lancom 1722 voip – lancom 1723 voip – lancom 1724 voip – lancom 1823 voip chapter 1: introduction 15 en attempts to break in to the local network or central firewall are recog- nized, repelled and recorded by the intrusion detection system (ids) in the lancom. There is a choice of alarms including i...

  • Page 17

    Lancom 1722 voip – lancom 1723 voip – lancom 1724 voip – lancom 1823 voip chapter 1: introduction 16 en operation as a pbx in many cases, lancom voip routers can completely replace a local pbx. With up to eight voice channels (e.G. Lancom 1724 voip) to landlines, the possibility to use sip accounts ...

  • Page 18

    Lancom 1722 voip – lancom 1723 voip – lancom 1724 voip – lancom 1823 voip chapter 1: introduction 17 en telephone calls over the pbx and the telephones connected to it remain pos- sible just as before; the telephones remain available under the familiar tele- phone numbers. This application additiona...

  • Page 19

    Lancom 1722 voip – lancom 1723 voip – lancom 1724 voip – lancom 1823 voip chapter 1: introduction 18 en codes to decide upon the switching of a call either via the isdn interface, or via the internet as a voip call. Connecting subsidiaries or home offices to the headquarters many subsidiaries or hom...

  • Page 20

    Lancom 1722 voip – lancom 1723 voip – lancom 1724 voip – lancom 1823 voip chapter 1: introduction 19 en voip for companies through sip trunking one of the biggest hurdles for companies that fully migrate to voip is to main- tain the existing telephone numbers. Normal provider sip accounts come with ...

  • Page 21

    Lancom 1722 voip – lancom 1723 voip – lancom 1724 voip – lancom 1823 voip chapter 1: introduction 20 en advantages of the sip remote gateway: the local telephone connection at any site is available for use by any of the offices throughout the entire company. National and international long-distance ...

  • Page 22

    Lancom 1722 voip – lancom 1723 voip – lancom 1724 voip – lancom 1823 voip chapter 1: introduction 21 en 1.4.2 the central position of the lancom voip router lancom voip router take up a central position in the switching of telephone calls between internal and external subscribers over the different ...

  • Page 23

    Lancom 1722 voip – lancom 1723 voip – lancom 1724 voip – lancom 1823 voip chapter 1: introduction 22 en users and lines telephony subscribers in internal areas can take part in voice communications and, in the lancom voip environment, are referred to as "users". The lancom differentiates between: is...

  • Page 24

    Lancom 1722 voip – lancom 1723 voip – lancom 1724 voip – lancom 1823 voip chapter 1: introduction 23 en isdn a connection to an isdn ntba over the te interface. The nt interface can additionally be used to connect isdn terminal devices directly or via a downstream isdn pbx. Analog a connection to an...

  • Page 25

    Lancom 1722 voip – lancom 1723 voip – lancom 1724 voip – lancom 1823 voip chapter 1: introduction 24 en the precise number of users and lines available varies between mod- els and software options. 1.4.3 voip characteristics of the lancom voip routers multiple isdn/analog interfaces the isdn/analog ...

  • Page 26

    Lancom 1722 voip – lancom 1723 voip – lancom 1724 voip – lancom 1823 voip chapter 1: introduction 25 en equipment connected to an isdn connection can be addressed in two ways: the devices are addressed with a multiple subscriber number (msn) that is linked to the isdn connection and cannot be influe...

  • Page 27

    Lancom 1722 voip – lancom 1723 voip – lancom 1724 voip – lancom 1823 voip chapter 1: introduction 26 en lan-lan coupling over isdn ✔ ✔ ✔ ✔ ras server (over vpn) ✔ ✔ ✔ ✔ ras server (over isdn) ✔ ✔ ✔ ✔ ip router ✔ ✔ ✔ ✔ netbios proxy for coupling microsoft peer-to-peer networks over isdn ✔ ✔ ✔ ✔ dhcp-...

  • Page 28

    Lancom 1722 voip – lancom 1723 voip – lancom 1724 voip – lancom 1823 voip chapter 1: introduction 27 en sip proxy and registrar management of local sip users (registra- tion/authentication) ✔ ✔ ✔ ✔ mapping of public sip-provider accounts as telephone lines ✔ ✔ ✔ ✔ sip trunking for mapping sip accoun...

  • Page 29

    Lancom 1722 voip – lancom 1723 voip – lancom 1724 voip – lancom 1823 voip chapter 1: introduction 28 en inband tone signaling according to euro- pean and german standards with country profiles ✔ ✔ ✔ ✔ call router central switching of all connections (sip and isdn/analog) ✔ ✔ ✔ ✔ number translation b...

  • Page 30

    Lancom 1722 voip – lancom 1723 voip – lancom 1724 voip – lancom 1823 voip chapter 1: introduction 29 en isdn s 0 connection in te mode for connecting the lancom voip router to an external isdn connection, e.G. To an ntba or to an upstream isdn pbx. Switchable to nt mode. 1 ✔ 1 ✔ 2 ✔ 1 ✔ power relay;...

  • Page 31

    Lancom 1722 voip – lancom 1723 voip – lancom 1724 voip – lancom 1823 voip chapter 1: introduction 30 en super ag incl. Hardware compression and bursting ✔ multi ssid ✔ roaming function ✔ 802.11i / wpa with hardware aes encryption ✔ wep encryption (up to 128-bit key lengths, wep152) ✔ ieee 802.1x/eap...

  • Page 32

    Lancom 1722 voip – lancom 1723 voip – lancom 1724 voip – lancom 1823 voip chapter 1: introduction 31 en ip masquerading (nat, pat) to conceal individual lan worksta- tions behind a single public ip address. ✔ ✔ ✔ ✔ stateful-inspection firewall ✔ ✔ ✔ ✔ firewall filter for blocking individual ip addre...

  • Page 33

    Lancom 1722 voip – lancom 1723 voip – lancom 1724 voip – lancom 1823 voip chapter 1: introduction 32 en lancom modem adapter kit for connecting analog or gsm modems to the serial interface ✔ ✔ ✔ ✔ 19" rackmount adapter ✔ ✔ ✔ ✔ lancom es-1108p poe switch for ethernet cabling; simultaneously supplies ...

  • Page 34: 2 Installation

    Lancom 1722 voip – lancom 1723 voip – lancom 1724 voip – lancom 1823 voip chapter 2: installation 33 en 2 installation this chapter will assist you to quickly install hardware and software. First, check the package contents and system requirements. The device can be installed and configured quickly ...

  • Page 35

    Lancom 1722 voip – lancom 1723 voip – lancom 1724 voip – lancom 1823 voip chapter 2: installation 34 en 2.2 system requirements 2.2.1 configuring the lancom devices computers that connect to a lancom must meet the following minimum requirements: operating system with tcp/ip support, such as windows,...

  • Page 36

    Lancom 1722 voip – lancom 1723 voip – lancom 1724 voip – lancom 1823 voip chapter 2: installation 35 en front status displays on the front of the device provide information about opera- tional and connection status: lancom 1722 voip lancom 1723 voip lancom 1724 voip lancom 1823 voip lancom lancom 17...

  • Page 37

    Lancom 1722 voip – lancom 1723 voip – lancom 1724 voip – lancom 1823 voip chapter 2: installation 36 en top the two top-mounted leds enable the main function status to be assessed even if the device is positioned vertically. Meanings of the leds in the following sections we will use different terms ...

  • Page 38

    Lancom 1722 voip – lancom 1723 voip – lancom 1724 voip – lancom 1823 voip chapter 2: installation 37 en the power led blinks alternately in red/green until a configuration password has been set. Without a configuration password, the con- figuration data in the lancom is unprotected. Normally you wou...

  • Page 39

    Lancom 1722 voip – lancom 1723 voip – lancom 1724 voip – lancom 1823 voip chapter 2: installation 38 en online the online led displays the general status of all wan interfaces: adsl connection status at the adsl connector: off no active connection green flashing opening the first connection green in...

  • Page 40

    Lancom 1722 voip – lancom 1723 voip – lancom 1724 voip – lancom 1823 voip chapter 2: installation 39 en isdn status display for the isdn interfaces: if the led of an isdn interface automatically goes off in te mode, this does not indicate an error at the s 0 bus. It is in fact because several isdn c...

  • Page 41

    Lancom 1722 voip – lancom 1723 voip – lancom 1724 voip – lancom 1823 voip chapter 2: installation 40 en analog (⌧) connection status at the analog exchange line: eth lan connector status in the integrated switch: wlan link provides information about the wlan connections via the internal wlan modules...

  • Page 42

    Lancom 1722 voip – lancom 1723 voip – lancom 1724 voip – lancom 1823 voip chapter 2: installation 41 en wlan data provides information about the data traffic at the internal wlan modules. The following can be displayed for wlan data: vpn status of a vpn connection. 2.3.2 device connectors the connec...

  • Page 43

    Lancom 1722 voip – lancom 1723 voip – lancom 1724 voip – lancom 1823 voip chapter 2: installation 42 en lancom 1724 voip lancom 1823 voip only lancom 1823 voip aux connector for the wlan module. The aux connectors are used for connecting the diversity antennas. Not including lancom 1823 voip power s...

  • Page 44

    Lancom 1722 voip – lancom 1723 voip – lancom 1724 voip – lancom 1823 voip chapter 2: installation 43 en for safety reasons, interface isdn 2 on the models lancom 1723 voip and lancom 1823 voip must not be directly or indirectly con- nected to an external exchange (e.G. The telephone network)! Combin...

  • Page 45

    Lancom 1722 voip – lancom 1723 voip – lancom 1724 voip – lancom 1823 voip chapter 2: installation 44 en reset-or-boot (standard setting): press the button briefly to re-start the device. Pressing the button for 5 seconds or longer restarts the device and resets the configuration to its factory setti...

  • Page 46

    Lancom 1722 voip – lancom 1723 voip – lancom 1724 voip – lancom 1823 voip chapter 2: installation 45 en avoid having multiple unconfigured lancoms at once within a single network segment. Any unconfigured lancom takes on the same ip address (ending in '254'), and so address conflicts could arise. To...

  • Page 47

    Lancom 1722 voip – lancom 1723 voip – lancom 1724 voip – lancom 1823 voip chapter 2: installation 46 en adapter (rj11 socket to tae plug) or in case of uk no. 431a socket type the uk fxs adapter (rj11 socket to bat plug) if supplied. Connecting analog terminal equipment—use an analog interface (fxs)...

  • Page 48

    Lancom 1722 voip – lancom 1723 voip – lancom 1724 voip – lancom 1823 voip chapter 2: installation 47 en 2.5 configuring the isdn and analog interfaces lancom voip router routers feature several interfaces for connection to isdn or analog exchange lines, or for connecting isdn or analog terminal equi...

  • Page 49

    Lancom 1722 voip – lancom 1723 voip – lancom 1724 voip – lancom 1823 voip chapter 2: installation 48 en if the setup does not start automatically, run autorun.Exe in the root directory of the data medium. In setup, select install software. The following selection menus will appear on screen:.

  • Page 50

    Lancom 1722 voip – lancom 1723 voip – lancom 1724 voip – lancom 1823 voip chapter 2: installation 49 en 2.6.2 which software should i install? Lanconfig is the windows configuration program for all lancom routers and lancom access points. Webconfig can be used alterna- tively or in addition via a we...

  • Page 51: 3 Basic Configuration

    Lancom 1722 voip – lancom 1723 voip – lancom 1724 voip – lancom 1823 voip chapter 3: basic configuration 50 en 3 basic configuration the basic configuration is conducted with a convenient setup wizard that provides step-by-step guidance through the configuration and that requests any necessary infor...

  • Page 52

    Lancom 1722 voip – lancom 1723 voip – lancom 1724 voip – lancom 1823 voip chapter 3: basic configuration 51 en new lan – fully automatic configuration possible the setup wizard offers to configure tcp/ip fully automatically if no network devices connected have yet been configured. This usually happe...

  • Page 53

    Lancom 1722 voip – lancom 1723 voip – lancom 1724 voip – lancom 1823 voip chapter 3: basic configuration 52 en client: the lancom voip router obtains its address information from another dhcp server; no address information is required. Ip address and network mask for the lancom voip router assign th...

  • Page 54

    Lancom 1722 voip – lancom 1723 voip – lancom 1724 voip – lancom 1823 voip chapter 3: basic configuration 53 en open or closed wireless lan? Mobile wireless devices select the desired wireless lan by specifying the net- work name. Two methods serve to facilitate the specification of network name: mob...

  • Page 55

    Lancom 1722 voip – lancom 1723 voip – lancom 1724 voip – lancom 1823 voip chapter 3: basic configuration 54 en in the basic settings, charge protection is set to a maximum value of 600 minutes in any seven day period. Please adjust this parameter to match your own requirements, or deactivate charge ...

  • Page 56

    Lancom 1722 voip – lancom 1723 voip – lancom 1724 voip – lancom 1823 voip chapter 3: basic configuration 55 en be aware that releasing this option also allows remote configuration over the internet. Whichever option you select, make sure that con- figuration access is password protected. Charge prot...

  • Page 57

    Lancom 1722 voip – lancom 1723 voip – lancom 1724 voip – lancom 1823 voip chapter 3: basic configuration 56 en the second operating mode, the device can retrieve an ip address for itself from a dhcp server in the lan. If a lancom wireless router or lancom access point is centrally managed from a lan...

  • Page 58

    Lancom 1722 voip – lancom 1723 voip – lancom 1724 voip – lancom 1823 voip chapter 3: basic configuration 57 en dows or with command ifconfig in the console under linux). In this case, the lancom can be accessed with address x.X.X.254 (the “x”s stand for the first three blocks in the ip address of th...

  • Page 59

    Lancom 1722 voip – lancom 1723 voip – lancom 1724 voip – lancom 1823 voip chapter 3: basic configuration 58 en as an alternative, the login dialog provides a link for an encrypted connection over https. Always use the https connection for increased security whenever possible. Setup wizards the setup...

  • Page 60

    Lancom 1722 voip – lancom 1723 voip – lancom 1724 voip – lancom 1823 voip chapter 3: basic configuration 59 en 3.4 tcp/ip settings for pc workstations it is extremely important to assign the correct addresses to all of the devices in the lan. Also, all of these computers must know the ip addresses o...

  • Page 61

    Lancom 1722 voip – lancom 1723 voip – lancom 1724 voip – lancom 1823 voip chapter 3: basic configuration 60 en.

  • Page 62

    Lancom 1722 voip – lancom 1723 voip – lancom 1724 voip – lancom 1823 voip chapter 4: setting up internet access 61 en 4 setting up internet access the lancom provides a central point of internet access for all of the comput- ers in the lan. Which wan interface? Setting up the internet access is carr...

  • Page 63

    Lancom 1722 voip – lancom 1723 voip – lancom 1724 voip – lancom 1823 voip chapter 4: setting up internet access 62 en billing by time or flatrate – select the method by which you are billed by your internet provider. In case of billing by time, you can set the lancom to cut connections automatically...

  • Page 64

    Lancom 1722 voip – lancom 1723 voip – lancom 1724 voip – lancom 1823 voip chapter 4: setting up internet access 63 en 4.1 the internet connection wizard 4.1.1 instructions for lanconfig mark your device in the selection window. From the command line, select extras setup wizard. In the selection menu...

  • Page 65

    Lancom 1722 voip – lancom 1723 voip – lancom 1724 voip – lancom 1823 voip chapter 4: setting up internet access 64 en the wizard will inform you as soon as the entries are complete. Close the configuration with finish. 4.1.2 instructions for webconfig select the entry set up internet connection from...

  • Page 66

    Lancom 1722 voip – lancom 1723 voip – lancom 1724 voip – lancom 1823 voip chapter 5: configuring the voip functions 65 en 5 configuring the voip functions if you wish to employ the lancom voip router as a pbx, you should initially carry out the basic settings and then read the manual on the voip pbx...

  • Page 67: 6 Connecting Two Networks

    Lancom 1722 voip – lancom 1723 voip – lancom 1724 voip – lancom 1823 voip chapter 6: connecting two networks 66 en 6 connecting two networks network connectivity, also known as lan-lan connectivity, with the lancom router is used for interconnecting two local area networks. Lan- lan connectivity can...

  • Page 68

    Lancom 1722 voip – lancom 1723 voip – lancom 1724 voip – lancom 1823 voip chapter 6: connecting two networks 67 en 6.1 which details are necessary? The wizard requests you for all of the necessary details step by step. If possi- ble, you should have all of this information to hand before you start t...

  • Page 69

    Lancom 1722 voip – lancom 1723 voip – lancom 1724 voip – lancom 1823 voip chapter 6: connecting two networks 68 en notes on the different settings: if you own device features an isdn connection, the wizard will ask you whether the remote site also has one. For vpn connections over the internet, the ...

  • Page 70

    Lancom 1722 voip – lancom 1723 voip – lancom 1724 voip – lancom 1823 voip chapter 6: connecting two networks 69 en channel from the caller. An isdn id generally consists of the country code and an msn. The password for the isdn connection is an alternative to the isdn calling line id. This is used t...

  • Page 71

    Lancom 1722 voip – lancom 1723 voip – lancom 1724 voip – lancom 1823 voip chapter 6: connecting two networks 70 en dns access to the remote lan remote computers in a tcp/ip network can be accessed not only with their ip addresses, but also by freely definable names with the aid of dns. For example, ...

  • Page 72

    Lancom 1722 voip – lancom 1723 voip – lancom 1724 voip – lancom 1823 voip chapter 6: connecting two networks 71 en 6.2 instructions for lanconfig carry out the configuration on both routers, one after the other. Launch the wizard 'connect two local area networks'. Follow the wizard’s instructions an...

  • Page 73

    Lancom 1722 voip – lancom 1723 voip – lancom 1724 voip – lancom 1823 voip chapter 6: connecting two networks 72 en 6.3 1-click-vpn for networks (site-to- site) the site-to-site-to-site connectivity of networks is now very simple with the help of the 1-click-vpn wizard. It is even possible to simulta...

  • Page 74

    Lancom 1722 voip – lancom 1723 voip – lancom 1724 voip – lancom 1823 voip chapter 6: connecting two networks 73 en select whether connection establishment is to take place via the name or ip address of the central router, or via an isdn connection. Enter the address or name of the central router, or...

  • Page 75

    Lancom 1722 voip – lancom 1723 voip – lancom 1724 voip – lancom 1823 voip chapter 7: providing dial- in access 74 en 7 providing dial- in access your lancom can be set up with dial-in access accounts enabling individual computers to dial-in to your lan and fully participate in the network for the du...

  • Page 76

    Lancom 1722 voip – lancom 1723 voip – lancom 1724 voip – lancom 1823 voip chapter 7: providing dial- in access 75 en 7.1.1 general information the following information is required for setting up ras access. The first col- umn shows whether the information for ras access is required via vpn (sim- pl...

  • Page 77

    Lancom 1722 voip – lancom 1723 voip – lancom 1724 voip – lancom 1823 voip chapter 7: providing dial- in access 76 en you will find information on the other parameters required for ras access in the chapter 'connecting two networks'. 7.1.2 settings for tcp/ip tcp/ip requires that every active ras is ...

  • Page 78

    Lancom 1722 voip – lancom 1723 voip – lancom 1724 voip – lancom 1823 voip chapter 7: providing dial- in access 77 en 7.1.3 settings for netbios routing when working with netbios, the only information required is the name of a windows workgroup in the lan used by the router. The connection is not est...

  • Page 79

    Lancom 1722 voip – lancom 1723 voip – lancom 1724 voip – lancom 1823 voip chapter 7: providing dial- in access 78 en assignment of ip address and name server address activated 'ip header compression' deactivated with these settings, a pc can dial-in to the remote lan and access the net- work resourc...

  • Page 80

    Lancom 1722 voip – lancom 1723 voip – lancom 1724 voip – lancom 1823 voip chapter 7: providing dial- in access 79 en activate the options 'lancom advanced vpn client' and 'speed up con- figuration with 1-click-vpn'. Enter a name for this access and select the address under which the router is access...

  • Page 81

    Lancom 1722 voip – lancom 1723 voip – lancom 1724 voip – lancom 1823 voip chapter 7: providing dial- in access 80 en 7.5 instructions for webconfig in the main menu, launch the wizard 'provide remote access (ras)'. Fol- low the wizard’s instructions and enter the necessary data. Configure the access...

  • Page 82

    Lancom 1722 voip – lancom 1723 voip – lancom 1724 voip – lancom 1823 voip chapter 8: advanced wireless lan configuration 81 en 8 advanced wireless lan configuration the configuration of the lancom access points for your wireless lan is con- ducted with the aid of highly convenient installation wizar...

  • Page 83

    Lancom 1722 voip – lancom 1723 voip – lancom 1724 voip – lancom 1823 voip chapter 8: advanced wireless lan configuration 82 en wlan module operation the wlan modules can be operated in various operating modes: as a base station (access point mode), the device makes the link between wlan clients and ...

  • Page 84

    Lancom 1722 voip – lancom 1723 voip – lancom 1724 voip – lancom 1823 voip chapter 8: advanced wireless lan configuration 83 en point- to-point settings the configuration of p2p connections involves setting not only the operating mode but also the station name that the access point can connect to. Al...

  • Page 85

    Lancom 1722 voip – lancom 1723 voip – lancom 1724 voip – lancom 1823 voip chapter 8: advanced wireless lan configuration 84 en how do the antennas have to be positioned to ensure problem-free con- nections? What performance characteristics do the antennas need to ensure suffi- cient data throughput ...

  • Page 86

    Lancom 1722 voip – lancom 1723 voip – lancom 1724 voip – lancom 1823 voip chapter 8: advanced wireless lan configuration 85 en positioning the antennas antennas do not broadcast their signals linearly, but within an angle that depends on the model in question. The spherical expansion of the signal w...

  • Page 87

    Lancom 1722 voip – lancom 1723 voip – lancom 1724 voip – lancom 1823 voip chapter 8: advanced wireless lan configuration 86 en the areas where the waves amplify or cancel themselves out are known as fresnel zones. The fresnel zone 1 must remain free from obstruction in order to ensure that the maxim...

  • Page 88

    Lancom 1722 voip – lancom 1723 voip – lancom 1724 voip – lancom 1823 voip chapter 8: advanced wireless lan configuration 87 en to ensure that the fresnel zone 1 remains unobstructed, the height of the antennas must exceed that of the highest obstruction by this radius. The full height of the antenna...

  • Page 89

    Lancom 1722 voip – lancom 1723 voip – lancom 1724 voip – lancom 1823 voip chapter 8: advanced wireless lan configuration 88 en 8.2.2 antenna alignment for p2p operations the precise alignment of the antennas is of considerable importance in estab- lishing p2p connections. The more central the receiv...

  • Page 90

    Lancom 1722 voip – lancom 1723 voip – lancom 1724 voip – lancom 1823 voip chapter 8: advanced wireless lan configuration 89 en the display of signal quality on the leds must be activated for the wireless lan interface (lanconfig: wireless lan general physical wlan settings operation). The faster the...

  • Page 91

    Lancom 1722 voip – lancom 1723 voip – lancom 1724 voip – lancom 1823 voip chapter 8: advanced wireless lan configuration 90 en are both antennas approximately aligned? The basic p2p connection has to be working before fine-tuning can be performed with the aid of lanmonitor. Once signal monitoring ha...

  • Page 92

    Lancom 1722 voip – lancom 1723 voip – lancom 1724 voip – lancom 1823 voip chapter 8: advanced wireless lan configuration 91 en in the 5 -ghz band, the automatic search for vacant wlan channels can lead to several simultaneous test transmissions from multiple access points, with the result that they ...

  • Page 93

    Lancom 1722 voip – lancom 1723 voip – lancom 1724 voip – lancom 1823 voip chapter 8: advanced wireless lan configuration 92 en click on the button physical wlan settings to open the corresponding wlan interface and select the tab for 'point-to-point'. Activate the suitable point-to-point operation m...

  • Page 94

    Lancom 1722 voip – lancom 1723 voip – lancom 1724 voip – lancom 1823 voip chapter 8: advanced wireless lan configuration 93 en please observe that only the mac addresses of the wlan cards at the other end of the connections are to be entered here! Not the access point's own mac address, and not the ...

  • Page 95

    Lancom 1722 voip – lancom 1723 voip – lancom 1724 voip – lancom 1823 voip chapter 8: advanced wireless lan configuration 94 en lanconfig: wireless lan general point to point partners webconfig: setup interfaces wlan interpoint peers 8.2.6 security for point- to- point connections ieee 802.11i can be...

  • Page 96

    Lancom 1722 voip – lancom 1723 voip – lancom 1724 voip – lancom 1823 voip chapter 8: advanced wireless lan configuration 95 en for configuration with lanconfig you will find the encryption settings under the configuration area 'wireless lan' on the '802.11i/wep' tab. Leps for p2p connections a furth...

  • Page 97

    Lancom 1722 voip – lancom 1723 voip – lancom 1724 voip – lancom 1823 voip chapter 8: advanced wireless lan configuration 96 en 8.3 client mode to connect individual devices with an ethernet interface into a wireless lan, lancom devices with a wlan module can be switched to "client mode", whereupon t...

  • Page 98

    Lancom 1722 voip – lancom 1723 voip – lancom 1724 voip – lancom 1823 voip chapter 8: advanced wireless lan configuration 97 en to edit the settings for client mode in lanconfig, go to the 'client mode' tab under the physical wlan settings for the desired wlan interface. In 'scan bands', define wheth...

  • Page 99

    Lancom 1722 voip – lancom 1723 voip – lancom 1724 voip – lancom 1823 voip chapter 8: advanced wireless lan configuration 98 en to enter the key, change to the '802.11i/wep' tab under lanconfig in the 'wireless lan' configuration area. From 'wpa / private wep settings', select the first wlan interfac...

  • Page 100

    Lancom 1722 voip – lancom 1723 voip – lancom 1724 voip – lancom 1823 voip chapter 8: advanced wireless lan configuration 99 en under normal circumstances the wlan client would only log onto another access point if the connection to the access point used up to that point was lost completely (hard roa...

  • Page 101

    Lancom 1722 voip – lancom 1723 voip – lancom 1724 voip – lancom 1823 voip chapter 8: advanced wireless lan configuration 100 en active band for available access points. To achieve fast roaming the scan time is set, for example, to 260 seconds (2.4 ghz) or 720 seconds (5 ghz)..

  • Page 102

    Lancom 1722 voip – lancom 1723 voip – lancom 1724 voip – lancom 1823 voip chapter 9: sending faxes with lancapi 101 en 9 sending faxes with lancapi lancapi from lancom systems is a special version of the popular capi inter- face. Capi (common isdn application programming interface) establishes the c...

  • Page 103

    Lancom 1722 voip – lancom 1723 voip – lancom 1724 voip – lancom 1823 voip chapter 9: sending faxes with lancapi 102 en the installation of the lancapi client is described in the reference manual. This chapter shows the installation of lancom capi faxmodem and ms win- dows fax service. While the capi...

  • Page 104

    Lancom 1722 voip – lancom 1723 voip – lancom 1724 voip – lancom 1823 voip chapter 9: sending faxes with lancapi 103 en highlight the option capi faxmodem, click next and follow the instruc- tions of the installation routine. When the installation was successful, the lancom capi faxmodem is ente- red...

  • Page 105

    Lancom 1722 voip – lancom 1723 voip – lancom 1724 voip – lancom 1823 voip chapter 9: sending faxes with lancapi 104 en select the option set up faxing from the window ’printers and fax’. Fol- low, if necessary, the instructions of the installation tool. Into the recent window, an icon will appear fo...

  • Page 106

    Lancom 1722 voip – lancom 1723 voip – lancom 1724 voip – lancom 1823 voip chapter 9: sending faxes with lancapi 105 en adjust the fax device as printer. Click on ok. A wizard appears, that will guide you through the remaining sending process. 9.3.2 send a fax with the ms windows fax service open the...

  • Page 107: 10 Options and Accessories

    Lancom 1722 voip – lancom 1723 voip – lancom 1724 voip – lancom 1823 voip chapter 10: options and accessories 106 en 10 options and accessories your lancom device has numerous extensibilities and the possibility to use a broad choice of lancom accessories. You find in this chapter information about ...

  • Page 108

    Lancom 1722 voip – lancom 1723 voip – lancom 1724 voip – lancom 1823 voip chapter 10: options and accessories 107 en 10.1.1 antenna diversity the transmission of radio signals can suffer from significant signal losses because of reflection and scatter, among other reasons. In some areas, the interac...

  • Page 109

    Lancom 1722 voip – lancom 1723 voip – lancom 1724 voip – lancom 1823 voip chapter 10: options and accessories 108 en damage to the access point and the network infrastructure connected to it. To install an optional airlancer antenna, switch the device off by unplugging the power cable. Now carefully...

  • Page 110

    Lancom 1722 voip – lancom 1723 voip – lancom 1724 voip – lancom 1823 voip chapter 10: options and accessories 109 en working in the home. However, for public access services the standard setup lacks important mechanisms for authentication and billing of individual users (aaa — authentication, author...

  • Page 111: 11 Security Settings

    Lancom 1722 voip – lancom 1723 voip – lancom 1724 voip – lancom 1823 voip chapter 11: security settings 110 en 11 security settings your lancom features numerous security functions. This chapter provides you with all of the information you need to optimally protect your device. You can carry out the...

  • Page 112

    Lancom 1722 voip – lancom 1723 voip – lancom 1724 voip – lancom 1823 voip chapter 11: security settings 111 en the passphrases for 802.11i or wpa do not have to be changed quite so regularly as new keys are generated for each connection anyway. This is not the only reason that the encryption with 80...

  • Page 113

    Lancom 1722 voip – lancom 1723 voip – lancom 1724 voip – lancom 1823 voip chapter 11: security settings 112 en standard encryption with wpa- psk the factory settings (or those after resetting the device) are different in lancom access points than in lancom wireless routers. Unconfigured access point...

  • Page 114

    Lancom 1722 voip – lancom 1723 voip – lancom 1724 voip – lancom 1823 voip chapter 11: security settings 113 en 11.1.2 802.1x / eap the international industry standard ieee 802.1x and the extensible authenti- cation protocol (eap) enable access points to carry out reliable and secure access checks. T...

  • Page 115

    Lancom 1722 voip – lancom 1723 voip – lancom 1724 voip – lancom 1823 voip chapter 11: security settings 114 en 11.1.4 access control by mac address every network device has a unique identification number. This identification number is known as the mac address (media access control) and it is unique ...

  • Page 116

    Lancom 1722 voip – lancom 1723 voip – lancom 1724 voip – lancom 1823 voip chapter 11: security settings 115 en 11.2.1 lanconfig wizard mark your lancom in the selection window. From the command line, select extras setup wizard. In the selection menu, select the setup wizard, check security settings ...

  • Page 117

    Lancom 1722 voip – lancom 1723 voip – lancom 1724 voip – lancom 1823 voip chapter 11: security settings 116 en 11.2.2 webconfig wizard with webconfig you have the option to launch the check security settings wizard to check and change any settings. The following values are edited: device password th...

  • Page 118

    Lancom 1722 voip – lancom 1723 voip – lancom 1724 voip – lancom 1823 voip chapter 11: security settings 117 en a lancom wlan controller is overwritten by the central encryption settings in the profiles of the wlan-controller. To check encryption settings, open lanconfig, go to the configuration area...

  • Page 119

    Lancom 1722 voip – lancom 1723 voip – lancom 1724 voip – lancom 1823 voip chapter 11: security settings 118 en have you activated the firewall? The stateful inspection firewall of lancom devices ensures that you local network cannot be attacked from the outside. Activate the firewall in lanconfig un...

  • Page 120

    Lancom 1722 voip – lancom 1723 voip – lancom 1724 voip – lancom 1823 voip chapter 11: security settings 119 en have you excluded certain stations from accessing the device? A special filter list can be used to limit access to the device's internal func- tions via tcp/ip. The phrase "internal functio...

  • Page 121

    Lancom 1722 voip – lancom 1723 voip – lancom 1724 voip – lancom 1823 voip chapter 11: security settings 120 en have you ensured that the reset button is safe from accidental configuration resets? Some devices simply cannot be installed under lock and key. There is con- sequently a risk that the conf...

  • Page 122: In Detail

    Lancom 1722 voip – lancom 1723 voip – lancom 1724 voip – lancom 1823 voip chapter 12: configuring the isdn and analog interfaces in detail 121 en 12 configuring the isdn and analog interfaces in detail 12.1 isdn interface in nt or te mode depending on the model, the isdn interfaces can be used for c...

  • Page 123

    Lancom 1722 voip – lancom 1723 voip – lancom 1724 voip – lancom 1823 voip chapter 12: configuring the isdn and analog interfaces in detail 122 en 12.2 bus termination, life-line support and power supply the hardware function modes of the isdn interfaces are set by dip switches on the underside of th...

  • Page 124

    Lancom 1722 voip – lancom 1723 voip – lancom 1724 voip – lancom 1823 voip chapter 12: configuring the isdn and analog interfaces in detail 123 en lancom 1723 voip and lancom 1823 voip only with the internal power supply, the models lancom 1723 voip and lancom 1823 voip support a maximum of two telep...

  • Page 125

    Lancom 1722 voip – lancom 1723 voip – lancom 1724 voip – lancom 1823 voip chapter 12: configuring the isdn and analog interfaces in detail 124 en plug the cable in again and start the device. A change to the software configuration is also necessary if the isdn interfaces are to be set to a different...

  • Page 126

    Lancom 1722 voip – lancom 1723 voip – lancom 1724 voip – lancom 1823 voip chapter 12: configuring the isdn and analog interfaces in detail 125 en nt mode operation always has to be set manually. With the lancom 1722 voip, if the isdn 2 connector is set to 'off' there may be a con- nection to isdn 1 ...

  • Page 127

    Lancom 1722 voip – lancom 1723 voip – lancom 1724 voip – lancom 1823 voip chapter 12: configuring the isdn and analog interfaces in detail 126 en the isdn connections are connected, for example, to an isdn pbx which is being supplied with isdn timing from another source, then interference to the tra...

  • Page 128: 13 Troubleshooting

    Lancom 1722 voip – lancom 1723 voip – lancom 1724 voip – lancom 1823 voip chapter 13: troubleshooting 127 en 13 troubleshooting in this chapter, you will find suggestions and assistance for a few common dif- ficulties. 13.1 no dsl connection is established after start-up the router automatically att...

  • Page 129

    Lancom 1722 voip – lancom 1723 voip – lancom 1724 voip – lancom 1823 voip chapter 13: troubleshooting 128 en increasing the tcp/ip window size under windows if the actual transfer rate of a dsl connection is significantly below the fastest rate listed by the provider, there are only a few possible c...

  • Page 130: 14 Appendix

    Lancom 1722 voip – lancom 1723 voip – lancom 1724 voip – lancom 1823 voip chapter 14: appendix 129 en 14 appendix 14.1 performance data and specifications lancom 1722 voip lancom 1723 voip lancom 1724 voip lancom 1823 voip connections ethernet lan 4 x rj-45 ether- net ieee 802.3 (switch), 10/ 100bas...

  • Page 131

    Lancom 1722 voip – lancom 1723 voip – lancom 1724 voip – lancom 1823 voip chapter 14: appendix 130 en voice processing echo cancelling (g.168) automatic adaptive de-jitter buffer transparent pass-through for negotiated codecs interaction on codec negotiation (filter, quality, bandwdith) voice coding...

  • Page 132

    Lancom 1722 voip – lancom 1723 voip – lancom 1724 voip – lancom 1823 voip chapter 14: appendix 131 en options lancom voip-32 option for upgrading to a total of 32 local sip users (item no. 61617) lancom vpn option 25 channels (hardware accelerated, max. 25 simul- taneous connections, 50 connections ...

  • Page 133

    Lancom 1722 voip – lancom 1723 voip – lancom 1724 voip – lancom 1823 voip chapter 14: appendix 132 en optional antannes and accessories for all lancom router models lancom advanced vpn client for windows xp, windows vista, windows 7, single license, item no. 61600 lancom advanced vpn client for wind...

  • Page 134

    Lancom 1722 voip – lancom 1723 voip – lancom 1724 voip – lancom 1823 voip chapter 14: appendix 133 en 14.2 contact assignment 14.2.1 adsl interface 6-pin rj11 socket 14.2.2 isdn interface ⌧ 8-pin rj45 socket, corresponding to iso 8877, en 60603-7, assembled as isdn-te for direct connection to an isd...

  • Page 135

    Lancom 1722 voip – lancom 1723 voip – lancom 1724 voip – lancom 1823 voip chapter 14: appendix 134 en 14.2.3 isdn interface 8-pin rj45 socket, corresponding to iso 8877, en 60603-7, assembled as isdn-nt for connection of isdn terminal endpoint devices 14.2.4 isdn/analog interface ⌧ 8-pin rj45 socket...

  • Page 136

    Lancom 1722 voip – lancom 1723 voip – lancom 1724 voip – lancom 1823 voip chapter 14: appendix 135 en 14.2.5 analog interface 6-pin rj11 socket 14.2.6 ethernet interface 10/100base-tx 8-pin rj45 socket, corresponding to iso 8877, en 60603-7 connector pin iae 1 – 2 – 3 a 4 b 5 – 6 – connector pin iae...

  • Page 137

    Lancom 1722 voip – lancom 1723 voip – lancom 1724 voip – lancom 1823 voip chapter 14: appendix 136 en 14.2.7 configuration interface (outband) 8-pin mini-din socket 14.3 declaration of conformity lancom systems herewith declares that the devices of the type described in this documentation are in agr...

  • Page 138: Index

    Lancom 1722 voip – lancom 1723 voip – lancom 1724 voip – lancom 1823 voip index 137 en index numerics 10/100base-tx 42 3 des 66 , 74 802.11i 30 , 110 , 113 , 115 , 116 802.11i/ 111 802.1x 30 , 110 , 111 , 113 a access point mode 3 , 34 access-control list 114 acl 113 , 114 adsl connections 43 transf...

  • Page 139

    Lancom 1722 voip – lancom 1723 voip – lancom 1724 voip – lancom 1823 voip index 138 en encryption 66 , 74 encryption methods 97 f fax 12 firewall 14 , 31 , 118 block stations 119 firmsafe 31 firmware 6 flatrate 62 fresnel zone 86 h hard roaming 99 hardware installation 44 https 55 i icmp 118 informa...

  • Page 140

    Lancom 1722 voip – lancom 1723 voip – lancom 1724 voip – lancom 1823 voip index 139 en n nat – see ip masquerading netbios 70 netbios proxy 26 network connectivity 66 security aspects 66 , 74 network mask 51 , 52 , 119 network segment 45 o optional antennas 106 options and accessories 106 p p2p 113 ...

  • Page 141

    Lancom 1722 voip – lancom 1723 voip – lancom 1724 voip – lancom 1823 voip index 140 en windows size 128 tcp/ip configuration fully automatic 50 , 51 manual 50 , 51 tcp/ip filter 14 , 31 , 118 tcp/ip router settings 69 tcp/ip-filter 14 t-dsl 13 telephone 12 telnet 119 tftp 119 transfer protocol 127 t...