Lancom 1723 VOIP User Manual
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  • Page 1: Lancom 1722 Voip

    . . . c o n n e c t i n g y o u r b u s i n e s s LANCOM 1722 VoIP LANCOM 1723 VoIP LANCOM 1724 VoIP LANCOM 1823 VoIP Handbuch Manual...
  • Page 2 LANCOM 1722 VoIP LANCOM 1723 VoIP LANCOM 1724 VoIP LANCOM 1823 VoIP...
  • Page 3 The reproduction and distribution of the documentation and software supplied with this product and the use of its contents is subject to written authorization from LANCOM Systems. We reserve the right to make any alterations that arise as the result of technical development.
  • Page 4 LANCOM 1722 VoIP – LANCOM 1723 VoIP – LANCOM 1724 VoIP – LANCOM 1823 VoIP Preface 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, compact device.
  • Page 5 LANCOM 1722 VoIP – LANCOM 1723 VoIP – LANCOM 1724 VoIP – LANCOM 1823 VoIP Preface 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 power relay to the internal ISDN bus WLAN compliant to the standards IEEE 802.11a/h or IEEE 802.11b/g...
  • Page 6 LANCOM 1722 VoIP – LANCOM 1723 VoIP – LANCOM 1724 VoIP – LANCOM 1823 VoIP Preface 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.
  • Page 7 LANCOM 1722 VoIP – LANCOM 1723 VoIP – LANCOM 1724 VoIP – LANCOM 1823 VoIP Chapter : 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.
  • Page 8: Table Of Contents

    LANCOM 1722 VoIP – LANCOM 1723 VoIP – LANCOM 1724 VoIP – LANCOM 1823 VoIP Contents Contents 1 Introduction 1.1 How do ADSL and ADSL 2+ work? 1.2 What does VPN offer? 1.3 Firewall 1.4 Voice over IP 1.4.1 Example Applications 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 4 Setting up Internet access 4.1 The Internet Connection Wizard 4.1.1 Instructions for LANconfig 4.1.2 Instructions for WEBconfig 5 Configuring the VoIP functions 6 Connecting two networks 6.1 Which details are necessary?
  • Page 10 LANCOM 1722 VoIP – LANCOM 1723 VoIP – LANCOM 1724 VoIP – LANCOM 1823 VoIP Contents 8 Advanced wireless LAN configuration 8.1 WLAN configuration with the wizards in LANconfig 8.2 Point-to-point connections 8.2.1 Geometric dimensioning of outdoor wireless network links 8.2.2 Antenna alignment for P2P operations...
  • Page 11 LANCOM 1722 VoIP – LANCOM 1723 VoIP – LANCOM 1724 VoIP – LANCOM 1823 VoIP Contents 11 Security settings 11.1 Security in the wireless LAN 11.1.1 Encrypted data transfer 11.1.2 802.1x / EAP 11.1.3 LANCOM Enhanced Passphrase Security 11.1.4 Access control by MAC address 11.1.5 IPSec over WLAN...
  • Page 12: Introduction

    LANCOM 1722 VoIP – LANCOM 1723 VoIP – LANCOM 1724 VoIP – LANCOM 1823 VoIP Chapter 1: Introduction 1 Introduction LANCOM VoIP Routers are fully functional routers with an integrated firewall to provide local networks with secure access to the Internet.
  • Page 13 LANCOM 1722 VoIP – LANCOM 1723 VoIP – LANCOM 1724 VoIP – LANCOM 1823 VoIP Chapter 1: Introduction 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-definition TV (HDTV) over the Internet.
  • Page 14: What Does Vpn Offer

    LANCOM 1722 VoIP – LANCOM 1723 VoIP – LANCOM 1724 VoIP – LANCOM 1823 VoIP Chapter 1: Introduction you of the version you need. These devices cannot be altered or upgraded to a system other than that for which it is equipped.
  • Page 15: Firewall

    LANCOM 1722 VoIP – LANCOM 1723 VoIP – LANCOM 1724 VoIP – LANCOM 1823 VoIP Chapter 1: Introduction 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 distances.
  • Page 16: Voice Over Ip

    LANCOM 1722 VoIP – LANCOM 1723 VoIP – LANCOM 1724 VoIP – LANCOM 1823 VoIP Chapter 1: Introduction 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.
  • Page 17 LANCOM 1722 VoIP – LANCOM 1723 VoIP – LANCOM 1724 VoIP – LANCOM 1823 VoIP Chapter 1: Introduction 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...
  • Page 18 LANCOM 1722 VoIP – LANCOM 1723 VoIP – LANCOM 1724 VoIP – LANCOM 1823 VoIP Chapter 1: Introduction Example: ISDN PBX PC / Softphone PC / Softphone SIP Phone INTERNET SIP Server SIP Phone Analog FAX ISDN NTBA ISDN VOIP Router...
  • Page 19 LANCOM 1722 VoIP – LANCOM 1723 VoIP – LANCOM 1724 VoIP – LANCOM 1823 VoIP Chapter 1: Introduction codes to decide upon the switching of a call either via the ISDN interface, or via the Internet as a VoIP call.
  • Page 20 LANCOM 1722 VoIP – LANCOM 1723 VoIP – LANCOM 1724 VoIP – LANCOM 1823 VoIP Chapter 1: Introduction 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 SIP Phone SIP Phone L ocal PSTN INTERNET VoIP Router VoIP Router SIP Phone Branch office Headquarters 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.
  • Page 22: The Central Position Of The Lancom Voip Router

    LANCOM 1722 VoIP – LANCOM 1723 VoIP – LANCOM 1724 VoIP – LANCOM 1823 VoIP Chapter 1: Introduction Example: Sites with ISDN or analog lines PC / Softphone PC / Softphone PC / Softphone SIP Phone SIP Phone INTERNET ISDN PBX...
  • Page 23 LANCOM 1722 VoIP – LANCOM 1723 VoIP – LANCOM 1724 VoIP – LANCOM 1823 VoIP Chapter 1: Introduction SIP Phone SIP Server PC / Softphone ISDN PBX VoIP Router SIP PBX ISDN ISDN Phone POTS ISDN Analog Phone ISDN Phone...
  • Page 24 LANCOM 1722 VoIP – LANCOM 1723 VoIP – LANCOM 1724 VoIP – LANCOM 1823 VoIP Chapter 1: Introduction 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.
  • Page 25: Voip Characteristics Of The Lancom Voip Routers

    LANCOM 1722 VoIP – LANCOM 1723 VoIP – LANCOM 1724 VoIP – LANCOM 1823 VoIP Chapter 1: Introduction 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...
  • Page 26: Just What Can Your Lancom Do

    LANCOM 1722 VoIP – LANCOM 1723 VoIP – LANCOM 1724 VoIP – LANCOM 1823 VoIP Chapter 1: Introduction 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 influenced.
  • Page 27 LANCOM 1722 VoIP – LANCOM 1723 VoIP – LANCOM 1724 VoIP – LANCOM 1823 VoIP Chapter 1: Introduction ✔ ✔ ✔ ✔ LAN-LAN coupling over ISDN ✔ ✔ ✔ ✔ RAS server (over VPN) ✔ ✔ ✔ ✔ RAS server (over ISDN) ✔...
  • Page 28 LANCOM 1722 VoIP – LANCOM 1723 VoIP – LANCOM 1724 VoIP – LANCOM 1823 VoIP Chapter 1: Introduction ✔ ✔ ✔ ✔ SIP proxy and Management of local SIP users (registra- registrar tion/authentication) ✔ ✔ ✔ ✔ Mapping of public SIP-provider accounts as telephone lines ✔...
  • Page 29 LANCOM 1722 VoIP – LANCOM 1723 VoIP – LANCOM 1724 VoIP – LANCOM 1823 VoIP Chapter 1: Introduction ✔ ✔ ✔ ✔ Inband tone signaling according to Euro- pean and German standards with country profiles ✔ ✔ ✔ ✔ Call router...
  • Page 30 LANCOM 1722 VoIP – LANCOM 1723 VoIP – LANCOM 1724 VoIP – LANCOM 1823 VoIP Chapter 1: Introduction ISDN S 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.
  • Page 31 LANCOM 1722 VoIP – LANCOM 1723 VoIP – LANCOM 1724 VoIP – LANCOM 1823 VoIP Chapter 1: Introduction ✔ Super AG incl. hardware compression and bursting ✔ Multi SSID ✔ Roaming function ✔ 802.11i / WPA with hardware AES encryption ✔...
  • Page 32 LANCOM 1722 VoIP – LANCOM 1723 VoIP – LANCOM 1724 VoIP – LANCOM 1823 VoIP Chapter 1: Introduction ✔ ✔ ✔ ✔ IP masquerading (NAT, PAT) to conceal individual LAN worksta- tions behind a single public IP address. ✔ ✔...
  • Page 33 LANCOM 1722 VoIP – LANCOM 1723 VoIP – LANCOM 1724 VoIP – LANCOM 1823 VoIP Chapter 1: Introduction ✔ ✔ ✔ ✔ LANCOM Modem Adapter Kit for connecting analog or GSM modems to the serial interface ✔ ✔ ✔ ✔...
  • Page 34: Installation

    LANCOM 1722 VoIP – LANCOM 1723 VoIP – LANCOM 1724 VoIP – LANCOM 1823 VoIP Chapter 2: Installation 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 and easily if all prerequisites are fulfilled.
  • Page 35: System Requirements

    LANCOM 1722 VoIP – LANCOM 1723 VoIP – LANCOM 1724 VoIP – LANCOM 1823 VoIP Chapter 2: Installation 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, Linux, BSD Unix, Apple Mac OS, OS/2.
  • Page 36 LANCOM 1722 VoIP – LANCOM 1723 VoIP – LANCOM 1724 VoIP – LANCOM 1823 VoIP Chapter 2: Installation Front Status displays on the front of the device provide information about opera- tional and connection status: LANCOM 1722 VoIP µ ³...
  • Page 37 LANCOM 1722 VoIP – LANCOM 1723 VoIP – LANCOM 1724 VoIP – LANCOM 1823 VoIP Chapter 2: Installation The two top-mounted LEDs enable the main function status to be assessed even if the device is positioned vertically. Power Online Meanings of the LEDs...
  • Page 38 LANCOM 1722 VoIP – LANCOM 1723 VoIP – LANCOM 1724 VoIP – LANCOM 1823 VoIP Chapter 2: Installation Orange/green In the housing At least one WLAN module is in managed mode and cover; blinking has not found a WLAN Controller yet. The correspond-...
  • Page 39 LANCOM 1722 VoIP – LANCOM 1723 VoIP – LANCOM 1724 VoIP – LANCOM 1823 VoIP Chapter 2: Installation ³ Online The online LED displays the general status of all WAN interfaces: No active connection Green Flashing Opening the first connection...
  • Page 40 LANCOM 1722 VoIP – LANCOM 1723 VoIP – LANCOM 1724 VoIP – LANCOM 1823 VoIP Chapter 2: Installation ISDN Status display for the ISDN interfaces: TE mode NT mode (external ISDN connec- (internal ISDN connec- tion) tion) Interface off or Layer 1 deac- Interface switched off.
  • Page 41 LANCOM 1722 VoIP – LANCOM 1723 VoIP – LANCOM 1724 VoIP – LANCOM 1823 VoIP Chapter 2: Installation Orange On (permanently) Handset off-hook. Orange / Blinking Hardware error On (permanently) Calibration interrupted or temporary error (e.g. in case of shutdown due to temperature) Connection status at the analog exchange line: Analog (⌧)
  • Page 42: Device Connectors

    LANCOM 1722 VoIP – LANCOM 1723 VoIP – LANCOM 1724 VoIP – LANCOM 1823 VoIP Chapter 2: Installation Green Blinking DFS scanning or other scan procedure. Flickering Error in wireless LAN (TX error, e.g. transmission error due to a poor connection)
  • Page 43 LANCOM 1722 VoIP – LANCOM 1723 VoIP – LANCOM 1724 VoIP – LANCOM 1823 VoIP Chapter 2: Installation LANCOM 1724 VoIP DC12V ETH2 ETH1 Config (COM) ISDN 4 ( ISDN 3 ( ISDN 2 (⌧) ISDN 1 (⌧) ADSL(2+) Reset ·...
  • Page 44 LANCOM 1722 VoIP – LANCOM 1723 VoIP – LANCOM 1724 VoIP – LANCOM 1823 VoIP Chapter 2: Installation 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.
  • Page 45: Hardware Installation

    LANCOM 1722 VoIP – LANCOM 1723 VoIP – LANCOM 1724 VoIP – LANCOM 1823 VoIP Chapter 2: Installation 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 settings.
  • Page 46 LANCOM 1722 VoIP – LANCOM 1723 VoIP – LANCOM 1724 VoIP – LANCOM 1823 VoIP Chapter 2: Installation 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 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.
  • Page 48: Configuring The Isdn And Analog Interfaces

    Connections of this type do not require an ISDN cross-over adapter. If the LANCOM VoIP Router is to replace a PBX, you can use all of the suit- able ISDN interfaces to connect to the PSTN (public services telephone network).
  • Page 49 LANCOM 1722 VoIP – LANCOM 1723 VoIP – LANCOM 1724 VoIP – LANCOM 1823 VoIP Chapter 2: Installation 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...
  • Page 50: Which Software Should I Install

    LANCOM 1722 VoIP – LANCOM 1723 VoIP – LANCOM 1724 VoIP – LANCOM 1823 VoIP Chapter 2: Installation 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 web browser.
  • Page 51: Basic Configuration

    LANCOM 1722 VoIP – LANCOM 1723 VoIP – LANCOM 1724 VoIP – LANCOM 1823 VoIP Chapter 3: Basic configuration 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 information.
  • Page 52 LANCOM 1722 VoIP – LANCOM 1723 VoIP – LANCOM 1724 VoIP – LANCOM 1823 VoIP Chapter 3: Basic configuration 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 happens in the fol-...
  • Page 53: Configuration Protection

    LANCOM 1722 VoIP – LANCOM 1723 VoIP – LANCOM 1724 VoIP – LANCOM 1823 VoIP Chapter 3: Basic configuration 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 the LANCOM VoIP Router a free IP address from your LAN's address range and enter the network mask.
  • Page 54: Charge Protection

    LANCOM 1722 VoIP – LANCOM 1723 VoIP – LANCOM 1724 VoIP – LANCOM 1823 VoIP Chapter 3: Basic configuration 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: Mobile wireless devices can search ("scan") the vicinity for wireless LANs...
  • Page 55: Instructions For Lanconfig

    LANCOM 1722 VoIP – LANCOM 1723 VoIP – LANCOM 1724 VoIP – LANCOM 1823 VoIP Chapter 3: Basic configuration 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 protection if you have agreed a tariff for unlimited traffic with your provider.
  • Page 56: Instructions For Webconfig

    LANCOM 1722 VoIP – LANCOM 1723 VoIP – LANCOM 1724 VoIP – LANCOM 1823 VoIP Chapter 3: Basic configuration 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.
  • Page 57 LANCOM 1722 VoIP – LANCOM 1723 VoIP – LANCOM 1724 VoIP – LANCOM 1823 VoIP Chapter 3: Basic configuration 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 ...
  • Page 58 LANCOM 1722 VoIP – LANCOM 1723 VoIP – LANCOM 1724 VoIP – LANCOM 1823 VoIP Chapter 3: Basic configuration 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 the configuration computer).
  • Page 59 LANCOM 1722 VoIP – LANCOM 1723 VoIP – LANCOM 1724 VoIP – LANCOM 1823 VoIP Chapter 3: Basic configuration 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.
  • Page 60: Tcp/Ip Settings For Pc Workstations

    LANCOM 1722 VoIP – LANCOM 1723 VoIP – LANCOM 1724 VoIP – LANCOM 1823 VoIP Chapter 3: Basic configuration 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 of two central stations in the LAN: Standard gateway –...
  • Page 61 LANCOM 1722 VoIP – LANCOM 1723 VoIP – LANCOM 1724 VoIP – LANCOM 1823 VoIP Chapter 3: Basic configuration...
  • Page 62: Setting Up Internet Access

    LANCOM 1722 VoIP – LANCOM 1723 VoIP – LANCOM 1724 VoIP – LANCOM 1823 VoIP Chapter 4: Setting up Internet access 4 Setting up Internet access The LANCOM provides a central point of Internet access for all of the comput- ers in the LAN.
  • Page 63 LANCOM 1722 VoIP – LANCOM 1723 VoIP – LANCOM 1724 VoIP – LANCOM 1823 VoIP Chapter 4: Setting up Internet access 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 if no data flows for a certain time (the hold time).
  • Page 64: The Internet Connection Wizard

    LANCOM 1722 VoIP – LANCOM 1723 VoIP – LANCOM 1724 VoIP – LANCOM 1823 VoIP Chapter 4: Setting up Internet access 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.
  • Page 65: Instructions For Webconfig

    LANCOM 1722 VoIP – LANCOM 1723 VoIP – LANCOM 1724 VoIP – LANCOM 1823 VoIP Chapter 4: Setting up Internet access The Wizard will inform you as soon as the entries are complete. Close the configuration with Finish. LANconfig: Fast starting of the Setup Wiz-...
  • Page 66: Configuring The Voip Functions

    LANCOM 1722 VoIP – LANCOM 1723 VoIP – LANCOM 1724 VoIP – LANCOM 1823 VoIP Chapter 5: Configuring the VoIP functions 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 func- tions.
  • Page 67: Connecting Two Networks

    LANCOM 1722 VoIP – LANCOM 1723 VoIP – LANCOM 1724 VoIP – LANCOM 1823 VoIP Chapter 6: Connecting two networks 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-...
  • Page 68: Which Details Are Necessary

    LANCOM 1722 VoIP – LANCOM 1723 VoIP – LANCOM 1724 VoIP – LANCOM 1823 VoIP Chapter 6: Connecting two networks 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 the Wiz- ard.
  • Page 69 LANCOM 1722 VoIP – LANCOM 1723 VoIP – LANCOM 1724 VoIP – LANCOM 1823 VoIP Chapter 6: Connecting two networks Connec- Entry Gateway 1 Gateway 2 tivity VPN + ISDN Domain descriptor in the remote network 'branch_office.com- 'main_office.com- pany' pany'...
  • Page 70: Settings For The Tcp/Ip Router

    LANCOM 1722 VoIP – LANCOM 1723 VoIP – LANCOM 1724 VoIP – LANCOM 1823 VoIP Chapter 6: Connecting two networks 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.
  • Page 71: Settings For Netbios Routing

    LANCOM 1722 VoIP – LANCOM 1723 VoIP – LANCOM 1724 VoIP – LANCOM 1823 VoIP Chapter 6: Connecting two networks 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.
  • Page 72: Instructions For Lanconfig

    LANCOM 1722 VoIP – LANCOM 1723 VoIP – LANCOM 1724 VoIP – LANCOM 1823 VoIP Chapter 6: Connecting two networks 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 and enter the necessary data.
  • Page 73: 1-Click-Vpn For Networks (Site-To-Site)

    LANCOM 1722 VoIP – LANCOM 1723 VoIP – LANCOM 1724 VoIP – LANCOM 1823 VoIP Chapter 6: Connecting two networks 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 simultaneously couple multiple routers to a central network.
  • Page 74: Instructions For Webconfig

    LANCOM 1722 VoIP – LANCOM 1723 VoIP – LANCOM 1724 VoIP – LANCOM 1823 VoIP Chapter 6: Connecting two networks 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 its ISDN number.
  • Page 75: Providing Dial-In Access

    LANCOM 1722 VoIP – LANCOM 1723 VoIP – LANCOM 1724 VoIP – LANCOM 1823 VoIP Chapter 7: Providing dial- in access 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 duration of the connection.
  • Page 76: General Information

    LANCOM 1722 VoIP – LANCOM 1723 VoIP – LANCOM 1724 VoIP – LANCOM 1823 VoIP Chapter 7: Providing dial- in access 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- ple method with pre-shared keys) and/or via ISDN.
  • Page 77: Settings For Tcp/Ip

    LANCOM 1722 VoIP – LANCOM 1723 VoIP – LANCOM 1724 VoIP – LANCOM 1823 VoIP Chapter 7: Providing dial- in access You will find information on the other parameters required for RAS  access in the chapter 'Connecting two networks'.
  • Page 78: Settings For Netbios Routing

    LANCOM 1722 VoIP – LANCOM 1723 VoIP – LANCOM 1724 VoIP – LANCOM 1823 VoIP Chapter 7: Providing dial- in access 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.
  • Page 79: Instructions For Lanconfig

    LANCOM 1722 VoIP – LANCOM 1723 VoIP – LANCOM 1724 VoIP – LANCOM 1823 VoIP Chapter 7: Providing dial- in access 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 resource in the usual manner.
  • Page 80 LANCOM 1722 VoIP – LANCOM 1723 VoIP – LANCOM 1724 VoIP – LANCOM 1823 VoIP Chapter 7: Providing dial- in access 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 accessible from the Internet.
  • Page 81: Instructions For Webconfig

    LANCOM 1722 VoIP – LANCOM 1723 VoIP – LANCOM 1724 VoIP – LANCOM 1823 VoIP Chapter 7: Providing dial- in access 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.
  • Page 82: Advanced Wireless Lan Configuration

    LANCOM 1722 VoIP – LANCOM 1723 VoIP – LANCOM 1724 VoIP – LANCOM 1823 VoIP Chapter 8: Advanced wireless LAN configuration 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 wizards.
  • Page 83 LANCOM 1722 VoIP – LANCOM 1723 VoIP – LANCOM 1724 VoIP – LANCOM 1823 VoIP Chapter 8: Advanced wireless LAN configuration 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 the cabled LAN.
  • Page 84: Point-To-Point Connections

    LANCOM 1722 VoIP – LANCOM 1723 VoIP – LANCOM 1724 VoIP – LANCOM 1823 VoIP Chapter 8: Advanced wireless LAN configuration 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. Also, the role as "Master"...
  • Page 85 LANCOM 1722 VoIP – LANCOM 1723 VoIP – LANCOM 1724 VoIP – LANCOM 1823 VoIP Chapter 8: Advanced wireless LAN configuration How do the antennas have to be positioned to ensure problem-free con- nections? What performance characteristics do the antennas need to ensure suffi-...
  • Page 86 LANCOM 1722 VoIP – LANCOM 1723 VoIP – LANCOM 1724 VoIP – LANCOM 1823 VoIP Chapter 8: Advanced wireless LAN configuration 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 waves produces amplification or interference of the effective power output at certain distances along the connection between the transmitter and receiver.
  • Page 87 LANCOM 1722 VoIP – LANCOM 1723 VoIP – LANCOM 1724 VoIP – LANCOM 1823 VoIP Chapter 8: Advanced wireless LAN configuration The areas where the waves amplify or cancel themselves out are known as Fresnel zones. Protecting the components employed from the consequences of ...
  • Page 88 LANCOM 1722 VoIP – LANCOM 1723 VoIP – LANCOM 1724 VoIP – LANCOM 1823 VoIP Chapter 8: Advanced wireless LAN configuration 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...
  • Page 89: Antenna Alignment For P2P Operations

    LANCOM 1722 VoIP – LANCOM 1723 VoIP – LANCOM 1724 VoIP – LANCOM 1823 VoIP Chapter 8: Advanced wireless LAN configuration Free-space loss Amplification with Amplification with antenna gain antenna gain ANTENNA ANTENNA Loss through cable, Loss through cable, plugs and lightning...
  • Page 90 LANCOM 1722 VoIP – LANCOM 1723 VoIP – LANCOM 1724 VoIP – LANCOM 1823 VoIP Chapter 8: Advanced wireless LAN configuration The display of signal quality on the LEDs must be activated for the wireless LAN interface (LANconfig: Wireless LAN...
  • Page 91: Measuring Wireless Bridges

    LANCOM 1722 VoIP – LANCOM 1723 VoIP – LANCOM 1724 VoIP – LANCOM 1823 VoIP Chapter 8: Advanced wireless LAN configuration Are both antennas approximately aligned? The basic P2P connection has to be working before fine-tuning can be performed with the aid of LANmonitor.
  • Page 92: Configuration Of P2P Connections

    LANCOM 1722 VoIP – LANCOM 1723 VoIP – LANCOM 1724 VoIP – LANCOM 1823 VoIP Chapter 8: Advanced wireless LAN configuration 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 do not find each other.
  • Page 93 LANCOM 1722 VoIP – LANCOM 1723 VoIP – LANCOM 1724 VoIP – LANCOM 1823 VoIP Chapter 8: Advanced wireless LAN configuration Click on the button Physical WLAN settings to open the corresponding WLAN interface and select the tab for 'Point-to-Point'.
  • Page 94 LANCOM 1722 VoIP – LANCOM 1723 VoIP – LANCOM 1724 VoIP – LANCOM 1823 VoIP Chapter 8: Advanced wireless LAN configuration 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 MAC addresses from any other interfaces that may be present in the access points.
  • Page 95: Security For Point-To-Point Connections

    LANCOM 1722 VoIP – LANCOM 1723 VoIP – LANCOM 1724 VoIP – LANCOM 1823 VoIP Chapter 8: Advanced wireless LAN configuration 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 used to attain a significant increase in the security of...
  • Page 96 LANCOM 1722 VoIP – LANCOM 1723 VoIP – LANCOM 1724 VoIP – LANCOM 1823 VoIP Chapter 8: Advanced wireless LAN configuration For configuration with LANconfig you will find the encryption settings under the configuration area 'Wireless LAN' on the '802.11i/WEP' tab.
  • Page 97: Client Mode

    LANCOM 1722 VoIP – LANCOM 1723 VoIP – LANCOM 1724 VoIP – LANCOM 1823 VoIP Chapter 8: Advanced wireless LAN configuration 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 they act as conventional wireless LAN adapters and not as access points (AP).
  • Page 98: Set The Ssid Of The Available Networks

    LANCOM 1722 VoIP – LANCOM 1723 VoIP – LANCOM 1724 VoIP – LANCOM 1823 VoIP Chapter 8: Advanced wireless LAN configuration 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.
  • Page 99: Roaming

    LANCOM 1722 VoIP – LANCOM 1723 VoIP – LANCOM 1724 VoIP – LANCOM 1823 VoIP Chapter 8: Advanced wireless LAN configuration 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 interface from the list of logical WLAN settings.
  • Page 100 LANCOM 1722 VoIP – LANCOM 1723 VoIP – LANCOM 1724 VoIP – LANCOM 1823 VoIP Chapter 8: Advanced wireless LAN configuration 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 roaming).
  • Page 101 LANCOM 1722 VoIP – LANCOM 1723 VoIP – LANCOM 1724 VoIP – LANCOM 1823 VoIP Chapter 8: Advanced wireless LAN configuration 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: Sending Faxes With Lancapi

    LANCOM 1722 VoIP – LANCOM 1723 VoIP – LANCOM 1724 VoIP – LANCOM 1823 VoIP Chapter 9: Sending faxes with LANCAPI 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 connection between ISDN adapters and communications programs.
  • Page 103: Installation Of The Lancom Capi Faxmodem

    LANCOM 1722 VoIP – LANCOM 1723 VoIP – LANCOM 1724 VoIP – LANCOM 1823 VoIP Chapter 9: Sending faxes with LANCAPI PCs with faxsoftware, LANCAPI-Client, CAPI Faxmodem and MS Windows fax servicet ISDN ROUTER LANCOM with LANCAPI-Server The installation of the LANCAPI client is described in the reference manual.
  • Page 104: Installation Of The Ms Windows Fax Service

    LANCOM 1722 VoIP – LANCOM 1723 VoIP – LANCOM 1724 VoIP – LANCOM 1823 VoIP Chapter 9: Sending faxes with LANCAPI 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 into the Phone and Modem Options of the control panel.
  • Page 105: Sending A Fax

    LANCOM 1722 VoIP – LANCOM 1723 VoIP – LANCOM 1724 VoIP – LANCOM 1823 VoIP Chapter 9: Sending faxes with LANCAPI 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 for the newly installed fax printer.
  • Page 106: Send A Fax With The Ms Windows Fax Service

    LANCOM 1722 VoIP – LANCOM 1723 VoIP – LANCOM 1724 VoIP – LANCOM 1823 VoIP Chapter 9: Sending faxes with LANCAPI Adjust the fax device as printer. Click on OK. A wizard appears, that will guide you through the remaining sending process.
  • Page 107: Options And Accessories

    LANCOM 1722 VoIP – LANCOM 1723 VoIP – LANCOM 1724 VoIP – LANCOM 1823 VoIP Chapter 10: Options and accessories 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 the available accessories and how to use them with your base station.
  • Page 108: Antenna Diversity

    LANCOM 1722 VoIP – LANCOM 1723 VoIP – LANCOM 1724 VoIP – LANCOM 1823 VoIP Chapter 10: Options and accessories 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 interaction with the reflected radio waves can cause a drop in signal strength, or even cause it to be cancelled out completely.
  • Page 109: Lancom Public Spot Option

    LANCOM 1722 VoIP – LANCOM 1723 VoIP – LANCOM 1724 VoIP – LANCOM 1823 VoIP Chapter 10: Options and accessories 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.
  • Page 110 LANCOM 1722 VoIP – LANCOM 1723 VoIP – LANCOM 1724 VoIP – LANCOM 1823 VoIP Chapter 10: Options and accessories working in the home. However, for public access services the standard setup lacks important mechanisms for authentication and billing of individual users (AAA —...
  • Page 111: Security Settings

    LANCOM 1722 VoIP – LANCOM 1723 VoIP – LANCOM 1724 VoIP – LANCOM 1823 VoIP Chapter 11: Security settings 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.
  • Page 112 LANCOM 1722 VoIP – LANCOM 1723 VoIP – LANCOM 1724 VoIP – LANCOM 1823 VoIP Chapter 11: Security settings 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 802.11i/AES or WPA/TKIP is...
  • Page 113 WLAN network as ‘Key 1/Passphrase’. To use a WLAN adapter to establish a connection to a LANCOM Wireless Router that has fac- tory settings, the WPA encryption must be activated for the WLAN adapter and the standard 13-character preshared key.
  • Page 114: Eap

    LANCOM 1722 VoIP – LANCOM 1723 VoIP – LANCOM 1724 VoIP – LANCOM 1823 VoIP Chapter 11: Security settings 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.
  • Page 115: Access Control By Mac Address

    LANCOM 1722 VoIP – LANCOM 1723 VoIP – LANCOM 1724 VoIP – LANCOM 1823 VoIP Chapter 11: Security settings 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 worldwide.
  • Page 116: Lanconfig Wizard

    LANCOM 1722 VoIP – LANCOM 1723 VoIP – LANCOM 1724 VoIP – LANCOM 1823 VoIP Chapter 11: Security settings 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 and confirm the selection with Next.
  • Page 117: Webconfig Wizard

    LANCOM 1722 VoIP – LANCOM 1723 VoIP – LANCOM 1724 VoIP – LANCOM 1823 VoIP Chapter 11: Security settings 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:...
  • Page 118 LANCOM 1722 VoIP – LANCOM 1723 VoIP – LANCOM 1724 VoIP – LANCOM 1823 VoIP Chapter 11: Security settings 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 and select ‘Wireless LAN’...
  • Page 119 LANCOM 1722 VoIP – LANCOM 1723 VoIP – LANCOM 1724 VoIP – LANCOM 1823 VoIP Chapter 11: Security settings 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 under 'Firewall/QoS' on the 'General' tab.
  • Page 120 LANCOM 1722 VoIP – LANCOM 1723 VoIP – LANCOM 1724 VoIP – LANCOM 1823 VoIP Chapter 11: Security settings 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.
  • Page 121 LANCOM 1722 VoIP – LANCOM 1723 VoIP – LANCOM 1724 VoIP – LANCOM 1823 VoIP Chapter 11: Security settings 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 configuration will be deleted by mistake if a co- worker presses the reset button too long.
  • Page 122: Configuring The Isdn And Analog Interfaces In Detail

    LANCOM 1722 VoIP – LANCOM 1723 VoIP – LANCOM 1724 VoIP – LANCOM 1823 VoIP Chapter 12: Configuring the ISDN and analog interfaces in detail 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 connecting to an ISDN exchange line or for connecting up ISDN terminal equipment.
  • Page 123: Bus Termination, Life-Line Support And Power Supply

    LANCOM 1722 VoIP – LANCOM 1723 VoIP – LANCOM 1724 VoIP – LANCOM 1823 VoIP Chapter 12: Configuring the ISDN and analog interfaces in detail 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 the device.
  • Page 124 LANCOM 1722 VoIP – LANCOM 1723 VoIP – LANCOM 1724 VoIP – LANCOM 1823 VoIP Chapter 12: Configuring the ISDN and analog interfaces in detail LANCOM 1723 With the internal power supply, the models LANCOM 1723 VoIP and VoIP and LANCOM...
  • Page 125: Protocol Setting

    LANCOM 1722 VoIP – LANCOM 1723 VoIP – LANCOM 1724 VoIP – LANCOM 1823 VoIP Chapter 12: Configuring the ISDN and analog interfaces in detail Plug the cable in again and start the device. A change to the software configuration is also necessary if the ISDN ...
  • Page 126: Isdn Connection Timing

    LANCOM 1722 VoIP – LANCOM 1723 VoIP – LANCOM 1724 VoIP – LANCOM 1823 VoIP Chapter 12: Configuring the ISDN and analog interfaces in detail 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 in the case that the device has been set up for life- line support by means of the DIP switches.
  • Page 127 LANCOM 1722 VoIP – LANCOM 1723 VoIP – LANCOM 1724 VoIP – LANCOM 1823 VoIP Chapter 12: Configuring the ISDN and analog interfaces in detail 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 transmission may arise because the timing of the LANCOM VoIP Router is not synchronous to that of the PBX.
  • Page 128: Troubleshooting

    LANCOM 1722 VoIP – LANCOM 1723 VoIP – LANCOM 1724 VoIP – LANCOM 1823 VoIP Chapter 13: Troubleshooting 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 attempts to connect to the DSL pro- vider.
  • Page 129: Unwanted Connections Under Windows Xp

    LANCOM 1722 VoIP – LANCOM 1723 VoIP – LANCOM 1724 VoIP – LANCOM 1823 VoIP Chapter 13: Troubleshooting 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 causes (apart from the above-mentioned external factors) which may involve one's own equipment.
  • Page 130: Appendix

    LANCOM 1722 VoIP – LANCOM 1723 VoIP – LANCOM 1724 VoIP – LANCOM 1823 VoIP Chapter 14: Appendix 14 Appendix 14.1 Performance data and specifications LANCOM LANCOM LANCOM LANCOM 1722 VoIP 1723 VoIP 1724 VoIP 1823 VoIP Connections Ethernet LAN 4 x RJ-45 Ether- 2 x RJ-45 Ethernet IEEE 802.3 (Switch), 10/100Base-T-...
  • Page 131 LANCOM 1722 VoIP – LANCOM 1723 VoIP – LANCOM 1724 VoIP – LANCOM 1823 VoIP Chapter 14: Appendix LANCOM LANCOM LANCOM LANCOM 1722 VoIP 1723 VoIP 1724 VoIP 1823 VoIP 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 with G.711 μ-Law/A-Law (64 kBps), G.722 High Quality...
  • Page 132 LANCOM 1722 VoIP – LANCOM 1723 VoIP – LANCOM 1724 VoIP – LANCOM 1823 VoIP Chapter 14: Appendix LANCOM LANCOM LANCOM LANCOM 1722 VoIP 1723 VoIP 1724 VoIP 1823 VoIP Options LANCOM VoIP-32 Option for upgrading to a total of 32 local SIP users (item no.
  • Page 133 LANCOM 1722 VoIP – LANCOM 1723 VoIP – LANCOM 1724 VoIP – LANCOM 1823 VoIP Chapter 14: Appendix LANCOM LANCOM LANCOM LANCOM 1722 VoIP 1723 VoIP 1724 VoIP 1823 VoIP Optional For all LANCOM Router models antannes and LANCOM Advanced VPN Client for Windows XP, Windows Vista, Windows accessories 7, single license, item no.
  • Page 134: Contact Assignment

    LANCOM 1722 VoIP – LANCOM 1723 VoIP – LANCOM 1724 VoIP – LANCOM 1823 VoIP Chapter 14: Appendix 14.2 Contact assignment 14.2.1 ADSL interface 6-pin RJ11 socket Connector – – – – ⌧ 14.2.2 ISDN interface 8-pin RJ45 socket, corresponding to ISO 8877, EN 60603-7, assembled as...
  • Page 135: Isdn Interface

    LANCOM 1722 VoIP – LANCOM 1723 VoIP – LANCOM 1724 VoIP – LANCOM 1823 VoIP Chapter 14: Appendix 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...
  • Page 136: Analog Interface

    LANCOM 1722 VoIP – LANCOM 1723 VoIP – LANCOM 1724 VoIP – LANCOM 1823 VoIP Chapter 14: Appendix 14.2.5 Analog interface 6-pin RJ11 socket Connector – – – – 14.2.6 Ethernet interface 10/100Base-TX 8-pin RJ45 socket, corresponding to ISO 8877, EN 60603-7...
  • Page 137: Configuration Interface (Outband)

    LANCOM 1722 VoIP – LANCOM 1723 VoIP – LANCOM 1724 VoIP – LANCOM 1823 VoIP Chapter 14: Appendix 14.2.7 Configuration interface (Outband) 8-pin mini-DIN socket Connector 14.3 Declaration of conformity LANCOM Systems herewith declares that the devices of the type described in this documentation are in agreement with the basic requirements and other relevant regulations of the 1995/5/EC directive.
  • Page 138 LANCOM 1722 VoIP – LANCOM 1723 VoIP – LANCOM 1724 VoIP – LANCOM 1823 VoIP Index Index Numerics Configuration access 10/100Base-TX Configuration file 3 DES Configuration interface 802.11i Connector cable 802.11i/ Configuration password 802.1x Configuration port Configuration protection Contact assignment...
  • Page 139 LANCOM 1722 VoIP – LANCOM 1723 VoIP – LANCOM 1724 VoIP – LANCOM 1823 VoIP Index Encryption ISDN Encryption methods Connector cable D channel ISDN calling line ID ISDN leased-line option Firewall ISDN life line Block stations ISDN modem FirmSafe...
  • Page 140 LANCOM 1722 VoIP – LANCOM 1723 VoIP – LANCOM 1724 VoIP – LANCOM 1823 VoIP Index Server NAT – see IP masquerading Setup NetBIOS TCP/IP NetBIOS proxy User name Network connectivity Windows workgroup search Security aspects Remote configuration Network mask...
  • Page 141 LANCOM 1722 VoIP – LANCOM 1723 VoIP – LANCOM 1724 VoIP – LANCOM 1823 VoIP Index Windows size Voice over IP TCP/IP configuration VoIP Fully automatic Connecting subsidiaries or home offices Manual TCP/IP filter Peer-to-peer TCP/IP router VoIP lines Settings...

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