Lancom 1823 VoIP manuale d’uso

110827/0810 LANCOM Systems GmbH Adenauerstr . 20/B2 52146 Würselen Germany E-Mail: info@lancom.eu Internet www .lancom.eu LANCOM 1722 V oIP LANCOM 1723 V oIP LANCOM 1724 V oIP LANCOM 1823 V oIP LANCOM 1722 VoIP – LANCOM 1723 V oIP LANCOM 1724 VoIP – LANCOM 1823 V oIP 쮿 Handbuch 쮿 Manual ...co nnecti ng you r bus iness 110827_HB-LC_1722-172[...]

LANC OM 1722 V oIP LANC OM 1723 V oIP LANC OM 1724 V oIP LANC OM 1823 V oIP[...]

© 2010 LANCOM Systems GmbH, Wuersele n (Germany). All rights r eserved. While the informat ion in this manual has been compiled wit h great care , it may not be deemed an assurance of pr oduct characteristics. LANCOM System s shal l be liable onl y to the degre e specified in the t erms of sale and del ivery . The repr oduction and distribution of[...]

LANCOM 1722 V oIP – LANCOM 1723 VoIP – LANC OM 1724 VoIP – LANC OM 1823 VoIP  Preface 3 EN Preface Thank you for your confidence in us! LANCOM V oIP Routers pr ovide the co mpr ehensive functions of an access route r , prof essional fi rewall and high- quality VPN gatew ay and WLAN access point in a sing le, compact dev ice. They thus comb[...]

LANCOM 1722 V oIP – LANCOM 1723 VoIP – L ANCOM 1724 VoIP – L ANCOM 1823 Vo IP  Preface 4 EN  Intelligent call rout ing and number translation  Support of point- to- point and po int- to- multipoint connections to the ISDN network  Multiple configurable ISDN int e rfaces (NT/TE), some with life- line support and power rel ay to the[...]

LANCOM 1722 V oIP – LANCOM 1723 VoIP – LANC OM 1724 VoIP – LANC OM 1823 VoIP  Preface 5 EN  Installation Guide  User manual  PBX Functions manual  Menu Reference Guide Y ou are now reading the user manual. It contains all information you need to put your devi ce in to o per ati on. I t als o contains all of th e important techn[...]

LANCOM 1722 V oIP – LANCOM 1723 VoIP – L ANCOM 1724 VoIP – L ANCOM 1823 Vo IP  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 po ssible sup port when using your LANCOM product. Should you fi nd any err ors, or if you would li ke to suggest [...]

LANCOM 1722 V oIP – LANCOM 1723 VoIP – LANC OM 1724 VoIP – LANC OM 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 Appli cations 15 1.4.2 The central position of the LANCOM VoIP Router 21 1.4.3 VoIP characteristics of the[...]

LANCOM 1722 V oIP – LANCOM 1723 VoIP – L ANCOM 1724 VoIP – L ANCOM 1823 Vo IP  Contents 8 EN 4 Setting up Inte rnet access 61 4.1 The Internet Connection Wizard 63 4.1.1 Instru ctions for LANconfi g 63 4.1.2 Instru ctions for WEBconfig 64 5 Configuring the VoIP function s 65 6 Connecting two networks 66 6.1 Which details are necessary? 67 [...]

LANCOM 1722 V oIP – LANCOM 1723 VoIP – LANC OM 1724 VoIP – LANC OM 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 Geome tric dimensioning of outdoor wi reless network links 83 8.2.2 Antenna alignment for P2P operations 88 8.[...]

LANCOM 1722 V oIP – LANCOM 1723 VoIP – L ANCOM 1724 VoIP – L ANCOM 1823 Vo IP  Contents 10 EN 11 Security settings 110 11.1 S ecurity in the w ireless 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 11.1.5 IPSec over WLAN 114 11.2 Sec[...]

LANCOM 1722 V oIP – LANCOM 1723 VoIP – LANC OM 1724 VoIP – LANC OM 1823 VoIP  Chapter 1: Intr oduction 11 EN 1I n t r o d u c t i o n LANCOM VoIP Routers are fully functional routers with an integrated firewall to provi de local networks with s e cure access to t he Internet. With the VPN option included, these devices work as powerful Dyn[...]

LANCOM 1722 V oIP – LANCOM 1723 VoIP – L ANCOM 1724 VoIP – L ANCOM 1823 Vo IP  Chapter 1: Introduction 12 EN T o satisfy the strongly increasing de mand for higher bandwidths, the stand- ards ADSL 2 and ADSL 2+ provider higher data rates as a basis for applica- tions such as video str eaming or high- d efiniti on TV (HDTV) over the I ntern[...]

LANCOM 1722 V oIP – LANCOM 1723 VoIP – LANC OM 1724 VoIP – LANC OM 1823 VoIP  Chapter 1: Intr oduction 13 EN you of the version you need. These devi ces cannot be altered or upgr aded to a system other than that for which it is equ ipped. There are even ADSL - over- ISDN connections which are not combined with an ISDN connection, but with [...]

LANCOM 1722 V oIP – LANCOM 1723 VoIP – L ANCOM 1724 VoIP – L ANCOM 1823 Vo IP  Chapter 1: Introduction 14 EN The Internet is available virtually eve rywhere and typicall y has low access c o s t s . S i g ni fi c a nt s av i ng s ca n th us b e a c hi ev e d in r e l a t io n to s w i t c h e d o r de d - icated connections, especial ly ov[...]

LANCOM 1722 V oIP – LANCOM 1723 VoIP – LANC OM 1724 VoIP – LANC OM 1823 VoIP  Chapter 1: Intr oduction 15 EN Attempts to break in to the l ocal network or centra l firewall ar e recog- nized, repelled and recorded by the In trusion Detection Sy stem (IDS) in the LANCOM. There is a choice of alarms including in- device logging, e- mail mess[...]

LANCOM 1722 V oIP – LANCOM 1723 VoIP – L ANCOM 1724 VoIP – L ANCOM 1823 Vo IP  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 17 24 V oIP) to landlines, th e possibility to use SIP accounts and SIP trunking, and the data- a[...]

LANCOM 1722 V oIP – LANCOM 1723 VoIP – LANC OM 1724 VoIP – LANC OM 1823 VoIP  Chapter 1: Intr oduction 17 EN T elephone calls over the PBX and the te lephones connected to it remain pos- sible just as befor e; the teleph ones remai n available und er the familiar tele- phone numbers. This application additi onally offers the following opti[...]

LANCOM 1722 V oIP – LANCOM 1723 VoIP – L ANCOM 1724 VoIP – L ANCOM 1823 Vo IP  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 V oIP call. Connecting subsidiaries or home offices to the headquarters Many subsidiaries or home office s al ready have a connecti[...]

LANCOM 1722 V oIP – LANCOM 1723 VoIP – LANC OM 1724 VoIP – LANC OM 1823 VoIP  Chapter 1: Intr oduction 19 EN Vo IP for companies through SIP trunking One of the biggest hurdles for companies th at fully migrate to V oIP is to main- tain the existing telephone numbers. No rmal pr ovider SIP a ccounts come with a telephone number for the tra[...]

LANCOM 1722 V oIP – LANCOM 1723 VoIP – L ANCOM 1724 VoIP – L ANCOM 1823 Vo IP  Chapter 1: Introduction 20 EN Advantages of the SIP r emote gateway:  The local telephone connection at any site is available for use by any of the offices throughout t he entire company .  National and international long- dista nce calls can be mapped to [...]

LANCOM 1722 V oIP – LANCOM 1723 VoIP – LANC OM 1724 VoIP – LANC OM 1823 VoIP  Chapter 1: Intr oduction 21 EN 1.4.2 The central positi on of the LANCOM VoIP Router LANCOM VoIP Router take up a central position in the switching of telephone calls between int ernal and external subscribers over the different channels of communication. Dependi[...]

LANCOM 1722 V oIP – LANCOM 1723 VoIP – L ANCOM 1724 VoIP – L ANCOM 1823 Vo IP  Chapter 1: Introduction 22 EN Users and lines T elephony subscribers in internal areas can take part in voice com m unications a n d , i n t h e L A N C O M V o I P e n v i r o n m e n t , a r e r e f e r r e d t o a s " u s e r s " . T h e LANCOM diff[...]

LANCOM 1722 V oIP – LANCOM 1723 VoIP – LANC OM 1724 VoIP – LANC OM 1823 VoIP  Chapter 1: Intr oduction 23 EN  ISDN A c o n n e c t io n to a n I S D N N T B A o v e r t h e T E i n te r fa ce . T h e N T i n te r fa c e ca n a d d i t i o n a l l y b e u s e d t o c o n n e c t I S D N t e r m i n a l d e v i c e s d i r e c t l y o r v[...]

LANCOM 1722 V oIP – LANCOM 1723 VoIP – L ANCOM 1724 VoIP – L ANCOM 1823 Vo IP  Chapter 1: Introduction 24 EN  The pre cise number of us ers and lines available varies between mod- els and software options. 1.4.3 V oIP characteristics of the LANCOM V oIP Routers Multiple ISDN/analog interfaces The ISDN/analog interfaces of the LANC O M V[...]

LANCOM 1722 V oIP – LANCOM 1723 VoIP – LANC OM 1724 VoIP – LANC OM 1823 VoIP  Chapter 1: Intr oduction 25 EN Equipment connected to an ISDN conne ction can be addressed in two ways:  The devices ar e addressed wi th a multiple subscriber number (MSN) that is linked to the ISDN connection and cannot be influenced.  T ermina l devices [...]

LANCOM 1722 V oIP – LANCOM 1723 VoIP – L ANCOM 1724 VoIP – L ANCOM 1823 Vo IP  Chapter 1: Introduction 26 EN LAN- LAN coupling over ISDN ✔✔✔✔ RAS server (over VP N) ✔✔✔✔ RAS server (ove r ISDN) ✔✔✔✔ IP router ✔✔✔✔ NetBIOS proxy for coupling Micro soft peer- to- peer networks over ISDN ✔✔✔✔ DHCP- and [...]

LANCOM 1722 V oIP – LANCOM 1723 VoIP – LANC OM 1724 VoIP – LANC OM 1823 VoIP  Chapter 1: Intr oduction 27 EN SIP proxy and registrar Management of loca l SIP users (regist ra- tion/authentica t ion) ✔✔✔✔ Mapping of public SIP- provi der accounts as telephone line s ✔✔✔✔ SIP trunking for mapping SIP accoun ts with extern al [...]

LANCOM 1722 V oIP – LANCOM 1723 VoIP – L ANCOM 1724 VoIP – L ANCOM 1823 Vo IP  Chapter 1: Introduction 28 EN Inband tone signa ling accor ding to Euro- pean and Ge rman standards wi th country profiles ✔✔✔✔ Call router Central swit ching of all connec tions (SIP and ISDN/analog) ✔✔✔✔ Number translatio n by mapping, numeral [...]

LANCOM 1722 V oIP – LANCOM 1723 VoIP – LANC OM 1724 VoIP – LANC OM 1823 VoIP ࡯ Chapter 1: Intr oduction 29 EN ISDN S 0 connection in TE mode for conn ecting the LANCOM VoIP Router to an ext ernal ISDN co nnection, e.g . to an NTBA or to an upstr eam ISDN PBX. Switchable to NT mode. 1 ✔ 1 ✔ 2 ✔ 1 ✔ Po wer relay; ISDN voltag e availab[...]

LANCOM 1722 V oIP – LANCOM 1723 VoIP – L ANCOM 1724 VoIP – L ANCOM 1823 Vo IP  Chapter 1: Introduction 30 EN Sup er AG in cl. hard ware comp ress ion and burs tin g ✔ Multi SSID ✔ Roaming function ✔ 802.11i / WP A with hardware AES encryptio n ✔ WEP encryption (up to 128- bit key lengths, WEP152) ✔ IEEE 802.1x/EAP ✔ MAC address[...]

LANCOM 1722 V oIP – LANCOM 1723 VoIP – LANC OM 1724 VoIP – LANC OM 1823 VoIP  Chapter 1: Intr oduction 31 EN IP masquerading (NA T , P AT) to conceal individual LAN worksta- tions behind a singl e public IP address. ✔✔✔✔ Stateful- inspection firewall ✔✔✔✔ Firewall fil t er for blocking indi vidual IP addresses, protocols an[...]

LANCOM 1722 V oIP – LANCOM 1723 VoIP – L ANCOM 1724 VoIP – L ANCOM 1823 Vo IP  Chapter 1: Introduction 32 EN LANCOM Modem Adapter Ki t for connectin g analog or GSM modems to the se rial interface ✔✔✔✔ 19" rackmount adapter ✔✔✔✔ LANCOM ES-1108P PoE switch for Ethernet cabling; simultaneously sup plies power over Ethe r[...]

LANCOM 1722 V oIP – LANCOM 1723 VoIP – LANC OM 1724 VoIP – LANC OM 1823 VoIP  Chapter 2: Installatio n 33 EN 2 Installation This chapter will assist you to quick ly install har dware and softwar e. First, check the package contents and sys tem requir ements. The device can be installed and co nfigured quickly and easi ly if all prerequisit[...]

LANCOM 1722 V oIP – LANCOM 1723 VoIP – L ANCOM 1724 VoIP – L ANCOM 1823 Vo IP  Chapter 2: Installation 34 EN 2.2 S ystem requirements 2.2.1 Configuring the LANCOM devices Computers that connect to a LANCOM must meet the following minimum requir ements:  Operating system wi th TCP/IP support , such as Windows, Linux, BSD Uni x, Apple Mac[...]

LANCOM 1722 V oIP – LANCOM 1723 VoIP – LANC OM 1724 VoIP – LANC OM 1823 VoIP  Chapter 2: Installatio n 35 EN Front Status displays on the fr ont of the device provide information about oper a- tional and connection status: LANCOM 1722 VoIP LANCOM 1723 VoIP LANCOM 1724 VoIP LANCOM 1823 VoIP LANCOM LANCOM 1722 1722 VoIP VoIP Power Power Onli[...]

LANCOM 1722 V oIP – LANCOM 1723 VoIP – L ANCOM 1724 VoIP – L ANCOM 1823 Vo IP  Chapter 2: Installation 36 EN To p T h e t w o t o p - m o u n t e d L E D s e n a b l e t h e m a i n f u n c t i o n s t a t u s t o b e a s s e s s e d even if the device is positioned verticall y . Meanings of the LEDs In the following sections we will use d[...]

LANCOM 1722 V oIP – LANCOM 1723 VoIP – LANC OM 1724 VoIP – LANC OM 1823 VoIP  Chapter 2: Installatio n 37 EN  The power LED blinks alternately in red/green until a configuration password has been set. Wi thout a configuration passwor d, the con- figur ation data in the L ANCOM is unpr otected. Normally you would set a configuration pass[...]

LANCOM 1722 V oIP – LANCOM 1723 VoIP – L ANCOM 1724 VoIP – L ANCOM 1823 Vo IP  Chapter 2: Installation 38 EN  Online The online LED displays the ge neral status of all WAN interfaces:  ADSL Connection status at the ADSL connector: Off No active conn ection Green Flashing Opening the fi rst connection Green Inverse flashing Opening an[...]

LANCOM 1722 V oIP – LANCOM 1723 VoIP – LANC OM 1724 VoIP – LANC OM 1823 VoIP  Chapter 2: Installatio n 39 EN  ISDN Status dis play for the ISDN interfaces:  If the LED of an ISDN interface auto matically goes off in TE mode, this does not indicate an error at the S 0 b us . I t i s i n f ac t b ec au s e se ve r al ISDN connections a[...]

LANCOM 1722 V oIP – LANCOM 1723 VoIP – L ANCOM 1724 VoIP – L ANCOM 1823 Vo IP  Chapter 2: Installation 40 EN  Analog ( ⌧ ) Connection status at th e analog exchange line:  ETH LAN connector status in the integrated sw itch:  WLAN link Provides information about t he WLAN connections via the internal WLAN modules. The followi ng [...]

LANCOM 1722 V oIP – LANCOM 1723 VoIP – LANC OM 1724 VoIP – LANC OM 1823 VoIP  Chapter 2: Installatio n 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 connectors and switches of the de [...]

LANCOM 1722 V oIP – LANCOM 1723 VoIP – L ANCOM 1724 VoIP – L ANCOM 1823 Vo IP  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 VoI P  Pow e r s w i t c h  Connection[...]

LANCOM 1722 V oIP – LANCOM 1723 VoIP – LANC OM 1724 VoIP – LANC OM 1823 VoIP  Chapter 2: Installatio n 43 EN  For safety r easons, interface ISDN 2 on the models LANCOM 1723 Vo IP and LANCOM 1823 VoIP must no t be directly or indirectly con- nected to an external exchange (e.g. the telephone network)!  Combined ISDN- analog interface[...]

LANCOM 1722 V oIP – LANCOM 1723 VoIP – L ANCOM 1724 VoIP – L ANCOM 1823 Vo IP  Chapter 2: Installation 44 EN  Reset- or- boot (standar d setting): Pr ess the button briefly to re- start the device. Pressing the button for 5 seconds or longer re starts the device and resets the configur ation to its factory settings. All LEDs on the devi[...]

LANCOM 1722 V oIP – LANCOM 1723 VoIP – LANC OM 1724 VoIP – LANC OM 1823 VoIP  Chapter 2: Installatio n 45 EN  Avoid having multiple unconfigured LANCOMs at once wi thin a single network segment. Any unconfigur ed LANCOM takes on the same IP address (ending in '254'), and so address conflicts could arise. T o avoid problems, mu[...]

LANCOM 1722 V oIP – LANCOM 1723 VoIP – L ANCOM 1724 VoIP – L ANCOM 1823 Vo IP  Chapter 2: Installation 46 EN ada pte r ( RJ1 1 soc ket t o T AE p lug ) or i n cas e of U K N o. 431 A soc ket t ype the UK FXS adapter (RJ11 socket to BA T plug) if supplied .  Connecting an alog terminal equipmen t —use an analog interface (FXS) on the L[...]

LANCOM 1722 V oIP – LANCOM 1723 VoIP – LANC OM 1724 VoIP – LANC OM 1823 VoIP  Chapter 2: Installatio n 47 EN 2.5 Configuring the ISDN and analog interfaces LANCOM VoIP Router r outers feature se veral inter faces for connection to ISDN or analog exchange lines, or for conne cting ISDN or analog terminal equip- ment. A f u n d a m e n t a l[...]

LANCOM 1722 V oIP – LANCOM 1723 VoIP – L ANCOM 1724 VoIP – L ANCOM 1823 Vo IP  Chapter 2: Installation 48 EN  If the setup does not start automatically , run AUTORUN. EXE in the root dir e ctory of the data medium. In Setup, select Install Software . The following selection me nus will appear on screen:[...]

LANCOM 1722 V oIP – LANCOM 1723 VoIP – LANC OM 1724 VoIP – LANC OM 1823 VoIP  Chapter 2: Installatio n 49 EN 2.6.2 Which software should I install?  LANconfig is the Windows configurat ion pr ogram for all LANCOM routers and LANCOM access points . WEBconfig can be used alte rna- tively or i n additi on via a web browser .  With LANmo[...]

LANCOM 1722 V oIP – LANCOM 1723 VoIP – L ANCOM 1724 VoIP – L ANCOM 1823 Vo IP  Chapter 3: Basic configuration 50 EN 3 Basic configuration The basic configuration is conducted with a convenient Setup Wizard that provides step- by- step gu idance throug h the configuration and that requests any necessary information. First of all this chapte[...]

LANCOM 1722 V oIP – LANCOM 1723 VoIP – LANC OM 1724 VoIP – LANC OM 1823 VoIP  Chapter 3: Basic configurat ion 51 EN New LAN – fully automati c configur ation possible T he se t u p w iz a r d o f fe rs t o co nf i g ur e T C P/ IP f ul ly a u t om at i ca ll y i f no ne t w or k devices connected have yet been config ured. This us ually [...]

LANCOM 1722 V oIP – LANCOM 1723 VoIP – L ANCOM 1724 VoIP – L ANCOM 1823 Vo IP  Chapter 3: Basic configuration 52 EN  Client: The LANCO M VoIP Router obtains its address information from another DHCP server; no add ress information is required.  IP address and network mask for the LANCOM VoIP Router A s s i g n t h e L A N C O M V o I[...]

LANCOM 1722 V oIP – LANCOM 1723 VoIP – LANC OM 1724 VoIP – LANC OM 1823 VoIP  Chapter 3: Basic configurat ion 53 EN Open or closed w ireless LAN? Mobile wireless devices select the des i re d wi rel es s LA N by spe ci fy ing the net - work name. T wo methods serve to faci litate the specification of network name:  Mobile wireless devi [...]

LANCOM 1722 V oIP – LANCOM 1723 VoIP – L ANCOM 1724 VoIP – L ANCOM 1823 Vo IP  Chapter 3: Basic configuration 54 EN  In the basic settings, charge pr otec tion is set to a maximum value of 600 minutes in any seven day pe riod. Please adjust this paramet er to match your own r equirements, or deac tivate charge protection if you have agr[...]

LANCOM 1722 V oIP – LANCOM 1723 VoIP – LANC OM 1724 VoIP – LANC OM 1823 VoIP  Chapter 3: Basic configurat ion 55 EN  Be aware that r eleasing this option also allows remote configuration over the Internet. Whichever option y ou select, make s ure that con- figur ation acces s is passwor d protected.  Charge pr otection is a function [...]

LANCOM 1722 V oIP – LANCOM 1723 VoIP – L ANCOM 1724 VoIP – L ANCOM 1823 Vo IP  Chapter 3: Basic configuration 56 EN the second ope rating m ode, the devi ce can ret rieve an IP addr ess for itself from a DHCP server i n the LAN.  I f a L A N C O M W i r e l e s s R o u t e r o r L A N C O M A c c e s s P o i n t i s c e n t r a l l y m [...]

LANCOM 1722 V oIP – LANCOM 1723 VoIP – LANC OM 1724 VoIP – LANC OM 1823 VoIP  Chapter 3: Basic configurat ion 57 EN dows or with command ifconfig in the console under Linux). In this case, th e LANCOM can be accessed with addr ess x.x.x.254 (the “x”s stand for the first three blocks in the IP address of the configuration computer). Net[...]

LANCOM 1722 V oIP – LANCOM 1723 VoIP – L ANCOM 1724 VoIP – L ANCOM 1823 Vo IP  Chapter 3: Basic configuration 58 EN  As an alternative, the login dialog provides a link f or an encryp ted connection over HT TPS. Always use the HTTPS connection for increased security whenever possible. Setup Wizards The setup Wizards allow quick and easy[...]

LANCOM 1722 V oIP – LANCOM 1723 VoIP – LANC OM 1724 VoIP – LANC OM 1823 VoIP  Chapter 3: Basic configurat ion 59 EN 3.4 TCP/IP settings for PC workstations It is extremely important to assi gn the correct addresses to all of the devices in the LAN. Also, all of these computers must know the IP addr esses of two central stations in the LAN:[...]

LANCOM 1722 V oIP – LANCOM 1723 VoIP – L ANCOM 1724 VoIP – L ANCOM 1823 Vo IP  Chapter 3: Basic configuration 60 EN[...]

LANCOM 1722 V oIP – LANCOM 1723 VoIP – LANC OM 1724 VoIP – LANC OM 1823 VoIP  Chapter 4: Setting up Internet access 61 EN 4 Setting up Internet access The LANCOM provides a central po int of Interne t access for all of the comput- ers in the LAN. Which WAN interface? Setting up the Internet access is carried out with the help of a convenie[...]

LANCOM 1722 V oIP – LANCOM 1723 VoIP – L ANCOM 1724 VoIP – L ANCOM 1823 Vo IP  Chapter 4: Setting up Internet access 62 EN  Billing by time or f latrate – select the method by whic h you are billed by your Internet pr ovider .  In case of bill ing by time , you ca n set the LANCOM to cut connections automatically if no data flows f[...]

LANCOM 1722 V oIP – LANCOM 1723 VoIP – LANC OM 1724 VoIP – LANC OM 1823 VoIP  Chapter 4: Setting up Internet access 63 EN 4.1 The Internet Connection Wizard 4.1.1 Instructions for LANconfig  Mark your devic e in the se lection window . From the command line, select Extras  Setup Wizard .  In the selection menu, se lect the Se tup [...]

LANCOM 1722 V oIP – LANCOM 1723 VoIP – L ANCOM 1724 VoIP – L ANCOM 1823 Vo IP  Chapter 4: Setting up Internet access 64 EN  The Wizard will inform you as soon as the entries ar e complete. Close the configuration with Finish . 4.1.2 Instructions for WEBconfig  Select the entry Set up Internet conne ction from the main menu.  In th[...]

LANCOM 1722 V oIP – LANCOM 1723 VoIP – LANC OM 1724 VoIP – LANC OM 1823 VoIP  Chapter 5: Configuring the V o IP functions 65 EN 5 Configuring the V oIP functions If you wish to emp loy the LANCOM VoIP Router as a PBX, you should initially carry out the basic settings and then r ead the manual on the VoIP PBX func- tions. This describes the[...]

LANCOM 1722 V oIP – LANCOM 1723 VoIP – L ANCOM 1724 VoIP – L ANCOM 1823 Vo IP  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 inter connecting two local area networks. LAN- LAN connectivity can be implemented in tw o basic wa[...]

LANCOM 1722 V oIP – LANCOM 1723 VoIP – LANC OM 1724 VoIP – LANC OM 1823 VoIP  Chapter 6: Connecting two networks 67 EN 6.1 Which details are necessary? The Wizard r equests you for all of the necessary details step by step. If possi- ble, you should have all of this inf ormation to hand b efore you start the Wiz- ard. The significance of t[...]

LANCOM 1722 V oIP – LANCOM 1723 VoIP – L ANCOM 1724 VoIP – L ANCOM 1823 Vo IP  Chapter 6: Connecting two networks 68 EN Notes on the differ ent settings:  If you own device fe atures an ISDN connection , the Wizar d will ask you whether the remote site also has one.  For VPN connections over the Internet, the type of IP addres s at e[...]

LANCOM 1722 V oIP – LANCOM 1723 VoIP – LANC OM 1724 VoIP – LANC OM 1823 VoIP  Chapter 6: Connecting two networks 69 EN channel from the call er . 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 I D. This is used to authe nti cate the ca ller i[...]

LANCOM 1722 V oIP – LANCOM 1723 VoIP – L ANCOM 1724 VoIP – L ANCOM 1823 Vo IP  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 th eir IP addresses, but also by f reely de finable names with the aid of DNS. For exampl e, the computer named 'pc1 .b[...]

LANCOM 1722 V oIP – LANCOM 1723 VoIP – LANC OM 1724 VoIP – LANC OM 1823 VoIP  Chapter 6: Connecting two networks 71 EN 6.2 Instructions for LANconfig Carry out the configuration on both r outers, one after the other .  Launch the Wizard 'Connect two local area networks'. Follow the Wizard’s instructions and enter the n ecess[...]

LANCOM 1722 V oIP – LANCOM 1723 VoIP – L ANCOM 1724 VoIP – L ANCOM 1823 Vo IP  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 ev en possible to simultaneously couple multiple r [...]

LANCOM 1722 V oIP – LANCOM 1723 VoIP – LANC OM 1724 VoIP – LANC OM 1823 VoIP  Chapter 6: Connecting two networks 73 EN  Select whether connection establishment is to take pl ace via the name or IP address of the central r outer , or via an ISDN connection. Enter the address or name of the central router , or its ISDN number .  The fi[...]

LANCOM 1722 V oIP – LANCOM 1723 VoIP – L ANCOM 1724 VoIP – L ANCOM 1823 Vo IP  Chapter 7: Providing dial- in access 74 EN 7 Providing dial- in access Y our LANC OM can be s et up with di al- i n access accounts enabling individual computers to dial- in to your LA N and fu lly participate in the netw ork for the duration of the connection. [...]

LANCOM 1722 V oIP – LANCOM 1723 VoIP – LANC OM 1724 VoIP – LANC OM 1823 VoIP  Chapter 7: Providing dial- in access 75 EN 7.1.1 General information The following i nformation is required for sett ing up RAS acces s. The first co l- umn shows whether the information for RAS access is required via VPN (sim- ple method with pr e- shared keys) [...]

LANCOM 1722 V oIP – LANCOM 1723 VoIP – L ANCOM 1724 VoIP – L ANCOM 1823 Vo IP  Chapter 7: Providing dial- in access 76 EN  Y ou will find information on t he 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 assigned an IP addre[...]

LANCOM 1722 V oIP – LANCOM 1723 VoIP – LANC OM 1724 VoIP – LANC OM 1823 VoIP  Chapter 7: Providing dial- in access 77 EN 7.1.3 Settings for NetBIOS r outing When working with NetBIOS, the only informat ion required is the name of a Windows workgroup in the LAN used by the router .  The connection is not established auto matically . The [...]

LANCOM 1722 V oIP – LANCOM 1723 VoIP – L ANCOM 1724 VoIP – L ANCOM 1823 Vo IP  Chapter 7: Providing dial- in access 78 EN  Assignment of IP address and name server address act i vated  '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 [...]

LANCOM 1722 V oIP – LANCOM 1723 VoIP – LANC OM 1724 VoIP – LANC OM 1823 VoIP  Chapter 7: Providing dial- in access 79 EN  Activate the options 'LA NCOM Advanc ed VPN Client' and 'Speed up con- figuration with 1- C lick- VPN'.  Enter a name for this access and select the addr ess under which the router is accessibl[...]

LANCOM 1722 V oIP – LANCOM 1723 VoIP – L ANCOM 1724 VoIP – L ANCOM 1823 Vo IP  Chapter 7: Providing dial- in access 80 EN 7.5 Instructions for WEBconfig  In t he mai n m enu , la un ch the Wiz ard 'Pro vid e re mot e a cce ss (RA S) '. Fo l- low the Wizard’ s instructions and enter the necessary dat a.  Configure the acce[...]

LANCOM 1722 V oIP – LANCOM 1723 VoIP – LANC OM 1724 VoIP – LANC OM 1823 VoIP  Chapter 8: Advanced wi reless LAN configuration 81 EN 8 Advanced wireless LAN configur ation The configuration o f the LANCOM Access Poin ts for your wireless LAN is con- ducted with the aid of highly co nvenient installation wizar ds. The settings include the ge[...]

LANCOM 1722 V oIP – LANCOM 1723 VoIP – L ANCOM 1724 VoIP – L ANCOM 1823 Vo IP  Chapter 8: Advanced wireless LAN configuration 82 EN WLAN module operation The WLAN module s can be ope rat ed in various operating modes:  As a base station (Access Point mode), the device makes the li nk between WLAN clients and the cabled LAN. P arallel to[...]

LANCOM 1722 V oIP – LANCOM 1723 VoIP – LANC OM 1724 VoIP – LANC OM 1823 VoIP  Chapter 8: Advanced wi reless LAN configuration 83 EN Point- to- point settings The configuration of P2P connections in volves setting not only the oper ating mode but also the station name that the Access Point can connect to. Also, the role as "Master"[...]

LANCOM 1722 V oIP – LANCOM 1723 VoIP – L ANCOM 1724 VoIP – L ANCOM 1823 Vo IP  Chapter 8: Advanced wireless LAN configuration 84 EN  How do the antennas have to be positioned to ensure problem- free con- nections?  What performance characte ristics do the antennas need to ensur e suffi- cient data throughput withi n the lega l limit [...]

LANCOM 1722 V oIP – LANCOM 1723 VoIP – LANC OM 1724 VoIP – LANC OM 1823 VoIP  Chapter 8: Advanced wi reless 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 waves produces amplification or inte[...]

LANCOM 1722 V oIP – LANCOM 1723 VoIP – L ANCOM 1724 VoIP – L ANCOM 1823 Vo IP  Chapter 8: Advanced wireless LAN configuration 86 EN The areas wher e the waves amplify or cancel themse lves out are kn own as Fresnel zones. The Fresnel zone 1 must remain free from obstruction in order to ensure that the maximum level of output from the trans[...]

LANCOM 1722 V oIP – LANCOM 1723 VoIP – LANC OM 1724 VoIP – LANC OM 1823 VoIP  Chapter 8: Advanced wi reless LAN configuration 87 EN T o 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 mast (M) should be as depicted: M[...]

LANCOM 1722 V oIP – LANCOM 1723 VoIP – L ANCOM 1724 VoIP – L ANCOM 1823 Vo IP  Chapter 8: Advanced wireless LAN configuration 88 EN 8.2.2 Antenna alignment for P2P oper ations The precise alignment of the antennas is of considerabl e importance in estab- lishing P2P connections. The more central the receiving antenna is located in the &quo[...]

LANCOM 1722 V oIP – LANCOM 1723 VoIP – LANC OM 1724 VoIP – LANC OM 1823 VoIP  Chapter 8: Advanced wi reless LAN configuration 89 EN The display of signal quality on the LE Ds must be activated for the wireless LAN interface (LANco nfig: Wireless LAN  General  Physical WLAN settings  Operation ). The faster the LED blinks the bette[...]

LANCOM 1722 V oIP – LANCOM 1723 VoIP – L ANCOM 1724 VoIP – L ANCOM 1823 Vo IP  Chapter 8: Advanced wireless LAN configuration 90 EN  Are both antennas approximately alig ned? The basic P2P connection has to be working before fine- tuning can be performed with the aid of LANmonitor. Once signal monitoring has commenced, the P2P dialog di[...]

LANCOM 1722 V oIP – LANCOM 1723 VoIP – LANC OM 1724 VoIP – LANC OM 1823 VoIP  Chapter 8: Advanced wi reless LAN configuration 91 EN In the 5 - GHz band, the automatic sear ch for vacant WLAN channels can lead to several simultane ous test transmissions from mu ltiple acce ss points, with t h e r e s u l t t h a t t h e y d o n o t f i n d [...]

LANCOM 1722 V oIP – LANCOM 1723 VoIP – L ANCOM 1724 VoIP – L ANCOM 1823 Vo IP  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 poi nt- to- point oper ation mode here and[...]

LANCOM 1722 V oIP – LANCOM 1723 VoIP – LANC OM 1724 VoIP – LANC OM 1823 VoIP  Chapter 8: Advanced wi reless LAN configuration 93 EN  Please observe that only the MAC ad dresses of the WLAN cards at the other end of the connections are to be entered her e! Not the access point's own MAC address, and not the MAC addresses from any ot[...]

LANCOM 1722 V oIP – LANCOM 1723 VoIP – L ANCOM 1724 VoIP – L ANCOM 1823 Vo IP  Chapter 8: Advanced wireless LAN configuration 94 EN  LANconfig: Wireless LAN  General  Point to point partners  WEBconfig: Se tup  Interface s  WLAN interpoint peers 8.2.6 Security for point- to- point connections IEEE 802.11i can be used to a[...]

LANCOM 1722 V oIP – LANCOM 1723 VoIP – LANC OM 1724 VoIP – LANC OM 1823 VoIP  Chapter 8: Advanced wi reless LAN configuration 95 EN For configuration with LANconfig you will f ind the encryption setting s under the configuration area 'Wireless LAN' on the '802.11i/WEP' tab. LEPS for P2P connections A further gain in sec[...]

LANCOM 1722 V oIP – LANCOM 1723 VoIP – L ANCOM 1724 VoIP – L ANCOM 1823 Vo IP  Chapter 8: Advanced wireless LAN configuration 96 EN 8.3 Client mode T o connect individual devices with an Ethernet interface into a wireless LAN, LANCOM dev ices with a WLAN modul e can be switched to "client mo de", whereupon they act as conventiona[...]

LANCOM 1722 V oIP – LANCOM 1723 VoIP – LANC OM 1724 VoIP – LANC OM 1823 VoIP  Chapter 8: Advanced wi reless LAN configuration 97 EN  T o edit the settings for client mode in LANconfig, go to the 'Client mode' tab under th e physical WLAN settings for the desired WLAN interface .  In 'Scan bands', define whether th[...]

LANCOM 1722 V oIP – LANCOM 1723 VoIP – L ANCOM 1724 VoIP – L ANCOM 1823 Vo IP  Chapter 8: Advanced wireless LAN configuration 98 EN  T o enter the key , change to the '802 .11i/WEP' tab under LANcon fig in the 'Wireless LAN' configur ation area. From 'WP A / private WEP settings', select the first WLAN inte[...]

LANCOM 1722 V oIP – LANCOM 1723 VoIP – LANC OM 1724 VoIP – LANC OM 1823 VoIP  Chapter 8: Advanced wi reless LAN configuration 99 EN Under normal circumstances the WLA N 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). So ft roaming on the other h[...]

LANCOM 1722 V oIP – LANCOM 1723 VoIP – L ANCOM 1724 VoIP – L ANCOM 1823 Vo IP  Chapter 8: Advanced wireless LAN configuration 100 EN active band for available access poin ts. T o achieve fast roaming the scan time is set, for example, to 260 seconds (2.4 GHz) or 720 seconds (5 GHz).[...]

LANCOM 1722 V oIP – LANCOM 1723 VoIP – LANC OM 1724 VoIP – LANC OM 1823 VoIP  Chapter 9: Sending faxes with LANCAPI 101 EN 9 Sending faxes with LANC API LANCAPI fr om LANCOM S ystems is a special version of the popular C API inter- face. CAPI (Common ISDN Application Pr ogramming Interface) establ ishes the connection between ISDN adapters[...]

LANCOM 1722 V oIP – LANCOM 1723 VoIP – L ANCOM 1724 VoIP – L ANCOM 1823 Vo IP  Chapter 9: Sending faxes with L ANCAPI 102 EN The installation of the LANCAPI client is described in the refer ence manual. This chapter shows the installati on of L A N C O M CA P I Fa x m o d e m a n d M S W i n - dows fax service.  While the CAPI Fax Modem[...]

LANCOM 1722 V oIP – LANCOM 1723 VoIP – LANC OM 1724 VoIP – LANC OM 1823 VoIP  Chapter 9: Sending faxes with LANCAPI 103 EN  Highlight the option CAPI Faxmodem , click Next and follow the instru c- tions of the installation routine . When the installati on was successful, the LANCOM CAPI Faxmodem is ente- red i n to t he Phone and Modem [...]

LANCOM 1722 V oIP – LANCOM 1723 VoIP – L ANCOM 1724 VoIP – L ANCOM 1823 Vo IP  Chapter 9: Sending faxes with L ANCAPI 104 EN  Select the option Se t up faxing from the window ’Printers and F ax’. Fol- low , if necessary , the instructions of the installation tool. I nto the recent window , an icon will appear fo r the newly installe[...]

LANCOM 1722 V oIP – LANCOM 1723 VoIP – LANC OM 1724 VoIP – LANC OM 1823 VoIP  Chapter 9: Sending faxes with LANCAPI 105 EN  Adjust the fax de vice as printer .  Click on OK. A w izard appears, th at will guide you through the r emaining sending process. 9.3.2 Send a fax with the MS Windows fax service  Open the window ’Printers [...]

LANCOM 1722 V oIP – LANCOM 1723 VoIP – L ANCOM 1724 VoIP – L ANCOM 1823 Vo IP  Chapter 10: Options and accessories 106 EN 10 Options and accessories Y our LANCOM dev ice has numerous extensibil ities and the pos sibility to use a broad choice of LANCOM ac cessories. Y ou find in this chapter informat ion about the availa ble accessories an[...]

LANCOM 1722 V oIP – LANCOM 1723 VoIP – LANC OM 1724 VoIP – LANC OM 1823 VoIP  Chapter 10: Options a nd accessories 107 EN 10.1.1 Antenna diversity The transmission of r adio signals can suffer from significant signal losses because of reflection and scatter , amon g other reasons. In some areas, the interaction with the r ef lected radio w[...]

LANCOM 1722 V oIP – LANCOM 1723 VoIP – L ANCOM 1724 VoIP – L ANCOM 1823 Vo IP  Chapter 10: Options and accessories 108 EN damage to the access point and the network infrastr ucture connected to it. T o install an optional AirLancer antenna , switch the device off by unplugging the power cable. Now car efully unplug the two diversity antenn[...]

LANCOM 1722 V oIP – LANCOM 1723 VoIP – LANC OM 1724 VoIP – LANC OM 1823 VoIP  Chapter 10: Options a nd 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, authorization, accounting). This is r e[...]

LANCOM 1722 V oIP – LANCOM 1723 VoIP – L ANCOM 1724 VoIP – L ANCOM 1823 Vo IP  Chapter 11: Security settings 110 EN 11 Security settings Yo u r L A N C O M f e a t u r e s n u m e r o u s s e c u r i t y f u n c t i o n s . T h i s c h a p t e r p r o v i d e s y o u with all of the inform ation you need to optimally pr otect your device. [...]

LANCOM 1722 V oIP – LANCOM 1723 VoIP – LANC OM 1724 VoIP – LANC OM 1823 VoIP  Chapter 11: Security settings 111 EN  The passphra ses for 802.11 i or WP A 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 encrypti on wi th 802.11i/AES or WP A/TKIP is s[...]

LANCOM 1722 V oIP – LANCOM 1723 VoIP – L ANCOM 1724 VoIP – L ANCOM 1823 Vo IP  Chapter 11: Security settings 112 EN Standard encryption with WP A- PSK The factory setting s (or those after resetting th e devi ce) are different in LANCOM Access P oints than in LANCOM Wireless Rout ers.  U n c o n f i g u r e d A c c e s s P o i n t s w i[...]

LANCOM 1722 V oIP – LANCOM 1723 VoIP – LANC OM 1724 VoIP – LANC OM 1823 VoIP  Chapter 11: Security settings 113 EN 11.1.2 802.1x / EAP The international industry standard IEEE 802.1x and the E xtensible A uthenti- cation P rotocol (EAP) enable access points to carry ou t reliable and secure access checks. The access data can be managed cen[...]

LANCOM 1722 V oIP – LANCOM 1723 VoIP – L ANCOM 1724 VoIP – L ANCOM 1823 Vo IP  Chapter 11: Security settings 114 EN 11.1.4 Access control by MA C address Every network device has a unique iden tification number . This identification number is known as the MAC addr ess ( M edia A ccess C ontro l) and it is unique worldwide. The MAC ad dre s[...]

LANCOM 1722 V oIP – LANCOM 1723 VoIP – LANC OM 1724 VoIP – LANC OM 1823 VoIP  Chapter 11: Security settings 115 EN 11.2.1 LANconfig Wizard  Mark your LANCOM i n the sele ctio n window . From the command line, select Extras  Setup Wizard .  In the selection menu, se lect the Setup Wizard , Check security settings and confirm the se[...]

LANCOM 1722 V oIP – LANCOM 1723 VoIP – L ANCOM 1724 VoIP – L ANCOM 1823 Vo IP  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 settin gs. T he following value s are edited:  Device pass word  The protocols to be availa[...]

LANCOM 1722 V oIP – LANCOM 1723 VoIP – LANC OM 1724 VoIP – LANC OM 1823 VoIP  Chapter 11: Security settings 117 EN a LANCOM WLAN Controller is overwrit ten by the central encryption settings in the profiles of the WLAN- Controller. T o check encryption settings, open LANconfig, go to the configuration area and select ‘Wir eless LAN’ on[...]

LANCOM 1722 V oIP – LANCOM 1723 VoIP – L ANCOM 1724 VoIP – L ANCOM 1823 Vo IP  Chapter 11: Security settings 118 EN  Have you activated the firewall? The stateful inspecti on firewal l of LANCOM devices ens u res that y ou local network cannot be attacked fr om the outside. Activate the fir ewall in LANconfig und er 'Firewall/ QoS&[...]

LANCOM 1722 V oIP – LANCOM 1723 VoIP – LANC OM 1724 VoIP – LANC OM 1823 VoIP  Chapter 11: Security settings 119 EN  Have you excluded certain stations from accessing t he device? A special filt er list can be use d to limi t a ccess to the device's internal fu nc- tions via TCP/IP . The phrase "internal functions" refers [...]

LANCOM 1722 V oIP – LANCOM 1723 VoIP – L ANCOM 1724 VoIP – L ANCOM 1823 Vo IP  Chapter 11: Security settings 120 EN  Have you ensured that the reset button is safe fr om accid ental configuration re sets? Some dev ices simply cannot be in stal led under lock and key . There is con- sequently a risk that the configur ation will be delete[...]

LANCOM 1722 V oIP – LANCOM 1723 VoIP – LANC OM 1724 VoIP – LANC OM 1823 VoIP  Chapter 12: Confi guring the ISDN and analog int e rfaces in detai l 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 inte rfaces can be used for connecting to a n I S D N e x c h[...]

LANCOM 1722 V oIP – LANCOM 1723 VoIP – L ANCOM 1724 VoIP – L ANCOM 1823 Vo IP  Chapter 12: Configuring the IS DN and analog interfaces in d etail 122 EN 12.2 Bus termination, life- line support and power supply The hardwar e function modes of the ISDN interfaces are set by DIP sw itches on the underside of the device.  Bus termination i[...]

LANCOM 1722 V oIP – LANCOM 1723 VoIP – LANC OM 1724 VoIP – LANC OM 1823 VoIP  Chapter 12: Confi guring the ISDN and analog int e rfaces in detai l 123 EN LANCOM 1723 VoIP and LANCOM 1823 VoIP o n ly  With the internal power supply , t h e m o d e l s L A N C O M 1 7 2 3 V o I P a n d LANCOM 1823 V oIP support a maximum of two telephones[...]

LANCOM 1722 V oIP – LANCOM 1723 VoIP – L ANCOM 1724 VoIP – L ANCOM 1823 Vo IP  Chapter 12: Configuring the IS DN and analog interfaces in d etail 124 EN  Plug the cable in agai n and start the device.  A change to the softwar e configurat ion is also necessary if the ISDN interfaces are to be set to a differ ent mode. If devices are [...]

LANCOM 1722 V oIP – LANCOM 1723 VoIP – LANC OM 1724 VoIP – LANC OM 1823 VoIP  Chapter 12: Confi guring the ISDN and analog int e rfaces in detai l 125 EN  NT mode operation always has to be set manual ly . 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 tha t[...]

LANCOM 1722 V oIP – LANCOM 1723 VoIP – L ANCOM 1724 VoIP – L ANCOM 1823 Vo IP  Chapter 12: Configuring the IS DN and analog interfaces in d etail 126 EN the ISDN connections are connected, fo r example, to an ISDN PBX which is being supplied with ISDN timing fr om another source, then interfer ence to the transmission may arise because the[...]

LANCOM 1722 V oIP – LANCOM 1723 VoIP – LANC OM 1724 VoIP – LANC OM 1823 VoIP  Chapter 13: T roubleshooting 127 EN 13 T roubleshooting In this chapter , you will find suggesti ons and assistance for a few common dif- ficulties. 13.1 No DSL connection is established After start- up the router automatically at tempts to connect to the DSL pr [...]

LANCOM 1722 V oIP – LANCOM 1723 VoIP – L ANCOM 1724 VoIP – L ANCOM 1823 Vo IP  Chapter 13: T roubleshooting 128 EN Increasing the TCP/IP window size under Windows If the actual transfer r ate of a DSL co nnection is significantly be low the fastest rate listed by the provider , there are only a few possible causes (apart from the above- me[...]

LANCOM 1722 V oIP – LANCOM 1723 VoIP – LANC OM 1724 VoIP – LANC OM 1823 VoIP  Chapter 14: Appendix 129 EN 14 Appendix 14.1 Performance data and sp ecifications LANCOM 1722 VoIP LANCOM 1723 VoIP LANCOM 1724 VoIP LANCOM 1823 V o IP Connections Ethernet L AN 4 x RJ- 45 Ether- net IEEE 802.3 (Switch), 10/ 100Base-T- Autosensing, Node/Hub- Auto[...]

LANCOM 1722 V oIP – LANCOM 1723 VoIP – L ANCOM 1724 VoIP – L ANCOM 1823 Vo IP  Chapter 14: Appendix 130 EN Voic e processing  echo cancelling (G.168)  automatic adaptive de- jitter buffer  transp arent pass- through fo r negotiate d codecs  interaction on codec n egotiation (filte r, quality , bandwdith)  voice coding with G[...]

LANCOM 1722 V oIP – LANCOM 1723 VoIP – LANC OM 1724 VoIP – LANC OM 1823 VoIP  Chapter 14: Appendix 131 EN Options  LANCOM V oIP- 32 Option for upgrading to a total of 32 local SIP users (item no. 61617)  LANCOM VPN Option 25 cha nnels (har dware a ccelerated, ma x. 25 simul- taneous connection s, 50 connections co nfigurable) fo r VP[...]

LANCOM 1722 V oIP – LANCOM 1723 VoIP – L ANCOM 1724 VoIP – L ANCOM 1823 Vo IP  Chapter 14: Appendix 132 EN Optional antannes and accessories For all LANCO M Rout er model s  LANCOM Advanced VPN Client for Windows XP , Windows Vista, Windows 7, single license, item no. 61600  LANCOM Advanced VPN Client for Windows XP , Windows Vista, [...]

LANCOM 1722 V oIP – LANCOM 1723 VoIP – LANC OM 1724 VoIP – LANC OM 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 R J45 socket, corresponding to ISO 8877, EN 60603 - 7, assembled as ISDN- TE for direct connection to an ISDN exchange line (NTBA) Connec[...]

LANCOM 1722 V oIP – LANCOM 1723 VoIP – L ANCOM 1724 VoIP – L ANCOM 1823 Vo IP  Chapter 14: Appendix 134 EN 14.2.3 ISDN interface  8- pin R J45 socket, corresponding to ISO 8877, EN 60603 - 7, assembled as ISDN- NT for connection of ISDN terminal endpoint devices 14.2.4 ISDN/Anal og interface ⌧ 8- pin RJ45 socket, assembled as:  ISD[...]

LANCOM 1722 V oIP – LANCOM 1723 VoIP – LANC OM 1724 VoIP – LANC OM 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 R J45 socket, corresponding to ISO 8877, EN 60603- 7 Connector Pin IAE 1– 2– 3a 4b 5– 6– Connector Pin IAE 1T + 2T - 3R + 4P o E / G[...]

LANCOM 1722 V oIP – LANCOM 1723 VoIP – L ANCOM 1724 VoIP – L ANCOM 1823 Vo IP  Chapter 14: Appendix 136 EN 14.2.7 Configuration interface (Outband) 8- pin mini- DIN socket 14.3 Declaration of conformity LANCOM S ystems herewi th declares that the devi ces of the type descr ibed in this documentation ar e in agreement wi th the basic r equi[...]

LANCOM 1722 V oIP – LANCOM 1723 VoIP – LANC OM 1724 VoIP – LANC OM 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 , 11 0 , 111 , 113 A Access point mode 3 , 34 Access- control list 114 ACL 113 , 114 ADSL Connections 43 Transfer rates 11 ADSL over IS DN 129 AD[...]

LANCOM 1722 V oIP – LANCOM 1723 VoIP – L ANCOM 1724 VoIP – L ANCOM 1823 Vo IP  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 Information symbols 6 Installation 33 ADSL [...]

LANCOM 1722 V oIP – LANCOM 1723 VoIP – LANC OM 1724 VoIP – LANC OM 1823 VoIP  Index 139 EN N NAT – see IP masquerading NetBIOS 70 NetBIOS proxy 26 Network connectivit y 66 Security aspects 66 , 74 Network mask 51 , 52 , 119 Network segment 45 O Optional antennas 106 Options and accessories 106 P P2P 113 Package content 33 Password 52 , 5[...]

LANCOM 1722 V oIP – LANCOM 1723 VoIP – L ANCOM 1724 VoIP – L ANCOM 1823 Vo IP  Index 140 EN Windows size 128 TCP/IP configuration Fully automa tic 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 11 9 Transfer protocol 127 Turbo Mode 29 U UDP 118 Upstream [...]