Protocol Setting - Lancom 1722 VoIP User Manual

2.5.2

Protocol setting

Paramters for the ISDN interfaces are entered into LANconfig in the configu-
ration area 'Interfaces' on the 'WAN' tab. Under WEBconfig, Telnet or SSH cli-
ent you will find the settings for the ISDN interface parameters under Setup/
Interfaces/WAN.
Select the protocol for each ISDN interface according to its application and the
ISDN connection type: Point-to-multipoint and point-to-point connections
can be used in various combinations at a LANCOM VoIP Router. The following
options are available:
Automatic for automatic selection of the operating mode (only in TE
mode)
DSS1 TE (Euro ISDN) for connection to a point-to-multipoint ISDN bus.
DSS1 TE point- to- point for connection to a point-to-point ISDN bus.
1TR6 TE (German ISDN) for connection an ISDN bus which uses this pro-
tocol (in Germany only).
DSS1 NT (Euro ISDN) to provide point-to-multipoint ISDN interfaces
DSS1 NT reverse to provide point-to-multipoint interfaces while main-
taining the ISDN timing of the connected ISDN line, please refer to 'ISDN
connection timing'
DSS1 NT (point- to-point) to provide point-to-point ISDN interfaces
DSS1 NT point- to- point reverse to provide point-to-point interfaces
while maintaining the ISDN timing of the connected ISDN line, please
refer to 'ISDN connection timing'
DSS1 timing to maintain the ISDN timing of the connected ISDN line,
please refer to 'ISDN connection timing'
Off
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.
If an ISDN device is attached to an ISDN interface that is set to auto

and is not recognized properly, set the required protocol manually.
LANCOM 1722 VoIP – LANCOM 1724 VoIP
Chapter 2: Installation
51