Supporting ISDN Connectivity
About this task
The Avaya Room System XT Series supports ISDN connectivity, allowing calls from endpoints to
be routed to the relevant videoconference via the Gateway for ISDN.
For deployments without a gatekeeper, you can dial ISDN endpoints by simply dialing the ISDN
number. To do so, you must first configure the endpoint with your Gateway for ISDN, as described
below. The system then automatically and transparently takes care of setting the bit rate and call
routing through the Gateway.
A single gateway can serve multiple endpoints. For example, if your organization needs to enable
5 Avaya Room System XT Series endpoints with ISDN connectivity (at a speed of 256bps), you
can use one the Gateway for ISDN, which supports 5 concurrent calls of 256bps each.
With the gateway approach less communication lines are needed. As all gateways do not connect
at the same time and not all calls are ISDN, many more endpoints can share the same ISDN
connection and gateway.
Before you begin
Enable Peer-to-Peer mode in the Gateway for ISDN. For more information, see the Gateway
documentation.
Procedure
1. Access the XT Series web interface, as described in
Accessing Web Interface on
page 147.
2. Select Administrator Settings > Protocols > ISDN.
3. Configure the ISDN settings as described below:
Figure 11: Enabling ISDN connectivity
Table 5: Supporting ISDN Connectivity
Field Description
Enable Select Yes to allow this Avaya Room System XT Series to
quickly dial ISDN endpoints via the Gateway for ISDN.
Gateway IP Address Enter the IP address of the Gateway for ISDN used by your
organization.
4. Select Save.
Planning the Topology of the Avaya Room System XT Series Deployment
August 2020 Deployment Guide for Avaya XT Series 36
Comments on this document? infodev@avaya.com
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