User's Manual

In this example, the company wants all national and international calls made at the branch to
be routed to use the headquarter site's PSTN trunks. This is in order to benefit from a bulk cost
reduction available for calls from that site.
This example assumes that all the branches were initially setup with the default North American
locale. For B5800 Branch Gateway that means that a dial 9 prefix is used for external calls.
For calls in other locales or between branches in different locals, the example will need to be
adjusted to ensure that the resulting number received at the remote branch will be routed to
an external PSTN trunk and is suitable for external dialing.
Routing B5800 Branch Gateway calls
About this task
At each B5800 Branch Gateway, we need to ensure that calls starting with 90, the external
and then international number prefixes, are routed to the branch's Avaya Aura
®
Session
Manager line rather than direct to an external PSTN line.
In the B5800 Branch Gateway system configuration, the default system short code 9N is used
to match calls prefixed with a 9. The short code removes the 9 prefix and routes the call to the
branch's ARS form 50: Main.
Procedure
1. Start Manager and connect to the B5800 Branch Gateway system.
2. In the left navigation pane, click ARS.
Branch PSTN call routing examples
326 Implementing the Avaya B5800 Branch Gateway November 2011
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