
Page 134 of 258 Alternative Call Routing for Network Bandwidth Management
Figure 42
Example of an alternately routed call between a branch office telephone in Normal Mode and a main office telephone
Telephone B calls Telephone A (the user dials DN 5262). In this example, the call alternately routes to the PSTN. (The PSTN telephone number of Telephone A is
Configuration required
Configure the following:
At the main office:
•Use one of the dialing plan software packages to process the call, such as CDP or NARS.
•Provision an ALTPrefix for the BO2 zone.
•Provision the ALTPrefix as a Steering Code at the main office. Build a Route List Index (RLI) so these calls go to the virtual trunk or configure the Vacant Number Routing feature to do the same.