Nortel Networks NN43001-314 - page 137

Description 137
•Set up a DMI to outpulse the correct digits to the Branch Office
telephone.
At the Branch Office:
•No provisioning required.
At the NRS:
•No provisioning required.
Sequence of events in the call The information that follows refers to
Figure 51 "Example of an alternately routed call between a main office
telephone and a Branch Office telephone" (page 136) and Figure 52
"Illustration showing digits dialed and outpulsed with Alternative Call Routing
for NBWM" (page 137).
Figure 52
Illustration showing digits dialed and outpulsed with Alternative Call Routing for NBWM
1. IPPhone User A in the MO zone dials IP Phone B in the BO2 zone (DN
3121) (action labeled 1 in Example of an alternately routed call between
a main office telephone and a Branch Office telephone).
2. Themain office Call Server determines there is insufficient bandwidth
between the two zones.
3. TheCall Server inserts the ALTPrefix configured for the MO zone
prior to IP Phone B’s telephone number. The rebuilt number contains
the ALTPrefix.
Nortel Communication Server 1000
Branch Office Installation and Commissioning
NN43001-314 01.02 Standard
Release 5.0 20June 2007
Copyright© 2007, Nor tel Networks
.