•
At the Branch Office:
•
At the NRS:
•
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)
"Illustration showing digits dialed and outpulsed with Alternative Call Routing
for NBWM" (page
Figure 52
Illustration showing digits dialed and outpulsed with Alternative Call Routing for NBWM
1. IP Phone User A in the MO zone dials IP Phone B in the BO2 zone (DN
2. The main office Call Server determines there is insufficient bandwidth
3. The Call Server inserts the ALTPrefix configured for the MO zone
Copyright © 2007, Nortel Networks
.
Set up a DMI to outpulse the correct digits to the Branch Office
telephone.
No provisioning required.
No provisioning required.
137).
3121) (action labeled 1 in Example of an alternately routed call between
a main office telephone and a Branch Office telephone).
between the two zones.
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 20 June 2007
Description 137
and
Figure 52