Nortel 1000 Branch of?ce Installation And Commissioning Manual page 134

134 Alternative Call Routing for Network Bandwidth Management
Figure 50
Illustration showing digits dialed and outpulsed with Alternative Call Routing for NBWM
1. IP Phone User B in the BO2 zone dials IP Phone A in the main office
2. The main office Call Server determines there is insufficient bandwidth
3. The Call Server inserts the ALTPrefix configured for the BO2 zone prior
Copyright © 2007, Nortel Networks
.
zone (DN 5262) (action labeled 1 in
routed call between a Branch Office telephone in Normal Mode and a
main of" (page 132)).
between the two zones.
to IP Phone A's telephone number, dialed by the user.
Example: ALTPrefix assigned is 222. The dialed number becomes 222
5262.
Nortel Communication Server 1000
Branch Office Installation and Commissioning
NN43001-314 01.02 Standard
Release 5.0 20 June 2007
Figure 49 "Example of an alternately