Nortel 1000 Configuration Manual page 169

Sequence of events in the call The information that follows refers to
Figure 68 "Call between a main office telephone and a branch office
telephone" (page 168)
Alternative Call Routing for NBWM" (page
Figure 69
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
2. The main office Call Server determines there is insufficient bandwidth
3. The Call Server inserts the ALTPrefix configured for the MO zone
4. The call is routed by CDP or VNR to the outgoing route using an RLI.
5. The main office manipulates the digits and the call is routed to the PSTN
Copyright © 2005-2007, Nortel Networks
.
and
(DN 3121) (action labeled 1 in
telephone and a branch office telephone" (page
between the two zones.
prior to IP Phone B's telephone number. The rebuilt number contains
the ALTPrefix.
Example: ALTPrefix assigned is 777. The dialed number becomes 777
3121.
Example: 7773 is a steering code, translated to go to an RLI where
there is one entry, a PSTN trunk route.
in the MO zone (action labeled 2 in
office telephone and a branch office telephone" (page
Example: Use DMI to delete and insert digits on the PSTN trunk route.
• delete 3 digits (remove the ALTPrefix 777)
Nortel Communication Server 1000
Main Office Configuration Guide for SRG 50
NN43001-307 02.02 Standard
Release 5.0 3 December 2007
Figure 69 "Digits dialed and outpulsed with
169).
Figure 68 "Call between a main office
Figure 68 "Call between a main
Description 169
168)).
168)).