Nortel 1000 Configuration Manual page 165

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At the branch office:
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At the NRS:
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Sequence of events in the call The information that follows refers to
Figure 66 "Call between a branch office telephone in Normal Mode and a
main office telephone" (page
with Alternative Call Routing for NBWM" (page
Figure 67 "Digits dialed and outpulsed with Alternative Call Routing for
NBWM" (page 166)
station-to-station call. The diagram assumes that alternately routed calls
originate on Voice Gateway Media Cards at the branch office.
Copyright © 2005-2007, Nortel Networks
.
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.
Provision the ALTPrefix as a steering code. Build a Route List Index and
DMI associated with this steering code that alternately routes these calls
to the PSTN with the correct digits.
Create a CDP entry for the ALTPrefix in the branch office gateway.
illustrates the steps that occur in an alternately routed
Nortel Communication Server 1000
Main Office Configuration Guide for SRG 50
NN43001-307 02.02 Standard
Release 5.0 3 December 2007
164)and Figure 67 "Digits dialed and outpulsed
166).
Description 165