Network using Uniform Dialing Plan 95

Table7 "Configuration details for the general case" (page 95) describes the

network configuration and the steps that a call takes during its setup.

Tabl e 7
Configuration details for the general case
Region Call progress
steps Configuration detail and call progress
during call setup
1, 2, 3 UDP used for all calls within the region.
1, 2, 3 UDP used for region to region calls.
1, 2, 3 Prefixes for branch offices for regular calls are
required for all branch offices. May have additional
prefixes for E-911 calls, if required, or may share
prefixes.
11 All branch officesare provisioned at the NRS to route
all outbound calls (from the Branch Office) through
the main office. (NRS tandem configuration).
12 Main office sends all UDP calls to destinations
that are not its own Branch Office to the NRS with
unchanged dialled digits.
13 Main office sends all UDP calls to destinations that
are its own Branch Office to the NRS with a specific
gateway prefix in front of the dialled digits.
14 All branch offices delete the prefix and any LOC
codes, and terminate the calls. May be to a local set
or to a trunk.
2,3 Similar call setup steps take places for calls within
region 2 and 3.
Differences when every Branch Office HLOC is shared with the main
office Table8 "Provisioning details for this case" (page 95) shows the configuration

when the Branch Office HLOC is shared with the main office.

Table 8
Provisioning details for this case
Region Provisioning detail
1Provisioning on the main office requires parsing to only "normal"
LOC identification and HLOC deletion.
1LOC values that are on branch offices may be provisioned as
extended LOCs (> 3 digit codes).
Nortel Communication Server 1000
Branch Office Installation and Commissioning
NN43001-314 01.02 Standard
Release 5.0 20June 2007
Copyright© 2007, Nor tel Networks
.