156 Bandwidth Management
Region Provisioningdetail
1All branch offices are provisioned at the NRS to route all calls
through the main office.
1Main office sends all CDP calls to destinations that are not its
own branch office to the NRS with unchanged dialled digits.
1Main office sends all CDP calls to destinations that are its own
branch office to the NRS with a specific gateway prefix in front of
the dialled digits.
1All branch offices delete the prefix and terminate the calls. May
be to a local set or to a trunk.
2,3 Similar configuration, as above, applies to regions 2 and 3.
Call between two local branch offices
Figure 62 "Call flow for Scenario 3 - local call" (page 156) shows the call
flow of a call between two local branch offices.
Figure 62
Call flow for Scenario 3 - local call
1. The branch office userdials 43456. The system transmits 43456 to the
NRS. The NRS checks its provisioning,and deter mines that all calls are
to be sent to the main office; it directs the call to the main office.
2. The branch office sends the callto 43456 tothe main office.
3. The main office determines that this is to another branch office, with
office prefix 552. The system inserts the prefix and transmits 552-43456
Nortel Communication Server 1000
Main Office Configuration Guide forSRG 50
NN43001-307 02.02 Standard
Release 5.0 3 December 2007
Copyright© 2005-2007, Nor tel Networks
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