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146 Bandwidth Management
Figure 55
Tandem endpoint configuration in Element Manager
2
Plan the gateway routing prefixes. At least one prefix is needed per
branch office, although any branch offices that have a prefix for ESA
911 calls does not necessarily require another. (These prefixes will
be SPN - Special Number - entries if you are using ESA 911. In the
example these are LOC codes because
network 911 is not being
used.) In our example the Branch office prefixes are 741 (branch
office B) and 742 (branch office A).
3
Provision the NRS to send all calls to a LOC without a gateway
routing prefix to the main office of that LOC, or to the main office
which provides service for the branch office using the LOC. In our
example the NRS is provisioned with 841 (for main office B) and 842
(for main office A).
4 Provision the NRS to send all calls to a LOC with a gateway routing
prefix to the branch office directly. Using the gateway routing prefix
and the Type of Number as used (LOC or SPN), the entries can be
differentiated from the normal LOC easily.
In our example the NRS is provisioned with 741-841 at branch office
B and 742-842 for branch office A.
5
Provision the main office with the DGT table DMI to insert the
prefixes and set the Type of Number correctly. Create RLB RLI
entries to use these DMI for the VTRK route(s). One RLI per branch
office will be the minimum requirement. Note that calls from remote
systems will typically have the HLOC prefix, so this is defined here
Nortel Communication Server 1000
Main Office Configuration Guide for SRG 50
NN43001-307 02.02 Standard
Release 5.0 3 December 2007
Copyright © 2005-2007, Nortel Networks
.