Nortel 1000 Configuration Manual page 158

158 Bandwidth Management
Figure 64
Call flow for Scenario 3- calls to remote branch office (destination side)
1. Main office B determines that this is to a local branch office with prefix
2. The main office sends the call to 225-53456 to the branch office. The
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.
225. The system transmits 225-53456 to the NRS. The NRS checks its
provisioning, and determines that this call goes to branch office B1.
branch office deletes the prefix and LSC, and rings set 3456.
Nortel Communication Server 1000
Main Office Configuration Guide for SRG 50
NN43001-307 02.02 Standard
Release 5.0 3 December 2007