Figure 30 call flow for scenario 1- local call, Office – Nortel Networks NN43001-314 User Manual

Page 98

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98

Bandwidth Management

3. The main office determines that this is LOC 39534 to another Branch

Office, with gateway routing prefix 552. The system inserts the
prefix and transmits 552-395-3456 to the NRS. The NRS checks its
provisioning, and determines that all calls to prefix 552 are to be sent to
Branch Office A2; it directs the call to the Branch Office.

4. The main office sends the call to 552-395-3456 to the Branch Office.

The Branch Office deletes the prefix and the HLOC and rings set 3456.

No Branch Office HLOC is shared with the main office or another
Branch Office

In this example, the HLOC is unique between all the branch offices and the
main office. See

Figure 30 "Call flow for Scenario 1- local call" (page 98)

.

Figure 30
Call flow for Scenario 1- local call

1. The Branch Office user dials 6-395-3456. The system transmits

399-3456 to the Branch Office user dials 6-399-3456. NRS. The NRS
checks its provisioning, and determines 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 call to 399-3456 to the 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
552-399-3456 to the NRS. The NRS checks its provisioning, and

Nortel Communication Server 1000

Branch Office Installation and Commissioning

NN43001-314

01.02

Standard

Release 5.0

20 June 2007

Copyright © 2007, Nortel Networks

.

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