Dial Plan Considerations; Computer (Sip) Calls - Nortel 1000 Fundamentals

Figure 18
Signaling security with TLS

Dial Plan considerations

Nortel Converged Office is comprised of the following two components:
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Whether you choose one or both components for deployment, an Office
Communicator is essential. This allows the existing dial plan (that users
have become accustomed to with their existing telephony interfaces) to
extend seamlessly to the Office Communicator client for either call type.
This includes all existing CS 1000 dial plan features such as Coordinated
Dial Plan (CDP) and Uniform Dial Plan (UDP), and Group Dial Plan.
The following lists summarize the features that contribute to the dial plan
configuration for the Converged Office feature from the perspective of calls
originated and received from Office Communicator.

Computer (SIP) Calls

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Nortel Converged Office Fundamentals — Microsoft Office Communications Server 2007
Copyright © 2005–2008, Nortel Networks
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SIP CTI Services provides CS 1000 native TR/87 support to enable the
Remote Call Control functionality available with Office Communicator.
Telephony Gateway and Services allows you to originate and receive SIP
calls (for example, VoIP and Computer calls) from Office Communicator.
Number format entered in Active Directory or Office Communicator
Office Communications Server Address Book Service Normalization
rules
Network Redirect Service (NRS)
CS 1000 SIP Gateway configuration
Nortel Communication Server 1000
NN43001-121 01.03 Standard
Release 5.0 30 April 2008
General requirements 61