Chapter 5

Unified CM SIP Trunk Configuration

This chapter covers the following topics:

SIP Trunk Overview and Configuration: This section details how to configure SIP trunks and the various settings used for interoperability between many different SIP trunk integrations.

SIP Trunk Features: This section covers a few of the features provided by SIP trunks and their operation.

Verify and Troubleshoot Unified CM SIP Trunks: This section describes some troubleshooting techniques, tools, and methods that can be used when verifying calls that traverse Unified CM SIP trunks.

This chapter covers the following CLACCM 300-815 exam topics:

  • 1.1 Troubleshoot these elements of a SIP conversation

    • 1.1.a Early media

    • 1.1.d Session timers

  • 1.3 Troubleshoot media ...

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