Chapter 16: Troubleshooting a SIP Media
Gateway problem
The
following sections provide information to help troubleshoot problems with SIP Media Gateway voice
connections.
•
Debug command overview on page 303
• Common problems and solutions on page 309
• Troubleshooting the Mediation Server Module on page 359
• Re-imaging the Mediation Server Module on page 365
Debug command overview
The
following diagram shows the Avaya Secure Router 2330/4134 telephony building blocks.
The ISDN Signaling, CAS Signaling, FXS/FXO Signaling and SIP Signaling block take care of
the corresponding protocol signaling. The Media Stream Manager is in charge of the digital
signal processing (DSP). The Call Control Engine is the coordinating entity. The Call Routing
Logic, an extension of the Call Control Engine, takes care of call routing and route table
lookups.
The diagram also lists various debug commands associated with each of these modules. The
syntax and functionality for the commands is explained in the following sections.
• debug cas on page 304
• debug ccsip all on page
304
•
debug ccsip api on page
305
Troubleshooting August 2013
303
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