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Cisco IP Telephony Troubleshooting Guide for Cisco CallManager Release 3.0(1)
If the problem seems to be occurring only through a certain gateway, such as a
Cisco Access DT-24+, then the best course of action is to enable tracing and/or view the Call
Detail Records (CDR). The CDR files will give a Cause Of Termination (COT) that may help
determine the cause of the problem. See the CDR section in the Problem Categories section
above, or Appendix D for more information about CDRs.
© 2000 Cisco Systems, Inc.
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