Troubleshooting guide

Contents
xiii
Cisco PGW 2200 Softswitch Release 9.8 Operations, Maintenance, and Troubleshooting Guide
OL-0800-14
Performing CIC Validation Tests 6-131
Resolving ISDN D-Channel Discrepancies 6-137
Unblocking CICs 6-139
Unblocking Locally Blocked CICs 6-139
Unblocking Remotely Blocked CICs 6-140
Resetting CICs 6-140
Resolving Stuck CICs 6-141
Manually Resolving Stuck CICs 6-142
Auditing Call States 6-144
Stopping Calls 6-144
Stopping Calls on a Cisco PGW 2200 Softswitch 6-145
Stopping Calls on a Media Gateway 6-145
Stopping Calls on a Trunk Group 6-145
Stopping Calls on a Signaling Service 6-145
Stopping Calls on Spans 6-146
Stopping Calls on CICs 6-147
Auditing an MGCP Media Gateway 6-148
Starting an MGCP Media Gateway Audit 6-148
Retrieving an MGCP Media Gateway Audit 6-148
Running a Manual Continuity Test 6-149
Verifying Continuity Test Settings 6-149
Media Gateway IP Destination or Link Out-of-Service 6-151
Calls Fail at the Cisco PGW 2200 Softswitch 6-152
3.1 kHz (ISDN Category 3) Calls are Failing 6-153
Calls are Misrouting 6-154
Resolving SIP Communication Problems 6-155
Stopping SIP-to-SIP Calls 6-155
Tracing 6-155
Performing a Call Trace 6-156
Starting A Call Trace 6-156
Starting A Call Trace (on Release 9.7(3) Patch 8) 6-158
Stopping A Call Trace 6-161
Retrieving Names of Open Call Trace Files 6-161
Viewing the Call Trace 6-162
Deleting Call Trace Files 6-163
Understanding the Call Trace 6-163
Alternatives to Call Tracing 6-165
Diagnosing Hung Calls 6-165
Performing an Abnormal Call Termination Trace 6-167
Performing a TCAP Trace 6-168