
Call termination problem analysis 39
Figure 9
Call termination problem analysis (part 2)
Prerequisites
• "Call termination problem scenario setup" (page 36)
Procedure Steps
Step Action
1 In the packet capture, look for the INVITE message from the
UEXT.
2
If the INVITE message is not present, check the configuration of
the device on the call server.
3 Look for the 180 ringing message from the call server to
the gateway and determine if the gateway sends the 200 OK
message to the client.
4 If the 200 OK message does not appear, check the configuration
of the client on the gateway.
Nortel Mobile Communication 3100
Nortel Mobile Communication 3100 Troubleshooting
NN42030-700 01.03 Standard
9 June 2009
Copyright © 2008-2009 Nortel Networks
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