08-21-2014 10:11 PM - edited 03-15-2019 05:29 AM
We have a customer that needs to enable T.38 on their MGCP controlled gateway with PRI. When we enable T.38 with the following commands, the PRI starts acting very strange. For example a single inbound call will show up as about 10 attempted calls in q931 debugs, and no calls can go through until we remove the T.38 commands.
Any ideas?
Solved! Go to Solution.
09-02-2014 11:59 PM
Please provide the call manager version. and logs for following debugs for failed call
- debug isdn q931
- debug mgcp packets
08-26-2014 05:31 AM
Hi,
Can you check if your IOS and running config is not suspect to the following bug
https://tools.cisco.com/bugsearch/bug/CSCta55752
09-02-2014 11:59 PM
Please provide the call manager version. and logs for following debugs for failed call
- debug isdn q931
- debug mgcp packets
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