I'm having a strange issue using an IOS software MTP to propagate DTMFs inband to a SIP provider. When I'm in the middle of the conversation and i press a digit on my IP Phone, i hear 4 tones on the other side of the line.
This only happens when i use a 3825 ios as the MTP. Software or Hardware based.
If i use the CUCM 8.6 resources it works fine.
If i change the MTPs codec, forcing it to use the gateways trancoding resources, it works fine.
Running a "debug voice ccapi inout" I can see the dtmf being sent inband.
I'm not able to access my old voice mail messages all of a sudden. The recording says something like 'the message is currently not available'. This has never happened before in all the years I have been using this system. I have t...