Then the CME configuration is irrelevant here as the issue is on CUCM side, are you using hardware or software bridge?
If software then what is the region between the CME trunk and the phone (what codec is defined) as you may need transcoders if G729 is defined due to the fact that software conference bridge only supports G711.
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...