Okay, i posted the same topic in VoIP group,pls bear with this mistake.
I've a question, i got two SIP phone, A=7941G, B-7911G with CUCM6.1. When A placed an on-net call to B, A received ringback tone and B ring. B answered the call, voice stream goes through, no issue for communication between A & B. UserA press any phone keypad (0~9)on A during conversation,by right both end (user A & B) should heard a tone, which caused by A pressing the phone keypad. But now seem not. When userA press any key on phone keypad, both end didn't hear any tone.
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...