We are hitting conference issue. When A call external B, call connected successful, then A conference external C. A press conference button to dial C number, then B is be held. A connects to C successful. However, A press conference button again to bridge all 3 parts, both B and C are disconnected straight away.
I have went through logs, can see correct MTP has been allocated but no obvious error. Call flow as below:
There is no information about the call in the attached file. Please collect the detailed ccm traces again and verify the calls are captured in those files. Together with CCM traces, please collect debug voice ccapi inout & debug ccsip message from CUBE.
few questions though
1) do you have hardware CFB configured and registered in CUCM?
2) If yes, have you added them to phone's MRGL?
3) If not, can you crosscheck if the phone's MRGL has software CFB associated?
4) If internal extension-A calls external number B and conference in with another INTERNAL extension C, does this scenario works?
These are the paths to get to each CCX logs through CLI. They may be helpful if you are having issues accessing RTMT or downloading logs through it.
If you want to download them you have to prefix "file get " and you can add one of the options (re...