I have a QSIG trunk from my CCM to a Siemens PABX (remote site) through a 2801 MGCP gateway.
When someone from extern calls a Siemens phone at the remote site and that phone is busy,the external caller does not hear the busy tone.if the call comes from intern or coming from another Siemens PABX,everything works fine.
Is there a parameter that is missing on the CCM (v4.1.3) for that Qsig trunk or is the problem situated on the MGCP gateway?
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...