When an internal IP Phone place a call that receive from external on hold, the PSTN caller don't hear the MOH, but if the it's the internal IP Phone that calls the external phone and place it on hold, the external called can hear the MOH.
call flow when the MOH is not hearing : PSTN --> GW --> CUCM 4.X -->internal IP Phone
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...
If you have 2 ISR routers, one acting as Failover, do we need to have both the same number of SRST licenses on the 2 routers?
No. You will only need the SRST licenses on the primary router. Because this feature...