Does SIP on the cisco gateway 2901 required DSP PVDM channels
No do you not need PVDMs unless you require transcoders for whatever reason in which case PVDMs are the only way to build transcoders. An example of required transcoders might be calls arrive from SIP provider as G729 yet you have UCCX application installed as G711. Another example might be calls arrive as G711 and need to be delivered to remote location as G729.
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...
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