Call survivability must be considered for both the CVP and non-CVP related calls. For the Cisco CallManager endpoint phones, this is accomplished via on IOS feature known as Survivable Remote Site Telephony (SRST).
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...