We don't use CUCM so I don't know how the SX20 operates when registered to it, but obviously the SX20 is a dual stack (SIP and H.323) device. It will register to CUCM using SIP, however, it is possible to use the H.323 feature for other operations such as direct calling, or is this something that is disabled when you register the device to CUCM?
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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