PVDM2 modules are supported on ISR routers such as 2801s. IOS is not an issue here. Did you try installing the PVDM on another PVDM slot on the router? If it still fails to get recognized (check show diag or show inventory to verify), then its a bad PVDM and needs to be replaced. If it gets recognized in another slot, then its a bad slot. HTH.
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...