I have a client that wants to reuse his old overhead paging system. It's basically an amp with an RCA plug as input. How would I go about connecting it to their new IP Telephony setup? I was reading the cisco doc about using E&M interfaces, but I'm not sure how to interconnect the E&M interface to that RCA.
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...