Cisco 1750 and 1751 series routers support Caller ID functions on analog FXS, FXO-M1, and FXO-M2 voice interfaces. Cisco 1751 and Cisco 1751-V also support Caller ID on the FXS mode of VIC-2DID.(FXO-M1/M2 are an enhancement of FXO with battery reversal and Caller ID features).
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...