It is not easy as it seems, basically because nowadays is hard to find someone willing to take apart a cisco phone to hook up the necessary circuitry.
A working alternative is the following: in the router, install an FXS port and configure for SCCP service. Wire to location and connect a commercially available external ringer. Configure phone and port as shared line in CM or CME.
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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