That all depends. Are you trying to block a call based on the calling number, or are you trying to block all PSTN calls to this extension? Is this an MGCP or H.323 gateway. Please provide more information. Thanks
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...