Yes , it's MGCP and SRST, but I do have 9T under outbound dial peer and outbound works very well in SRST mode.
Here is dial -peer config
dial-peer voice 100 pots
The problem is only forward call . For test purpose, actually I also tried forward the call to internal number but still get fast busy signal. I am thinking maybe I missed any other SRST related command, like call-forward pattern.
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...