FXS-FXO direct connection and dial issue from FXS to FXO
In the following connectivity,
1. IP phone(5210) able to dial FXS phone(4161112000)
2. when I dial from FXS phone to IP phone, ringing is okay but disconnect immediate when I pick the IP phone. at this time, hear short tone four times in FXS phone (sounds like DTMF digit correction tone or re-dial).
IP phone(#5210)--CCM--VG(FXO port)--(RJ11 cable)--VG(FXS port)--Phone(from FXS port)
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...