We use a 4 port FXO in a 2911 running 151-4.M3, Cisco Unity Express 8.6.1 on ISM. The line are provided by Telekom Malaysia.The user experience weird problemSometime not able to place outgoing callSometime earing incoming call when are in conversatio...
We test the line with analog phone and we experience similar issues.I contact the Telco to fix the line.Sometime you really need to take a step back and begin the basic troubleshooting...Thank you
