I have the Asterisk 11 Running and I am having an issue with the Grandstream gateway installation.
The issue is when a caller dials in and the call is sent to voicemail,if the call is ended without
leaving a message then the line is not released.I have to manually hangup the line from the
I have also opened a ticket on the Grandstream forum and I have uploded a sample audio of
what can he heard on the voicemail message itself.