i wan to connect gsm to issabel .
creat extention
creat trunk as below
host=*.*.*.*
username=1001
secret=****
fromuser=1001
type=friend
dtmfmode=rfc2833
insecure=port,invite
context=from-trunk
qualify=yes
port=5060
and use defult outboand 9-outside
in gatway endpoint set as client with user and pass
I made the settings in elastix and work well before but it didn't work in issabel now