current trunk settings:
`type=friend
tos=reliability
qualify=yes
host=192.168.1.251
dtmfmode=rfc2833
disallow=all
context=default
canreinvite=no
allow=g729
current trunk settings:
`type=friend
tos=reliability
qualify=yes
host=192.168.1.251
dtmfmode=rfc2833
disallow=all
context=default
canreinvite=no
allow=g729