The PBX unregisters from the sip trunk. i can make calls but no audio, only when i do amportal restart it registers again an let me do and receive call works normal for half an hour or so then it does the same.
here is my conf
outgoing
Peer Detail
host=172.xx.xx.xx
username=787xxxxxxxx
remotesecret=xxxxxx
type=friend
context=from-trunk
qualify=yes
nat=yes
disallow=all
allow=ulaw
Incoming
userdetail
register struing : 787xxxxxxx:[email protected]