type = peer
host = 138.68.159.85
port = 5060
permit = x.x.x.x/32 fs ip
directmedia = yes
canreinvite = no
insecure = port,invite
context = from-fs
dtmfmode = auto
qualify = yes
qualify = 200
sendrpid = yes
trustrpid = yes
disallow = all
allow = ulaw
allow = g729
username=myusername
secret=mypassword