sip.conf

[general]

bindport = 5060          
bindaddr = 0.0.0.0

register=33174867040:785786@195.5.254.198
register=33176606655:854239@195.5.254.198

[33174867040]
type=user
srvlookup=yes
secret=785786
qualify=yes
insecure=very
host=195.5.254.198
dtmfmode=auto
disallow=speex
context=provencemedia
allow=all

[33176606655]
type=user
srvlookup=yes
secret=854239
qualify=yes
insecure=very
host=195.5.254.198
dtmfmode=auto
disallow=speex
context=provencemedia
allow=all

[101]
type=friend
secret=101
record_out=Always
record_in=Always
qualify=yes
port=5060
pickupgroup=
nat=yes
mailbox=101@device
host=dynamic
dtmfmode=rfc2833
disallow=speex
dial=SIP/101
context=provencemedia
canreinvite=no
callgroup=
callerid=device <101>
allow=all
accountcode=

[102]
type=friend
secret=102
record_out=Always
record_in=Always
qualify=yes
port=5060
pickupgroup=
nat=yes
mailbox=102@device
host=dynamic
dtmfmode=rfc2833
disallow=speex
dial=SIP/102
context=provencemedia
canreinvite=no
callgroup=
callerid=device <102>
allow=all
accountcode=

extensions.conf

[provencemedia]

exten => _0174867040,1,Answer()
exten => _0174867040,n,DIAL(SIP/101) 
exten => _0174867040,n,Hangup

exten => _0176606655,1,Answer()
exten => _0176606655,n,DIAL(SIP/102) 
exten => _0176606655,n,Hangup