за изходящи разговори:
sip.conf:

[voipprovider]
type=peer
host=sip.edikoisi.com
dtmfmode=rfc2833
relaxdtmf=yes
username=user
secret=password
canreinvite=no
qualify=yes
disallow=all
allow=g729 ; spored codec-a
extensions.conf:
exten => _0.,1,Dial(SIP/voipprovider,tr)
в случая се излиза с 0

за входящи разговори
sip.conf:
register => user:pass@IP_ili_hostname_na_providera/Nqkyw_extension
naprimer:
register => az:pass@sip.provider.com/66
extensions.conf:
exten => 66,1,Dial(SIP/Twoq_exten,tr)