Asterisk: SIP

sip.conf

[general]                 register => <username>:<password>@toronto.voip.ms:5060  [ezvoipco] canreinvite=no context=mycontext host=toronto.ezvoip.co secret=<password> type=friend username=<username> disallow=all allow=ulaw ; allow=g729 ; Uncomment if you support G729 fromuser=<username> trustrpid=yes sendrpid=yes insecure=port,invite ; nat=yes ; Uncomment this if your box is behind a NAT

Extensions.conf

[mycontext] include => ezvoipco-outbound include => ezvoipco-inbound  [voipms-outbound] exten => _1NXXNXXXXXX,1,Dial(SIP/${EXTEN}@ezvoipco)

exten => _1NXXNXXXXXX,n,Hangup() exten => _NXXNXXXXXX,1,Dial(SIP/1${EXTEN}@ezvoipco)

exten => _NXXNXXXXXX,n,Hangup() exten => _011.,1,Dial(SIP/${EXTEN}@ezvoipco)

exten => _011.,n,Hangup() exten => _00.,1,Dial(SIP/${EXTEN}@ezvoipco)

exten => _00.,n,Hangup()  ; inbound context example  [voipms-inbound] exten => <your 10-digit phone number>,1,Answer()