[general]
register => myusername:mypassword@sip.flowroute.com
allow=ulaw

[flowroute]                     ; keep this lowercase, do not change format
type=friend
secret=mypassword
username=myusername
host=sip.flowroute.com
dtmfmode=rfc2833
context=inbound
canreinvite=no
allow=ulaw
insecure=port,invite
fromdomain=sip.flowroute.com

[outgoing]
exten=> _03.,1,Dial(SIP/${EXTEN}@flowroute,30)

CLI> sip show peers
Name/username             Host                                    Dyn Forcerport ACL Port     Status      Description

flowroute/84106639        216.115.69.144                               a             5060     Unmonitored

goip/goip                 192.168.10.6                             D   a             5060     OK (6 ms)

register => myusername:mypassword:myusername@sip.flowroute.com/84106639

exten=> _03.,1,Dial(SIP/flowroute/${EXTEN},30)