;sip.conf
[general]
localnet=192.168.122.0/255.255.255.0
externip=192.168.0.3

[defsip](!)
type=friend
context=siptest
host=dynamic
nat=force_rport,comedia
qualify=300

[1000](defsip)
[1001](defsip)
[1002](defsip)

;extensions.conf
[general]

[siptest]
exten => 200, 1, Answer()
exten => 200, n, Playback(hello-world)
exten => 200, n, Hangup()

exten => _100X, 1, Dial(SIP/${EXTEN})
exten => _100X, n, Hangup()