[global]

RINGTIME=20

[default]

exten => _0.,1,Dial(SIP/${EXTEN}@sipgate,60)
exten => _0.,2,Congestion
exten => _0.,102,Busy

exten => 200,1,Dial(SIP/200)
exten => 200,2,Hangup

exten => 201,1,Dial(SIP/201)
exten => 201,2,Hangup

exten => 663,1,Playback(demo-echotest)
exten => 663,2,Echo
exten => 663,3,Playback(demo-echodone)

[incomingsipgate]
exten => 3921034,1,Dial(SIP/200)

[Intern]
exten => 400,1,Dial(misdn/1/400)
exten => 401,1,Dial(misdn/1/401)