exten => _141,1,Dial(Sip/141|30|tmo)
exten => _142,1,Dial(Sip/141|30|tmo)

exten => _111,1,Dial(Sip/181|30|tm)
exten => _123,1,Goto(welkom|s|1)

exten => _181,1,Set(CALLERID(number)=321)
exten => _181,2,Dial(Sip/181|30|tmoM(screen))
exten => _181,3,AGI(festival-script.pl|Whats guhbird)
exten => _181,102,AGI(festival-script.pl|Whats guhbird)
exten => _181,103,AGI(festival-script.pl|Whats guhbird)