[incoming]
exten => incoming,1,Goto(menu,s,1)

[menu]
exten => s,1,Answer
exten => s,2,Wait(2)
exten => s,3,Background(vm-enter-num-to-call)
exten => s,4,WaitExten(20)
exten => 1,1,Dial(SIP/adrian,60)
exten => 2,1,Dial(SIP/bernhard,60)
;exten => 3,1,Dial(SIP/christian,60)
exten => 3,1,Playback(tt-monkeys)
exten => 4,1,Dial(SIP/eveline,60)
exten => i,1,Goto(menu,s,2)