[sip]
exten => _000,1,Answer
;exten => _X.,2,Dial(IAX2/zapsor/9${EXTEN})
exten => _000,2,goto(test,s,1)

[test]
exten => s,1,wait,1
exten => s,2,DigitTimeout,5
exten => s,3,ResponseTimeout,10

exten => _1,1,goto(sales,s,1)
exten => _*,1,goto(star,s,1)

[sales]
exten => s,1,noop,in sales

[star]
exten => s,1,noop,in star