[officehours]
exten => s,1,Wait(2)
exten => s,2,Background(please-wait-connect-oncall-eng)
exten => s,3,Dial(SIP/hd305,10)
exten => s,4,Dial(ZAP/1/9w2929383,9)
exten => s,6,Dial(ZAP/1/9w3068569,9)
exten => s,8,Voicemail(u7667)
exten => s,9,Hangup()