exten => 8005551212,1,Wait(1)
exten => 8005551212,2,Playback(pls-hold-while-try)
exten => 8005551212,3,SetCIDNum(0${CALLERIDNUM})
exten => 8005551212,4,SetCIDName(${CALLERIDNAME})
exten => 8005551212,5,Dial(IAX2/myusername@NuFone/${CELLPHONE},20)
exten => 8005551212,6,Hangup