Someone

exten => prompt,1,Wait(1)
exten => prompt,2,HasNewVoiceMail(${VM_BOX}@${VM_CONTEXT})
exten => prompt,3,Set(LOOP=1)
exten => prompt,4,ResponseTimeout(1)
exten => prompt,5,Background(vm-youhave)
exten => prompt,6,SayNumber(${HASVMSTATUS})
exten => prompt,7,Background(vm-INBOX)
exten => prompt,8,Background(vm-messages)
exten => prompt,9,Background(vm-for)
exten => prompt,10,Background(extension)
exten => prompt,11,SayDigits(${VM_BOX})
exten => prompt,12,Background(vm-instructions)

exten => 1,1,ResponseTimeout(0)
exten => 1,2,VoicemailMain(${VM_BOX}@${VM_CONTEXT})
exten => 1,3,Hangup

exten => #,1,Playback(goodbye)
exten => #,2,Hangup

exten => t,1,GotoIf($[${LOOP} > 3]?#,1:t,2)
exten => t,2,Set(LOOP=$[${LOOP} + 1])
exten => t,3,Goto(prompt,5)