exten => 5100,1,Dial(LOCAL/900005001@public&LOCAL/900105000@public&LOCAL/900105004@public&LOCAL/900205002@public&LOCAL/900201000@private,60,t)
exten => 5100,2,voicemail,5002


; delayed ringing pseudo extensions
; exten => s,1,Dial(SIP/4999&SIP/5999&LOCAL/900155000&LOCAL/900155001)
; LOCAL/900155001 rings exten 5001 after a delay of 15 seconds

exten => _900XXXXXX,1,Wait(${EXTEN:3:2})
exten => _900XXXXXX,2,Dial(LOCAL/${EXTEN:5}@public,30,t)