[sip]
; calling between sip devices
exten => _199XXXX,1,Dial(SIP/${EXTEN},20,tr)
exten => _199XXXX,2,Voicemail,u${EXTEN}
exten => _199XXXX,102,Voicemail,b${EXTEN}
; for voicemail main menu
exten => _1990000,1,VoicemailMain(${CALLERIDNUM})
exten => _1990000,2,Hangup
; includes
include => app
include => emergency
include => pstn-out