VoIP: Asterisk Demo Dial Plan
Edit
vi /etc/asterisk/extensions.conf
Isi di bagian paling bawah
exten => _20XX,1,Dial(SIP/${EXTEN},30,rt) exten => _20XX,2,HangUp
exten => _021.,1,Dial(SIP/${EXTEN:3}@2031,20.rt) exten => _08.,1,Dial(SIP/${EXTEN}@2031,20.rt)