unix 2012-03-20 15-40-58

asterisk: cat extensions.conf

[general]

[internal-in]
exten => _750[1-3],1,Noop(Internal call from ${CALLERID(all)} to ${EXTEN})
exten => _750[1-3],n,Dial(SIP/${EXTEN},60)
exten => _750[1-3],n,Goto(s-${DIALSTATUS},1)
exten => _750[1-3],n,Hangup

exten => s-NOANSWER,1,Hangup(18)
exten => s-CHANUNAVAIL,1,Hangup(3)
exten => s-CONGESTION,1,Hangup(27)
exten => s-BUSY,1,Hangup(17)

exten => i,1,Noop(Internal call from ${CALLERID(all)} to ${EXTEN})
exten => i,n,Hangup(1)