crazyass:/etc/asterisk# nano extensions.conf
  GNU nano 1.2.4                                               File: extensions.conf                                                Modified

[globals]
JOHN=Zap/1
JANE=SIP/jane


[incoming]
exten => s,1,Answer( )
exten => s,2,Background(enter-ext-of-person)

; Dial, w/ timeout of 36s (6rings)
exten => 101,1,Dial(${JOHN},36)
exten => 101,2,VoiceMail(101)
exten => 101,3,Hangup( )
exten => 101,102,Playback(tt-allbusy)
exten => 101,103,Hangup( )

exten => 102,1,Dial(${JANE},36)
exten => 102,2,VoiceMail(102)
exten => 102,3,Hangup( )
exten => 102,102,Playback(tt-allbusy)
exten => 102,103,Hangup( )


; Drop Everything Else
exten => i,1,Playback(pbx-invalid)
exten => i,2,Goto(incoming,s,1)
exten => t,1,Playback(vm-goodbye)
exten => t,2,Hangup( )

[internal]
exten => 101,1,Dial(${JOHN},,36)
exten => 101,2,VoiceMail(101)
exten => 101,3,Hangup( )

exten => 102,1,Dial(${JANE},,36)
exten => 102,2,VoiceMail(102)
exten => 102,3,Hangup( )

[outgoing]
exten => _1NXXNXXXXXX, 1, dial(SIP/${EXTEN}@sip.broadvoice.com,30)
exten => _1NXXNXXXXXX, 2, congestion()
exten => _1NXXNXXXXXX, 102, busy()