Mine

[general]

static=yes
writeprotect=no
autofallthrough=yes
clearglobalvars=no
priorityjumping=no

[globals]

OUTBOUNDTRUNK=SIP/ventelo-outbound

[default]

;; INCOMING SIP.
[inbound]

exten => _X.,1,Macro(inbound,SIP/${EXTEN})

;; SPANDSP RXFAX TEST.
exten => _23680010,1,Macro(faxreceive)

;; OUTGOING SIP.
[outbound]

exten => _X.,1,Macro(outbound,${OUTBOUNDTRUNK}/${EXTEN})

;; INTERNAL SIP CALLS.
[internal]

include => in
include => outbound

switch => Realtime/internal@extensions

exten => _X.,1,Macro(internal,SIP/${EXTEN})

;; Voicemail.
exten => 1999,1,Set(LANGUAGE()=no)
exten => 1999,n,VoiceMailMain(s${CALLERIDNUM}@${CONTEXT})

;; Meetme.
exten => 2999,1,Set(LANGUAGE()=no)
exten => 2999,n,Meetme()

[in]

; Unconditional Call Forward
exten => _*21*X.,1,DBput(CFIM/${CALLERIDNUM}=${EXTEN:4})
exten => _*21*X.,2,Hangup
exten => #21#,1,DBdel(CFIM/${CALLERIDNUM})
exten => #21#,2,Hangup

; Call Forward on Busy or Unavailable
exten => _*61*X.,1,DBput(CFBS/${CALLERIDNUM}=${EXTEN:4})
exten => _*61*X.,2,Hangup
exten => #61#,1,DBdel(CFBS/${CALLERIDNUM})
exten => #61#,2,Hangup

[macro-outbound]
;exten => s-,1,SIPAddHeader(Remote-Party-ID: <sip:${CALLERIDNUM}@area7.appsvrslip11.prigw.com> \
;                \;party=calling\;privacy=full\;screen=yes)
exten => s,1,SIPAddHeader(Remote-Party-ID: <sip:${CALLERIDNUM}@area7.appsvrslip11.prigw.com>\;party=calling\;privacy=off\;screen=no)
exten => s,n,Dial(${ARG1})
exten => s,n,Goto(s-${DIALSTATUS},1)
exten => s-CONGESTION,1,Congestion()
exten => s-CHANUNAVAIL,1,Congestion()
exten => s-CANCEL,1,Congestion()
exten => s-NOANSWER,1,Congestion()
exten => s-BUSY,1,Congestion()

[macro-inbound]
exten => s,1,Dial(${ARG1})
exten => s,n,Goto(s-${DIALSTATUS},1)
exten => s-CONGESTION,1,Congestion()
exten => s-CHANUNAVAIL,1,Congestion()
exten => s-CANCEL,1,Congestion()
exten => s-BUSY,1,Congestion()

[macro-internal]
exten => s,1,Dial(${ARG1})
exten => s,n,Goto(s-${DIALSTATUS},1)
exten => s-CONGESTION,1,Congestion()
exten => s-CHANUNAVAIL,1,Congestion()
exten => s-CANCEL,1,Congestion()
exten => s-NOANSWER,1,Congestion()
exten => s-BUSY,1,Congestion()

[macro-faxreceive]
exten => s,1,SetVar(FAXFILE=/var/spool/asterisk-fax/${UNIQUEID}.tif)
exten => s,2,DBGet(EMAILADDR=extensionemail/${MACRO_EXTEN})
exten => s,3,rxfax(${FAXFILE})
exten => s,103,SetVar(EMAILADDR=havard@thorkildssen.com)
exten => s,104,Goto(3)
exten => h,1,system(/usr/local/bin/mailfax ${FAXFILE} ${EMAILADDR} ${CALLERIDNUM})