Mine

[globals]
OFFICENAME=PrivalODC Inc

[incoming]
exten => s,1,Answer()
exten => s,2,Playback(prival-intro)
exten => 100,1,Directory(internal|internal)
include => internal
include => voicemail

[outgoing-specials]
ignorepat => 9
exten => 411,1,SetCallerID(${OFFICENAME})
exten => 411,2,Dial(Zap/1/${EXTEN:1})
exten => 411,3,Gotoif(Congestion?4)
exten => 411,4,Dial(Zap/2/${EXTEN:1})
exten => 411,5,Busy
exten => 411,6,Hangup
exten => 611,1,SetCallerID(${OFFICENAME})
exten => 611,2,Dial(Zap/1/${EXTEN:1})
exten => 611,3,Gotoif(Congestion?4)
exten => 611,4,Dial(Zap/2/${EXTEN:1})
exten => 611,5,Busy
exten => 611,6,Hangup
exten => 911,1,SetCallerID(${OFFICENAME})
exten => 911,2,Dial(Zap/1/${EXTEN:1})
exten => 911,3,Gotoif(Congestion?4)
exten => 911,4,Dial(Zap/2/${EXTEN:1})
exten => 911,5,Busy
exten => 911,6,Hangup

[outgoing-local]
ignorepat => 9
exten => _XXXXXXX,1,SetCallerID(${OFFICENAME})
exten => _XXXXXXX,2,Dial(Zap/1/${EXTEN:1})
exten => _XXXXXXX,3,Gotoif(Congestion?4)
exten => _XXXXXXX,4,Dial(Zap/2/${EXTEN:1})
exten => _XXXXXXX,5,Busy
exten => _XXXXXXX,6,Hangup
exten => _ZZZXXXXXXX,1,SetCallerID(${OFFICENAME})
exten => _ZZZXXXXXXX,2,Dial(Zap/1/${EXTEN:1})
exten => _ZZZXXXXXXX,3,Gotoif(congestion?3)
exten => _ZZZXXXXXXX,4,Dial(Zap/2/${EXTEN:1})
exten => _ZZZXXXXXXX,5,Busy
exten => _ZZZXXXXXXX,6,Hangup

[outgoing-longdistance]
ignorepat => 9
exten => _1ZZZXXXXXXX,1,SetCallerID(${OFFICENAME})
exten => _1ZZZXXXXXXX,2,Dial(Zap/1/${EXTEN:1})
exten => _1ZZZXXXXXXX,3,Gotoif(Congestion?4)
exten => _1ZZZXXXXXXX,4,Dial(Zap/2/${EXTEN:1})
exten => _1ZZZXXXXXXX,5,Busy
exten => _1ZZZXXXXXXX,6,Hangup

[outgoing-tollfree]
ignorepat => 9
exten => _18ZZXXXXXXX,1,SetCallerID(${OFFICENAME})
exten => _18ZZXXXXXXX,2,Dial(Zap/1/${EXTEN:1})
exten => _18ZZXXXXXXX,3,Gotoif(Congestion?4)
exten => _18ZZXXXXXXX,4,Dial(Zap/2/${EXTEN:1})
exten => _18ZZXXXXXXX,5,Busy
exten => _18ZZXXXXXXX,6,Hangup

[internal]
exten => 501,1,Dial(SIP/501,10,rt)
exten => 501,2,Voicemail(501)
exten => 502,1,Dial(SIP/502,10,rt)
exten => 502,2,Voicemail(502)
exten => 503,1,Dial(SIP/503,10,rt)
exten => 503,2,Voicemail(503)
exten => 504,1,Dial(SIP/504,10,rt)
exten => 504,2,Voicemail(504)
exten => 505,1,Dial(SIP/505,10,rt)
exten => 505,2,Voicemail(505)
exten => 506,1,Directory(internal|internal)
exten => 0,1,Dial(SIP/502,10,rt)
exten => 0,2,Dial(SIP/501&SIP/502&SIP/503&SIP/504&SIP/505,10,rt)
exten => 0,3,Voicemail(0)

include => voicemail
include => prompts
include => conf-room
include => outgoing-local
include => outgoing-longdistance
include => outgoing-tollfree
include => outgoing-specials

[voicemail]
exten => *98,1,Voicemailmain

[conf-room]
exten => 1000,1,MeetMe(1000)

[prompts]
exten => *1,1,Answer()
exten => *1,2,Record(test:gsm)
exten => *1,3,Playback(test)
exten => *1,4,Hangup()