-----------------------
Output from CLI 
-----------------------
  -- Starting simple switch on 'Zap/2-1'
  == Starting Zap/2-1 at DID_trunk_3,s,1 failed so falling back to exten 's'
  == Starting Zap/2-1 at DID_trunk_3,s,1 still failed so falling back to context 'default'
[Apr 20 11:12:39] WARNING[7144]: pbx.c:2432 __ast_pbx_run: Channel 'Zap/2-1' sent into invalid extension 's' in context 'default', but no invalid handler
    -- Hungup 'Zap/2-1'

-----------------------
zapata.conf
-----------------------
[trunkgroups]

[channels]
context=default
switchtype=national
signalling=fxo_ls
rxwink=300                                                                            
usecallerid=no
hidecallerid=no
callwaiting=yes
usecallingpres=yes
callwaitingcallerid=yes
threewaycalling=yes
transfer=yes
canpark=yes
cancallforward=yes
callreturn=yes
echocancel=yes
echocancelwhenbridged=yes
rxgain=0.0
txgain=0.0
group=1
callgroup=1
pickupgroup=1
immediate=no
signalling = fxs_ks
channel => 1,2
signalling = fxs_ks
channel => 1,2
------------------------
extensions.conf
------------------------
[general]
static = yes
writeprotect = no
clearglobalvars = no
[globals]
CONSOLE = Console/dsp  ; Console interface for demo
IAXINFO = guest  ; IAXtel username/password
TRUNK = Zap/g2  ; Trunk interface
TRUNKMSD = 1  ; MSD digits to strip (usually 1 or 0)
trunk_1 = Zap/g1
trunk_2 = Zap/g2
trunk_3 = Zap/g3
[dundi-e164-canonical]
[dundi-e164-customers]
[dundi-e164-via-pstn]
[dundi-e164-local]
include => dundi-e164-canonical
include => dundi-e164-customers
include => dundi-e164-via-pstn

[dundi-e164-switch]
switch => DUNDi/e164

[dundi-e164-lookup]
include => dundi-e164-local
include => dundi-e164-switch
[macro-dundi-e164]
exten => s,1,Goto(${ARG1},1)
include => dundi-e164-lookup
[iaxtel700]
exten => _91700XXXXXXX,1,Dial(IAX2/${GLOBAL(IAXINFO)}@iaxtel.com/${EXTEN:1}@iaxtel)
[iaxprovider]
[trunkint]
exten => _9011.,1,Macro(dundi-e164,${EXTEN:4})
exten => _9011.,n,Dial(${GLOBAL(TRUNK)}/${EXTEN:${GLOBAL(TRUNKMSD)}})

[trunkld]
exten => _91NXXNXXXXXX,1,Macro(dundi-e164,${EXTEN:1})
exten => _91NXXNXXXXXX,n,Dial(${GLOBAL(TRUNK)}/${EXTEN:${GLOBAL(TRUNKMSD)}})
[trunklocal]
exten => _9NXXXXXX,1,Dial(${GLOBAL(TRUNK)}/${EXTEN:${GLOBAL(TRUNKMSD)}})

[trunktollfree]
exten => _91800NXXXXXX,1,Dial(${GLOBAL(TRUNK)}/${EXTEN:${GLOBAL(TRUNKMSD)}})
exten => _91888NXXXXXX,1,Dial(${GLOBAL(TRUNK)}/${EXTEN:${GLOBAL(TRUNKMSD)}})
exten => _91877NXXXXXX,1,Dial(${GLOBAL(TRUNK)}/${EXTEN:${GLOBAL(TRUNKMSD)}})
exten => _91866NXXXXXX,1,Dial(${GLOBAL(TRUNK)}/${EXTEN:${GLOBAL(TRUNKMSD)}})

[international]
ignorepat => 9
include => longdistance
include => trunkint

[longdistance]
ignorepat => 9
include => local
include => trunkld

[local]
ignorepat => 9
include => default
include => trunklocal
include => iaxtel700
include => trunktollfree
include => iaxprovider
include => parkedcalls
[macro-trunkdial]
exten => s,1,Dial(${ARG1})
exten => s,n,Goto(s-${DIALSTATUS},1)
exten => s-NOANSWER,1,Hangup
exten => s-BUSY,1,Hangup
exten => _s-.,1,NoOp

[macro-stdexten];
exten => s,1,Dial(${ARG2},20)  ; Ring the interface, 20 seconds maximum
exten => s,2,Goto(s-${DIALSTATUS},1)  ; Jump based on status (NOANSWER,BUSY,CHANUNAVAIL,CONGESTION,ANSWER)
exten => s-NOANSWER,1,Voicemail(${ARG1},u)  ; If unavailable, send to voicemail w/ unavail announce
exten => s-NOANSWER,2,Goto(default,s,1)  ; If they press #, return to start
exten => s-BUSY,1,Voicemail(${ARG1},b)  ; If busy, send to voicemail w/ busy announce
exten => s-BUSY,2,Goto(default,s,1)  ; If they press #, return to start
exten => _s-.,1,Goto(s-NOANSWER,1)  ; Treat anything else as no answer
exten => a,1,VoicemailMain(${ARG1})  ; If they press *, send the user into VoicemailMain

[macro-stdPrivacyexten];
exten => s,1,Dial(${ARG2},20|p)  ; Ring the interface, 20 seconds maximum, call screening
exten => s,2,Goto(s-${DIALSTATUS},1)  ; Jump based on status (NOANSWER,BUSY,CHANUNAVAIL,CONGESTION,ANSWER)
exten => s-NOANSWER,1,Voicemail(${ARG1},u)  ; If unavailable, send to voicemail w/ unavail announce
exten => s-NOANSWER,2,Goto(default,s,1)  ; If they press #, return to start
exten => s-BUSY,1,Voicemail(${ARG1},b)  ; If busy, send to voicemail w/ busy announce
exten => s-BUSY,2,Goto(default,s,1)  ; If they press #, return to start
exten => s-DONTCALL,1,Goto(${ARG3},s,1)  ; Callee chose to send this call to a polite "Don't call again" script.
exten => s-TORTURE,1,Goto(${ARG4},s,1)  ; Callee chose to send this call to a telemarketer torture script.
exten => _s-.,1,Goto(s-NOANSWER,1)  ; Treat anything else as no answer
exten => a,1,VoicemailMain(${ARG1})  ; If they press *, send the user into VoicemailMain

[macro-page];
exten => s,1,ChanIsAvail(${ARG1}|js)  ; j is for Jump and s is for ANY call
exten => s,n,GoToIf([${AVAILSTATUS} = "1"]?autoanswer:fail)
exten => s,n(autoanswer),Set(_ALERT_INFO="RA")  ; This is for the PolyComs
exten => s,n,SIPAddHeader(Call-Info: Answer-After=0)  ; This is for the Grandstream, Snoms, and Others
exten => s,n,NoOp()  ; Add others here and Post on the Wiki!!!!
exten => s,n,Dial(${ARG1}||)
exten => s,n(fail),Hangup

[demo]
exten => s,1,Wait(1)  ; Wait a second, just for fun
exten => s,n,Answer  ; Answer the line
exten => s,n,Set(TIMEOUT(digit)=5)  ; Set Digit Timeout to 5 seconds
exten => s,n,Set(TIMEOUT(response)=10)  ; Set Response Timeout to 10 seconds
exten => s,n(restart),BackGround(demo-congrats)  ; Play a congratulatory message
exten => s,n(instruct),BackGround(demo-instruct)  ; Play some instructions
exten => s,n,WaitExten  ; Wait for an extension to be dialed.
exten => 2,1,BackGround(demo-moreinfo)  ; Give some more information.
exten => 2,n,Goto(s,instruct)
exten => 3,1,Set(LANGUAGE()=fr)  ; Set language to french
exten => 3,n,Goto(s,restart)  ; Start with the congratulations
exten => 1000,1,Goto(default,s,1)
exten => 1234,1,Playback(transfer,skip)  ; "Please hold while..."
exten => 1234,n,Macro(stdexten,1234,${GLOBAL(CONSOLE)})
exten => 1235,1,Voicemail(1234,u)  ; Right to voicemail
exten => 1236,1,Dial(Console/dsp)  ; Ring forever
exten => 1236,n,Voicemail(1234,b)  ; Unless busy
exten => #,1,Playback(demo-thanks)  ; "Thanks for trying the demo"
exten => #,n,Hangup  ; Hang them up.
exten => t,1,Goto(#,1)  ; If they take too long, give up
exten => i,1,Playback(invalid)  ; "That's not valid, try again"
exten => 500,1,Playback(demo-abouttotry)  ; Let them know what's going on
exten => 500,n,Dial(IAX2/guest@misery.digium.com/s@default)  ; Call the Asterisk demo
exten => 500,n,Playback(demo-nogo)  ; Couldn't connect to the demo site
exten => 500,n,Goto(s,6)  ; Return to the start over message.
exten => 600,1,Playback(demo-echotest)  ; Let them know what's going on
exten => 600,n,Echo  ; Do the echo test
exten => 600,n,Playback(demo-echodone)  ; Let them know it's over
exten => 600,n,Goto(s,6)  ; Start over
exten => 76245,1,Macro(page,SIP/Grandstream1)
exten => _7XXX,1,Macro(page,SIP/${EXTEN})
exten => 7999,1,Set(TIMEOUT(absolute)=60)
exten => 7999,2,Page(Local/Grandstream1@page&Local/Xlite1@page&Local/1234@page/n|d)
exten => 8500,1,VoicemailMain
exten => 8500,n,Goto(s,6)
[page]
exten => _X.,1,Macro(page,SIP/${EXTEN})
[default]
exten => 850,1,VoiceMailMain
exten => 8500,n,Hangup
include => voicemenu-custom-1
exten => 680,1,MeetMe(${EXTEN}|MI)

[asterisk_guitools]
exten = executecommand,1,System(${command})
exten = executecommand,n,Hangup()
exten = record_vmenu,1,Answer
exten = record_vmenu,n,Playback(vm-intro)
exten = record_vmenu,n,Record(${var1})
exten = record_vmenu,n,Playback(vm-saved)
exten = record_vmenu,n,Playback(vm-goodbye)
exten = record_vmenu,n,Hangup
exten = play_file,1,Answer
exten = play_file,n,Playback(${var1})
exten = play_file,n,Hangup
hasbeensetup = N

[numberplan-custom-1]
plancomment = DialPlan1
include = default
exten = _9XXXXXXX,1,Macro(trunkdial,${trunk_3}/${EXTEN:0})
comment = _9XXXXXXX,1,local,standard
exten = _1XXXXXXXXXX,1,Macro(trunkdial,${trunk_3}/83${EXTEN:0})
comment = _1XXXXXXXXXX,1,long distance,standard
comment = XXXXXXX,1,local2,custom
comment = NXXXXXX,1,local2,custom
comment = ,1,office,custom
exten = _1XX,1,Macro(trunkdial,${trunk_3}/${EXTEN:0})
comment = _1XX,1,office,standard

[DID_trunk_1]
include = default
exten = _X.,1,Goto(default|601|1)
exten = s,1,Goto(default|601|1)

[DID_trunk_2]
include = default
exten = _X.,1,Goto(default|602|1)
exten = s,1,Goto(default|602|1)