[Asterisk-Users] Call forwarding

Fri Feb 4 14:26:32 MST 2005

Here is the dial plan. Uses CVS-HEAD features for call screening.  This
is a pre-production system.  We will be replacing our existing Comdial
within the next few weeks.

;=====================================================================
; extensions.conf file
;=====================================================================
; Office extensions are 10-59
; Directory-by-name is *
; Parking extensions are 70-75
; Voicemail extension is 77 or #
; Music-on-hold test is 76
; MeetMe conference rooms are 81,82,83
; Polycom conference phone is 61
; Call Forward is 91
; DISA is 99
;

[general]
static=yes
writeprotect=no

[globals]
ZAPPHONE = Zap/1
ZAPLINE  = Zap/4
IAXNET = IAX2/iaxtel_out
;
; Macro for personal office extensions
;
[macro-ext]
exten => s,1,GotoIf($[${LEN(${INCOMING})} > 0]?2:211)                  ;
If call is from outside, execute screening
exten => s,2,System(test -e
/var/spool/asterisk/voicemail/default/${ARG1}/greet.gsm)   ; check if
recorded name exists
exten =>
s,3,Playback(/var/spool/asterisk/voicemail/default/${ARG1}/greet)
; play recorded name
exten => s,4,Goto(s,104)                                               ;
skip playing number if played name
exten => s,103,SayNumber(${ARG1},f)                                    ;
else play extension number
exten => s,104,Wait(1)
exten => s,105,Playback(screen-record)                                 ;
ask caller to id self
exten => s,106,SetVar(SCREEN_FILE=/tmp/${CALLERIDNUM}-${EPOCH})        ;
set file name
exten => s,107,Record(${SCREEN_FILE}.gsm|3|10)                         ;
record response to file
exten => s,108,DBget(fn=CFIM/${ARG1})                                  ;
is number forwarded?
exten =>
s,109,Dial(Local/${fn}@intl-access/n|24|gM(screen^${SCREEN_FILE})) ;
forwarded - screen to new number
exten => s,110,Goto(s,313)
exten => s,209,Dial(SIP/${ARG1}|24|tgM(screen^${SCREEN_FILE}))         ;
not forwarded - screen to extension
exten => s,210,Goto(s,313)

; call is from inside - no screening
exten => s,211,DBget(fn=CFIM/${ARG1})                                  ;
is number forwarded?
exten => s,212,Dial(Local/${fn}@intl-access/n|24)                      ;
forwarded, so send forwarding number back in
exten => s,213,Goto(s,313)
exten => s,312,Dial(SIP/${ARG1}|24|t)                                  ;
not forwarded, normal dial

exten => s,313,Voicemail(u${ARG1})                                     ;
voicemail if unavailable or busy
exten => s,314,Hangup

;
; Macro for call screening
;
[macro-screen]
exten => s,1,Wait(1)
exten => s,2,Playback(screen-from)
exten => s,3,Playback(${ARG1})
exten => s,4,Read(ACCEPT|screen-accept|1)
exten => s,5,GotoIf($[${ACCEPT} = 1 ] ?7:6)
exten => s,6,SetVar(MACRO_RESULT=CONTINUE)
exten => s,7,System(/bin/rm ${ARG1})

;
; Call forwarding Macro
;
[macro-forwarding]
exten => s,1,Answer
exten => s,2,Wait(1)
exten => s,3,DigitTimeout(3)
exten => s,4,ResponseTimeout(10)
exten => s,5,Read(fwext,fw-extension,2)                    ; ask
extension (2 digits)
exten => s,6,Authenticate(/etc/asterisk/authFWD)           ; only
authorized individuals
exten => s,7,Playback(fw-extension)                        ; repeat back
extension
exten => s,8,SayNumber(${fwext},f)
exten => s,9,DBget(fwnum=CFIM/${fwext})                    ; check if
already forwarded

; ext is forwarded
exten => s,10,Playback(fw-is-forwarded-to)                 ; play
forwarded number from database
exten => s,11,SayDigits(${fwnum})
exten => s,12,Read(resp,fw-cancel-1-change-2,1)            ; 1 to cancel
fwd, 2 to change #
exten => s,13,GotoIf($[${resp} = 1]?17:14)                 ; 1 entered,
goto delete
exten => s,14,GotoIf($[${resp} = 2]?111:15)                ; 2 entered,
jump to change number
exten => s,15,Playback(fw-invalid-response)                ; invalid
response, loop back
exten => s,16,Goto(s,12)
exten => s,17,DBdel(CFIM/${fwext})                         ; delete
entry from database
exten => s,18,Playback(fw-call-fwd-canceled)               ; give status
& end call
exten => s,19,Playback(fw-goodbye)
exten => s,20,Hangup

; ext is not forwarded
exten => s,110,Playback(fw-is-not-currently-forwarded)     ; say number
is not forwarded
exten => s,111,Playback(fw-enter-new-forwarding-number)    ; ask for new
number
exten => s,112,Read(fwnum,fw-press-pound-when-finished)    ; accept new
number, since variable length, ask for #
exten => s,113,GotoIf($[${LEN(${fwnum})} < 2]?114:116)     ; if len < 2
then bad number
exten => s,114,Playback(fw-invalid-response)
exten => s,115,Goto(s,111)
exten => s,116,Playback(fw-you-entered)                    ; repeat back
number
exten => s,117,SayDigits(${fwnum})
exten => s,118,Read(resp,fw-if-corr-press-1-otherwise-2,1) ; confirm 1
if correct, 2 if not
exten => s,119,GotoIf($[${resp} = 1]?120:111)              ; if 1,
proceed and update db, else loop back
exten => s,120,DBdel(CFIM/${fwext})                        ; delete db
exten => s,121,DBput(CFIM/${fwext}=${fwnum})               ; add new db
entry
exten => s,122,Playback(fw-ext-is-forwarded)               ; give status
& end call
exten => s,123,Playback(fw-goodbye)
exten => s,124,Hangup

[extensions]

include => parkedcalls               ; allow call parking per
features.conf
;
; Operator - goto main menu
;
exten => 0,1,Goto(incoming,s,1)
;
; Access Voicemail - Ext 77 or #
;
exten => 77,1,Answer
exten => 77,2,Wait(1)
exten => 77,3,VoicemailMain(${CALLERIDNUM})
exten => 77,4,Hangup

exten => #,1,Answer
exten => #,2,Wait(1)
exten => #,3,VoicemailMain(${CALLERIDNUM})
exten => #,4,Hangup
;
; DISA
;
exten => 99,1,DISA(/etc/asterisk/authDISA|intl-access)
;
; Music-on-hold
;
exten => 76,1,Answer
exten => 76,2,Wait,1
exten => 76,3,MusicOnHold,default
;
; MeetMe conference rooms - defined in meetme.conf.  Require pin codes &
play MOH to first caller
;
exten => _8[1-3],1,MeetMe(${EXTEN}|Mp)
;
; Call Forwarding Setup extension
;
exten => 91,1,Macro(forwarding)
;
; Directory
;
exten => _*,1,Answer
exten => _*,2,Wait(1)
exten => _*,3,Directory(default|extensions)
exten => _*,4,Goto(incoming,s,1)
;
; Conf Room - Analog Zap Phone
;
exten => 61,1,Dial(${ZAPPHONE},24)      ; Ring for 24 seconds
exten => 61,2,Hangup                    ; Hang up if extension doesn't
answer
exten => 61,102,Busy                    ; Busy if extension is busy

;
; SIP Office Extensions - use macro-ext macro defined above
; Be sure to create corresponding entry in sip.conf and voicemail.conf
;
exten => 14,1,Macro(ext,14)
exten => 34,1,Macro(ext,34)
;
;
; play invalid msg and send back to main greeting if invalid ext entered
;
exten => i,1,Playback,invalid
exten => i,2,Goto(incoming,s,1)

[incoming]
;
; Incoming calls with no destination land here (usually from the PSTN)
;
exten => s,1,Answer
exten => s,2,Wait(1)
exten => s,3,DigitTimeout(3)            ; Set Digit Timeout to 3 seconds
exten => s,4,ResponseTimeout(7)        ; Set Response Timeout to 7
seconds
exten => s,5,SetVar(INCOMING=1)         ; Set variable to indicate call
from outside
exten => s,6,Background(vm-mainext)     ; Play main greeting
exten => s,7,WaitExten(5)               ; Wait for extension

;
; Hang up the line if the caller doesn't do anything
;
exten => t,1,Hangup
;
; Allow incoming calls from the outside to dial our internal extensions
;
include => extensions
;

[emergency]
;
; 911 and 411 Assistance over ZAP analog line
;
exten => _9[49]11,1,Dial(${ZAPLINE}/${EXTEN:1}) ; strip off leading '9'
exten => _9[49]11,2,Congestion
exten => _9[49]11,102,Busy
exten => _[49]11,1,Dial(${ZAPLINE}/${EXTEN:0}) ; no leading '9'
exten => _[49]11,2,Congestion
exten => _[49]11,102,Busy

[intl-trunks]
;
; International using 011 country code
;
exten => _9011.,1,Dial(SIP/${EXTEN:1}@broadvoice)
exten => _9011.,2,Congestion

[toll-trunks]
;
; Outbound to 1-nxx-nxx-xxxx are LD and go via Broadvoice
;
exten => _91NXXNXXXXXX,1,Dial(SIP/${EXTEN:2}@broadvoice)
exten => _91NXXNXXXXXX,2,Congestion

[local-trunks]
;
exten => _9NXXNXXXXXX,1,Dial(SIP/${EXTEN:1}@broadvoice)
exten => _9NXXNXXXXXX,2,Congestion

[iaxtel]
;
; 700 numbers go thru iaxtel server at Digium
;
exten => _91700NXXXXXX,1,Dial(${IAXNET}/${EXTEN:1})

[local-access]
;
; Extensions that are this context are allowed to only call local
numbers and other extensions
;
ignorepat => 9                  ; Continue dialtone after  "9" only
works on ZAP
include => extensions
include => emergency
include => iaxtel
include => local-trunks         ; Access to Local numbers

[toll-access]
;
; Extensions that are this context are allowed to call local, long
distance and other extensions
;
ignorepat => 9                  ; Continue dialtone after "9" only works
on ZAP
include => local-access         ; Everything local-access has
include => toll-trunks          ; Access to toll numbers

[intl-access]
;
; Extensions in this context can call international, ld, local and other
extensions
;
ignorepat => 9
include => intl-trunks
include => toll-access                          

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