[asterisk-users] Problem routing call to fax machine on DAHDI FXS port

John Kosmas batch40 at optusnet.com.au
Fri Mar 18 20:40:32 CDT 2011


Hi There,

IMO would suggest whether the values for the WAIT() option maybe the
reason its hanging up as ANSWER doesnt initiate. the code itself seems
fine otherwise.

John.


On Fri, 2011-03-18 at 21:05 -0400, ftarz at mindspring.com wrote:
> > Message: 7
> > Date: Fri, 18 Mar 2011 08:43:39 +0100
> > From: Olivier<oza_4h07 at yahoo.fr>
> > Subject: Re: [asterisk-users] Problem routing call to fax machine on
> > 	DAHDI	FXS port
> > To: Asterisk Users Mailing List - Non-Commercial Discussion
> > 	<asterisk-users at lists.digium.com>
> > Message-ID:
> > 	<AANLkTin6sFtC5ZacSzqO6ZW8WVSPkS=Q0f7LRNm_Pnys at mail.gmail.com>
> > Content-Type: text/plain; charset="iso-8859-1"
> >
> > 2011/3/18 Frank Tarczynski<ftarz at mindspring.com>
> >
> >> >  I am running Asterisk 1.6.2.17.2 with a Openvox A400 card with 2FXO/2FXS
> >> >  modules.  I'm trying to set-up things to route analog fax calls from a FXO
> >> >  port to an analog fax machine on a FXS port on the same card.
> >> >
> >> >  Outgoing faxes work just fine.  But incoming faces are routed to the right
> >> >  DAHDI  extension, but the call dropped right as the fax machine rings for
> >> >  the first time.  The fax machine works fine when connected directly to the
> >> >  analog telephone line and I see the same behavior if I route the fax call to
> >> >  anyother DAHDI or SIP extension.
> >> >
> >> >  Can anyone help?
> >> >
> >> >  I see this in the asterisk log:
> >> >  (Send fax out to HP's fax check line)
> >> >  [2011-03-17 13:40:17.4] VERBOSE[8825] chan_dahdi.c:     -- Starting simple
> >> >  switch on 'DAHDI/1-1'
> >> >  [2011-03-17 13:40:24.0] VERBOSE[8825] pbx.c:     -- Executing
> >> >  [18884732963 at from-fax-machine:1] Set("DAHDI/1-1",
> >> >  "CALLERID(num)=19195718465") in new stack
> >> >  [2011-03-17 13:40:24.0] VERBOSE[8825] pbx.c:     -- Executing
> >> >  [18884732963 at from-fax-machine:2] Dial("DAHDI/1-1", "DAHDI/4/18884732963")
> >> >  in new stack
> >> >  [2011-03-17 13:40:24.0] VERBOSE[8825] app_dial.c:     -- Called
> >> >  4/18884732963
> >> >  [2011-03-17 13:40:26.2] VERBOSE[8825] app_dial.c:     -- DAHDI/4-1 answered
> >> >  DAHDI/1-1
> >> >  [2011-03-17 13:40:29.6] NOTICE[8825] chan_dahdi.c: Fax detected, but no fax
> >> >  extension
> >> >  [2011-03-17 13:41:13.4] VERBOSE[8825] chan_dahdi.c:     -- Hungup
> >> >  'DAHDI/4-1'
> >> >  [2011-03-17 13:41:13.4] VERBOSE[8825] pbx.c:   == Spawn extension
> >> >  (from-fax-machine, 18884732963, 2) exited non-zero on 'DAHDI/1-1'
> >> >  [2011-03-17 13:41:13.4] VERBOSE[8825] chan_dahdi.c:     -- Hungup
> >> >  'DAHDI/1-1'
> >> >
> >> >  (Incoming fax attempt)
> >> >  [2011-03-17 13:43:18.3] VERBOSE[8834] chan_dahdi.c:     -- Starting simple
> >> >  switch on 'DAHDI/4-1'
> >> >  [2011-03-17 13:43:19.3] VERBOSE[8834] pbx.c:     -- Executing
> >> >  [s at from-pstn-4:1] Wait("DAHDI/4-1", "1") in new stack
> >> >  [2011-03-17 13:43:20.4] VERBOSE[8834] pbx.c:     -- Executing
> >> >  [s at from-pstn-4:2] Verbose("DAHDI/4-1", "CALLERID is 8884732963") in new
> >> >  stack
> >> >  [2011-03-17 13:43:20.4] VERBOSE[8834] app_verbose.c: CALLERID is 8884732963
> >> >  [2011-03-17 13:43:20.4] VERBOSE[8834] pbx.c:     -- Executing
> >> >  [s at from-pstn-4:3] Verbose("DAHDI/4-1", "Time is 20110317-134320") in new
> >> >  stack
> >> >  [2011-03-17 13:43:20.4] VERBOSE[8834] app_verbose.c: Time is
> >> >  20110317-134320
> >> >  [2011-03-17 13:43:20.4] VERBOSE[8834] pbx.c:     -- Executing
> >> >  [s at from-pstn-4:4] Answer("DAHDI/4-1", "") in new stack
> >> >  [2011-03-17 13:43:20.4] VERBOSE[8834] pbx.c:     -- Executing
> >> >  [s at from-pstn-4:5] Ringing("DAHDI/4-1", "") in new stack
> >> >  [2011-03-17 13:43:20.4] VERBOSE[8834] pbx.c:     -- Executing
> >> >  [s at from-pstn-4:6] Wait("DAHDI/4-1", "6") in new stack
> >> >  [2011-03-17 13:43:21.4] VERBOSE[8834] chan_dahdi.c:     -- Redirecting
> >> >  DAHDI/4-1 to fax extension
> >> >  [2011-03-17 13:43:21.4] VERBOSE[8834] pbx.c:   == Spawn extension
> >> >  (from-pstn-4, fax, 1) exited non-zero on 'DAHDI/4-1'
> >> >  [2011-03-17 13:43:21.4] VERBOSE[8834] pbx.c:     -- Executing
> >> >  [fax at from-pstn-4:1] NoOp("DAHDI/4-1", "Fax Detected") in new stack
> >> >  [2011-03-17 13:43:21.4] VERBOSE[8834] pbx.c:     -- Executing
> >> >  [fax at from-pstn-4:2] Dial("DAHDI/4-1", "DAHDI/1,40,tr") in new stack
> >> >  [2011-03-17 13:43:21.4] VERBOSE[8834] app_dial.c:     -- Called 1
> >> >  [2011-03-17 13:43:21.4] VERBOSE[8834] app_dial.c:     -- DAHDI/1-1 is
> >> >  ringing
> >> >  [2011-03-17 13:43:23.4] VERBOSE[8834] app_dial.c:     -- DAHDI/1-1 is
> >> >  ringing
> >> >
> >> >  (Call is routed to fax machine, but then dropped before it can answer)
> >> >  [2011-03-17 13:43:24.8] VERBOSE[8834] chan_dahdi.c:     -- Hungup
> >> >  'DAHDI/1-1'
> >> >  [2011-03-17 13:43:24.8] VERBOSE[8834] pbx.c:   == Spawn extension
> >> >  (from-pstn-4, fax, 2) exited non-zero on 'DAHDI/4-1'
> >> >  [2011-03-17 13:43:24.8] VERBOSE[8834] chan_dahdi.c:     -- Hungup
> >> >  'DAHDI/4-1'
> >> >
> >> >  My dialplan looks like this:
> >> >  [from-pstn-4]
> >> >  exten =>  fax,1,NoOp(Fax Detected)
> >> >  exten =>  fax,2,Dial(DAHDI/1,,rtT)
> >> >  exten =>  fax,3,Congestion()
> >> >  exten =>  fax,104,Busy()
> >> >  exten =>  s,1,Wait(1)
> >> >  exten =>  s,n,Verbose(CALLERID is ${CALLERID(num)})
> >> >  exten =>  s,n,Verbose(Time is ${STRFTIME(${EPOCH},,%Y%m%d-%H%M%S)})
> >> >  exten =>  s,n,Answer
> >> >  exten =>  s,n,Ringing
> >> >  exten =>  s,n,Wait(6)
> >> >  exten =>  s,n,Dial(SIP/1000)
> >> >  exten =>  s,n,Voicemail(1000,u)
> >> >  exten =>  s,n,Hangup
> >> >
> >> >  My chan_dahdi.conf file looks like:
> >> >  [trunkgroups]
> >> >  ;trunkgroup =>  1,1
> >> >  ;trunkgroup =>  2,2
> >> >  ;trunkgroup =>  3,3
> >> >  ;trunkgroup =>  4,4
> >> >
> >> >  ;spanmap =>  1,1
> >> >  ;spanmap =>  2,2
> >> >  ;spanmap =>  3,3
> >> >  ;spanmap =>  4,4
> >> >
> >> >  [channels]
> >> >  language=en
> >> >  context=incoming
> >> >  toneduration=40
> >> >  ;usedistinctiveringdetection=yes
> >> >  answeronpolarityswitch=no
> >> >  usecallerid=yes
> >> >  cidsignalling=bell
> >> >  cidstart=ring
> >> >  ;hidecallerid=yes
> >> >  ;hidecalleridname=yes
> >> >  ;waitfordialtone=yes
> >> >  ;mwimonitor=no
> >> >  ;mwilevel=512
> >> >  ;mwimonitornotify=/usr/local/bin/dahdinotify.sh
> >> >  ;mwisendtype=rpas,lrev
> >> >  callwaiting=yes
> >> >  ;restrictcid=no
> >> >  usecallingpres=yes
> >> >  sendcalleridafter = 1
> >> >  callwaitingcallerid=yes
> >> >  threewaycalling=yes
> >> >  transfer=yes
> >> >  canpark=yes
> >> >  cancallforward=yes
> >> >  callreturn=yes
> >> >  echocancel=yes
> >> >  echocancelwhenbridged=yes
> >> >  echotraining=yes
> >> >  rxgain=2.0
> >> >  txgain=8.0
> >> >  group=1
> >> >  callgroup=1
> >> >  pickupgroup=1
> >> >  ;immediate=yes
> >> >  immediate=no
> >> >  callerid = asreceived
> >> >  useincomingcalleridondahditransfer = yes
> >> >  callprogress=no
> >> >  progzone=us
> >> >  ;faxdetect=both
> >> >  faxdetect=incoming
> >> >  ;faxdetect=outgoing
> >> >  ;faxdetect=no
> >> >  faxbuffers=>6,full
> >> >  ;callerid="XXX"<1919XXXXXXX>
> >> >  ;channel =>  3
> >> >  ;callerid="XXX"<1919XXXXXXX>
> >> >  ;channel =>  4
> >> >  #include dahdi-channels.conf
> >> >
> >> >  My dahdi-channels.conf file look like:
> >> >  ; Autogenerated by /usr/sbin/dahdi_genconf on Tue Nov 30 19:08:07 2010
> >> >  ; If you edit this file and execute /usr/sbin/dahdi_genconf again,
> >> >  ; your manual changes will be LOST.
> >> >  ; Dahdi Channels Configurations (chan_dahdi.conf)
> >> >  ;
> >> >  ; This is not intended to be a complete chan_dahdi.conf. Rather, it is
> >> >  intended
> >> >  ; to be #include-d by /etc/chan_dahdi.conf that will include the global
> >> >  settings
> >> >  ;
> >> >
> >> >  ; Span 1: WCTDM/4 "Wildcard TDM400P REV E/F Board 5" (MASTER)
> >> >  ;;; line="1 WCTDM/4/0 FXOKS  (In use) (SWEC: MG2)"
> >> >  signalling=fxo_ks
> >> >  callerid="Channel 1"<4001>
> >> >  mailbox=5000
> >> >  group=5
> >> >  context=from-fax-machine
> >> >  channel =>  1
> >> >  callerid=
> >> >  mailbox=
> >> >  group=
> >> >  context=default
> >> >
> >> >  ;;; line="2 WCTDM/4/1 FXOKS  (In use) (SWEC: MG2)"
> >> >  signalling=fxo_ks
> >> >  callerid="Channel 2"<4002>
> >> >  mailbox=6000
> >> >  group=5
> >> >  context=from-internal
> >> >  channel =>  2
> >> >  callerid=
> >> >  mailbox=
> >> >  group=
> >> >  context=default
> >> >
> >> >  ;;; line="3 WCTDM/4/2 FXSKS  (In use) (SWEC: MG2)"
> >> >  signalling=fxs_ks
> >> >  callerid=asreceived
> >> >  group=0
> >> >  context=from-pstn-3
> >> >  channel =>  3
> >> >  callerid=
> >> >  group=
> >> >  context=default
> >> >
> >> >  ;;; line="4 WCTDM/4/3 FXSKS  (In use) (SWEC: MG2)"
> >> >  signalling=fxs_ks
> >> >  callerid=asreceived
> >> >  group=0
> >> >  context=from-pstn-4
> >> >  channel =>  4
> >> >  callerid=
> >> >  group=
> >> >  context=default
> >> >
> >> >
> >> >
> >> >
> >> >
> >> >  --
> >> >  _____________________________________________________________________
> >> >  -- Bandwidth and Colocation Provided byhttp://www.api-digital.com  --
> >> >  New to Asterisk? Join us for a live introductory webinar every Thurs:
> >> >                http://www.asterisk.org/hello
> >> >
> >> >  asterisk-users mailing list
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> >> >    http://lists.digium.com/mailman/listinfo/asterisk-users
> >> >
> > What happens when you call the fax machine from a cell phone, for instance ?
> > Can you ear the fax machine answering ?
> > -------------- next part --------------
> > An HTML attachment was scrubbed...
> > URL:<http://lists.digium.com/pipermail/asterisk-users/attachments/20110318/3c81d121/attachment-0001.htm>
> >
> If I can the fax machine from the outside the call is routed to the 
> expected voice extension as it is not a fax call:
> Starting simple switch on 'DAHDI/4-1'
>     -- Executing [s at from-pstn-4:1] Wait("DAHDI/4-1", "1") in new stack
>     -- Executing [s at from-pstn-4:2] Verbose("DAHDI/4-1", "CALLERID is 
> 919XXXXXXX") in new stack
> CALLERID is 919XXXXXXX
>     -- Executing [s at from-pstn-4:3] Verbose("DAHDI/4-1", "Time is 
> 20110318-210123") in new stack
> Time is 20110318-210123
>     -- Executing [s at from-pstn-4:4] Answer("DAHDI/4-1", "") in new stack
>     -- Executing [s at from-pstn-4:5] Ringing("DAHDI/4-1", "") in new stack
>     -- Executing [s at from-pstn-4:6] Wait("DAHDI/4-1", "6") in new stack
>     -- Executing [s at from-pstn-4:7] Dial("DAHDI/4-1", "SIP/1000") in new 
> stack
>   == Using SIP RTP TOS bits 184
>   == Using SIP RTP CoS mark 5
>     -- Called 1000
>     -- SIP/1000-0000000b is ringing
>   == Spawn extension (from-pstn-4, s, 7) exited non-zero on 'DAHDI/4-1'
>     -- Hungup 'DAHDI/4-1'
> 
> This is what's supposed to happen for non-fax calls.
> 
> Fax calls still don't route to the DAHDI port correctly.
> 
> 
> 
> 
> --
> _____________________________________________________________________
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