Problem routing call to fax machine on DAHDI FXS port

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> Message: 7
> Date: Fri, 18 Mar 2011 08:43:39 +0100
> From: Olivier
> Subject: Re: [asterisk-users] Problem routing call to fax machine on
> DAHDI FXS port
> To: Asterisk Users Mailing List – Non-Commercial Discussion
>
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>
> Content-Type: text/plain; charset=”iso-8859-1″
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> 2011/3/18 Frank Tarczynski
>
>> > 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@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@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@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@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@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@from-pstn-4:4] Answer(“DAHDI/4-1”, “”) in new stack
>> > [2011-03-17 13:43:20.4] VERBOSE[8834] pbx.c: — Executing
>> > [s@from-pstn-4:5] Ringing(“DAHDI/4-1”, “”) in new stack
>> > [2011-03-17 13:43:20.4] VERBOSE[8834] pbx.c: — Executing
>> > [s@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@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@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
>> >
>> >
>> >
>> >
>> >
>> > —
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>> >
> What happens when you call the fax machine from a cell phone, for instance ?
> Can you ear the fax machine answering ?
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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’