[asterisk-users] Problem with detecting fax on PRI/DAHDI channels

[Sawan Vithlani]

hi,

I am also setting faxdetect=both in the individual channels in
dahdi-channels.conf.

===snip===
group=0,12
context=from-pstn
switchtype = euroisdn
signalling = pri_cpe
channel => 1-15,17-31
context = default
group = 63
faxdetect = both

=========

Sawan
On Fri, Jun 24, 2011 at 10:38 AM, Richard Mudgett <rmudgett at digium.com> wrote:
>> [trunkgroups]
>>
>> [channels]
>> switchtype=qsig
>> context = from-pstn
>> group = 0
>> signalling = pri_cpe
>> channel = 1-15,17-31,32-46,48-62,63-77,79-93,94-108,110-124
>
> Everything after the channel line above will have no effect on the
> channels created by the above line.  Thus the faxdetect=both below
> will not have any effect.
>
>>
>> usecallingpres=yes
>> sendcalleridafter = 2
>> 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
>> faxdetect=both
>>
>> #include /etc/asterisk/dahdi-channels.conf
>
> Please note that the include is part of the chan_dahdi.conf
> config file.
>
>>
>> Sawan
>>
>> On Fri, Jun 24, 2011 at 12:15 AM, Eric Wieling <EWieling at nyigc.com>
>> wrote:
>> >
>> >> -----Original Message-----
>> >> From: asterisk-users-bounces at lists.digium.com
>> >> [mailto:asterisk-users-bounces at lists.digium.com] On Behalf Of
>> >> Sawan Vithlani
>> >> Sent: Thursday, June 23, 2011 10:12 AM
>> >> To: asterisk-users at lists.digium.com
>> >> Subject: [asterisk-users] Problem with detecting fax on
>> >> PRI/DAHDI channels
>> >>
>> >> Hello all,
>> >>
>> >> I am using call files to dial out to a set of PSTN numbers.
>> >> The calls are going out fine and being handled correctly by
>> >> the dial plan.
>> >>
>> >> The problem occurs when I accidentally call a fax machine. I
>> >> would expect the dial plan to pick this up and jump to the
>> >> "fax" extension in the current context. This is not happening.
>> >>
>> >> In the call file I send the call out via
>> >> Dial(DAHDI/g0/XXXXXXXX) and then it goes to my dial plan context:
>> >>
>> >> [SendCall]
>> >> exten => start,1,Answer()
>> >>    same => n, Wait(5)
>> >>    same => n, ..... ;; do some more stuff
>> >>
>> >> exten => fax,1,Verbose(got a Fax on ${EXTEN}) same =>n, Hangup()
>> >>
>> >> ;;;;
>> >>
>> >>  I do get a message on the CLI telling me "Channel 63
>> >> detected a CED tone from the network" but still no jumping to
>> >> the fax extension.
>> >> This is while dialplan is in the Wait(5).
>> >>
>> >> CLI> core show version
>> >> Asterisk 1.8.4.1-1digium1~natty built by pbuilder @ nighthawk on a
>> >> x86_64 running Linux on 2011-05-23 22:05:17 UTC
>> >>
>> >> ISDN lines connected via Digium TE412P card.
>> >>
>> >> I have "faxdetect = both" in chan_dahdi.conf in the general
>> >> section as well as specifically for the configured spans.
>> >
>> > Show us your chan_dahdi.conf
>
> Richard
>
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