[asterisk-users] SPA3102 FAX not working

[Gopalakrishnan A.N]

Hi Tim,

Thanks for your reply. I am not using any fax software. I just created two
extensions in trixbox (Asterisk 1.4), one extension I configured in one
SPA3102 here FAX machine is connected in the phone port of SPA3102.

As the same the other extension is configured in another SPA3102 and FAX
machine is connected in the phone port of SPA3102.

I am sending FAX from one extension to another extension. I am not able to
send.

This is how my workflow is designed.

On Thu, Sep 9, 2010 at 7:29 PM, Tim Nelson <tnelson at rockbochs.com> wrote:

> Can you clarify 'send FAX from SPA3102 to Asterisk' ? Are you running Fax
> for Asterisk software? Where do you expect your call to terminate?
>
> As I understand it, without FFA or some of the patches floating around,
> Asterisk is not T.38 gateway aware. Without more information, it's hard to
> pinpoint the issue, but as a first step, I would *DISABLE* the 'FAX Enable
> T38' parameter on the SPA3102. This will not help the reliability, but you
> may see the calls go through properly.
>
> A packet capture is always helpful as well. tcpdump on the Asterisk box or
> Wireshark on a box connected to your switch's mirror/span port will do.
>
> Tim Nelson
> Systems/Network Support
> Rockbochs Inc.
> (218)727-4332 x105
>
>
> ----- "Gopalakrishnan A.N" <saigop at gmail.com> wrote:
> > Hi,
> >
> > I have created one SIP extension in Asterisk and configured that
> extension in SPA 3102. And connected one FAX machine to the SPA3102 and
> one to Asterisk.
> >
> > The problem is if I try to send FAX from SPA3102 to Asterisk i am not
> able to send. But if the same if I try to send from Asterisk to SPA3102 it
> is working.
> >
> > In the SPA3102 following are the options I changed for the FAX settings,
> >
> > Call Waiting Serv:No
> > Three Way Call Serv:No
> > Preferred Codec:G711u
> > FAX Passthru Method:ReINVITE
> > DTMF Tx Mode:Normal
> > FAX Enable T38:yes
> >
> > After all these changes still I am not able to send the fax, while
> checking in the rtp debug from SPA3102 to Asterisk the sequential no. 0 but
> whereas from Asterisk to SPA3102 I can able to see some rtp traffic.
> >
> > Your help would be much appreciated....
> >
> >
> > On Tue, Sep 7, 2010 at 10:30 PM, Gopalakrishnan A.N <saigop at gmail.com>wrote:
> >
>>
>> Hi,
>> >
>> > I have created one SIP extension in Asterisk and configured that
>> extension in SPA 3102. And connected one FAX machine to the SPA3102 and
>> one to Asterisk.
>> >
>> > The problem is if I try to send FAX from SPA3102 to Asterisk i am not
>> able to send. But if the same if I try to send from Asterisk to SPA3102 it
>> is working.
>> >
>> > In the SPA3102 following are the options I changed for the FAX settings,
>> >
>> > Call Waiting Serv:No
>> > Three Way Call Serv:No
>> > Preferred Codec:G711u
>> > FAX Passthru Method:ReINVITE
>> > DTMF Tx Mode:Normal
>> > FAX Enable T38:yes
>> >
>> > After all these changes still I am not able to send the fax, while
>> checking in the rtp debug from SPA3102 to Asterisk the sequential no. 0 but
>> whereas from Asterisk to SPA3102 I can able to see some rtp traffic.
>> >
>> > Your help would be much appreciated....
>>
>> > --
>> > Thank you  with regards,
>> > Gopalakrishnan A.N,
>> >
>> >
>> >
>
>
> >
>
> > --
> > Thank you  with regards,
> > Gopalakrishnan A.N,
> >
> >
> >
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-- 
Thank you  with regards,
Gopalakrishnan A.N,
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