[Asterisk-Users] T.38 Faxing

[Carlos Alperin]

This is not an issue about free. The cost of the implementation of the
Hylafax, plus the multiport card, plus the channel bank, plus the additional
PRI is not cheap.

Someone started to announce a couple of weeks ago that the 1.0.9 release was
handling T.38. FALSE.

All that I was able to get was T.38 detection by the new version. 

I asked 3 times after someone confirmed that is not even thinked to be on
the 2.0 next release.

So, I'm far to look for free stuff. I cannot afford to keep testing with
customers that had no more patient with me.

That is all. Nothing against Asterisk, or the developers. Only with the
people that start to announce false espectations.

Regards,

Carlos Alperin
calperin at senecacom.net

-----Original Message-----
From: asterisk-users-bounces at lists.digium.com
[mailto:asterisk-users-bounces at lists.digium.com] On Behalf Of Roger
Schreiter
Sent: Wednesday, September 28, 2005 5:46 PM
To: Asterisk Users Mailing List - Non-Commercial Discussion
Subject: Re: [Asterisk-Users] T.38 Faxing

Carlos Alperin schrieb:
> ...
> Bank, and send all the faxes through that system, and forget to try
anything
> through Asterisk.
> 
> We're already tired of the complainings from customers that never can send
> faxes, or sometimes some pages.


Wow, strong words!

Since our experiences with asterisk are mainly positive,
we won't forget faxing through asterisk.

As long as asterisk is just used as pbx or switch, it is
obviously capable of transporting 100 and more faxes
simultaniously without problems.

The only thing missing seems to be a reliable modulator/
demodulator and T.30 machine.

rxfax/txfax+spandsp is still far away from being reliable under
high load, but developing. Our experience is, that it does
a very good job when sending or receiving single faxes.
As soon as three or more faxes are processed at once,
problems do occour.

We are currently testing a commercial fax library with the goal,
to implement an IAX client as fax server, in order the send or
receive some dozen faxes simultaniously. It is too early to
say, if we'll succeed, but we hope so, and thus won't forget
faxing through asterisk.

This is _no_ announcement of a product, since we currently
won't have the right to distribute the library, but we think,
it would be very interesting to know, whether it works or not.
Those, looking for a GNU licenced tool will have to wait for
progresses of spandsp anyway.


By the way, the producer of the library announces T.38 support in
some weeks. asterisk just started to support T.38 pass through,
and probably will do it reliably in some weeks. Maybe this will
enable T.38 support for asterisk - though unfortunately not for free nor
open source.


Roger.

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