[asterisk-users] Asterisk 1.4 Fax

Olivier oza-4h07 at myamail.com
Thu Jan 3 06:44:27 CST 2008


Hello,

2008/1/1, Steve Underwood <steveu at coppice.org>:
>
> Hi Rob,
>
> Rob Hillis wrote:
> > Well that answers that question.  I see that t38modem provides an H232
> > modem - is this unsuitable for HylaFAX's purpose? (ignoring the fact
> > that it requires a kernel recompile on most newer distros.)
> >
> > Steve Underwood wrote:
> >> Rob Hillis wrote:
> >>
> >>> Last time I heard IAXModem didn't support T.38 because the IAX2
> >>> protocol didn't support T.38 - whether that's still the case or not, I
> >>> don't know.
> >>>
> >> There are actually two reasons. One is that T.38 over IAX is not
> >> defined. The other is the current T.38 termination support in spandsp
> is
> >> only for the full FAX machine it contains. T.38 termination to the
> class
> >> 1 FAX modem (T.31) interface for HylaFAX is a work in progress. When
> >> that is done, I hope we will have a sipmodem to replace iaxmodem,
> >> offering bother audio and T.38 to HylaFAX functionality.
> >>
> >> Steve
> >>
>
> The most recent versions of t38modem can apparently provide both a SIP
> and H.323 T.38 to class 1 FAX modem interface for HylaFAX. What it
> cannot provide is an audio FAX interface.


What is an "audio FAX interface" ?
I'm not sure to understand what it is.

Cheers

> The sipmodem code I am working
> on will integrate audio and T.38 FAX processing in a single SIP entity.
>
> Steve
>
>
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