[asterisk-users] Asterisk 1.4 Fax

Al lists asteriskal at gmail.com
Tue Jan 1 10:01:32 CST 2008


I'm not looking at T.38 , at this time its terminating a SIP trunk with
multiple DID's for fax.
I'm using this configuration with linksys PAP ATA and satisfied with
results.
I'm looking at removing these ATA 's and using Asterisk ( or giving it a try
) for terminating fax.


> >>
> >>> 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. 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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