[Asterisk-Users] How would you handle a fax without T.38 orG.711uLaw?

Elman Efendiyev elman at earlinvest.com
Fri Sep 17 04:04:55 MST 2004


Isn't it possible to use T.38 for interconnecting hardware gates
supporting T.38 with asterisk using SIP REINVITE?
I'm not shure but but think its's might be possible because after
reinvite traffic goes directly from one gate to anotger, not over
Asterisk

--
Sincerely,
Elman Efendiyev
elman at earlinvest.com 

-----Original Message-----
From: asterisk-users-bounces at lists.digium.com
[mailto:asterisk-users-bounces at lists.digium.com] On Behalf Of Mark
Phillips
Sent: Friday, September 17, 2004 1:01 AM
To: Asterisk Users Mailing List - Non-Commercial Discussion
Subject: Re: [Asterisk-Users] How would you handle a fax without T.38
orG.711uLaw?


I'm not sure you can. Isn't the problem to do with the slicing of the
data. Ulaw does it such that a fax can survive but others don't?

If someone else knows better then I'd love to know how. I want to change
my upstream codec to GalaxyVoice which is currently ULAW for something
skinnier like G729. Currently my need to send faxes forces my down the
G711 road.

Mark


cveazey at blackhillsfiber.com said:
> Let's say you were wanted to terminate calls onto your Asterisk system

> but your only available codec was G.729 and you had no control over 
> the remote SIP proxy sending you the traffic.  What would you do?
>
> Does anyone have an update on Asterisk supporting T.38 with SIP?
>
> Thanks!
>
> chris_______________________________________________
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-- 
Mark Phillips, G7LTT/KC2ENI
Randolph, NJ
http://www.g7ltt.com/ _______________________________________________
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