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Unless your provider provides a T.38 gateway, fax over SIP is pretty
much guaranteed to be unusable. Often you can get away with it over a
LAN using G711a or G711u, but any of the lower bandwidth codecs <i>won't</i>
be able to properly handle fax calls.<br>
<br>
Whilst I haven't used it myself, I believe IAXmodem and Hylafax are
used for sending and receiving faxes from a local PSTN termination
point such as T1 or ISDN.<br>
<br>
The IAXmodem web site explains the pitfalls of faxing over the
internet. See <a class="moz-txt-link-freetext" href="http://iaxmodem.sourceforge.net/faq.php">http://iaxmodem.sourceforge.net/faq.php</a> for more info.
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.<br>
<br>
Al lists wrote:
<blockquote
cite="mid:f6559cce0712312150l24dc839cpe652da852c8b5c56@mail.gmail.com"
type="cite">at this time is terminating a SIP trunk,<br>
each DID will get its own fax box.<br>
I guess at this time i'm looking to find a tutorial for installing
iaxmodem and hylafax as it seems to be the answer.<br>
<br>
<br>
<div class="gmail_quote">On Dec 31, 2007 9:11 PM, Andrew Joakimsen
<<a moz-do-not-send="true" href="mailto:joakimsen@gmail.com">joakimsen@gmail.com</a>>
wrote:<br>
<blockquote class="gmail_quote"
style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;">
<div class="Ih2E3d">On Dec 28, 2007 8:28 PM, Al lists <<a
moz-do-not-send="true" href="mailto:asteriskal@gmail.com">asteriskal@gmail.com</a>>
wrote:<br>
> what method is preferred:<br>
> haylafax and Iaxmodem or spnadsp for faxing.<br>
><br>
<br>
</div>
What are you trying to do and do you have a T1 or ISDN line?<br>
<div>
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