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Thanks Steve,<br>
<br>
I don't know how I got so turned around thinking about it. I'll give
it a try tomorrow afternoon.<br>
<br>
Will Fletcher<br>
<br>
Steve Kann wrote:
<blockquote cite="mid42320F93.9080708@stevek.com" type="cite">Harold
Fletcher wrote:
<br>
<br>
<blockquote type="cite">Steve:
<br>
<br>
But how will that work for incoming calls? Assume that three phones
<br>
have registered with an Asterisk box from inside a NAT, then * knows
<br>
that these three users can be found at x.x.x.x port 4569.
<br>
<br>
</blockquote>
Nope.
<br>
<br>
Asterisk would then know that these three users have registered from
NAT-ADDRESS:natted-port, where natted-port will be different for each
user.
<br>
<br>
<br>
<blockquote type="cite"> When *
<br>
receives an incoming call intended for one of those users, all it can
do
<br>
is forward those calls to x.x.x.x:4569, right?
<br>
<br>
</blockquote>
<br>
No, asterisk will send it to the same port the registration came from,
which should be different for each user.
<br>
<br>
<blockquote type="cite"> In that case I don't
<br>
understand how the NAT can know to which user the incoming call is
<br>
referring.
<br>
<br>
<br>
</blockquote>
Because when it sends out the registrations, each inside machine will
get a different external port assigned.
<br>
<br>
<br>
<blockquote type="cite">Will Fletcher
<br>
<br>
<br>
<br>
Auburn University
<br>
Department of Computer Science
<br>
107 Dunstan Hall
<br>
Auburn, AL 36849
<br>
334-332-9544
<br>
<a class="moz-txt-link-abbreviated" href="mailto:fletchw@auburn.edu">fletchw@auburn.edu</a>
<br>
<br>
<br>
<blockquote type="cite">
<blockquote type="cite">
<blockquote type="cite"><a class="moz-txt-link-abbreviated" href="mailto:stevek@stevek.com">stevek@stevek.com</a> 03/11/05 11:22 AM
>>>
<br>
<br>
</blockquote>
</blockquote>
</blockquote>
Will Fletcher wrote:
<br>
<br>
<br>
<br>
<blockquote type="cite">Hi folks,
<br>
<br>
Ok, I've seen this question go unanswered on the mailing list, and I
assume it's because no one had the heart to break the bad news to the
guy asking, but be honest with me, I can take it. At this time it's
flat impossible to have multiple IAX phones behind a NAT without using
<br>
<br>
</blockquote>
<br>
<br>
<br>
<blockquote type="cite">an * gateway because there's no way to have
a client listen on a port besides 4569. Is my only option to learn
about SIP and attempt to forward that through my NAT?
<br>
<br>
</blockquote>
<br>
<br>
Not true;
<br>
<br>
You just need the iax phones to register, and then they will work fine
through the NAT; whatever port they're on on local machines, and
whatever port they get NATted to won't matter.
<br>
<br>
-SteveK
<br>
<br>
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<div class="moz-signature">-- <br>
Auburn University<br>
Department of Computer Science<br>
107 Dunstan Hall<br>
Auburn, AL 36849<br>
334-332-9544<br>
<a href="mailto:fletchw@auburn.edu">fletchw@auburn.edu</a><br>
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