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Hi Jeremy,<br>
<br>
Indeed, seems to be an incompatibility here...What I would suggest
is a bit of a trick, to manually handle the NATed contact in a
dialog variable...Haven;t tried it, just an idea.<br>
<br>
On initial INVITE :<br>
<br>
<pre class="programlisting">modparam("nathelper", "received_avp", "$avp(contact)")
...
topology_hiding();
if (nat_uac_test()) {
fix_nated_register(); # puts the fix contact into received avp
$dlg_val(caller_contact) = $avp(contact);
}
...
And for sequential requests:
...
loose_route();
...
if ( match_dialog() ) {
# sequential request from callee to caller?
if ($DLG_dir=="UPSTREAM") $ru = $dlg_val(caller_contact) ;
}
</pre>
<br>
Again, not tested, not sure it will work, but just an idea :)<br>
<br>
Regards,<br>
Bogdan<br>
<br>
On 09/13/2011 07:30 PM, Jeremy Childs wrote:
<blockquote cite="mid:4E6F8540.7000607@ssimicro.com" type="cite">
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charset=ISO-8859-1">
<font size="-1">I'm having a problem with the dialog module's
topology hiding when a UA is behind a NAT.<br>
<br>
If I call <br>
<br>
if (nat_uac_test()) {<br>
fix_nated_contact();<br>
}<br>
topology_hiding();<br>
<br>
The Contact header is rewritten twice - once by
fix_nated_contact() and again by topology_hiding(). This results
in an invalid contact header.<br>
<br>
Is there an obvious way I'm missing that could make these two
modules coexist, or is the best solution to add NAT knowledge to
dlg_tophiding.c? This seems like a lot of code to duplicate.<br>
</font>
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</blockquote>
<br>
<br>
<pre class="moz-signature" cols="72">--
Bogdan-Andrei Iancu
OpenSIPS eBootcamp - 19th of September 2011
OpenSIPS solutions and "know-how"</pre>
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