<div dir="ltr">Hi Rik, <div><br></div><div>Try to use pedantic=no (sip.conf) on Asterisk. it stops some SIP checkings for Asterisk. Usually this is the default setting, but it is worth checking. </div><div><br></div><div>
Best regards, </div><div class="gmail_extra"><br clear="all"><div><div dir="ltr">Flavio E. Goncalves<br><div><br></div></div></div>
<br><br><div class="gmail_quote">2013/11/6 Rik Broers <span dir="ltr"><<a href="mailto:RBroers@motto.nl" target="_blank">RBroers@motto.nl</a>></span><br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
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<p class="MsoNormal"><a name="1422c3810005797e__MailEndCompose"><span lang="EN-US" style>Hmm I can see that increasing Cseq on proxy would create some out of sequence problems on the original UA.<u></u><u></u></span></a></p>
<p class="MsoNormal"><span lang="EN-US" style>What else could I try to manage what I want?<u></u><u></u></span></p>
<p class="MsoNormal"><span lang="EN-US" style><u></u> <u></u></span></p>
<p class="MsoNormal"><span lang="EN-US" style>Maybe B2Bua scenario for opensips?<u></u><u></u></span></p>
<p class="MsoNormal"><span lang="EN-US" style><u></u> <u></u></span></p>
<p class="MsoNormal"><span lang="EN-US" style>I’m unable to relay the 401 Unauth back to the UA as the call will be stopped then :/
<u></u><u></u></span></p>
<p class="MsoNormal"><span lang="EN-US" style>Is there a way to trigger the ua to answer me so I get an increased Cseq and that I can transform that message into an invite with auth?<u></u><u></u></span></p>
<p class="MsoNormal"><span lang="EN-US" style><u></u> <u></u></span></p>
<p class="MsoNormal"><span lang="EN-US" style>I’m also looking into asterisk to see if I can modify it to accept my Same-Cseq invite.<u></u><u></u></span></p><div class="im">
<p class="MsoNormal"><span lang="EN-US" style><u></u> <u></u></span></p>
<p class="MsoNormal"><span style>Met vriendelijke groet,</span><span style><u></u><u></u></span></p>
<p class="MsoNormal"><span style><u></u> <u></u></span></p>
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<p class="MsoNormal" style="line-height:105%"><b><span lang="EN-US" style="font-size:10.0pt;line-height:105%;font-family:"Trebuchet MS","sans-serif";color:#a1c31f">Rik Broers<u></u><u></u></span></b></p>
<p class="MsoNormal" style="line-height:105%"><b><i><span lang="EN-US" style="line-height:105%;font-size:8.0pt;font-family:"Trebuchet MS","sans-serif"">Voice Engineer</span></i></b><b><i><span lang="EN-US" style="line-height:105%;font-size:8.0pt;font-family:"Verdana","sans-serif""><u></u><u></u></span></i></b></p>
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<p class="MsoNormal"><span lang="EN-US" style><u></u> <u></u></span></p>
<p class="MsoNormal"><span lang="EN-US" style><u></u> <u></u></span></p>
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<p class="MsoNormal" style="margin-left:35.4pt"><b><span lang="EN-US" style="color:windowtext">From:</span></b><span lang="EN-US" style="color:windowtext"> Bogdan-Andrei Iancu [mailto:<a href="mailto:bogdan@opensips.org" target="_blank">bogdan@opensips.org</a>]
<br>
<b>Sent:</b> maandag 4 november 2013 12:26</span></p><div><div class="h5"><br>
<b>To:</b> Rik Broers<br>
<b>Cc:</b> OpenSIPS users mailling list<br>
<b>Subject:</b> Re: [OpenSIPS-Users] uac_auth<u></u><u></u></div></div><p></p>
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</div><div><div class="h5">
<p class="MsoNormal" style="margin-left:35.4pt"><u></u> <u></u></p>
<p class="MsoNormal" style="margin-left:35.4pt"><tt><span style="font-size:10.0pt">Hi Rik,</span></tt><span style="font-size:10.0pt;font-family:"Courier New""><br>
<br>
<tt>The truth is in the middle. The second invite from opensips (the one with credentials) must not be considered a retransmission - it has a totally different VIA branch -> different transaction.</tt><br>
<tt>Also, OpenSIPS should increase the CSeq when answering to the challenge, but not able to do so as OpenSIPS is mainly a SIP proxy, not a b2bua.</tt><br>
<br>
<tt>Regards,</tt><br>
<br>
<br>
</span><span style="font-size:12.0pt"><u></u><u></u></span></p>
<pre style="margin-left:35.4pt">Bogdan-Andrei Iancu<u></u><u></u></pre>
<pre style="margin-left:35.4pt">OpenSIPS Founder and Developer<u></u><u></u></pre>
<pre style="margin-left:35.4pt"><a href="http://www.opensips-solutions.com" target="_blank">http://www.opensips-solutions.com</a><u></u><u></u></pre>
<p class="MsoNormal" style="margin-left:35.4pt"><br>
On 11/04/2013 12:22 PM, Rik Broers wrote: <u></u><u></u></p>
<blockquote style="margin-top:5.0pt;margin-bottom:5.0pt">
<p class="MsoNormal" style="margin-left:35.4pt"><span lang="EN-US">Hello Bogdan,</span><u></u><u></u></p>
<p class="MsoNormal" style="margin-left:35.4pt"><span lang="EN-US"> </span><u></u><u></u></p>
<p class="MsoNormal" style="margin-left:35.4pt"><span lang="EN-US">Yes I’m very sure that the proper credentials are used ;)</span><u></u><u></u></p>
<p class="MsoNormal" style="margin-left:35.4pt"><span lang="EN-US"> </span><u></u><u></u></p>
<p class="MsoNormal" style="margin-left:35.4pt"><span lang="EN-US">I’m going to try and calculate the response according to the RFC.</span><u></u><u></u></p>
<p class="MsoNormal" style="margin-left:35.4pt"><span lang="EN-US"> </span><u></u><u></u></p>
<p class="MsoNormal" style="margin-left:35.4pt"><span lang="EN-US">One thing I found is that asterisk seems to ignore my second invite with Authorization because of retransmit?</span><u></u><u></u></p>
<p class="MsoNormal" style="margin-left:35.4pt"><span lang="EN-US">It seems that I should increase my CSEQ on second invite.. How can I do this neatly?</span><u></u><u></u></p>
<p class="MsoNormal" style="margin-left:35.4pt"><span lang="EN-US"> </span><u></u><u></u></p>
<p class="MsoNormal" style="margin-left:35.4pt"><span lang="EN-US" style="font-size:9.0pt;font-family:"Lucida Console";color:windowtext">[Nov 4 11:08:25]
</span><span lang="EN-US" style="font-size:9.0pt">DEBUG[22804]: chan_sip.c:22448 handle_incoming: **** Received INVITE (5) - Command in SIP INVITE</span><u></u><u></u></p>
<p class="MsoNormal" style="margin-left:35.4pt"><span lang="EN-US" style="font-size:9.0pt;font-family:"Lucida Console";color:windowtext">[Nov 4 11:08:25]
</span><span lang="EN-US" style="font-size:9.0pt">DEBUG[22804]: chan_sip.c:22467 handle_incoming: Ignoring SIP message because of retransmit (INVITE Seqno 12481, ours 12481) Ignoring this INVITE request</span><u></u><u></u></p>
<p class="MsoNormal" style="margin-left:35.4pt"><span lang="EN-US"> </span><u></u><u></u></p>
<p class="MsoNormal" style="margin-left:35.4pt"><span lang="EN-US"> </span><u></u><u></u></p>
<div>
<p class="MsoNormal" style="margin-left:35.4pt"><span lang="EN-US">Met vriendelijke groet,</span><u></u><u></u></p>
<p class="MsoNormal" style="margin-left:35.4pt"><span lang="EN-US"> </span><u></u><u></u></p>
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<p class="MsoNormal" style="line-height:105%"><b><span lang="EN-US" style="font-size:10.0pt;line-height:105%;font-family:"31)"">Rik Broers</span></b><u></u><u></u></p>
<p class="MsoNormal" style="line-height:105%"><b><i><span lang="EN-US" style="font-size:8.0pt;line-height:105%">Voice Engineer</span></i></b><u></u><u></u></p>
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<p class="MsoNormal" style="margin-left:35.4pt"><span lang="EN-US"> </span><u></u><u></u></p>
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<p class="MsoNormal" style="margin-left:35.4pt"><span lang="EN-US"> </span><u></u><u></u></p>
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<p class="MsoNormal" style="margin-left:70.8pt"><b><span lang="EN-US" style="color:windowtext">From:</span></b><span lang="EN-US" style="color:windowtext"> Bogdan-Andrei Iancu [<a href="mailto:bogdan@opensips.org" target="_blank">mailto:bogdan@opensips.org</a>]
<br>
<b>Sent:</b> vrijdag 1 november 2013 12:34<br>
<b>To:</b> Rik Broers<br>
<b>Cc:</b> OpenSIPS users mailling list<br>
<b>Subject:</b> Re: [OpenSIPS-Users] uac_auth</span><u></u><u></u></p>
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<p class="MsoNormal" style="margin-left:70.8pt"><span lang="EN-US"> </span><u></u><u></u></p>
<p class="MsoNormal" style="margin-left:70.8pt"><tt><span lang="EN-US" style="font-size:10.0pt">Hello Rik,</span></tt><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New ;""><br>
<br>
</span><tt><span lang="EN-US" style="font-size:10.0pt">It may be silly , but are you sure you filled in the proper credentials (realm, auth user and password) ??</span></tt><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New ;""><br>
<br>
</span><tt><span lang="EN-US" style="font-size:10.0pt">Also, based on how the response for digest is computed, you can double check the OpenSIPS auth response (calculating the HA and md5 sums as per RFC 2617).</span></tt><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New ;""><br>
<br>
</span><tt><span lang="EN-US" style="font-size:10.0pt">Regards,</span></tt><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New ;""><br>
<br>
<br>
</span><u></u><u></u></p>
<pre style="margin-left:70.8pt"><span lang="EN-US">Bogdan-Andrei Iancu</span><u></u><u></u></pre>
<pre style="margin-left:70.8pt"><span lang="EN-US">OpenSIPS Founder and Developer</span><u></u><u></u></pre>
<pre style="margin-left:70.8pt"><a href="http://www.opensips-solutions.com" target="_blank"><span lang="EN-US">http://www.opensips-solutions.com</span></a><u></u><u></u></pre>
<p class="MsoNormal" style="margin-left:70.8pt"><span lang="EN-US"><br>
On 11/01/2013 01:09 PM, Rik Broers wrote: </span><u></u><u></u></p>
<blockquote style="margin-top:5.0pt;margin-bottom:5.0pt">
<p class="MsoNormal" style="margin-left:70.8pt"><span lang="EN-US">Yes, thats correct. Opensips sends out an invite with Authorization header as response on the 401 unauthorized.</span><u></u><u></u></p>
<p class="MsoNormal" style="margin-left:70.8pt"><span lang="EN-US">This authorization header contains the correct Nonce.</span><u></u><u></u></p>
<p class="MsoNormal" style="margin-left:70.8pt"><span lang="EN-US">Instead of being authorized I receive another 401 unauthorized which opensips replies again with new nonce and so on until max branches is reached.</span><u></u><u></u></p>
<p class="MsoNormal" style="margin-left:70.8pt"><span lang="EN-US"> </span><u></u><u></u></p>
<div>
<p class="MsoNormal" style="margin-left:70.8pt">Met vriendelijke groet,<u></u><u></u></p>
<p class="MsoNormal" style="margin-left:70.8pt">Regards,<u></u><u></u></p>
<p class="MsoNormal" style="margin-left:70.8pt"> <u></u><u></u></p>
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<p class="MsoNormal" style="line-height:105%"><b><span lang="EN-US" style="font-size:10.0pt;line-height:105%;font-family:"31)"">Rik Broers</span></b><u></u><u></u></p>
<p class="MsoNormal" style="line-height:105%"><b><i><span lang="EN-US" style="font-size:8.0pt;line-height:105%">Voice Engineer</span></i></b><u></u><u></u></p>
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<p class="MsoNormal" style="margin-left:70.8pt"><span lang="EN-US"> </span><u></u><u></u></p>
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<p class="MsoNormal" style="margin-left:70.8pt"><span lang="EN-US"> </span><u></u><u></u></p>
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<p class="MsoNormal" style="margin-left:106.2pt"><b><span lang="EN-US" style="color:windowtext">From:</span></b><span lang="EN-US" style="color:windowtext"> Bogdan-Andrei Iancu [</span><a href="mailto:bogdan@opensips.org" target="_blank"><span lang="EN-US">mailto:bogdan@opensips.org</span></a><span lang="EN-US" style="color:windowtext">]
<br>
<b>Sent:</b> vrijdag 1 november 2013 11:49<br>
<b>To:</b> OpenSIPS users mailling list<br>
<b>Cc:</b> Rik Broers<br>
<b>Subject:</b> Re: [OpenSIPS-Users] uac_auth</span><u></u><u></u></p>
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</div>
<p class="MsoNormal" style="margin-left:106.2pt"><span lang="EN-US"> </span><u></u><u></u></p>
<p class="MsoNormal" style="margin-left:106.2pt"><tt><span lang="EN-US" style="font-size:10.0pt">Hello Rik,</span></tt><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New""><br>
<br>
<tt>So OpenSIPS generates a new INVITE with credentials (as a result of the uac_auth() ), but this is also rejected ?</tt><br>
<br>
<tt>Regards,</tt><br>
<br>
<br>
<br>
</span><u></u><u></u></p>
<pre style="margin-left:106.2pt"><span lang="EN-US">Bogdan-Andrei Iancu</span><u></u><u></u></pre>
<pre style="margin-left:106.2pt"><span lang="EN-US">OpenSIPS Founder and Developer</span><u></u><u></u></pre>
<pre style="margin-left:106.2pt"><a href="http://www.opensips-solutions.com" target="_blank"><span lang="EN-US">http://www.opensips-solutions.com</span></a><u></u><u></u></pre>
<p class="MsoNormal" style="margin-left:106.2pt"><span lang="EN-US"><br>
On 10/31/2013 11:46 AM, Rik Broers wrote: </span><u></u><u></u></p>
<blockquote style="margin-top:5.0pt;margin-bottom:5.0pt">
<p class="MsoNormal" style="margin-left:106.2pt"><span lang="EN-US">Hi,</span><u></u><u></u></p>
<p class="MsoNormal" style="margin-left:106.2pt"><span lang="EN-US"> </span><u></u><u></u></p>
<p class="MsoNormal" style="margin-left:106.2pt"><span lang="EN-US">I’m trying to use the uac_auth() function to add Authorization to my invite after I received a 401 Unauthorized.
</span><u></u><u></u></p>
<p class="MsoNormal" style="margin-left:106.2pt"><span lang="EN-US">I call the function in the failure route and according to Debug the authorization header is inserted. I also see this in a trace.</span><u></u><u></u></p>
<p class="MsoNormal" style="margin-left:106.2pt"><span lang="EN-US">Unfortunately I haven’t been able to authorize successfully, double checked everything and also tried with phones to ensure the credentials are correct and my asterisk is working.</span><u></u><u></u></p>
<p class="MsoNormal" style="margin-left:106.2pt"><span lang="EN-US">I’m filling the credentials with a modparam not with AVP.</span><u></u><u></u></p>
<p class="MsoNormal" style="margin-left:106.2pt"><span lang="EN-US"> </span><u></u><u></u></p>
<p class="MsoNormal" style="margin-left:106.2pt"><span lang="EN-US">In DBG I see this:
</span><span lang="EN-US" style="font-size:9.0pt;font-family:"Lucida Console ;"">DBG:uac_auth:build_authorization_hdr: hdr is <Authorization: Digest username="**", realm="**", nonce="31d5b0d9", uri="***;user=phone", response="ea344343187f27c668be8fdc3acf8c5a",
algorithm=MD5#015#012></span><u></u><u></u></p>
<p class="MsoNormal" style="margin-left:106.2pt"><span lang="EN-US">So it seems to match correctly.</span><u></u><u></u></p>
<p class="MsoNormal" style="margin-left:106.2pt"><span lang="EN-US"> </span><u></u><u></u></p>
<p class="MsoNormal" style="margin-left:106.2pt"><span lang="EN-US">I’m authenticating against Asterisk. And my failure route looks like this:</span><u></u><u></u></p>
<p class="MsoNormal" style="margin-left:106.2pt"><span lang="EN-US">failure_route</span><span lang="EN-US" style="font-size:9.0pt">[FailPBX]</span><span lang="EN-US">{</span><u></u><u></u></p>
<p class="MsoNormal" style="margin-left:106.2pt"><span lang="EN-US"> xlog("Im in failpbx route")</span><span lang="EN-US" style="font-size:9.0pt;font-family:"Lucida Console";color:aqua">;</span><u></u><u></u></p>
<p class="MsoNormal" style="margin-left:106.2pt"><span lang="EN-US"> uac_auth()</span><span lang="EN-US" style="font-size:9.0pt;font-family:"Lucida Console";color:aqua">;</span><u></u><u></u></p>
<p class="MsoNormal" style="margin-left:106.2pt"><span lang="EN-US"> t_on_failure("FailPBX")</span><span lang="EN-US" style="font-size:9.0pt;font-family:"Lucida Console ; color: aqua;"">;</span><u></u><u></u></p>
<p class="MsoNormal" style="margin-left:106.2pt"><span lang="EN-US"> t_relay()</span><span lang="EN-US" style="font-size:9.0pt;font-family:"Lucida Console ;"">;</span><u></u><u></u></p>
<p class="MsoNormal" style="margin-left:106.2pt"><span lang="EN-US">}</span><u></u><u></u></p>
<p class="MsoNormal" style="margin-left:106.2pt"><span lang="EN-US"> </span><u></u><u></u></p>
<p class="MsoNormal" style="margin-left:106.2pt"><span lang="EN-US">What happens is the following</span><u></u><u></u></p>
<p class="MsoNormal" style="margin-left:106.2pt"><span lang="EN-US">-> Invite</span><u></u><u></u></p>
<p class="MsoNormal" style="margin-left:106.2pt"><span lang="EN-US"><- 100 Giving a try</span><u></u><u></u></p>
<p class="MsoNormal" style="margin-left:106.2pt"><span lang="EN-US"><- 401 Unauthorized (Unique nonce 1)</span><u></u><u></u></p>
<p class="MsoNormal" style="margin-left:106.2pt"><span lang="EN-US">-> ACK</span><u></u><u></u></p>
<p class="MsoNormal" style="margin-left:106.2pt"><span lang="EN-US">-> invite with authorization header (unique Nonce 1)</span><u></u><u></u></p>
<p class="MsoNormal" style="margin-left:106.2pt"><span lang="EN-US"><- 100 Giving a try</span><u></u><u></u></p>
<p class="MsoNormal" style="margin-left:106.2pt"><span lang="EN-US"><- 401 Unauthorized (Unique nonce 2)</span><u></u><u></u></p>
<p class="MsoNormal" style="margin-left:106.2pt"><span lang="EN-US">-> invite with authorization header (unique Nonce 2)</span><u></u><u></u></p>
<p class="MsoNormal" style="margin-left:106.2pt"><span lang="EN-US">….. and so on until
</span><span lang="EN-US" style="font-size:9.0pt;font-family:"Lucida Console ;"">ERROR:tm:add_uac: maximum number of branches exceeded.</span><u></u><u></u></p>
<p class="MsoNormal" style="margin-left:106.2pt"><span lang="EN-US"> </span><u></u><u></u></p>
<p class="MsoNormal" style="margin-left:106.2pt"><span lang="EN-US"> </span><u></u><u></u></p>
<p class="MsoNormal" style="margin-left:106.2pt"><span lang="EN-US">Only thing left for me now is to verify that the Digest calculated is correct.
<b>How can I do this?</b> What functions should I use on linux..</span><u></u><u></u></p>
<p class="MsoNormal" style="margin-left:106.2pt"><span lang="EN-US">Below my authorization challenge.</span><u></u><u></u></p>
<p class="MsoNormal" style="margin-left:106.2pt"><img border="0" width="641" height="31" src="cid:image001.png@01CEDAC6.79CE0E10" alt="imap://bogdan@opensips.org:993/fetch%3EUID%3E.INBOX%3E191220?header=quotebody&part=1.2&filename=image005.png"><u></u><u></u></p>
<p class="MsoNormal" style="margin-left:106.2pt"><span lang="EN-US"> </span><u></u><u></u></p>
<p class="MsoNormal" style="margin-left:106.2pt"><span lang="EN-US">Or are there any other things I’m missing?</span><u></u><u></u></p>
<p class="MsoNormal" style="margin-left:106.2pt"><span lang="EN-US">Im using </span>
<span lang="EN-US" style="font-size:9.0pt;font-family:"Lucida Console ;"">NOTICE:core:main: version: opensips 1.10.0-notls (x86_64/linux)</span><u></u><u></u></p>
<p class="MsoNormal" style="margin-left:106.2pt"><span lang="EN-US"> </span><u></u><u></u></p>
<p class="MsoNormal" style="margin-left:106.2pt"><span lang="EN-US"> </span><u></u><u></u></p>
<p class="MsoNormal" style="margin-left:106.2pt">Met vriendelijke groet,<u></u><u></u></p>
<p class="MsoNormal" style="margin-left:106.2pt">Regards,<u></u><u></u></p>
<p class="MsoNormal" style="margin-left:106.2pt"> <u></u><u></u></p>
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<p class="MsoNormal" style="line-height:105%"><b><span lang="EN-US" style="font-size:10.0pt;line-height:105%;font-family:"31)"">Rik Broers</span></b><u></u><u></u></p>
<p class="MsoNormal" style="line-height:105%"><b><i><span lang="EN-US" style="font-size:8.0pt;line-height:105%">Voice Engineer</span></i></b><u></u><u></u></p>
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<p class="MsoNormal" style="margin-left:106.2pt"><span lang="EN-US"> </span><u></u><u></u></p>
<pre style="margin-left:106.2pt"> <u></u><u></u></pre>
<pre style="margin-left:106.2pt"> <u></u><u></u></pre>
<pre style="margin-left:106.2pt">_______________________________________________<u></u><u></u></pre>
<pre style="margin-left:106.2pt">Users mailing list<u></u><u></u></pre>
<pre style="margin-left:106.2pt"><a href="mailto:Users@lists.opensips.org" target="_blank">Users@lists.opensips.org</a><u></u><u></u></pre>
<pre style="margin-left:106.2pt"><a href="http://lists.opensips.org/cgi-bin/mailman/listinfo/users" target="_blank">http://lists.opensips.org/cgi-bin/mailman/listinfo/users</a><u></u><u></u></pre>
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<br>_______________________________________________<br>
Users mailing list<br>
<a href="mailto:Users@lists.opensips.org">Users@lists.opensips.org</a><br>
<a href="http://lists.opensips.org/cgi-bin/mailman/listinfo/users" target="_blank">http://lists.opensips.org/cgi-bin/mailman/listinfo/users</a><br>
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