<div><font face="verdana,sans-serif">I&#39;ve seen something interesting here, </font></div>
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<div><font face="verdana,sans-serif">When the zoiper softphone send the REGISTER with expires=0 (normal behavior as i&#39;m restarting the phone), Opensips answers with the following: (take a look at the trace)</font></div>

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<div><font face="verdana,sans-serif">#<br>U 2011/02/09 12:22:19.307852 <a href="http://172.30.140.47:5060">172.30.140.47:5060</a> -&gt; <a href="http://172.30.140.57:5060">172.30.140.57:5060</a><br>REGISTER sip:172.30.140.57;transport=UDP SIP/2.0<br>
Via: SIP/2.0/UDP 172.30.140.47:5060;branch=z9hG4bK-d8754z-15075d40ba64fa00-1---d8754z-<br>Max-Forwards: 70<br>Contact: &lt;sip:1001@172.30.140.47:5060;rinstance=bd724156614686a6;transport=UDP&gt;;<strong>expires=0<br></strong>To: &quot;1001&quot;&lt;<a href="mailto:sip%3A1001@172.30.140.57">sip:1001@172.30.140.57</a>;transport=UDP&gt;<br>
From: &quot;1001&quot;&lt;<a href="mailto:sip%3A1001@172.30.140.57">sip:1001@172.30.140.57</a>;transport=UDP&gt;;tag=8e1f5910<br>Call-ID: NTAwOGYyNDVhNzY4NjNhMjY0NTZlNTcwN2VjN2RhYWM.<br>CSeq: 4 REGISTER<br>Allow: INVITE, ACK, CANCEL, BYE, NOTIFY, REFER, MESSAGE, OPTIONS, INFO, SUBSCRIBE<br>
User-Agent: Zoiper rev.5324<br>Authorization: Digest username=&quot;1001&quot;,realm=&quot;172.30.140.57&quot;,nonce=&quot;4d5279090000001c0a15fa778702ef3d4d1139dfda7a275e&quot;,uri=&quot;sip:172.30.140.57;transport=UDP&quot;,response=&quot;859420dd3fefcccbf4d2727ff4db611d&quot;,algorithm=MD5<br>
Allow-Events: presence<br>Content-Length: 0</font></div>
<div><font face="verdana,sans-serif"><br>#<br>U 2011/02/09 12:22:19.308281 <a href="http://172.30.140.57:5060">172.30.140.57:5060</a> -&gt; <a href="http://172.30.140.47:5060">172.30.140.47:5060</a><br>SIP/2.0 200 OK<br>
Via: SIP/2.0/UDP 172.30.140.47:5060;branch=z9hG4bK-d8754z-15075d40ba64fa00-1---d8754z-<br>To: &quot;1001&quot;&lt;<a href="mailto:sip%3A1001@172.30.140.57">sip:1001@172.30.140.57</a>;transport=UDP&gt;;tag=c1aca2eceea8b9ed63a816bcd8cf10b1.e871<br>
From: &quot;1001&quot;&lt;<a href="mailto:sip%3A1001@172.30.140.57">sip:1001@172.30.140.57</a>;transport=UDP&gt;;tag=8e1f5910<br>Call-ID: NTAwOGYyNDVhNzY4NjNhMjY0NTZlNTcwN2VjN2RhYWM.<br>CSeq: 4 REGISTER<br>Contact: &lt;sip:1001@172.30.140.47:5060;rinstance=a03689bfb7cef683;transport=UDP&gt;;<strong>expires=2149<br>
</strong>Server: OpenSIPS (1.6.3-notls (i386/linux))<br>Content-Length: 0</font></div>
<div><font face="verdana,sans-serif"></font> </div>
<div><font face="verdana,sans-serif">As you can see, Opensips answers with a expires of 2149; that&#39;s why opensips keep this registration untill the expiration time reachs 0, any ideas why opensips answer with this value?</font></div>

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<div><font face="Verdana">Thanks!</font></div>
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<div class="gmail_quote">2011/2/9 Toyima Dias <span dir="ltr">&lt;<a href="mailto:toyimads@gmail.com">toyimads@gmail.com</a>&gt;</span><br>
<blockquote style="BORDER-LEFT: #ccc 1px solid; MARGIN: 0px 0px 0px 0.8ex; PADDING-LEFT: 1ex" class="gmail_quote">
<div><font face="verdana,sans-serif">Hello, </font></div>
<div><font face="verdana,sans-serif"></font> </div>
<div><font face="verdana,sans-serif">I&#39;ve a doubt about a little problem in my opensips server, right now i just have 2 softphones registered with my opensips server, every time i restart the phones opensips creates the following:</font></div>

<div><font face="verdana,sans-serif"></font> </div>
<div><font face="verdana,sans-serif">OpenSIPS:/usr/src/opensips-1.6.3-tls#opensipsctl ul show<br>Domain:: location table=512 records=2<br>        AOR:: 1000<br>                Contact:: sip:1000@172.30.140.47:26612;rinstance=4975490f64787658 Q=<br>
                        Expires:: 3565<br>                        Callid:: OWE3Y2NmYTI3MWNjNzRjOTkxNDU0YTQ1ZTMxM2RhNTU.<br>                        Cseq:: 2<br>                        User-agent:: X-Lite release 1011s stamp 41150<br>
                        State:: CS_SYNC<br>                        Flags:: 0<br>                        Cflag:: 0<br>                        Socket:: udp:<a href="http://172.30.140.57:5060/" target="_blank">172.30.140.57:5060</a><br>
                        Methods:: 5951<br>        AOR:: 1001<br>                Contact:: sip:1001@172.30.140.47:5060;rinstance=a03689bfb7cef683;transport=UDP Q=<br>                        Expires:: 2641<br>                        Callid:: NGQ4ZjBmMDhiMGIyNDc5MTA5NmExMDE1YzFhZjFlMjg.<br>
                        Cseq:: 2<br>                        User-agent:: Zoiper rev.5324<br>                        State:: CS_SYNC<br>                        Flags:: 0<br>                        Cflag:: 0<br>                        Socket:: udp:<a href="http://172.30.140.57:5060/" target="_blank">172.30.140.57:5060</a><br>
                        Methods:: 5951<br>                Contact:: sip:1001@172.30.140.47:5060;rinstance=333586886a503975;transport=UDP Q=<br>                        Expires:: 3597<br>                        Callid:: NTI0Y2VlYWJjNzI3NDEyMjkzYTNkZTYzMTdhMGEwYmY.<br>
                        Cseq:: 2<br>                        User-agent:: Zoiper rev.5324<br>                        State:: CS_SYNC<br>                        Flags:: 0<br>                        Cflag:: 0<br>                        Socket:: udp:<a href="http://172.30.140.57:5060/" target="_blank">172.30.140.57:5060</a><br>
                        Methods:: 5951<br></font></div>
<div><font face="verdana,sans-serif">As you can see, user 1001 has created 2 registrations (don&#39;t now why, it should sent an expires=0 when the softphone was restarted...it might be a problem of the zoiper softphone?); the problem is when 1000 calls 1001, Opensips send INVITE to both registrations of 1001 (the same equipment), and this phone send a 482 Merged Request...i&#39;ve been checking the section 8.2.2.2 at RFC 3261 but i&#39;m quite confuse...what should i check?</font></div>

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