I just recently started having an issue where a single device is registering multiple times so the device can be registered X amount of times.  This shouldn&#39;t be happening.  I think it is just happening with my Snom phones.  Here is a look at the Location table<br /><br />Proxy02:~# opensipsctl db show location<br />+--------+------------+---------------+-------------------------------------------------------------------------------+----------+------+---------------------+------+--------------------------------------------------+------+---------------------+-------+--------+--------------------------------------------+-------------------------+---------+-------------------------------------------------+<br />| id     | username   | domain        | contact                                                                       | received | path | expires             | q    | callid                                           | cseq | last_modified       | flags | cflags | user_agent                                 | socket                  | methods | sip_instance                                    |<br />+--------+------------+---------------+-------------------------------------------------------------------------------+----------+------+---------------------+------+--------------------------------------------------+------+---------------------+-------+--------+--------------------------------------------+-------------------------+---------+-------------------------------------------------+<br />| 231491 | 9013349021 | irock.com     | sip:9013349021@99.67.237.217:2048                                             | NULL     | NULL | 2011-10-31 22:38:28 | 1.00 | 3c26702188f3-wg9ggov3glo6                        | 3201 | 2011-10-31 21:38:28 |     0 |      0 | snom360/8.4.18                             | udp:173.XXX.XXX.107:5060 |    NULL | &lt;urn:uuid:07c9b7b1-5952-4c4b-a166-971da65334c2&gt; |<br />|   1128 | 102        | test.com      | sip:102@173.XXX.XXX.111:5060                                                   | NULL     | NULL | 1969-12-31 18:00:00 | 1.00 | dfjrewr12386fd6-343@opensips.mi                  |    1 | 1969-12-31 18:00:00 |     0 |      0 | OpenSIPS MI Server                         | NULL                    |    NULL | NULL                                            |<br />| 231496 | 9013349020 | coolbeans.com | sip:vpbidjfg@99.67.237.217:64774                                              | NULL     | NULL | 2011-10-31 21:57:15 | 0.38 | 801baf3287bd4f43929c88f07c89c9ea                 |   30 | 2011-10-31 21:47:15 |     0 |      0 | Blink 0.2.7 (Windows)                      | udp:173.XXX.XXX.107:5060 |    NULL | NULL                                            |<br />| 231497 | 9012732005 | coolbeans.com | sip:9012732005@99.67.237.217:5060;transport=udp;registering_acc=coolbeans_com | NULL     | NULL | 2011-10-31 21:57:52 | 0.38 | 581f45098c015864a2198943707b017c@0:0:0:0:0:0:0:0 |    4 | 2011-10-31 21:47:52 |     0 |      0 | Jitsi1.0-beta1-nightly.build.3689Windows 7 | udp:173.XXX.XXX.107:5060 |    NULL | NULL                                            |<br />|   1341 | 100        | test.com      | sip:100@173.XXX.XXX.111:5062                                                   | NULL     | NULL | 1969-12-31 18:00:00 | 1.00 | dfjrewr12386fd6-343@opensips.mi                  |    1 | 1969-12-31 18:00:00 |     0 |      0 | OpenSIPS MI Server                         | NULL                    |    NULL | NULL                                            |<br />| 231495 | 9013349020 | coolbeans.com | sip:9013349020@99.67.237.217:3072;line=2j0ev89a                               | NULL     | NULL | 2011-10-31 21:56:55 | 1.00 | 4770263c90d3-d2fa1qumckis                        |   26 | 2011-10-31 21:46:55 |     0 |      0 | snom870/8.3.6                              | udp:173.XXX.XXX.107:5060 |    7999 | &lt;urn:uuid:595276e7-87d5-4917-addc-f7c173391da8&gt; |<br />| 231494 | 9012732005 | coolbeans.com | sip:9012732005@99.67.237.217:49466;line=01yfa297                              | NULL     | NULL | 2011-10-31 21:53:05 | 1.00 | 2970263c2350-rhkeg5rfn9kl                        | 1248 | 2011-10-31 21:43:05 |     0 |      0 | snom821/8.4.32                             | udp:173.XXX.XXX.107:5060 |    7999 | &lt;urn:uuid:8cc4eca7-3db7-410b-87a9-000413452240&gt; |<br />| 231499 | 9013349020 | coolbeans.com | sip:9013349020@99.67.237.217:3072;line=2j0ev89a                               | NULL     | NULL | 2011-10-31 22:01:55 | 1.00 | 4770263c90d3-d2fa1qumckis                        |   28 | 2011-10-31 21:51:55 |     0 |      0 | snom870/8.3.6                              | udp:173.XXX.XXX.107:5060 |    7999 | &lt;urn:uuid:595276e7-87d5-4917-addc-f7c173391da8&gt; |<br />| 231498 | 9012732005 | coolbeans.com | sip:9012732005@99.67.237.217:49466;line=01yfa297                              | NULL     | NULL | 2011-10-31 21:58:05 | 1.00 | 2970263c2350-rhkeg5rfn9kl                        | 1251 | 2011-10-31 21:48:05 |     0 |      0 | snom821/8.4.32                             | udp:173.XXX.XXX.107:5060 |    7999 | &lt;urn:uuid:8cc4eca7-3db7-410b-87a9-000413452240&gt; |<br />| 231493 | 9013349020 | coolbeans.com | sip:9013349020@99.67.237.217:3072;line=2j0ev89a                               | NULL     | NULL | 2011-10-31 21:51:55 | 1.00 | 4770263c90d3-d2fa1qumckis                        |   24 | 2011-10-31 21:41:55 |     0 |      0 | snom870/8.3.6                              | udp:173.XXX.XXX.107:5060 |    7999 | &lt;urn:uuid:595276e7-87d5-4917-addc-f7c173391da8&gt; |<br />+--------+------------+---------------+-------------------------------------------------------------------------------+----------+------+---------------------+------+--------------------------------------------------+------+---------------------+-------+--------+--------------------------------------------+-------------------------+---------+-------------------------------------------------+<br /><br /><br /><br />Here is a capture of a Snom registering<br /><br />#<br />U 2011/10/31 20:35:30.350428 99.67.237.217:49466 -&gt; 173.XXX.XXX.107:5060<br />REGISTER sip:coolbeans.com SIP/2.0.<br />Via: SIP/2.0/UDP 99.67.237.217:49466;branch=z9hG4bK-kj7ofqn7s2eo;rport.<br />From: &quot;John 273-2005&quot; &lt;sip:9012732005@coolbeans.com&gt;;tag=haeihsr4cy.<br />To: &quot;John 273-2005&quot; &lt;sip:9012732005@coolbeans.com&gt;.<br />Call-ID: 2970263c2350-rhkeg5rfn9kl.<br />CSeq: 1204 REGISTER.<br />Max-Forwards: 70.<br />Contact: &lt;sip:9012732005@99.67.237.217:49466;line=5dzmt6sw&gt;;reg-id=1;q=1.0;+sip.instance=&quot;&lt;urn:uuid:8cc4eca7-3db7-410b-87a9-000413452240&gt;&quot;;audio;mobility=&quot;fixed&quot;;duplex=&quot;full&quot;;description=&quot;snom821&quot;<br />;actor=&quot;principal&quot;;events=&quot;dialog&quot;;methods=&quot;INVITE,ACK,CANCEL,BYE,REFER,OPTIONS,NOTIFY,SUBSCRIBE,PRACK,MESSAGE,INFO&quot;.<br />User-Agent: snom821/8.4.32.<br />Allow-Events: dialog.<br />X-Real-IP: 192.168.1.70.<br />Supported: path, gruu.<br />Authorization: Digest username=&quot;9012732005&quot;,realm=&quot;coolbeans.com&quot;,nonce=&quot;4eaf4d00e88638b704039f4cfc50dfde5b20def7&quot;,uri=&quot;sip:coolbeans.com&quot;,qop=auth,nc=00000001,cnonce=&quot;7308dbbc&quot;,response=&quot;8aebd2aee<br />1433ce82aa3b8b775310dd2&quot;,algorithm=MD5.<br />Expires: 600.<br />Content-Length: 0.<br />.<br /><br />#<br />U 2011/10/31 20:35:30.438157 173.XXX.XXX.107:5060 -&gt; 99.67.237.217:49466<br />SIP/2.0 200 OK.<br />Via: SIP/2.0/UDP 99.67.237.217:49466;received=99.67.237.217;branch=z9hG4bK-kj7ofqn7s2eo;rport=49466.<br />From: &quot;John 273-2005&quot; &lt;sip:9012732005@coolbeans.com&gt;;tag=haeihsr4cy.<br />To: &quot;John 273-2005&quot; &lt;sip:9012732005@coolbeans.com&gt;;tag=90ecd6ebfaa7dfa0f1f8f06360e22e19.ca1d.<br />Call-ID: 2970263c2350-rhkeg5rfn9kl.<br />CSeq: 1204 REGISTER.<br />Contact: &lt;sip:9012732005@99.67.237.217:49466;line=5dzmt6sw&gt;;q=1;expires=600;pub-gruu=&quot;sip:9012732005@coolbeans.com;gr=urn:uuid:8cc4eca7-3db7-410b-87a9-000413452240&quot;;temp-gruu=&quot;sip:tgruu.AUMBXmIAQWA<br />DQBNXYwBCZANCA15mcRM8XxxRCzJfA31TH15OJkMeaUUFWgppCRMwBBVQD2QcQzdSRx5aYgESfghHUld+AUBjBEEAWmYDQmcAUAFXZAFCZQMTAV1mAV0hWBtWCWZDFj0JG19u@173.XXX.XXX.107:5060;gr&quot;, &lt;sip:9012732005@99.67.237.217:49466;li<br />ne=5dzmt6sw&gt;;q=1;expires=300;pub-gruu=&quot;sip:9012732005@coolbeans.com;gr=urn:uuid:8cc4eca7-3db7-410b-87a9-000413452240&quot;;temp-gruu=&quot;sip:tgruu.AUMBXmIAQWADQBNXYwBCZANCA15mcRM8XxxRCzJfA31TH15OJkMeaUUFWg<br />ppCRMwBBVQD2QcQzdSRx5aYgESfghHUld+AUBjBEEAWmYDQmcAUAFXZAFCZQMTAV1mAV0hWBtWCWZDFj0JG18A@173.XXX.XXX.107:5060;gr&quot;, &lt;sip:9012732005@99.67.237.217:5060;transport=udp;registering_acc=coolbeans_com&gt;;q=0.3<br />8;expires=29, &lt;sip:9012732005@99.67.237.217:5060;transport=udp;registering_acc=coolbeans_com&gt;;q=0.38;expires=570.<br />Server: Aethercommunications SIP Proxy.<br />Content-Length: 0.<br /><br /><br /><br />Any clue as to what could be wrong?<br /><br />Here is a capture of a Blink client registering.  The only real difference I see is that Blink doesn&#39;t have GRUU supported in it.<br /><br />U 2011/10/31 20:59:44.653225 99.67.237.217:64774 -&gt; 173.XXX.XXX.107:5060<br />REGISTER sip:coolbeans.com SIP/2.0.<br />Via: SIP/2.0/UDP 99.67.237.217:64774;rport;branch=z9hG4bKPj830a4845ef764cf5bab8da258fbf6550.<br />Max-Forwards: 70.<br />From: &quot;9013349020&quot; &lt;sip:9013349020@coolbeans.com&gt;;tag=221ab2aa6cd643bd916499cef59fb7e2.<br />To: &quot;9013349020&quot; &lt;sip:9013349020@coolbeans.com&gt;.<br />Contact: &lt;sip:vpbidjfg@99.67.237.217:64774&gt;.<br />Call-ID: 801baf3287bd4f43929c88f07c89c9ea.<br />CSeq: 20 REGISTER.<br />Expires: 600.<br />User-Agent: Blink 0.2.7 (Windows).<br />Authorization: Digest username=&quot;9013349020&quot;, realm=&quot;coolbeans.com&quot;, nonce=&quot;4eaf52ae5e118b6c2c21d7a441fae23ad6ce08fe&quot;, uri=&quot;sip:coolbeans.com&quot;, response=&quot;a1a01a41a57a163b078c4be7cd120661&quot;, cnonce=&quot;9<br />9202526fad0443090fbd03bfdef9466&quot;, qop=auth, nc=00000001.<br />Content-Length:  0.<br />.