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    Hello,<br>
    <br>
    have you created the transaction before calling registrar/usrloc
    functions (e.g., using t_newtran())? You seem to want to match from
    transaction point of view.<br>
    <br>
    Registrar is matching based on contact, that being the key for the
    registrations -- there are some module parameters that allow
    different matching options.<br>
    <br>
    Cheers,<br>
    Daniel<br>
    <br>
    <div class="moz-cite-prefix">On 7/25/13 11:46 AM, Shankar wrote:<br>
    </div>
    <blockquote
      cite="mid:51f0f4d1.e208c20a.43dc.0e9fSMTPIN_ADDED_BROKEN@mx.google.com"
      type="cite">
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        <p class="MsoNormal"><span style="color:#1F497D">Hi,<o:p></o:p></span></p>
        <p class="MsoNormal"><span style="color:#1F497D"><o:p> </o:p></span></p>
        <p class="MsoNormal"><span style="color:#1F497D">We are testing
            the REGISTRAR with kamailio. <o:p></o:p></span></p>
        <p class="MsoNormal"><span style="color:#1F497D"><o:p> </o:p></span></p>
        <p class="MsoNormal"><span style="color:#1F497D">We tested the
            following scenario ,<o:p></o:p></span></p>
        <p class="MsoNormal"><span style="color:#1F497D"><o:p> </o:p></span></p>
        <p class="MsoListParagraph"
          style="margin-left:.75in;text-indent:-.25in;mso-list:l0 level1
          lfo1"><!--[if !supportLists]--><span
            style="font-family:Wingdings;color:#1F497D"><span
              style="mso-list:Ignore">è<span style="font:7.0pt
                "Times New Roman""> </span></span></span><!--[endif]--><span
            style="color:#1F497D">Register Request with contact ‘A’.<o:p></o:p></span></p>
        <p class="MsoListParagraph"
          style="margin-left:.75in;text-indent:-.25in;mso-list:l0 level1
          lfo1"><!--[if !supportLists]--><span
            style="font-family:Wingdings;color:#1F497D"><span
              style="mso-list:Ignore">è<span style="font:7.0pt
                "Times New Roman""> </span></span></span><!--[endif]--><span
            style="color:#1F497D">200 OK received for the request<o:p></o:p></span></p>
        <p class="MsoListParagraph"
          style="margin-left:.75in;text-indent:-.25in;mso-list:l0 level1
          lfo1"><!--[if !supportLists]--><span
            style="font-family:Wingdings;color:#1F497D"><span
              style="mso-list:Ignore">è<span style="font:7.0pt
                "Times New Roman""> </span></span></span><!--[endif]--><span
            style="color:#1F497D">Second Register request with contact
            ‘B’. (Requet-URI, To Tag, From tag, call-id, and Cseq ->
            all same as the first register request)<o:p></o:p></span></p>
        <p class="MsoListParagraph"
          style="margin-left:.75in;text-indent:-.25in;mso-list:l0 level1
          lfo1"><!--[if !supportLists]--><span
            style="font-family:Wingdings;color:#1F497D"><span
              style="mso-list:Ignore">è<span style="font:7.0pt
                "Times New Roman""> </span></span></span><!--[endif]--><span
            style="color:#1F497D">200 OK received for the request.<o:p></o:p></span></p>
        <p class="MsoNormal"><span style="color:#1F497D"><o:p> </o:p></span></p>
        <p class="MsoNormal"><span style="color:#1F497D">When we checked
            the ‘location’ table entry, two records were found for the
            same user with different contact addresses.  <o:p></o:p></span></p>
        <p class="MsoNormal"><span style="color:#1F497D"><o:p> </o:p></span></p>
        <p class="MsoNormal"><span style="color:#1F497D">Please find
            below the RFC extract below,<o:p></o:p></span></p>
        <p class="MsoNormal"><span style="color:#1F497D"><o:p> </o:p></span></p>
        <p class="MsoNormal"><span
            style="font-size:10.0pt;font-family:"Courier New"">Section
            17.2.3<o:p></o:p></span></p>
        <p class="MsoNormal"><span
            style="font-size:10.0pt;font-family:"Courier New"">  
            For all other request methods, a request is matched to a
            transaction<o:p></o:p></span></p>
        <p class="MsoNormal"><span
            style="font-size:10.0pt;font-family:"Courier New"">  
            if the Request-URI, To tag, From tag, Call-ID, CSeq
            (including the<o:p></o:p></span></p>
        <p class="MsoNormal"><span
            style="font-size:10.0pt;font-family:"Courier New"">  
            method), and top Via header field match those of the request
            that<o:p></o:p></span></p>
        <p class="MsoNormal"><span
            style="font-size:10.0pt;font-family:"Courier New"">  
            created the transaction.  Matching is done based on the
            matching<o:p></o:p></span></p>
        <p class="MsoNormal"><span
            style="font-size:10.0pt;font-family:"Courier New"">  
            rules defined for each of those header fields.  When a
            non-INVITE<o:p></o:p></span></p>
        <p class="MsoNormal"><span
            style="font-size:10.0pt;font-family:"Courier New"">  
            request matches an existing transaction, it is a
            retransmission of<o:p></o:p></span></p>
        <p class="MsoNormal"><span
            style="font-size:10.0pt;font-family:"Courier New"">  
            the request that created that transaction.<o:p></o:p></span></p>
        <p class="MsoNormal"><span style="color:#1F497D"><o:p> </o:p></span></p>
        <p class="MsoNormal"><span style="color:#1F497D">My
            understanding is that the second register request should be
            considered as duplicate and rejected. <o:p></o:p></span></p>
        <p class="MsoNormal"><span style="color:#1F497D"><o:p> </o:p></span></p>
        <p class="MsoNormal"><span style="color:#1F497D">Please share
            your feedback on the same.<o:p></o:p></span></p>
        <p class="MsoNormal"><span style="color:#1F497D"><o:p> </o:p></span></p>
        <p class="MsoNormal"><span style="color:#1F497D">Regards,<o:p></o:p></span></p>
        <p class="MsoNormal"><span style="color:#1F497D">Shankar<o:p></o:p></span></p>
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      <pre wrap="">_______________________________________________
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</pre>
    </blockquote>
    <br>
    <pre class="moz-signature" cols="72">-- 
Daniel-Constantin Mierla - <a class="moz-txt-link-freetext" href="http://www.asipto.com">http://www.asipto.com</a>
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