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    <p>Vlad,</p>
    <p>Thank you , that makes sense, and seems so obvious now you have
      said it!  Switch from positional to named parameters.  Works
      perfectly.<br>
    </p>
    <p><br>
    </p>
    <font face="Verdana, Helvetica, Sans-Serif" color="#000000">Kind
      regards,<br>
      <br>
      Adrian Fretwell<br>
      <br>
      Sibthorpe<br>
      Nottinghamshire<br>
    </font>
    <p><font face="Verdana, Helvetica, Sans-Serif" color="#000000">
        UK.<br>
      </font></p>
    <p>On 08/07/2020 15:28, Vlad Patrascu wrote:</p>
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      cite="mid:fe4682c8-d69d-1328-7550-58a11905d760@opensips.org">
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      <p>Hi Adrian,</p>
      <p>In the cases (like 'pua_publish') where there are multiple
        optional parameters that cannot be simply identified by position
        in the array, the 'params' member in the JSON-RPC request should
        be an Object with named parameters.</p>
      <p>As such, you should have:<br>
      </p>
      <p>"params": {</p>
      <p>    "presentity_uri": "<a class="moz-txt-link-freetext"
          href="sip:system@192.168.2.132" moz-do-not-send="true">sip:system@192.168.2.132</a>",</p>
      <p>    "expires": 3600,</p>
      <p>    [...]</p>
      <p>}</p>
      <p>Regards,<br>
      </p>
      <div class="moz-cite-prefix">On 06.07.2020 22:47, Adrian Fretwell
        wrote:<br>
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        cite="mid:6072b3ac-038b-43bb-95bb-d9a7745b4a67@topgreen.co.uk">
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        <p>Hello,</p>
        <p>What is the correct way to specify empty parameters in an MI
          call using JSON?</p>
        <p>For example this call to pua_publish has two unused
          parameters; ETag and extra_headers, in the old way they were
          represented by a dot, but if I try that now I get an invalid
          etag message:</p>
        <p>Pua_publish:</p>
        <p><presentity_uri> <br>
           <expires><br>
           <event package><br>
           <content_type>       - body type if body of a type
          different from default event content-type or . <br>
           <ETag>                    - ETag that publish should
          match or . if no ETag<br>
           <extra_headers>    - extra headers to be added to the
          request or .<br>
           <publish_body>      - may not be present in case of
          update for expire</p>
        <p>Example:</p>
        <p>:pua_publish:fifo_reply<br>
          <a class="moz-txt-link-freetext"
            href="sip:system@192.168.2.132" moz-do-not-send="true">sip:system@192.168.2.132</a><br>
          3600<br>
          presence<br>
          application/pidf+xml<br>
          .<br>
          .<br>
          <?xml version='1.0'?><presence
          xmlns='urn:ietf:params:xml:ns:pidf'
          xmlns:dm='urn:ietf:params:xml:ns:pidf:data-model'... etc.<br>
        </p>
        <p>Would someone point me in the right direction please.<br>
        </p>
        <div class="moz-signature"> <br>
        </div>
        <font face="Verdana, Helvetica, Sans-Serif" color="#000000">Kind
          regards,<br>
          <br>
          Adrian Fretwell<br>
          Sibthorpe<br>
          Nottinghamshire<br>
          UK.<br>
          <br>
        </font><small><small><small> </small></small></small> <br>
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      <pre class="moz-signature" cols="72">-- 
Vlad Patrascu
OpenSIPS Developer
<a class="moz-txt-link-freetext" href="http://www.opensips-solutions.com" moz-do-not-send="true">http://www.opensips-solutions.com</a></pre>
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