<h4>Pre-Submission Checklist</h4>



<ul class="contains-task-list">
<li class="task-list-item"><input type="checkbox" id="" disabled="" class="task-list-item-checkbox"> Commit message has the format required by CONTRIBUTING guide</li>
<li class="task-list-item"><input type="checkbox" id="" disabled="" class="task-list-item-checkbox"> Commits are split per component (core, individual modules, libs, utils, ...)</li>
<li class="task-list-item"><input type="checkbox" id="" disabled="" class="task-list-item-checkbox"> Each component has a single commit (if not, squash them into one commit)</li>
<li class="task-list-item"><input type="checkbox" id="" disabled="" class="task-list-item-checkbox"> No commits to README files for modules (changes must be done to docbook files<br>
in <code>doc/</code> subfolder, the README file is autogenerated)</li>
</ul>
<h4>Type Of Change</h4>
<ul class="contains-task-list">
<li class="task-list-item"><input type="checkbox" id="" disabled="" class="task-list-item-checkbox"> Small bug fix (non-breaking change which fixes an issue)</li>
<li class="task-list-item"><input type="checkbox" id="" disabled="" class="task-list-item-checkbox" checked=""> New feature (non-breaking change which adds new functionality)</li>
<li class="task-list-item"><input type="checkbox" id="" disabled="" class="task-list-item-checkbox" checked=""> Breaking change (fix or feature that would change existing functionality)</li>
</ul>
<h4>Checklist:</h4>

<ul class="contains-task-list">
<li class="task-list-item"><input type="checkbox" id="" disabled="" class="task-list-item-checkbox"> PR should be backported to stable branches</li>
<li class="task-list-item"><input type="checkbox" id="" disabled="" class="task-list-item-checkbox" checked=""> Tested changes locally</li>
<li class="task-list-item"><input type="checkbox" id="" disabled="" class="task-list-item-checkbox"> Related to issue #XXXX (replace XXXX with an open issue number)</li>
</ul>
<h4>Description</h4>

<p>This patch set contains a bunch of improvements to the imc module. Most of the changes are backwards-compatible, but some change the semantics of individual imc commands slightly. I have tested the changes with the Zoiper client on Android and with a custom WebRTC client. The motivation behind these changes was to make the imc module a bit more consistent, predictable, and usable.</p>

<hr>

<h4>You can view, comment on, or merge this pull request online at:</h4>
<p>  <a href='https://github.com/kamailio/kamailio/pull/1869'>https://github.com/kamailio/kamailio/pull/1869</a></p>

<h4>Commit Summary</h4>
<ul>
  <li>Rename command "deny" to "reject"</li>
  <li>Minor language fixes</li>
  <li>Rename "exit" to "leave", keep backward compatiblity</li>
  <li>Remove code duplication.</li>
  <li>Collect chat room related strings in one place.</li>
  <li>Use STR_FMT in formatted string arguments.</li>
  <li>Use correct command prefix in the invite message.</li>
  <li>Make behavior of "#join" when room does not exist configurable</li>
  <li>Define message prefix with a macro</li>
  <li>Make behavior of "#create" configurable when room already exists</li>
  <li>Pass both parsed and unparsed URIs to all command handlers</li>
  <li>Consistent handling of command parameters.</li>
  <li>Make #create command arguments optional</li>
  <li>Rename command #list to #members.</li>
  <li>Cleanup in invite related messages.</li>
  <li>Consistent formatting of room/user names.</li>
  <li>Improved #join command handling</li>
  <li>Notify user #leaving a room.</li>
  <li>Make message buffer larger</li>
  <li>A small fix in #join</li>
  <li>Check arguments in #invite</li>
  <li>Implement command #add</li>
  <li>Implement command #rooms</li>
  <li>Add In-Reply-To header to MESSAGEs generated in response</li>
  <li>Add Supported header to all chat room MESSAGEs.</li>
  <li>Report error if room owner sends #leave</li>
</ul>

<h4>File Changes</h4>
<ul>
  <li>
    <strong>M</strong>
    <a href="https://github.com/kamailio/kamailio/pull/1869/files#diff-0">src/modules/imc/README</a>
    (6)
  </li>
  <li>
    <strong>M</strong>
    <a href="https://github.com/kamailio/kamailio/pull/1869/files#diff-1">src/modules/imc/doc/imc_admin.xml</a>
    (62)
  </li>
  <li>
    <strong>M</strong>
    <a href="https://github.com/kamailio/kamailio/pull/1869/files#diff-2">src/modules/imc/imc.c</a>
    (92)
  </li>
  <li>
    <strong>M</strong>
    <a href="https://github.com/kamailio/kamailio/pull/1869/files#diff-3">src/modules/imc/imc.h</a>
    (8)
  </li>
  <li>
    <strong>M</strong>
    <a href="https://github.com/kamailio/kamailio/pull/1869/files#diff-4">src/modules/imc/imc_cmd.c</a>
    (1595)
  </li>
  <li>
    <strong>M</strong>
    <a href="https://github.com/kamailio/kamailio/pull/1869/files#diff-5">src/modules/imc/imc_cmd.h</a>
    (66)
  </li>
  <li>
    <strong>M</strong>
    <a href="https://github.com/kamailio/kamailio/pull/1869/files#diff-6">src/modules/imc/imc_mng.c</a>
    (4)
  </li>
</ul>

<h4>Patch Links:</h4>
<ul>
  <li><a href='https://github.com/kamailio/kamailio/pull/1869.patch'>https://github.com/kamailio/kamailio/pull/1869.patch</a></li>
  <li><a href='https://github.com/kamailio/kamailio/pull/1869.diff'>https://github.com/kamailio/kamailio/pull/1869.diff</a></li>
</ul>

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