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Without this patch, OpenSIPS will only reuse connections targetted at the IP / ports in the Via, which correspond to the actual currently active connection. But most of the time, the proxy will not use those IP/ports when communicating with the UA. It will instead use the registered IP/ports. We should automatically reuse the active connection for all communications with those IP/ports instead of creating new connections, especially in 1.8 where it is a blocking operation.

If the connection can not be reused, then OpenSIPS will create a new one.
You can view, comment on, or merge this pull request online at:

  https://github.com/OpenSIPS/opensips/pull/446

-- Commit Summary --

  * Registrar: Add contact-based aliasing when the remote UA supports it.

-- File Changes --

    M modules/registrar/save.c (13)

-- Patch Links --

https://github.com/OpenSIPS/opensips/pull/446.patch
https://github.com/OpenSIPS/opensips/pull/446.diff

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Reply to this email directly or view it on GitHub:
https://github.com/OpenSIPS/opensips/pull/446

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<p>If an endpoint supporting TCP connection reuse registers to OpenSIPS, we<br>
now create TCP connections aliases for all IP/ports announced by the UA.</p>

<p>From my point of view, it is more a fix than a new feature.</p>

<p>Without this patch, OpenSIPS will only reuse connections targetted at the IP / ports in the Via, which correspond to the actual currently active connection. But most of the time, the proxy will not use those IP/ports when communicating with the UA. It will instead use the registered IP/ports. We should automatically reuse the active connection for all communications with those IP/ports instead of creating new connections, especially in 1.8 where it is a blocking operation.</p>

<p>If the connection can not be reused, then OpenSIPS will create a new one.</p>

<hr>

<h4>You can view, comment on, or merge this pull request online at:</h4>
<p>&nbsp;&nbsp;<a href='https://github.com/OpenSIPS/opensips/pull/446'>https://github.com/OpenSIPS/opensips/pull/446</a></p>

<h4>Commit Summary</h4>
<ul>
  <li>Registrar: Add contact-based aliasing when the remote UA supports it.</li>
</ul>

<h4>File Changes</h4>
<ul>
  <li>
    <strong>M</strong>
    <a href="https://github.com/OpenSIPS/opensips/pull/446/files#diff-0">modules/registrar/save.c</a>
    (13)
  </li>
</ul>

<h4>Patch Links:</h4>
<ul>
  <li><a href='https://github.com/OpenSIPS/opensips/pull/446.patch'>https://github.com/OpenSIPS/opensips/pull/446.patch</a></li>
  <li><a href='https://github.com/OpenSIPS/opensips/pull/446.diff'>https://github.com/OpenSIPS/opensips/pull/446.diff</a></li>
</ul>

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