<p>Fun fact...</p>
<p>Guess who Digium paid to hash out the skeleton for that ooh323 mod....??</p>
<p>;)</p>
<div class="gmail_quote">On Feb 15, 2013 7:01 PM, "Steven Ayre" <<a href="mailto:steveayre@gmail.com">steveayre@gmail.com</a>> wrote:<br type="attribution"><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
<div dir="auto"><div>mod_opal and mod_h323 are based on the opal and h323plus libraries. Both are forks of the open323 library (which is discontinued). h323plus aims to remain API compatible with open323, while it seems opal aims to become a more generic telecoms library with support for SIP IAX etc too.</div>
<div><br></div><div>ooh323c is a completely separate library with no shared code.</div><div><br></div><div>mod_h323 and mod_opal both seem to have stability problems. Partly that seems to come from the heavy dependance of the libraries on specific matching versions of ptlib, partly that seems to be the libraries themselves. Both Asterisk and YATE appear to have stability problems using h323plus/openh323. Anecdotally the ooh323c Asterisk module is more stable...</div>
<div><br></div><div>I'd need to look into it further, but the ooh323c library implements H323 and leaves RTP/codecs to the app. h323plus/opal implement them themselves (overridable I imagine). That means adding support to ooh323c may end up being easier, in theory. But that's a guess without researching it...</div>
<div><br></div><div>Steve</div><div><br></div><div><br></div><div><br>On 15 Feb 2013, at 23:36, Seven Du <<a href="mailto:dujinfang@gmail.com" target="_blank">dujinfang@gmail.com</a>> wrote:<br><br></div><blockquote type="cite">
<div>
<div>
So we basically have 3 options, Opal, h323 and ooh323c, what's the difference among them?
</div>
<div><div><br></div><div>Also, I'm aware that video is not supported in the current mod_opal and mod_h323, is it possible(or how hard) to add video support? Or does ooh323c easy to support video?</div>
<div><br></div><div>We'd like to contribute a little money to speed it up if it can support video and some want to work on it.</div><div><br></div><div>-- </div><div>Seven Du</div><div><span style="font-size:10pt"><a href="http://www.freeswitch.org.cn" target="_blank">http://www.freeswitch.org.cn</a></span></div>
<div><a href="http://about.me/dujinfang" target="_blank">http://about.me/dujinfang</a></div><div><div><a href="http://www.dujinfang.com" target="_blank">http://www.dujinfang.com</a></div></div><div><br></div><div>Sent with <a href="http://www.sparrowmailapp.com/?sig" target="_blank">Sparrow</a></div>
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<p style="color:#a0a0a8">On Friday, February 15, 2013 at 11:37 PM, Steven Ayre wrote:</p>
<blockquote type="cite" style="border-left-style:solid;border-width:1px;margin-left:0px;padding-left:10px">
<span><div><div>There's a module for Asterisk but none for FS I'm aware of yet - I'm only wondering about the feasibility of writing one.<div><br></div><div>-Steve</div><div><br></div><div>
<br><br><div>On 15 February 2013 14:48, Brian West <span dir="ltr"><<a href="mailto:brian@freeswitch.org" target="_blank">brian@freeswitch.org</a>></span> wrote:<br><blockquote type="cite"><div>So I have the impression you or someone has an ooh323 module and hasn't contributed it back to the project yet?<br>
<div>--<br>
Brian West<br>
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On Feb 15, 2013, at 3:49 AM, Steven Ayre <<a href="mailto:steveayre@gmail.com" target="_blank">steveayre@gmail.com</a>> wrote:<br>
<br>
</div><div>> Hi Brian,<br>
><br>
> The issue would be that Asterisk's modifications are on a version predating the FLOSS exemption and their project is GPL - so presumably their modifications are all GPL-only?<br>
><br>
> -Steve<br>
><br>
><br>
><br>
> On 15 February 2013 00:40, Brian West <<a href="mailto:brian@freeswitch.org" target="_blank">brian@freeswitch.org</a>> wrote:<br>
> If someone wanted to build ooh323 module for FreeSWITCH we do have permission to do so using the lib.<br>
><br>
> /b<br>
><br>
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