<div dir="ltr">That looks like just the encoder, so we would need both the encoder and decoder that takes signed linear. I'll be on the look out for an option too.</div><div class="gmail_extra"><br><div class="gmail_quote">On Fri, Jan 2, 2015 at 4:54 PM, Thomas Auge <span dir="ltr"><<a href="mailto:auge@virtues.net" target="_blank">auge@virtues.net</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><span class="">> G722 can be a native bearer capability on an ISDN b-channel but thats not widely used. MP2 in your case is just<br>
> establishing a data channel be it via ISDN or IP.<br>
<br>
</span>Yup. I'm fairly certain that's what FreeTDM does for G722, else it wouldn't make much sense to have a codec<br>
configuration option. :)<br>
<span class=""><br>
<br>
> Before proceeding I would seek out a license compatible encoder/decoder library that can be used, MP2 can mean so many<br>
> things their are multiple levels, options and details required to properly implement it. I highly suspect its not an<br>
> afternoon event, I could be wrong if the right library is found thats license compatible.<br>
<br>
</span>There are a couple, T(w/o)oLame comes to mind. (<a href="http://www.twolame.org/" target="_blank">http://www.twolame.org/</a> LGPL licensed) Any pointers as to which<br>
capabilities are needed in such a library? It seems the libraries are as outdated as the codec. :)<br>
<span class=""><br>
<br>
<br>
> On Fri, Jan 2, 2015 at 4:20 PM, Thomas Auge <<a href="mailto:auge@virtues.net">auge@virtues.net</a> <mailto:<a href="mailto:auge@virtues.net">auge@virtues.net</a>>> wrote:<br>
><br>
> There are ISDN devices which establish a digital (data) ISDN connection and then use all kinds of codecs on top of that.<br>
> Think FreeTDM with G722 - same thing. As far as I know FreeTDM doesn't care which codec you choose for a digital<br>
> connection. G722 is just the most common use case.<br>
><br>
> MP2 is still a widely used standard in broadcast, i.e. for remote contributions.<br>
><br>
> On 02.01.2015 19:08, Brian West wrote:<br>
> > I'm still puzzled as to why mp2, since ISDN is native PCM (ulaw/alaw), Do you have some legacy files or systems you're<br>
> > working with that require this? Trying to fully understand your thought process and needs.<br>
> ><br>
</span><span class="">> > On Fri, Jan 2, 2015 at 4:04 PM, Thomas Auge <<a href="mailto:auge@virtues.net">auge@virtues.net</a> <mailto:<a href="mailto:auge@virtues.net">auge@virtues.net</a>> <mailto:<a href="mailto:auge@virtues.net">auge@virtues.net</a> <mailto:<a href="mailto:auge@virtues.net">auge@virtues.net</a>>>> wrote:<br>
> ><br>
> > Digital ISDN calls, so I think as far as freeswitch is concerned, voice calls, yes.<br>
> ><br>
> ><br>
> > On 02.01.2015 18:52, Brian West wrote:<br>
> > > In what context? playing sound files, voice calls what?<br>
> > ><br>
> > > On Fri, Jan 2, 2015 at 3:49 PM, Thomas Auge <<a href="mailto:auge@virtues.net">auge@virtues.net</a> <mailto:<a href="mailto:auge@virtues.net">auge@virtues.net</a>> <mailto:<a href="mailto:auge@virtues.net">auge@virtues.net</a> <mailto:<a href="mailto:auge@virtues.net">auge@virtues.net</a>>><br>
</span><span class="">> <mailto:<a href="mailto:auge@virtues.net">auge@virtues.net</a> <mailto:<a href="mailto:auge@virtues.net">auge@virtues.net</a>> <mailto:<a href="mailto:auge@virtues.net">auge@virtues.net</a> <mailto:<a href="mailto:auge@virtues.net">auge@virtues.net</a>>>>> wrote:<br>
> > ><br>
> > > Hello list,<br>
> > ><br>
> > > would it be a big task to add mp2 (transcoding) to freeswitch? What would be a realistic bounty for it?<br>
> > ><br>
> > > Cheers!<br>
> > ><br>
> > > Thomas<br>
> > ><br>
> > > _________________________________________________________________________<br>
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> > ><br>
> > ><br>
> > ><br>
> > ><br>
> > > --<br>
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> > > */Brian West/*<br>
> > > <a href="mailto:brian@freeswitch.org">brian@freeswitch.org</a> <mailto:<a href="mailto:brian@freeswitch.org">brian@freeswitch.org</a>> <mailto:<a href="mailto:brian@freeswitch.org">brian@freeswitch.org</a><br>
</span>> <mailto:<a href="mailto:brian@freeswitch.org">brian@freeswitch.org</a>>> <mailto:<a href="mailto:brian@freeswitch.org">brian@freeswitch.org</a> <mailto:<a href="mailto:brian@freeswitch.org">brian@freeswitch.org</a>><br>
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> > ><br>
> > ><br>
> > > */Twitter: @FreeSWITCH , @briankwest/*<br>
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> > ><br>
> > ><br>
> > ><br>
> > > _________________________________________________________________________<br>
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> > ><br>
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> > _________________________________________________________________________<br>
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> <mailto:<a href="mailto:consulting@freeswitch.org">consulting@freeswitch.org</a>>><br>
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> ><br>
> > Official FreeSWITCH Sites<br>
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> ><br>
> ><br>
> ><br>
> ><br>
> > --<br>
> ><br>
> > */Brian West/*<br>
> > <a href="mailto:brian@freeswitch.org">brian@freeswitch.org</a> <mailto:<a href="mailto:brian@freeswitch.org">brian@freeswitch.org</a>> <mailto:<a href="mailto:brian@freeswitch.org">brian@freeswitch.org</a> <mailto:<a href="mailto:brian@freeswitch.org">brian@freeswitch.org</a>>><br>
> ><br>
> ><br>
> > */Twitter: @FreeSWITCH , @briankwest/*<br>
> > <a href="http://www.freeswitchbook.com" target="_blank">http://www.freeswitchbook.com</a><br>
> > <a href="http://www.freeswitchcookbook.com" target="_blank">http://www.freeswitchcookbook.com</a><br>
> ><br>
> > *T:*<a href="tel:%2B19184209001" value="+19184209001">+19184209001</a> <tel:%2B19184209001> | *F:*<a href="tel:%2B19184209002" value="+19184209002">+19184209002</a> <tel:%2B19184209002> | *M:*+1918424WEST (9378)<br>
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> ><br>
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> > _________________________________________________________________________<br>
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> ><br>
><br>
><br>
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><br>
><br>
><br>
><br>
> --<br>
><br>
> */Brian West/*<br>
> <a href="mailto:brian@freeswitch.org">brian@freeswitch.org</a> <mailto:<a href="mailto:brian@freeswitch.org">brian@freeswitch.org</a>><br>
><br>
><br>
> */Twitter: @FreeSWITCH , @briankwest/*<br>
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><br>
><br>
><br>
> _________________________________________________________________________<br>
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</div></div></blockquote></div><br><br clear="all"><div><br></div>-- <br><div class="gmail_signature"><div dir="ltr">
<p><font face="courier new, monospace"><b><i><font size="4">Brian West</font></i></b><br><span style="font-size:x-small"><a href="mailto:brian@freeswitch.org" target="_blank">brian@freeswitch.org</a></span></font></p>
<p><font size="1" face="courier new, monospace"><img src="http://billing.freeswitch.org/templates/default/img/whmcslogo.png"><br></font></p><p><font face="courier new, monospace"><b><i>Twitter: @FreeSWITCH , @briankwest</i></b><br><a href="http://www.freeswitchbook.com" target="_blank">http://www.freeswitchbook.com</a><br><a href="http://www.freeswitchcookbook.com" target="_blank">http://www.freeswitchcookbook.com</a></font></p>
<p><font face="courier new, monospace"><b>T:</b>+19184209001 | <b>F:</b>+19184209002 | <b>M:</b>+1918424WEST (9378)<br><b>iNUM:</b>+883 5100 1420 9001 | <b>ISN:</b>410*543 | <b>Skype:</b>briankwest</font></p></div></div>
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