[Freeswitch-users] MP2

[Michael Jerris]

To understand this a little better.  Is MP2 over data channel a standard that needs to be interoperated with?  Is there details how this is signalled to the other side or are both sides just configured to support it?

> On Jan 5, 2015, at 1:06 PM, Michael Jerris <mike at jerris.com> wrote:
> 
> When g722 is used over isdn, it is a voice channel marked as g722, NOT a data channel with voice codec data.
> 
>> On Jan 2, 2015, at 5:20 PM, Thomas Auge <auge at virtues.net <mailto:auge at virtues.net>> wrote:
>> 
>> There are ISDN devices which establish a digital (data) ISDN connection and then use all kinds of codecs on top of that. 
>> Think FreeTDM with G722 - same thing. As far as I know FreeTDM doesn't care which codec you choose for a digital 
>> connection. G722 is just the most common use case.
>> 
>> MP2 is still a widely used standard in broadcast, i.e. for remote contributions.
>> 
>> On 02.01.2015 19:08, Brian West wrote:
>>> 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
>>> working with that require this?  Trying to fully understand your thought process and needs.
>>> 
>>> On Fri, Jan 2, 2015 at 4:04 PM, Thomas Auge <auge at virtues.net <mailto:auge at virtues.net> <mailto:auge at virtues.net <mailto:auge at virtues.net>>> wrote:
>>> 
>>>    Digital ISDN calls, so I think as far as freeswitch is concerned, voice calls, yes.
>>> 
>>> 
>>>    On 02.01.2015 18:52, Brian West wrote:
>>>> In what context?  playing sound files, voice calls what?
>>>> 
>>>> On Fri, Jan 2, 2015 at 3:49 PM, Thomas Auge <auge at virtues.net <mailto:auge at virtues.net> <mailto:auge at virtues.net <mailto:auge at virtues.net>> <mailto:auge at virtues.net <mailto:auge at virtues.net><mailto:auge at virtues.net <mailto:auge at virtues.net>>>> wrote:
>>>> 
>>>>    Hello list,
>>>> 
>>>>    would it be a big task to add mp2 (transcoding) to freeswitch? What would be a realistic bounty for it?
>>>> 
>>>>    Cheers!
>>>> 
>>>>    Thomas
> 

-------------- next part --------------
An HTML attachment was scrubbed...
URL: http://lists.freeswitch.org/pipermail/freeswitch-users/attachments/20150105/a234475f/attachment-0001.html