[Freeswitch-users] MP2

[Michael Jerris]

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> 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

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