Then "unrestricted digital" is still a voice channel? I'm completely clueless as to how this works on the ISDN side of things, I'm just assuming that any codec would work, because else the "unrestricted-digital-codec" option wouldn't make sense. :) I assumed it was a data connection, because some of the hardware boxes offer 2-channel bonding on BRIs (an option, we're also exploring with FreeTDM) and the only way to do this I know of is through a data connection. On 05.01.2015 15:06, Michael Jerris 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@virtues.net <mailto:auge@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@virtues.net <mailto:auge@virtues.net><mailto:auge@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@virtues.net <mailto:auge@virtues.net><mailto:auge@virtues.net> <mailto:auge@virtues.net<mailto:auge@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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