[Asterisk-Users] IAX2 Trunking

Steven Critchfield critch at basesys.com
Mon Mar 17 12:03:12 MST 2003


On Mon, 2003-03-17 at 11:00, John Harragin wrote:
> >I think it's only being tested with GSM right now, but I'm not aware of
> any reason why you couldn't use another codec.  Maybe Mark can enlighten
> us with some details?!? (Thanks Mark for implementing this!  I know I'll
> use it a LOT!)
> 
> This brings up another question. As long as T1s have been around, it seems
> obvious that there should be codecs especially for this purpose. Does anyone
> know if this is the case?

I've seen at least 1 channel bank that supported adpcm as the audio
format. I think they supported down to 8kbit rates, but this would
probably keep you from doing anything with a modem or fax on the end of
the line.

-- 
Steven Critchfield  <critch at basesys.com>




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