Originally Posted by
stimpy
Actually HD codecs are much higher in quality and consume more bandwidth,
And how many of those are used by consumer VoIP systems?? There are always going to be higher bandwidth codecs available, but they aren't the ones in use.
Originally Posted by
stimpy
and there are many tighter compression schemes that use 8 and even 4Kbps (plus IP headers)
Again, how many are in commercial use? And the G.729a codec is only 8.9Kbit, I believe, plus the overhead for the headers.