>>>>> "Kingsly" == Kingsly John <[EMAIL PROTECTED]> writes:
Kingsly> On Wed, 7 Nov 2001, Raju Mathur wrote: |Anyone tried
Kingsly> doing voice over a slow (28.8) dialup? Is it possible,
Kingsly> |and if yes, what encoding should one be using?
Kingsly> The clearest codec that is freely available on linux
Kingsly> suitable for voip would be gsm it needs around 2kB per
Kingsly> channel. (4kb for full duplex) (so at 33.6 it is
Kingsly> *theoretically* possible to do full duplex and you can
Kingsly> have half-duplex with 28.8)
Kingsly> If you use any of the commercial codecs(G.723.1 I
Kingsly> think)... you can do full duplex in a lot less even on a
Kingsly> 14.4k link. (I think MS Netmeeting supports it! :( )
Kingsly> You can get those codecs for linux with the quicknet jack
Kingsly> (www.linuxjack.com) They are built into the hardware.
Kingsly> Some other links...
Kingsly> http://www.openh323.org/
Kingsly> http://www.speakfreely.org/ - cross platform... I use it
Kingsly> quite regularly.
Going to try that out now and give the results to the list.
SpeakFreely appears to have a 26:1 compressing algorithm built in,
will try that too and see how it goes.
Anyone feel up to testing SpeakFreely with the various compression
algorithms?
And thanks for the info and the links.
-- Raju
--
Raju Mathur [EMAIL PROTECTED] http://kandalaya.org/
It is the mind that moves
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