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Re: Clearwire May Block VoIP Competitors

  • From: Stephen J. Wilcox
  • Date: Wed Mar 30 18:41:24 2005

On 30 Mar 2005, Paul Vixie wrote:

> 
> the bigger issue with 802.11 and VoIP is that wireless ethernet tends to be
> half duplex whereas codecs tend to run both directions at once.  who's getting
> good service over 802.11 using G.711 or G.729?  (no fair if your wireless
> handset has its own proprietary halfdup codec, i'm talking real SIP here.)

hmm running g711 on a wifi handset or a lan phone with wifi bridging in the 
middle results in decent quality.

at 2x80kbps vs 11mbps or 54mbps there should be plenty room for both directions 
to communicate without too much delay

Steve





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