EVDO Rev 0 does not have the ability to support simultaneous voice and data.
EVDO Rev A has the ability to support simultaneous voice and data. I believe this is done through VOIP voice streams. I don't think either Sprint or Verizon has this enabled yet. Also, AFAIK the Storm is the only Rev A BlackBerry available.
Verizon will support simultaneous voice and data when they move to LTE and Sprint will do the same when the move to WiMAX as far as I know.
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The difference between stupidity and genius is that genius has its limits.
When you take things for granted, the things you are granted, get taken.
Even a mosquito doesn't get a pat on the back until it starts to work.
Too many people miss the silver lining because they're expecting gold.
[BES 5.0.3 / GroupWise 2012 HP2]
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