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No. Gsm networks i.e. AT&T have that ability. Basically Rev. A only improves throughput.
"-- up to 3.1 Mbps peak down and 1.8 Mbps up -- and Sprint says it will roll the service out by the end of the year, with its entire EV-DO network running the new technology by Q3 2007"
That was taken from an article online. So no, no simultaneous voice and data through cell line.
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