CDMA2000 1xEV-DO Rev A
CDMA2000 1xEV-DO Rev A is a third-generation (3G) broadband wireless packet data technology that will provide the foundation for next-generation, IP-based, broadband wireless voice and data networks. EV-DO Rev A extends the capabilities of EV-DO networks by increasing connection speeds to 3.1 Mbps and providing the technology to support real-time voice, video and multimedia applications.
So in theory it could do Voice and Data, but I don't think Sprint has it setup that way. EV-DV was scrapped a while ago in favor of further evdo revisions.
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