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Recently, the Third Generation Partnership Project 2 (3GPP2) and Telecommunications Industry Association (TIA) have approved and published cdma2000 1×EV-DV (data and voice) specifications as an evolution of cdma2000 family of standards. Meanwhile, the cdma2000 1×EV-DV specifications have also been submitted to ITU for normal approval as an IMT-2000 3G global standard. The technology will provide integrated voice with simultaneous high-speed packet data services including non-real-time as well as near-real-time applications at peak data rate higher than 3 Mbps. It also provides backward compatibility with cdma2000 1xRTT system. This study provides a technical overview and discusses key technology elements adopted to increase system capabilities. In addition, the protocol and control scheme of cdma2000 1×EV-DV packet data channel will be described.