系统容量 ：在保证通信质量的前提下，功率控制算法能够支持的用户数量和数据传输速率。The voice component can either be sent as Voice over World-wide-web Protocol (VoIP) or on the separate fallback copyright committed to voice-only, i.e. CDMA2000 1 x provider. EVDO would not provide integrated voice and only focus