Doyle C,Smith J C.Market structure in mobile telecoms:qualfied indirect access and the receiver pays principle[Z].OFTel Regulation Initiative Discussion Paper Series Number 21,UK,2000.5.

• 实际上；至2005年；话音服务在移动通信市场总收入中所占的比例仍高达81.；7%25；是用户主要使用的服务