Operators can make full use of their existing network and operation and maintenance experience, and access to the wireless switch in those remote rural areas with poor geographical conditions, decentralized living, and traffic congestion; and access to the wireless switch in suburban areas; small-sized enterprises and institutions, completely avoiding fiber Problems such as high construction costs, long construction period, and difficulty in construction and maintenance existing in existing methods such as microwaves and microwaves not only win time span, but also can be used twice or more for the wireless switch equipment. At the same time can also be combined with the CDMA data platform number one dual function, to win and bind mobile phone users. The use of CDMA wireless switch access mode is currently the best solution for wireless operators to invest less and fast to occupy the voice market.