The operational characteristics and current techniques determine the service supply methods of CRBT

that is

we build the CRBT business by introducing to the color ring service platform on the network. While using the method of playing color ring by mobile switch center

we don’t need another call which point to color ring service platform.Furthermore

we don’t need establish color ring service platform in mobile communication network.This method not only saves costs of system construction but also enhances the effi ciency of mobile communication network by reducing one call which point to color ring service platform from subsequent call.