PRIORITY CLOSED USER GROUP PROCESSING METHOD IN THE PACKET OPTIONAL USER FUNCTION

摘要

There is provided a processing method of closed users group with preferential right among arbitrary packet users functions. The processing method includes an orginating processing manner and a terminating call manner. In order for subscriber to register at closed user group(CUG), there are provided two methods. One is to register only at one CUG and the other is to register at plural CUGs. On registering at the plural CUGs, subscriber should register at the plural CUGs and whereby a right to request selection and designation of CUG with preferential right is given to the subscriber. When such the selection request is not, data call is connected to a corresponding PCUG. Meanwhile, when the subscriber is not registered, the subscriber is subject to a general data call service not supplementary service function.