Wu Wenfu

Mobile communication paging method, system and device

Default access point name selection method and device

Method, network system and destination network for transmitting QoS upon system switching

Communication service switching method, network system and interworking function entity

Method for establishing and erasuring resource as well as network appliance

Terminal access method, network equipment and communication system

Business switching method, business information control method, related apparatus and system

Method for implementing bearing re-establishing, and related device

A method for using ip address of the roaming user and a user terminal thereof

WLAN Access Method and Apparatus