BASE STATION DEVICE, GATEWAY DEVICE, CALL CONNECTION METHOD AND WIRELESS COMMUNICATION SYSTEM Russian patent published in 2013 - IPC H04W68/00 

FIELD: radio engineering, communication.

SUBSTANCE: traffic offloading apparatus has a paging unit configured to page user equipment (UE) in idle mode for downlink offload traffic arriving at the traffic offloading apparatus for the UE; a receiving unit configured to receive a service request from the UE as a paging response; a modifying unit configured to modify the service type in the service request to indicate an UE-initiated service request; and a sending unit configured to send the modified service request to a serving GPRS support node (SGSN).

EFFECT: successful call connection without reducing security level in a mobile communication network.

5 cl, 17 dwg