Patent ID: 8792888

Claim:
A method to manage radio resources between a mobile wireless device and a first wireless network, the method comprising the mobile wireless device: when the mobile wireless device is associated with the first wireless network through an established radio resource control connection and is simultaneously registered with a second wireless network, transmitting a radio resource suspension trigger to the first wireless network, while maintaining the established radio resource control connection; after transmitting the radio resource suspension trigger to the first wireless network, tuning one or more receivers in the mobile wireless device to listen for paging messages from the second wireless network during a paging interval; when receiving a paging message that includes a page addressed to the mobile wireless device from the second wireless network, establishing a connection with the second wireless network; and when receiving no paging message from the second wireless network and when receiving a paging message that does not include a page addressed to the mobile wireless device from the second wireless network, tuning the one or more receivers in the mobile wireless device back to the first wireless network and subsequently transmitting a signaling message to the first wireless network through the established radio resource control connection.