Patent ID: 9094928
Filing Date: 2015-07-28
Classification: H04W

Abstract:
1. A method of managing connections between a mobile wireless device, which includes a single tunable receiver, and a plurality of wireless networks, the method comprising: registering the mobile wireless device with a first wireless network to receive paging messages directly from the first wireless network; simultaneously registering the mobile wireless device with a second wireless network to receive paging messages directly from the second wireless network; receiving an Internet Protocol Multimedia Subsystem (IMS) connection origination message at the mobile wireless device from the first wireless network; in response to receiving the IMS connection origination message, rejecting the IMS connection from the first wireless network by at least sending a message to the first wireless network before connecting the mobile wireless device to the second wireless network; and maintaining simultaneous registration of the mobile wireless device with the first wireless network and the second wireless network.