Patent ID: 9191817
Filing Date: 2015-11-17
Classification: H04L,H04W

Abstract:
1. A method of operating a wireless communication device comprising security circuitry that stores one or more security keys, wherein each of the one or more of the security keys correspond to a different identification number for a different wireless communication network, processing circuitry that executes applications, and at least one communication transceiver to communicate over a plurality of wireless communication networks, the method comprising: in the processing circuitry, receiving a user request in an application for a voice call over a wireless communication network; in the security circuitry, processing at least the request and a security key associated with the wireless communication network to authorize an identification number for the voice call over the wireless communication network, wherein the security key corresponds to the identification number for the voice call over the wireless communication network, and indicating the identification number to the application; and in the communication transceiver, responsive to the application initiating the voice call using the identification number, exchanging communications of the voice call over the wireless communication network.