Patent ID: 9077785
Filing Date: 2015-07-07
Classification: H04L,H04M,H04W

Abstract:
1. A method for selecting a network for originating voice call on a voice over IP (VoIP)-capable mobile device, comprising: receiving an input to initiate a voice call to a target mobile device; determining on the VoIP-capable mobile device whether the target mobile device is capable of receiving a voice call on a VoIP network based on whether a user profile for the target mobile device is registered with an application server associated with the VoIP network; determining on the VoIP-capable mobile device whether the target mobile device is available to communicate on the VoIP network in response to determining that the target mobile device is capable of receiving a voice call on the VoIP network; and initiating the voice call on a circuit switched (CS) network in response to determining that the target mobile device is not available to communicate on the VoIP network.