Patent ID: 7809381
Filing Date: 2010-10-05
Classification: H04M,H04W

Abstract:
1. A method of internetwork signaling comprising: determining a presence of a first mobile device proximal in location to a first user-specific location-based group of devices, the first mobile device being both operable in and registered in a cellular radio network with a first service provider; registering the first mobile device in a wireless data network with a second service provider; and notifying the first mobile device and at least one of the first user-specific location-based group of devices of a call to the first mobile device while the first mobile device remains both registered in the wireless data network and proximal in location to the first user-specific location-based group of devices; wherein determining the presence of the first mobile device proximal in location to the first user-specific location-based group of devices is based at least in part on information provided when registering the first mobile device in the wireless data network.