Patent ID: 6393288
Filing Date: 2002-05-21
Classification: H04W

Abstract:
A method of establishing a call termination to a called mobile station (MS) in a wireless communication network, the network including multiple mobile stations, one or more of which is capable of receiving HomeZone type calls, the mobile stations being locatable within or outside of one or more HomeZones, each mobile station being serviceable at any given time by one of a plurality of network access elements in the network as determined by the location of each mobile station within the network, the method comprising:a) determining if the call termination received by the wireless communication network is a HomeZone type of call; b) if the call termination is a HomeZone type of call, identifying the location of the called MS in the wireless communication network by initiating a radio link between the called MS and the network access element currently serving the called MS; c) while maintaining the initiated radio link, determining if the identified location of the called MS is within one of the called MS's HomeZones, and, if the MS is determined to be within one of its HomeZones, routing the call termination to the network access element currently serving the called MS; and d) establishing, via the maintained radio link, the call termination to the called MS from the network access element currently serving the called MS.