Patent ID: 6400944
Filing Date: 2002-06-04
Classification: H04B

Abstract:
A home location register for handling an incoming call to an optimized mobile station within a satellite network, said satellite network having a satellite covering a satellite coverage area, said satellite coverage area having a plurality of mobile switching centers therein, each of said mobile switching centers serving a specific mobile switching center area covering only a portion of said satellite area, said home location register comprising:a memory for storing an optimization indication associated with said optimized mobile station, said optimization indication indicating that said mobile station is registered with an optimal mobile switching center for an optimized call when said optimization indication is set, said optimized mobile station being located within said satellite coverage area, but outside of said mobile switching center area served by said optimal mobile switching center, said memory further storing an unavailable indication associated with said optimized mobile station, said unavailable indication being set when said optimization indication is set; means for receiving a routing request associated with said incoming call; and means for selectively providing either routing information in response to said routing request or an unavailable message when said unavailable indication is set.