Patent ID: 6775546
Filing Date: 2004-08-10
Classification: H04W

Abstract:
A mobile telephone network operating system for controlling the operation of a mobile telephone network having a plurality of mobile handsets and a plurality of base stations for serving the mobile handsets, the operating system comprising:means for identifying the base station currently serving a mobile handset, and means for selectively routing incoming calls to the mobile handset or to another destination according to the location of the handset, wherein a plurality of handsets are associated with a single directory number, and a corresponding set of one or more radio base stations is associated with the directory number, and routing means for selectively routing call attempts to the directory number to one or more of said plurality of handsets currently being served by the one or more radio base stations in said set in preference over any other handset also associated to said single directory number but not being currently served by the one or more radio base stations in said set.