Patent ID: 6085089
Filing Date: 2000-07-04
Classification: H04B

Abstract:
In a mobile radiotelephone network having at least two mobile stations, at least two base stations, a base station control unit which controls said at least two base stations, and a mobile switching center physically connected to the base station control unit via a transcoding and rate adaption unit, a method for setting up a traffic channel connection between one of said mobile stations as an originating mobile station and another of said mobile stations as a destination mobile station, said method comprising the steps of:from said originating mobile station, signaling a request to said mobile switching center to produce a connection from the originating mobile station to the destination mobile station;using a database at said mobile switching center, determining through which of said at least two base stations said destination mobile station can be reached;in a switching stage, producing a switched connection for setting up the traffic channel connection requested between said originating mobile station and said destination mobile station;placing said switching stage in said transcoding and rate adaption unit; andcausing said transcoding and rate adaption unit to produce said traffic channel connection if said mobile switching center determines that said destination mobile station can be reached by said mobile switching center via a same transcoding and rate adaption unit as said originating mobile station.