Patent ID: 7260409
Filing Date: 2007-08-21
Classification: H04M,H04W

Abstract:
1. A wireless telecommunication network registration method, comprising: receiving a registration notification message including a mobile identification number associated with a roaming subscriber and a first mobile switching center identification associated with a serving mobile switching center; replacing the first mobile switching center identification with a second mobile switching center identification associated with a national location register; sending the registration notification to a home mobile switching center; receiving a registration notification return message, including a third mobile switching center identification associated with the home mobile switching center, an origination indicator and a dialed number; replacing the third mobile switching center identification with the second mobile switching center identification; setting the dialed number to a number associated with a call origination switch; setting the origination indicator to route all call originations to the call origination switch; and sending the registration notification return message to the serving mobile switching center.