Patent ID: 6112090
Filing Date: 2000-08-29
Classification: H04M,H04W

Abstract:
In a telecommunications system communicating with a plurality of mobile terminals, a calling party attempting to contact a respective one of said mobile terminals, circuitry within said system for forwarding caller information to said one mobile terminal, said circuitry comprising:a gateway mobile switching center for receiving a message from said calling party, said gateway mobile switching center upon receiving said message from said calling party forwarding a first routing information request to a home location register associated with said system;a mobile switching center associated with said one mobile terminal, said home location register upon receiving said first routing information request forwarding a second routing information request to said mobile switching center, said first and second routing information requests including said caller information therein; andan attached/detached database, within said mobile switching center, said database comprising a plurality of connection status flags associated with a corresponding plurality of said mobile terminals associated with said mobile switching center, said plurality of mobile terminals including said one mobile terminal,whereby, when said connection status flag associated with said one mobile terminal indicates said one mobile terminal is detached from said mobile switching center, said caller information is transmitted to said one mobile terminal.