Patent ID: 8725107

Claim:
A method for sending an emergency message in a mobile telecommunication network to mobile terminals located in an emergency area, the mobile terminals connected to at least one Visited Mobile Switching center (VMSC), said VMSC comprising a Visited Location register, said method comprising the steps of: storing location information and subscriber identification codes in a database for a plurality of mobile terminals, the location information and subscriber identification codes obtained from Mobile Application Part (MAP) messages sent by the VMSC to a Home Location Register (HLR) or obtained from MAP responses received by the VMSC from the HLR; deleting an entry in the database based on a purge MAP message indicating a switched off state of a corresponding one of the mobile terminals; determining said emergency area; selecting a set of destination terminals out of said database having location information that corresponds to said emergency area; and sending each of said destination terminals said emergency message.