Patent ID: 7113781

Claim:
A method for automatically generating and sending a short message service (SMS) message to a subscriber in a mobile communications network in response to a change in location of the subscriber, the method comprising: (a) receiving, at a telecommunications network element, a plurality of mobile call signaling messages; (b) screening, at the telecommunications network element, mobile call signaling messages exchanged between a home location register (HLR) and a visitor location register (VLR) that relate to in location of mobile subscribers; (c) correlating the screened mobile call signaling messages based on at least one parameter in the mobile call signaling messages to identify mobile call signaling messages in a dialogue between the HLR and the VLR that relates to a change in location of a particular mobile subscriber; (d) generating a change in location indication message based on parameters extracted from the correlated mobile call signaling messages; (e) sending the change in location indication message to a short message service center (SMSC); (f) in response to receiving the change in location indication message by SMSC, generating an SMS message intended for the particular mobile subscriber; and (g) sending the SMS message to the mobile subscriber, wherein performing steps (a)–(g) includes performing steps (a)–(g) automatically in response to the change in location of the particular mobile subscriber.