Patent ID: 6512930
Filing Date: 2003-01-28
Classification: H04L,H04M,H04W

Abstract:
A method of notifying a first user of a mobile communication device about status of other users in a mobile communications system, the method comprising the steps of:sending a signal from the mobile communication device to a service node in the mobile communications system; at the service node, in response to receipt of the signal, determining a list of other users that the first user wants to know the status of; at the service node, determining the status of each of the other users on the list; transmitting the status of each of the other users from the service node to the mobile communication device, wherein the status of each of the other users includes an indication of whether the user is on-line or off-line to the mobile communications system, wherein the step of sending the signal from the mobile communication device to the service node in the mobile communications system is performed in response to the mobile communication device being powered on, and wherein the signal includes an indication that the mobile communication device has been powered on; and further comprising the steps of: at the service node, determining other lists in which the first user is listed; for each of the other lists, determining a corresponding other user; and sending a notification to each of the corresponding other users indicating that the first user has gone on-line.