Presence information delivery apparatus and method for mobile communication network

摘要

A presence information delivery apparatus and method for use in a mobile communication network using a short message service (SMS) is provided. An information transmission method for a mobile handset includes generating presence information file; generating a presence information message containing the presence information file; and transmitting the presence information message to at least one member of a predetermined user group using a short message service. The presence information delivery apparatus and method of the present invention are advantageous since the members without engagement of an additional presence server can share the presence information of members of a specific group.