Patent ID: 7921158
Filing Date: 2011-04-05
Classification: H04L

Abstract:
1. A method for conferencing in an IP Multimedia Subsystem (IMS) environment comprising: establishing a conference group with a list management server, wherein the conference group includes a plurality of attributes, said attributes including a session identifier and an owner start attribute; a plurality of conference participants subscribing to the session identifier, wherein one of the conference participants is a conference session owner, the conference session owner subscribing to the owner start attribute; the owner start attribute automatically triggering an event at approximately a time that the conferencing session is to start; the list management server conveying a notification to the conference session owner in response to the triggering; responsive to notifying the conference session owner, invoking a conference application to initiate a conferencing session, which has an associated conferencing session identifier; the conference application changing a value of the session identifier to the conferencing session identifier; and responsive to the changing step, the list management server automatically conveying a notification of the change that includes the conferencing session identifier to the subscribed conference participants, wherein said conference participants are able to join in the conferencing session by responding to a received notification.