Patent ID: 6785246
Filing Date: 2004-08-31
Classification: H04L,H04M,H04Q

Abstract:
A multi-party conferencing method in a packet-switched radio telecommunications network in which a call-control server has established an on-going two-party call between a first party and a second party, said method comprising the steps of:receiving by the call-control server, a message from the first party, said message including: an indication that a multi-party conference call is desired, and at least one telephone number of a third party to be joined in the multi-party conference call; engaging by the call-control server, a Multipoint Control Unit (MCU) to set up the multi-party conference, said MCU including a Multipoint Controller (MC) for controlling setup of the multi-party conference, and a Multipoint Processor (MP) for mixing and forwarding media payload for the parties; providing by the MC, an Internet Protocol (IP) address of the MP to the first, second, and third parties; negotiating by the MC, media sessions with each of the first, second, and third parties; receiving in the MP, media payload from each of the first, second, and third parties; mixing the media payload in the MP; and forwarding the mixed payload from the MP to each of the first, second, and third parties.