Patent ID: 6847618
Filing Date: 2005-01-25
Classification: H04L,H04M,H04Q

Abstract:
1. A method for processing audio in a conference call among participants, comprising: initiating the conference call among the participants; storing conference identifier information (CID) and network address information associated with each participant in the initiated conference call; (a) generating a fully mixed audio stream of packets, each packet having a packet header and payload; (b) generating a set of partially mixed audio streams of packets, each packet having a packet header and payload; (c) multicasting each packet in the fully mixed audio stream and the set of partially mixed audio streams; (d) determining which multicasted packets to forward based on packet header information in the respective packets; and assigning switched virtual circuits (SVCs) to respective participants in the conference call; wherein said storing step further includes storing said CID and network address information such that said CID and network address information for each participant can be retrieved based on a respective assigned SVC.