Dial lists for computer-based conferencing systems

Dial up telephone conferencing system controlled by an online co

Dial up telephone conferencing system controlled by an...

Dial up telephone conferencing system controlled by an...

Digital cordless telephony system, a radio base station, and a c

Distributed conferencing system utilizing data networks

Distributed teleconferencing system

Dual-channel real-time communication

Dynamic distribution of participants in a centralized...

Dynamic insertion and removal of multi-media call-handling resou

Dynamic media content for collaborators with VOIP support...

Dynamically scaleable conference system

Efficient error response in a video conferencing system

Electronic conference system using presentation data...

Electronic conferencing system capable of communicating data...

Enhanced call service packet data terminal

Establishment of a PSTN and internet multimedia...

Establishment of multicast Push-to-X over Cellular (PoC)...

Floor control in a full-duplex packet-based real-time media...

Floor control language