Packet mode multimedia conferencing services over an ISDN wide a
Participant-controlled conference calling system
Predictive reservation of a communication link for a...
Primary transmission site switching in a multipoint videoconfere
Private branch exchange system and methods for operating same
Private digital communication apparatus for interconnecting...
Process and system for video rate control in a multipoint video
Programmable distributed digital switch system
Providing conference data in a network communications system...
Providing conference data in a network communications system...
Providing conferencing data in a network communications...
Providing conferencing data in a network communications...
Providing conferencing data in a network communications...
Providing multimedia conferencing services over a wide area netw
Providing multimedia conferencing services over a wide area...
Push-to-talk and push-to-conference in a CDMA wireless...
Push-to-talk wireless telecommunications system utilizing a...