Audio-to-video synchronization system and method for...

Audio-video conferencing system

Audio/video-conferencing using content based messaging

Auto-detection of ISDN BRI services

Automated remote provisioning technique

Automatically establishing conferences from desktop...

Bandwidth efficient conferencing system with distributed...

Broadband conference system

Broadcast method for simultaneous switching of an announcement t

Call completion of video telephone/teleconference call as...

Call control in exchange suitable for intelligent network

Call handling in a packet voice network

Call optimization in ad-hoc conference calls

Call optimization in ad-hoc conference calls

Call processing with voice over internet protocol transmission

Call-number based customer identification method for...

Capability management for automatic dialing of video and...

Captioning for tele-conferences

Circuit set-up and caching for multimedia multipoint servers

Client-side echo cancellation for multi-party audio...