High Definition voice conferencing for each user of the system. Video streaming, multicasting & mixing technologies can be missed to deliver a rich unified communication experience. System functionality can be used to deliver lectures or can be enhanced to support video conference and system will intelligently transmit video of the speaker to all participants with a video-enabled device. Voice recording of conference calls and forwarding the same to a predefined mailbox is a standard feature of this suit. Dynamic conference controls with an option to invite, mute or isolate certain participants. Personal Conference Bridge with personal chat room options provides a versatile conferencing tool. The system provides for auto-escalation from conference chat room to audio conference. A system can be integrated for booking of conference rooms along with solutions to charge for such services. Coral conference suits can integrate IVR solution to announce entry & exit of participants.