Call setup and channel allocation for a multi-media network bus
October 16, 2012. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent ReferencesMethod and apparatus for controlling a conference Distributed switching system Multimedia information exchanging system and equipment therefor Conference speech-channel forming method based on private branch exchange and its conference telephone system Communication system utilizing dynamically slotted information Video conferencing network Multiple call control method in a multimedia conferencing system Communication system network that includes full duplex conference calling Patent #: 5224094 InventorsApplicationNo. 963301 filed on 10/16/1992US Classes:370/261, Technique for setting up a conference call370/452, On ring or loop379/204.01, Subscriber control379/205.01Conferencing initiation by single calling stationExaminersPrimary: Olms, Douglas W.Assistant: Blum, Russell W. Attorney, Agent or FirmForeign Patent References
International ClassH04Q 011/04AbstractA method and system for call set-up and channel resource allocation between a plurality of parties in a multi-media conference call that consists of receiving notice that a Sender (the initiator of the conference) wants to commence a video conference. At that point, the number of channels required by the proposed call is determined. Subsequently, each requested participant is identified as available, busy, or no answer. If the receiver is available and sufficient channels are available, the call is set-up and the present members of the conference are notified of what channel each should transmit on and what channel(s) to listen to for the other participants. As each receiver is added, the Sender may conference with the present Receiver. If it is decided at this point, that the receiver will not participate in the conference, the call to that receiver may be terminated, and the procedure continues for other receivers until the full conference is set up. Individuals may leave the conference at any time. When the final two participants hang up, the video conference is terminated.Other References
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