Method for operating a multimedia communications network

Details Method for operating a multimedia communications network Method for operating a multimedia communications network

2007-05-22

2007-05-22

Woo, Stella (Department: 2614)

Television

Two-way video and voice communication

C370S395210

Reexamination Certificate

active

10055019

ABSTRACT:
In order to operate a multimedia communications network having at least two endpoints and at least one registration unit, a more simple identification of the media connection for the purpose of bandwidth reservation and service quality assurance in the transport network is achieved in that, after the arrival or authorization of a call, a call status request message is transmitted by the registration unit to the endpoints respectively involved in the call, which call status request message includes a request to the endpoints to report, in a call status acknowledge message, the properties of a media and/or data connection which is set up between the endpoints in connection with the call.

REFERENCES:
patent: 7023839 (2006-04-01), Shaffer et al.
ITU-T Recommendation H.323, Series H: Audiovisual and Multimedia Systems, Infrastructure of audiovisual services—Systems and terminal equipment for audiovisual servoces, “Packet-Based Multimedia Communications Systems”, c. Feb. 1998.
Roy “Application Layer QOS Signaling Architecture and Protocol: H.323 Application Specific and Generic Value Added Services” ITU-Telecommunication Standardization Sector, Nov. 2000, pp. 1-16.
Buckley “End to End QOS Control and Signalling in H.323 Systems” ITU-Telecommunication Standardization Sector, Feb. 2000, pp. 1-56.
Schulzrinne et al. “RTP: A Transport Protocol for Real-Time Applications” Network Working Group Request for Comments: Jan. 1996, pp. 1-38.
Clark et al. “Providing Scalable Web Services Using Multicast Communication” Computer Network and ISDN Systems 29 (1997), pp. 841-858.

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