Method and system for accessing multimedia data over public switched telephone network
First Claim
1. A public switched telephone network for providing information from a multimedia information server to any one of a plurality of subscriber premises, comprising:
- a telephone company central office receiving multimedia information signals from a multimedia information server and subscriber orders from a prescribed subscriber, said central office including a gateway for providing routing data in response to subscriber orders and a switch for routing multimedia signals from said server to the prescribed subscriber in accordance with said routing data;
a central office interface including a first multiplexer/demultiplexer unit for audio telephone service signals, subscriber control signals and digital multimedia information signals on, respectively, first, second and third signal channels;
each said subscriber premises including a second multiplexer/demultiplexer unit for transmitting or receiving audio telephone service signals, subscriber control signals and digital multimedia information signals on, respectively, the first, second and third signal channels; and
a plurality of subscriber local loops interconnecting a corresponding subscriber interface and said central office interface;
wherein said subscriber interface includes a decoder for converting an incoming digital multimedia information signal to an analog signal having a video component and wherein said decoder includes a decompressor for decompressing the incoming digital multimedia information signal and producing an analog video signal and associated audio output signals.
3 Assignments
0 Petitions
Accused Products
Abstract
A public switched telephone network for providing information from a multimedia information server to any one of a plurality of subscriber premises, comprises a central office receiving multimedia information signals from a multimedia information server and orders from a prescribed subscriber. The central office includes a gateway system for conveying routing data in response to subscriber orders and a switch for routing multimedia signals from the server to the prescribed subscriber in accordance with the routing data. An interface at the central office transmits and receiver audio telephone service signals, subscriber control signals and digital multimedia information signals on first, second and third signal channels. Each subscriber premises includes an interface for transmitting and receiving audio telephone service signals, subscriber control signals and digital multimedia information signals on the three signal channels. A plurality of subscriber local loops interconnect each subscriber interface and the central office interface. Multimedia information is collected from information providers and stored at media servers that provide a library of data and control sessions. Software modules at the media servers and resident terminals enable interactive multimedia session building, sharing of databases and joint authoring of multimedia presentations.
263 Citations
18 Claims
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1. A public switched telephone network for providing information from a multimedia information server to any one of a plurality of subscriber premises, comprising:
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a telephone company central office receiving multimedia information signals from a multimedia information server and subscriber orders from a prescribed subscriber, said central office including a gateway for providing routing data in response to subscriber orders and a switch for routing multimedia signals from said server to the prescribed subscriber in accordance with said routing data; a central office interface including a first multiplexer/demultiplexer unit for audio telephone service signals, subscriber control signals and digital multimedia information signals on, respectively, first, second and third signal channels; each said subscriber premises including a second multiplexer/demultiplexer unit for transmitting or receiving audio telephone service signals, subscriber control signals and digital multimedia information signals on, respectively, the first, second and third signal channels; and a plurality of subscriber local loops interconnecting a corresponding subscriber interface and said central office interface; wherein said subscriber interface includes a decoder for converting an incoming digital multimedia information signal to an analog signal having a video component and wherein said decoder includes a decompressor for decompressing the incoming digital multimedia information signal and producing an analog video signal and associated audio output signals.
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2. A public switched telephone network for providing information from a multimedia information server to any one of a plurality of subscriber premises, comprising:
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a telephone company central office receiving multimedia information signals from a multimedia information server and subscriber orders from a prescribed subscriber, said central office including a gateway for providing routing data in response to subscriber orders and a switch for routing multimedia signals from said server to the prescribed subscriber in accordance with said routing data; a central office interface including a first multiplexer/demultiplexer unit for audio telephone service signals, subscriber control signals and digital multimedia information signals on, respectively, first, second and third signal channels; each said subscriber premises including a second multiplexer/demultiplexer unit for transmitting or receiving audio telephone service signals, subscriber control signals and digital multimedia information signals on, respectively, the first, second and third signal channels; and a plurality of subscriber local loops interconnecting a corresponding subscriber interface and said central office interface. - View Dependent Claims (3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18)
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Specification