Methods and systems for multimedia communications via public telephone networks
First Claim
1. A system for providing a plurality of multimedia telecommunication services to a plurality of multimedia workstations at least two of which are distributed among a first premise and a second premise, the system comprising:
- a multimedia central office located at a third premise, the multimedia central office including;
a digital switch complex coupled to at least one of the plurality of workstations via a public digital telephone network;
at least one twisted pair transceiver coupled to a second one of the plurality of workstations via at least one twisted pair link in a telephone loop plant; and
at least one switch complex operatively associated with the digital switch complex and the at least one twisted pair transceiver;
wherein the multimedia central office transceives signals with one of the multimedia workstations interfaced to the public digital telephone network, transceives signals with one of the multimedia workstations interfaced to the twisted pair link in the telephone loop plant, and the signals include audio signals, video signals, and digital data signals; and
wherein an analog video signal is communicated between the multimedia central office and at least one of the multimedia workstations using a plurality of space division video signals, each of the space division video signals being transmitted over a corresponding one of a plurality of twisted pair links.
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Accused Products
Abstract
Methods and systems for providing multimedia telecommunication services to multimedia workstations communicating with a multimedia central office which includes a digital switch complex coupled to a public digital telephone network, and at least one twisted pair transceiver coupled to at least one twisted pair link in a telephone loop plant. The multimedia central office further includes at least one switch complex operatively associated with the digital switch complex and the at least one twisted pair transceiver. The multimedia central office is capable of transceiving signals with multimedia workstations interfaced to the public digital telephone network, and with multimedia workstations interfaced to the at least one twisted pair link in the telephone loop plant. The signals which are transceived include audio signals, video signals, and digital data signals used in providing the multimedia telecommunication services.
428 Citations
42 Claims
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1. A system for providing a plurality of multimedia telecommunication services to a plurality of multimedia workstations at least two of which are distributed among a first premise and a second premise, the system comprising:
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a multimedia central office located at a third premise, the multimedia central office including; a digital switch complex coupled to at least one of the plurality of workstations via a public digital telephone network; at least one twisted pair transceiver coupled to a second one of the plurality of workstations via at least one twisted pair link in a telephone loop plant; and at least one switch complex operatively associated with the digital switch complex and the at least one twisted pair transceiver; wherein the multimedia central office transceives signals with one of the multimedia workstations interfaced to the public digital telephone network, transceives signals with one of the multimedia workstations interfaced to the twisted pair link in the telephone loop plant, and the signals include audio signals, video signals, and digital data signals; and wherein an analog video signal is communicated between the multimedia central office and at least one of the multimedia workstations using a plurality of space division video signals, each of the space division video signals being transmitted over a corresponding one of a plurality of twisted pair links. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20)
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21. A method of providing a plurality of multimedia telecommunication services to a plurality of multimedia workstations at least two of which are distributed among first and second premises, the method comprising:
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providing a multimedia central office located at a third premise capable of providing the multimedia telecommunication services; coupling at least one of the multimedia workstations to the multimedia central office by the public digital telephone network; coupling at least one of the multimedia workstations to the multimedia central office by at least one twisted pair link within a telephone loop plant; transceiving signals between the multimedia central office and the multimedia workstations via the public digital telephone network; and transceiving signals between the multimedia central office and the multimedia workstations via the telephone loop plant; wherein the signals include audio signals, video signals, and digital data signals; and wherein the step of transceiving includes a step of communicating an analog video signal between the multimedia central office and one of the second at least one of the multimedia workstations using a plurality of space division video signals, each of the space division video signals transmitted over a corresponding one of a plurality of twisted pair links. - View Dependent Claims (22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40)
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41. A method of communicating an analog video signal and an audio signal over a plurality of twisted pair links, the method comprising the steps of:
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forming a first space division video signal and a second space division video signal based upon the analog video signal; mixing the audio signal with the second space division video signal to form a mixed signal; and transmitting the first space division video signal over a first of the twisted pair links; transmitting the mixed signal over a second of the twisted pair links.
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42. A system for communicating an analog video signal and an audio signal over a plurality of twisted pair links, the system comprising:
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means for forming a first space division video signal and a second space division video signal based upon the analog video signal; a mixer which mixes the audio signal with the second space division video signal to form a mixed signal; a first transmitter which transmits the first space division video signal over a first of the twisted pair links; and a second transmitter which transmits the mixed signal over a second of the twisted pair links.
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Specification