Apparatus and method for simultaneous multiple telephone type services on a single telephone line
First Claim
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1. A method comprising:
- transacting a first telephone service over a subscriber line within a plain old telephone system (POTS) frequency band; and
transacting a second telephone service over the subscriber line within a frequency band that is higher than the POTS frequency band.
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Abstract
Apparatus and method for simultaneously providing multiple telephone-type services to any/all POTS-type devices on a single wire pair at a user premises. The present invention provides for the ability to add separately addressable POTS devices on a single service loop. This can be accomplished in at least two ways: first by the use of a multipoint protocol or second by Frequency Division Multiplexing.
58 Citations
26 Claims
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1. A method comprising:
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transacting a first telephone service over a subscriber line within a plain old telephone system (POTS) frequency band; and
transacting a second telephone service over the subscriber line within a frequency band that is higher than the POTS frequency band. - View Dependent Claims (2, 3, 4, 5, 6)
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7. A system comprising:
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means for transacting a first telephone service over a subscriber line within a plain old telephone system (POTS) frequency band; and
means for transacting a second telephone service over the subscriber line within a frequency band that is higher than the POTS frequency band. - View Dependent Claims (8, 9, 10, 11)
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12. Communication signals transmitted along a subscriber line in a communication system, the communication signals comprising:
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a plain old telephone system (POTS) signal carrying POTS telephone data within a first frequency band, the first frequency band comprising a range of frequencies for carrying POTS signals; and
a digital signal carrying digital telephone data within a second frequency band, the second frequency band comprising a range of frequencies for carrying digital signals, the second frequency band having frequencies greater than the frequencies in the first frequency band;
wherein the POTS signal and the digital signal are transmitted along the subscriber line simultaneously. - View Dependent Claims (13, 14, 15, 16, 17)
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18. A communication system comprising:
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a subscriber premises having a subscriber line connected to a plurality of subscriber telephone devices; and
a central office wire center comprising a plain old telephone system (POTS) splitter, a POTS switch, and a multipoint master modem, the POTS splitter connected to the subscriber line of the subscriber premises and further connected to the POTS switch and multipoint master modem of the central office wire center;
wherein communication signals are communicated between the POTS splitter and the subscriber telephone devices along the subscriber line, the communication signals comprising an analog telephone signal within a first frequency range and a digital telephone signal within a second frequency range, the second frequency range comprising frequencies higher than the frequencies in the first frequency range. - View Dependent Claims (19, 20, 21, 22, 23, 24, 25, 26)
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Specification