Local control of call features in a telephone system
First Claim
Patent Images
1. A method of locally controlling call features comprising:
- transmitting a request for a call feature over a phone line;
processing the request; and
transmitting instructions in response the request to extensions over the phone lines.
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Abstract
A residential phone system allows for local control of call features from any phone extension. The phone system may include a microcontroller that communicates along the phone lines at a non-utilized frequency to several extension phones in a residence. The microcontroller permits each phone to control call features such as call waiting, conference calling, paging, or other features. A control box may be included at any or all of the extension phones to provide a convenient user interface to access the call features.
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Citations
22 Claims
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1. A method of locally controlling call features comprising:
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transmitting a request for a call feature over a phone line;
processing the request; and
transmitting instructions in response the request to extensions over the phone lines. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. A method of processing call features comprising:
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submitting a request for a call feature from a first phone extension to a local controller; and
transmitting instructions regarding the call features over the local phone lines at a frequency not used for voice or voice-over-data communications. - View Dependent Claims (9, 10, 11, 12, 13, 15, 16, 17, 18, 19, 20, 21, 22)
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14. A local phone system comprising:
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a controller which receives requests for call features from a plurality of phone extensions, wherein the controller processes the requests and transmits instructions to the phone extensions based on the requests; and
a first transceiver which provides communications between the controller and the phone extensions over a phone line.
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Specification