Communication system
First Claim
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1. A communication system comprising:
- a terminal unit;
a communications network coupled to the terminal unit and having a switching point having only a normal telephone function of switching through telephone connections; and
a service device, which is a terminal unit for the switching point, and which is coupled to the switching point of said communications network on a one-to-one basis without modification of the communications network, said service device including a switching center, a controller and a data bank, the data bank including at least one service logical program for rendering a service;
said first-recited terminal unit being adapted to generate a first parameter and a second parameter which are sent as a single transmission to said service device; and
said controller being adapted to (i) in response to the first parameter, select from the data bank a service logical program which is relevant to the first parameter, and (ii) in response to the second parameter, control the switching center in accordance with the selected service logical program as applied to the second parameter.
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Abstract
A communication system comprises a communications network coupled at least to a terminal unit. The communications network is coupled to a service device which comprises a switching center, a controller, and a data bank. The data bank contains at least a service logical program. A terminal unit generates a first parameter and a second parameter for sending as a single transmission to the service device. The controller extracts a service logical program from the data bank in response to the first parameter. The controller further controls the switching center in response to the second parameter based on the extracted service logical program.
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Citations
6 Claims
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1. A communication system comprising:
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a terminal unit; a communications network coupled to the terminal unit and having a switching point having only a normal telephone function of switching through telephone connections; and a service device, which is a terminal unit for the switching point, and which is coupled to the switching point of said communications network on a one-to-one basis without modification of the communications network, said service device including a switching center, a controller and a data bank, the data bank including at least one service logical program for rendering a service; said first-recited terminal unit being adapted to generate a first parameter and a second parameter which are sent as a single transmission to said service device; and said controller being adapted to (i) in response to the first parameter, select from the data bank a service logical program which is relevant to the first parameter, and (ii) in response to the second parameter, control the switching center in accordance with the selected service logical program as applied to the second parameter. - View Dependent Claims (2, 3, 4, 5)
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6. A service device adapted to be coupled via a communications network to a terminal unit, said service device, which is a terminal unit for a switching point of said network, and which is coupled to the switching point on a one-to-one basis without modification of said network, comprising:
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a switching center; a data bank containing at least one service logical program for rendering a service; and a controller which (i) in response to a first parameter, sent by the first-recited terminal unit selects a service logical program from said data bank, and (ii) in response to a second parameter sent by the first-recited terminal unit controls the switching center in accordance with the second parameter as applied to the selected service logical program; the first parameter and second parameter being sent by said first-recited terminal unit as a single combined transmission.
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Specification