Method and telephone device for exchanging calls from plural areas with a single exchange
First Claim
Patent Images
1. A telephone device which is assigned to a caller telephone number, the caller telephone number comprising a caller area code, wherein the telephone device comprises:
- an input device for accepting a first telephone number;
a storage device for storing the first telephone number;
a controller circuit for judging whether the first telephone number stored in the storage device designates one of the telephone numbers grouped by the caller area code or not, and for adding the caller area code to the top of the first telephone number to generate a second telephone number when the first telephone number designates one of the telephone numbers grouped by the caller area code; and
a signal generator circuit for generating a signal for transmitting the second telephone number to an exchange.
1 Assignment
0 Petitions
Accused Products
Abstract
When a caller dials a telephone number with a telephone device assigned to a caller area code, the telephone device stores the telephone number to analyze it. According to the analysis, the telephone device adds the caller area code to the top of the dialed telephone number if the call is addressed to a telephone device in the area assigned to the caller area code, and the dialed telephone number does not include the caller area code.
14 Citations
8 Claims
-
1. A telephone device which is assigned to a caller telephone number, the caller telephone number comprising a caller area code, wherein the telephone device comprises:
-
an input device for accepting a first telephone number;
a storage device for storing the first telephone number;
a controller circuit for judging whether the first telephone number stored in the storage device designates one of the telephone numbers grouped by the caller area code or not, and for adding the caller area code to the top of the first telephone number to generate a second telephone number when the first telephone number designates one of the telephone numbers grouped by the caller area code; and
a signal generator circuit for generating a signal for transmitting the second telephone number to an exchange. - View Dependent Claims (2, 3, 4, 5)
-
-
6. A method of exchanging a call from a telephone device which belongs to an area assigned to a caller area code, comprising the steps of:
-
inputting a first telephone number to the telephone device;
storing whole of the first telephone number in the telephone device;
judging whether the first telephone number includes the caller area code or not;
adding the caller area code to the top of the first telephone number in order to generate a second telephone number according to the result of the judging step; and
sending the second telephone number to an exchange. - View Dependent Claims (7, 8)
-
Specification