JP3704398B2 - Automatic line selection method - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to an automatic line selection (LCR) technique for automatically selecting an inexpensive line from a plurality of telephone lines.
[0002]
[Prior art]
A telephone having an automatic line selection function identifies a telephone number dialed in based on a predetermined criterion, adds a line identification number for which the line usage fee is the cheapest to the telephone number, and sends it to the line. Also, when the user adds a line identification number and enters a telephone number, the line identification number is identified. In that case, the line number automatically entered is not selected and the telephone number with the line identification number entered by dialing is used as it is. To send.
[0003]
[Problems to be solved by the invention]
In the future, it is expected that the identification number of the local terminal will be sent from the exchange to the partner terminal, and the service of the calling number display function will be started. Therefore, it is necessary to add a specific dial number (for example, “184”) for controlling the number to the head of the telephone number and send it to the line.
[0004]
However, a conventional telephone having an automatic line selection function cannot select the cheapest line even if a telephone number including a specific dial number for controlling a partner terminal such as “184” is input at the beginning.
[0005]
[Means for Solving the Problems]
In order to solve the above-described problems of the prior art, the present invention identifies a telephone number entered by dialing and selects a cheapest telephone line from a plurality of telephone lines based on a predetermined criterion. select the in automatic line selection scheme for sending to the line by adding a line identification number selected at the beginning of a phone number, a pre-specified dial number memory for storing a specific dial number for the other party terminal control Means, temporary storage means for temporarily storing the dialed telephone number, and whether or not there is a portion that matches the stored specific dial number at the beginning of the temporarily stored telephone number Specific dial number identifying means for identifying the telephone and the telephone stored temporarily when it is identified by the specific dial number identifying means that there is a portion that matches the specific dial number The cheapest telephone line is selected from a plurality of telephone lines based on the predetermined criterion for the remaining numbers excluding the part matching the specific dial number from the head part of the number, and the specific dial number When it is identified by the identification means that there is no portion matching the specific dial number, the cheapest telephone line is selected from the plurality of telephone lines based on the predetermined criterion for the temporarily stored telephone number. Line selection means for selection, and dial transmission means for adding a line identification number for selecting the telephone line selected by the line selection means to the telephone number stored in the temporary storage means and sending it to the line. This is an automatic line selection system characterized by
[0006]
DETAILED DESCRIPTION OF THE INVENTION
FIG. 1 is a block diagram of an automatic line selection type telephone showing an embodiment of the present invention.
1 is a processor (CPU) for performing LCR determination, 2 is a data holding memory for performing LCR determination, 3 is a real-time clock for performing LCR determination, and 4 is an element for data communication with a telecommunications carrier ( An element for receiving data for performing LCR determination or the like (for example, a modem), 5 is a dial transmission unit. A telephone number input from a dial input unit (not shown) is temporarily stored in the buffer of the CPU 1.
The CPU 1 identifies whether or not there is a line identification number (0077, 0088, 0070) at the head of the telephone number temporarily stored at this time, and when there is a line identification number, the telephone number temporarily stored without performing the LCR determination is determined. The data is sent to the dial transmission unit 5 as it is on the transmission line. If there is no line identification number, it is further determined whether or not there is a specific dial number “184” at the beginning of the temporarily stored telephone number. The specific dial number “184” indicates control data indicating that the caller ID display is not allowed to display the identification number of the own terminal at the counterpart terminal when sent from the dial transmission unit 5 to the line. .
[0007]
When there is no “184” at the head of the telephone number temporarily entered by dialing, whether or not the area code is at the head of the temporarily stored telephone number is identified. If there is no area code, the LCR determination is not performed and the temporarily stored telephone number is sent to the dial sending unit 5 as it is sent to the transmission line. When there is an area code, a predetermined LCR determination similar to the conventional one is performed. In the LCR determination, line selection is performed from an area code or the like based on an LCR determination program stored in advance by the CPU 1. A special day such as a day of the week, a holiday, or a time zone, which is one of the criteria for selecting a line, is identified from the output of the real-time clock 3. The data holding memory 2 stores line identification numbers (0077, 0088, 0070) for line selection. The line identification number selected from the data holding memory 2 based on the LCR determination is sent to the dial sending unit 5, and subsequently, the temporarily stored telephone number is sent to the dial sending unit 5, and the line identification number is sent. The dialed phone number is sent to the line.
[0008]
If there is “184” at the beginning of the phone number that was temporarily entered for dialing, the remaining numbers excluding “184” from the beginning of the temporarily stored phone number (ignoring “184” from the beginning of the temporarily stored phone number) Number) is identified whether there is an area code at the beginning. If there is no area code, the LCR determination is not performed and the temporarily stored telephone number including “184” at the head is sent to the dial sending unit 5 as it is sent to the transmission line. If there is an area code, for the remaining numbers excluding “184” from the beginning of the temporarily stored phone number (the number ignoring “184” from the beginning of the temporarily stored phone number) Make a decision. The line identification number selected from the data holding memory 2 based on the LCR determination is sent to the dial sending unit 5, and the telephone number (including “184” at the head) temporarily stored after this is sent to the dial sending unit. 5, the line identification number and the dialed telephone number (including “184” at the beginning) are sent to the line.
[0009]
Therefore, when a service for calling number display function is started in the future, it is only necessary to add a specific dial number for remote control not to permit calling number display and dial in the telephone number as before, The cheapest line can be automatically selected.
[0010]
【The invention's effect】
If it is necessary to add a specific dial number to the beginning of the phone number and enter the number, simply add the specific dial number to the beginning of the phone number and enter the number, and the number excluding the specific dial number Since the cheapest line is selected by the LCR judgment and the input telephone number including the line selection number and the specific dial number is automatically sent to the line, the specific dial number is used using the cheapest line. Remote control is possible.
[Brief description of the drawings]
FIG. 1 is a block diagram of an automatic line selection type telephone showing an embodiment of the present invention.
[Explanation of symbols]
1: Processor (CPU) for performing LCR determination
2: Data holding memory for performing LCR determination 3: Real time clock for performing LCR determination 4: Element for data communication with telecommunications carrier 5: Dial sending unit

Claims (1)

The telephone number entered by dialing is identified, a line identification number for selecting the cheapest telephone line from a plurality of telephone lines is selected based on a predetermined criterion, and the line identification selected at the head of the telephone number is selected. in the automatic line selection scheme for sending to the line by adding numbers, a specific dial number storage means for storing in advance a particular dialed number for the remote terminal control temporary for temporarily storing the dialed telephone number Storage means; specific dial number identification means for identifying whether or not there is a portion that matches the stored specific dial number at the beginning of the temporarily stored telephone number; and the specific dial number identification When it is identified by the means that there is a part that matches the specific dial number, the part matches the specific dial number from the head part of the temporarily stored telephone number. For the remaining numbers excluding the part, the cheapest telephone line is selected from a plurality of telephone lines based on the predetermined criterion, and there is no part that matches the specific dial number by the specific dial number identification means Line selection means for selecting the cheapest telephone line from among a plurality of telephone lines based on the predetermined criterion for the temporarily stored telephone number, and stored in the temporary storage means And a dial transmission means for adding a line identification number for selecting a telephone line to be selected by the line selection means to the selected telephone number and sending it to the line.

Images