JPH057243A - Electronic exchange system - Google Patents

Abstract

PURPOSE:To decide an erroneous dial and to inform of the content of the erroneous dial by checking the inputted dial information. CONSTITUTION:In an exchange system to store communication terminals 2-1-2-m for a telephone network and perform the exchange control based on the dial information from a calling communication terminal, the system is equipped with a holding means 15 to hold the telephone number system information, a control means 14 to have a function to check, based on the holding information of the above-mentioned holding means whether or not the information is applicable to the telephone number system when the dial information from the calling communication terminal is received, the deciding function to decide the error classification based on the content of the received dial information at the time of non-applicability after the checking result and a function to command the message sending of the decided error classification correspondence, and perform the exchange control based on the inputted dial information at the time of applicability, and an output means 19 to output the message information corresponding to the error classification decided by the control means to a calling side communication terminal.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an electronic exchange system which is capable of checking dial information to inform what kind of mistake is made in case of erroneous dialing.

[0002]

2. Description of the Related Art In recent years, exchanges have come to use microprocessors as the center of control, and have become increasingly sophisticated and highly functional. By the way, a digital electronic exchange for a private branch exchange using a microcomputer enables various services in addition to the basic function of accommodating internal lines and external lines and performing exchange connection between internal lines and between internal lines and external lines. ing.

One of them is an erroneous dial notification function. This function is a function to notify the user when he / she makes a dial call from the telephone and inputs a dial number that does not match the number system used in the exchange system. It was a simple message just to let you know that there was an “wrong number”. Therefore, I had no idea what the mistake was.

[0004]

One of the service functions of the electronic private branch exchange is an erroneous dial notification function. This function is a function to notify the user when he / she makes a dial call from the telephone and inputs a dial number that does not match the number system used in the exchange system. It was a simple message just to let you know that there was an “wrong number”.

Therefore, it was not possible to understand the details of the mistake. Also, when dialing to an outside line from the exchange and the dial operation does not match the telephone number system on the network, a voice message indicating that the telephone number is not currently used is sent from the network side. However, even in this case, there is no indication of what was wrong or how.

[0006] By not knowing the reason for the error, the same dial operation error is repeated, resulting in a waste of time and effort, which is extremely unfriendly to the user and halfway through. It was a function. This is because there is no function to determine the wrong phone number when analyzing the phone number.

Therefore, the object of the present invention is to
An object of the present invention is to provide an electronic exchange system that checks dialed information that has been input to determine an erroneous dialing and, when an erroneous dialing occurs, notifies the caller of the erroneous dialing with a message according to the content.

[0008]

In order to achieve the above object, the present invention is configured as follows. That is, in an exchange system that performs exchange control based on dial information from a calling communication terminal, holding means for holding information on a telephone number system and, when receiving dial information from the calling communication terminal, this information is used as the telephone number system. It is judged whether or not the error is met based on the information held by the holding means, and when it is judged that the error is not met, the judgment function for judging the error type based on the contents of the received dial information, and the judged error type The function of controlling to send a corresponding message to the calling communication terminal, and the exchange control based on the input dial information when it is determined that the received dial information conforms to the telephone number system. Control means having a function to perform, and output means for outputting a message corresponding to the error type determined by the control means to the calling communication terminal It is configured with a.

[0009]

In the above structure, when a call is made from the communication terminal for the telephone network and dial input is performed, the control means receives the input dial information based on the input dial information and the telephone number system information held by the holding means. Check if the phone number system is compatible. Then, when it is incompatible, the error type is determined based on the content of the received dial information,
The message transmission corresponding to the determined error type is instructed. Then, the output means outputs the message information corresponding to the error type determined by the control means to the calling side communication terminal. You can see if it was wrong. Further, as a result of the check, the control means controls to perform exchange control based on the input dial information when the check results are in conformity.

As described above, the present invention checks (determines) the dial input from the communication terminal on the calling side (for example, the calling telephone set) to determine whether or not it conforms to the telephone number system, and an error ( If there is no (conformity), the call is sent to the other party based on the input dial information, and if there is an error, the optimum error message corresponding to the error content is selected and sent to the calling side. Therefore, useless transmission to the network or the like can be suppressed, useless occupation of the line can be prevented, and the line can be effectively used. In addition, for the wrong dialing out of the number system, the optimal error message for each case is returned,
Since the caller is informed of the contents of the error, it is possible to prevent the caller from performing unnecessary work such as repeating incorrect dialing without understanding the reason, and to improve the user service.

[0011]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the drawings. FIG. 1 is a block diagram showing an outline of an electronic exchange system according to the present invention. In the figure, 1 is an exchange main body, 2-1 to 2-m are extension telephones, and 3 is a relay stand provided at a reception desk. .. 4-1 to 4-n are dedicated lines and private lines, and 5-1 to 5-m are local lines.

The exchange main body 1 accommodates extension terminals, office lines, leased lines, etc., and performs exchange connection between extension lines and between extension lines and outside lines. The communication path switch 11, trunk circuit 12-1 ...
12-m, line circuits (subscriber circuits) 13-1 to 13-m, a control unit (central control device CC) 14, a storage unit 15, an interface 16 for a relay stand, a digital interface circuit 17, and the like.

The speech path switch 11 is used to perform exchange connection between extension lines or from an extension line to an outside line (station line or private line) and from an outside line to an extension line. It controls various controls including the control. The storage unit 15 stores various control programs and various tables of the control unit 14, and data such as set function contents, and other various information generated in the exchange, for example, call extension number information and Various information such as the call time, the number of calls, the number of outgoing calls to the outside line, the telephone number of the destination, the call time, the call charge, and the current state are updated and stored in the storage unit 15, and the information is exchanged with the maintenance terminal 6. A program for controlling to exchange data is stored in.

The maintenance terminal 6 has a keyboard and a display, and can input and change data, programs, corrections, additions, deletions, and reading of data to the exchange main body 1. The digital interface circuit 17 is an interface for connecting the exchange main body 1 and external digital equipment, and the maintenance terminal 6 is connected to the control unit 14 via the digital interface circuit 17.
Connected with. This digital interface circuit 17 is an interface capable of high-speed transmission of data etc.,
The maintenance terminal 6 is connected to the control unit 14 of the exchange main body 1 through the digital interface circuit 17 so that the maintenance terminal 6 can communicate with the control unit 14.

The line circuits 13-1 to 13-m of the exchange main body 1 are connection interfaces provided for each extension and serve as a connection interface between the exchange circuit 11 and each extension terminal. The trunk circuits 12-1 to 12-n interface with the switching circuit 11 and the corresponding office lines, leased lines, or private lines 4-1 to 4-m, and are also used to detect incoming calls and to collect lines. It is a circuit that performs loop closure and the like.

Under the control of the control unit 14, the call path switch 11 is controlled so that a call path between the line circuits 13-1 to 13-m and the trunk circuits 12-1 to 12-n is formed. Allows normal exchange operation. Reference numeral 19 is a talker device which, under the control of the control unit 14, generates various voice messages (voice signals) by voice synthesis or the like according to the message data and switches the communication path.
11 is what you type. In addition, a tone sending circuit (not shown) is connected to the speech path switch 11 so that various signal sounds necessary for the telephone system can be sent. Further, the interface 16 is for connecting the relay stand 3 and the exchange main body 1 and is one of the terminal control cards, and has a function of exchanging voice, data and control signals with the relay stand 3.

Line circuits 13-1 to 13-m and trunk circuit 12-1
~ 12-n, each terminal control card such as the interface 16 and the torch device 19 and the control unit 14 transmits and receives signals by the control highway 18, but since each terminal control card is assigned to the input / output port, Each terminal is provided with a decoding means for decoding its own port number so that the terminal can be designated in the form of a port number that identifies it. When the port number matches that of its own, it is recognized as an access to itself.

The above-mentioned constituent elements in the exchange main body 1 are connected to the control unit 14 via the control highway 18, and the control unit 14 follows the line programs 13-1 to 13-3 in accordance with the control program stored in the storage unit 15 in advance. 13-m and trunk circuits 12-1 to 12-n
A normal exchange operation is enabled by controlling the communication path between the two. In order to realize these controls, the storage unit 15 is provided with programs and data for performing various controls based on dial information, such as selection of a partner port number to be exchange-controlled and off-hook and on-hook signals. Has been done.

When a dial call is made from a desired extension, this system uses the dial information associated with the dial operation to
Check the contents of the dialed number, check for "No area code", "No corresponding phone number", "No area code", "Insufficient number of digits", etc., and also correspond to any of these In this case, the torch device 19 has a function of instructing the transmission of a message corresponding to the type corresponding to the type, thereby notifying the user of the calling telephone device that there is an error in the dial operation. ,
It is designed so that you can specifically tell what kind of error it is.

As a check program therefor, a processing routine as shown in FIG. 4 is prepared, and this processing routine is added to the call control program. In the processing routine of FIG. 4, it is determined whether the input dial number is within the allowable range or not, and if not, what is the problem. A reference table, a database, and a determination program are provided in the storage unit 15 so that the reference table, the database, and the like can be corrected, changed, added, or deleted by the maintenance terminal 6. Yes (maintenance operation program). Further, the data of the voice message can be registered in the storage unit 15, and the contents can be changed by the maintenance terminal 6.

There is a database management program for checking the input dial number using the reference table and the database by the judgment program, and there is a maintenance operation program for maintaining the database. In the end, the system operates as an exchange. In addition to the normal control program required for this, software as shown in FIG. 2 is prepared in the storage unit 15.

In the present system having such a configuration, if there is an incoming call from an outside line, the control unit 14 detects the incoming call from the trunk circuits 12-1 to 12-n, and an extension terminal (relay console system) set as a representative. Or extension group type) or directly to the corresponding extension (PBX dial-in; a method of receiving the subscriber number from NTT and assigning it to the extension to directly receive the call by dialing the subscriber number) Let
Then, the communication path is secured by the response of the extension terminal, and the communication between the two is enabled.

To transfer this incoming call to another extension, the transfer operation is performed from the receiving terminal. Then, the control unit 14 checks the restriction or the like for the transfer destination extension and then calls the extension if the connection is possible. When the other party responds, the extension terminal that has performed the transfer operation is turned off, and the control unit 14 secures the communication path between the transfer destination extension and the calling side external line to enable the two parties to talk.

For a call from the extension to the reception, the control unit
The control unit 14 controls the incoming call to the relay station 3 which is the terminal on the reception side, and when the relay station 3 responds, the control unit 14 secures the communication path between the calling side and the called side and communicates between them. To enable. When a call is made from an extension to another extension, the control unit 14 receives the extension number from the calling extension as dial information.
Checks the content, and if there is no problem, it controls the incoming line to the line circuit of the other extension corresponding to the dial information, and if the other extension answers, the control unit 14 controls the call between the calling side and the called side. It secures a route and enables communication between the two.

A call from an extension line to an outside line is made by a call operation of an extension terminal, and the control unit 14 waits for dial information from the extension and checks the content when the dial information is received. If there is no problem, the trunk circuit This is performed by searching for an empty one of 12-1 to 12-n, securing a speech path using this empty trunk circuit, and outputting the dial information from the calling extension to the central office switch. Then, when it is connected to the other party via the central office switch, communication is enabled.

Various controls including transmission / reception control of a trunk circuit and a line circuit are carried out by using port numbers. For example, if a certain extension A is assigned to the port number PN n, the extension A is assigned. When calling, the method of accessing the port number PN n is used. Such control is realized by the control unit 14 controlling based on the terminal-port number information stored in the storage unit 15.

Here, in response to a call from an extension, this system waits for dial information sent from the call extension, checks the content, and if there is an error, outputs the content of the error. It is characterized in that it has a service function of notifying the calling side by a message, and can notify the contents of the error by voice when there is an erroneous dial. This control operation will be described in detail below with reference to the flowchart of FIG.

That is, according to the present invention, the dial input input from the calling telephone (including the relay stand) is checked to determine whether or not it conforms to the telephone number system, and if there is no error (nonconformity). Then, the call is sent to the other party based on the input dial information, and when there is an error, the optimum error message corresponding to the error is selected and sent to the calling side.

Therefore, in the present system, as shown in FIG. 2, a storage unit 15 is provided with a call control program for controlling communication of station lines and extensions, change of subscriber data, station data, maintenance for notifying maintenance personnel, etc. It has an operation program and a database management program that manages exchange data. Then, these programs are executed by the control unit 14 to control the above-mentioned checks and output of error messages.

It is assumed that the user removes the handset of the telephone A (off-hook) and operates the dial. When the control unit 14 of the electronic exchange detects the on-hook of the telephone set A through the line circuit, the process shifts to the process of the flow chart of FIG. After controlling to send to the calling side, it waits for dial input (S1, S2, S3, S7). The user inputs a dial by hearing the dial tone and performing a dial operation on the telephone set A. The control unit 14 receives the dial information sent from the telephone A and stores it in the storage unit 15.
(S4), and at the same time, the stored dial information is analyzed.

As the first step of this analysis, every time dial information is received, the contents of the called number based on the series of dial information received so far are checked using a database to check whether there is a corresponding number (S5). .. If this is equivalent to a call to an extension, check the list of extension numbers to see if there is one, and if it is an outside line, call the outside number, "100", "110", "119", "117", "177
"," 0120 "," 001 "," 0066 "," 0077 "" 007
Check the list of special numbers such as "0", area codes such as area codes, area codes, country codes for international calls, etc. to check if there is a corresponding item. It is determined whether or not there is a corresponding digit in the dial information.

For example, when calling the time signal service "177", if the outside line transmission is "0", "0", "1",
You will be dialing in the order of "1" and "7".
When the first "0" is entered, it is first determined whether the first digit is allowed to be "0", and if so, the next digit is allowed to be "1". If it is allowed, it is further determined whether the next digit is allowed to be "1". Then, if it is allowed, it is determined whether or not the next digit is allowed to be "7".

Although such a determination is made for each dial input, in the case of this example, since the first digit is "0" and it corresponds to outside line transmission, it is determined that there is no error, and then the digit is assigned based on the numbering system. The number is checked (S6). In this case, the number of digits is insufficient due to the numbering system. In this case, check the elapsed time waiting for dial input (S7). If the specified time has not elapsed, wait for dial input again and receive the next digit "1". It is determined that this corresponds to one of the beginning of the special number, the number of digits check is entered, and the number of digits is insufficient, so
After checking the elapsed time, wait for dial input, and if the next digit "1" is received, it is determined that this corresponds to one of the second digits of the special number, and the digit number check is started. Therefore, after checking the elapsed time, waiting for dial input, and further receiving the next digit "7", it is determined that this corresponds to one of the third digits of the special number, and the digit number check is started.

Since the number of digits is good in terms of the number system, in this case, the operation shifts to the transmission sequence (S8), where "0", "1", "1" stored in the storage unit 15 are stored. "," 7
Based on the dial information, the control unit 14 makes a dial call. First, based on the first digit "0", the external line is secured, an empty trunk circuit is searched for, and the next " Control is performed by sending dial information "1", "1", "7" to the network in this order. This allows the network side to make a call according to the dial information "1", "1", "7". The hourly service is performed on the side.

On the other hand, as a result of the check in S5, if it is determined that the dial number is not applicable, it is determined what kind of error the dial content is (S9), and the error message of the error message is determined based on the determination result. A selection instruction is given (S10). If the time is over (S7), it is determined that the number of digits of the dialed telephone number is insufficient, and an instruction to select the corresponding error message is issued (S10).

On the basis of the error message selection instruction, the control unit 14 sends the relevant error message data to the talk machine 19, converts the error message data into a voice signal by voice synthesis in the talk machine 19, and sends this signal to the calling side. Is heard by voice.

For example, in the above example, "0", "1",
If you enter "3", the special numbers "1", "3", and "X" do not exist at the stage of checking the third digit "3", so it is judged as an error and in this case the number is incorrect. Is determined. Then, an instruction to select an error message with a wrong number is issued, and a voice signal of the corresponding error message is output.

Therefore, the caller who hears this error message can immediately know what kind of error has occurred in the dial operation of his / her own. If the caller hangs up and dials the correct telephone number, It becomes possible to call. In this system, if there is an error in the dial operation, it will be known in advance by checking it and the calling sequence will not be executed. Therefore, it is possible to prevent unnecessary calling to the network, etc. It can be prevented and the line can be used effectively.

For an incorrect dialing out of the number system, an optimal error message for each case is returned,
Since the caller is informed of the contents of the error, it is possible to prevent the caller from performing unnecessary work such as repeating incorrect dialing without understanding the reason, and to improve the user service.

Here, the instruction for selecting the error message will be touched upon. When each input dial information is checked against the number system, the type of error is determined by the digit position where the error occurred. And, for example,
If the corresponding area code does not correspond to the entered dial information, select the toke type “3” that does not correspond to the area code, and then click the registration message data that corresponds to the toke type “3”. It sends it to the device 19 and causes the torch device 19 to send out a message notifying that there is no area code.

Similarly, if there is no corresponding telephone number for the entered dialing information, select the talkie type “2” that does not correspond to the telephone number and register the message corresponding to the talkie type “2”. Data of Toki device
It sends it to 19 and makes the talk device 19 send out a message notifying that there is no corresponding telephone number.

If the number of digits of the dial information input during that period is insufficient even after waiting for the dial input for a predetermined time, the torch type "4" having the insufficient number of digits is selected and the torch type "4" is selected. The data of the registration message (message with insufficient number of digits) corresponding to is sent to the talk machine 19, and the message is sent.

Similarly, when there is no station number in the state of the telephone number system, the error type is "no station number". In this case, the talkie type "1" is selected and the talkie type "1" is selected. Data of the corresponding registration message (message indicating that there is no station number) is sent to the talk machine 19 and a message without a station number is sent out.

In this way, the dial input from the calling telephone is checked to determine whether or not the telephone number system is met, and if there is no error (mismatch), the other party based on the input dial information is sent. When an error occurs, the most suitable error message corresponding to the error content is selected and sent to the calling side. Useless occupation can be prevented and the line can be effectively used. For incorrect dialing out of the numbering system, the optimum error message for each case is returned to notify the caller of the error content, so it is said that incorrect dialing is repeated without understanding the reason. It is possible to prevent unnecessary work of the person and improve user service.

As described above, if the input dial information is suitable according to the number system, the outgoing control is performed so as to call the number, and if the dial information is not suitable according to the number system, it is judged as the non-conformity. The error type is calculated from the contents of the digit position, and an error message corresponding to the error type is sent to the calling side.
When making a call to an outside line, etc., the dial information input by each dial operation is checked against the number system, and if it is determined to be suitable, the input dial information is sent to the network. Check each digit and send to the network. When an error is determined, disconnect processing is performed on the network and an error message according to the error type is sent to the caller. You can also Further, in the case of a communication terminal having a character output / display function such as a display such as a multi-function telephone, an error message may be displayed in a character display to indicate the error content. Further, the content of the error message may include a handling method.

In this way, the telephone number is analyzed from the dialing information input by the dialing operation from the calling side terminal and the numbering system (numbering plan) of the telephone network. However, since it is determined that there is no corresponding telephone number or area code, and a message corresponding to that is generated and sent to the user, it is possible to prevent unnecessary transmission to the network, etc. Occupation can be prevented and the line can be used effectively. For incorrect dialing out of the numbering system, the optimum error message for each case is returned to notify the caller of the error content, so it is said that incorrect dialing is repeated without understanding the reason. It is possible to prevent unnecessary work of the person and improve user service.

It is needless to say that the present invention is not limited to the above-described embodiments shown in the drawings, and can be appropriately modified and carried out within the scope not changing the gist thereof. For example, in the above-mentioned embodiments, The torch device receives message data and converts it into a voice signal by voice synthesis and outputs it. This is because the torch device itself has the message data in advance and the type is specified from the outside by instructing the type. The corresponding message data may be converted into a voice signal and output, or the message may be stored as an analog signal and reproduced.

In the above embodiment, the telephone has been described as an example, but the present invention can be applied to a communication terminal such as a facsimile or a personal computer which can make a call by dialing. In this case, it is displayed as character data on the display. In the case of a facsimile, a voice message can be used together with a manual connection in which the other party is called to the telephone port and then connected to the facsimile.

[0049]

As described above in detail, according to the present invention, the dial input from the calling telephone is checked to determine whether it conforms to the number system, and if there is no error (nonconformity), the input is made. The call is sent to the other party based on the dial information, and when there is an error, the optimum error message corresponding to the error content is selected and sent to the calling side. Since outgoing calls can be suppressed, unnecessary use of the line can be prevented, and the line can be used effectively. In addition, when an incorrect dialing out of the numbering system is performed, an optimal error message is returned for each case, and From notifying the caller of the contents,
It is possible to provide an electronic exchange system having features such that it is possible to prevent the caller from performing unnecessary work such as repeated erroneous dialing without understanding the reason and to improve user service.

[Brief description of drawings]

FIG. 1 is a block diagram showing the overall configuration of an embodiment of the present invention.

2 is a diagram showing a software configuration example of the system of FIG.

FIG. 3 is a diagram showing an example of an error type and a torch type of the system of the present invention.

FIG. 4 is a flowchart for explaining an operation example of the system of the present invention.

[Explanation of symbols]

1… Exchanger body, 2-1 to 2-m… Telephone, 6… Maintenance terminal, 11… Speech path switch, 12-1 to 12-n… Trunk circuit, 13-1 to 13-m… Line circuit, 14 ... control unit, 15 ... storage unit, 19 ... torch device.

Claims (1)

Claims: What is claimed is: 1. In a switching system for performing exchange control based on dial information from a calling communication terminal, holding means for holding information of a telephone number system and dial information from the calling communication terminal. When it is received, it is determined whether or not this information conforms to the telephone number system based on the information held by the holding means, and when it is determined that it is not compatible, the error type is determined based on the content of the received dial information. The function, the function of controlling to send a message corresponding to the determined error type to the calling communication terminal, and the input dialing information when it is determined that the received dialing information conforms to the telephone number system. And a message corresponding to the error type judged by this control means, and the caller side communication. Electronic exchange system characterized by configuring an output means for outputting the end the.