JPH07203500A - Private branch exchange system - Google Patents

Abstract

PURPOSE:To identify clearly whether an identification code coming from an extension is from a card reader or from an extension terminal by using a private branch of exchange. CONSTITUTION:An additional code transmission function is provided to card readers 12a-12n, and an additional code comprising a preset standby dial code is added to an ID number stored in advance on an ID card and the resulting number is sent to a private branch exchange 10 in the case of a call to a personal trunk line. On the other hand, the private branch of exchange 10 is provided with an identification code discrimination means 19a and a trunk line call reception processing means 19b, discriminates whether or not the additional code is added to the identification code when the identification code comes from an extension, and converts the received ID number into a personal number when the additional code is added, implements trunk line call reception processing, and when the additional code s not added, he private branch exchange 10 implements trunk line call reception processing based on the received personal number.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a private branch exchange system installed in an office, a business office, etc., and more particularly, it has a function of managing an outside line using a personal number set for each user. Private exchange system.

[0002]

2. Description of the Related Art In recent years, a private branch exchange has been provided with various service functions, one of which is a personal transmission management function. For this function, for example, a unique personal number is determined for each user, and when the user makes an outside line, his / her own personal number is dialed from the extension terminal. Then, in the private branch exchange, if the dialed personal number is a pre-registered number, the outside line transmission is accepted and the outside line is transmitted, and the subsequent billing process is performed for each personal number. It is a thing.

By using such a function, no matter which extension the user uses to make an outside call, the user making the call can be charged. For this reason,
For example, when a plurality of companies jointly use one private branch exchange system, it is very convenient because the call charge can be managed easily and clearly.

By the way, when making an outside line call using this kind of function, the user must always enter his or her personal number prior to entering the telephone number of the other party. Therefore, some users may find the operation troublesome.

Therefore, recently, in order to further improve the operability of the above personal calling, use of an ID card has been studied. That is, each user has an ID number in which an ID number unique to the card is recorded in advance, and a card reader device is built in or attached to the extension telephone. And when making an outside line,
After off-hook, the user inserts his or her ID card into the reading section of the card reader device. Then, the card reader device reads the ID number of the ID card, and the ID number is transferred to the private branch exchange via the extension. In the private branch exchange, when the ID number is transferred after off-hook, the ID number is converted into the corresponding personal number by the code conversion table recorded in advance,
Based on this personal number, transmission / reception processing and billing processing are performed. The reason for recording the ID number of each card instead of recording the personal number on each ID card is that if there is a change in the numbering plan, the ID cards of all the target ID cards will be changed accordingly. This is because rewriting is unnecessary.

With such a configuration, the user only has to insert the ID card into the reading section of the card reader device when making an outside line call, so that the operational complexity is reduced.

[0007]

However, there are the following problems to be solved in such a system that has been conventionally studied. That is, the extension telephone and the card reader device are branch-connected to one extension as described above, so that the personal number dialed by the extension telephone and the ID code read by the card reader are Both are transferred to the private branch exchange via the above-mentioned extension. Therefore, the private branch exchange cannot identify whether the identification code arrived at the time of making an outside line is an ID code or a personal number, and as a result, an accurate call acceptance process cannot be performed.

On the other hand, in order to solve this problem, ID
It is considered that the extension to which the card reader device is connected is initially registered in the private branch exchange as an extension dedicated to an ID card, and all the identification codes that arrive via the extension at the time of making an outside call are treated as ID numbers. But,
With this configuration, the user must use an ID card to make an outside line call.
If the user forgets to carry the card, he / she must find another extension to which the ID card reader device is not connected to make a call, which is inconvenient.

The present invention has been made in view of the above circumstances, and its object is to determine whether the identification code coming from the extension is from the information reading device or the extension terminal. It has a personal call management function that can be clearly identified on the private branch exchange, which allows the user to make an external call in any desired operation mode and improve the operability for making a personal external call. It is to provide a private branch exchange system.

[0010]

In order to achieve the above object, the present invention sets a unique first identification code for each user in advance so that the user can make an outside line call by using this first identification code. In a private branch exchange system equipped with a personal transmission management function for managing using an ID card, when an identification information recording medium such as an ID card owned by the user is set in the information reading device, it is recorded in advance on this identification information recording medium. An identification code reading means for reading the second identification code, and a second identification code read by the identification code reading means for adding a specific third identification code and sending it to an extension line. Identification code sending means, and a code conversion table storing the first identification code and the second identification code in the private branch exchange in association with each other; And stage, are provided with external call acceptance processing unit. Then, when the extension code is sent from the extension terminal after the extension terminal is off-hook, the identification code determining means determines whether or not the third code is added to the identification code, and the determination is made. Based on the result, it is determined whether the sent identification code is the first identification code or the second identification code, and if this determination means determines that the first identification code has been sent, , The outside line transmission acceptance processing is performed based on the first identification code, and when it is determined that the second identification code is sent, the second identification code is converted into the first identification code by the code conversion table. It is converted into an identification code, and an external line transmission acceptance process is performed based on the first identification code.

[0011]

As a result, according to the present invention, when the user uses the identification information recording medium such as an ID card to perform an outside line transmission operation, the second information is read from the identification information recording medium by the information reading device. And a specific third identification code is added to the identification code of No. 1 and transferred to the private branch exchange. On the other hand, when the user dials the first identification code of the user at the extension terminal device without using the identification information recording medium, the first identification code is transferred to the private branch exchange as it is. Then, in the private branch exchange, when the identification code arrives via the extension, it is determined whether or not the third identification code is added to the identification code, and the identification code is the first identification code based on the determination result. Or the second identification code is determined. Then, according to the result of this determination, a process for accepting the personal outside line transmission is performed.

Therefore, whether or not the user uses the identification information recording medium, the private branch exchange can always properly perform the process of accepting the personal external line transmission. Therefore, the user can make a personal external line call without using the identification information recording medium even at the extension terminal to which the information reading device is connected. That is, the user can perform a personal outside line calling operation without being aware of whether or not the information reading device is connected to the extension terminal, which greatly improves the operability of the user for the personal outside line calling operation. Be improved.

[0013]

Embodiments of the present invention will be described below with reference to the drawings. In the electronic private branch exchange system of the present embodiment, each extension user is assigned a unique personal number in advance in order to originate a personal station line, and an ID card as an identification information recording medium in which an ID number unique to the card is recorded in advance. Is lent.

FIG. 1 is a circuit block diagram showing the configuration of an electronic private branch exchange system according to an embodiment of the present invention.
0 is an electronic private branch exchange, 13a to 13n are standard telephones, 1
4a is a multifunction telephone, 12a to 12n are card reader devices as information reading devices, and 22 is a teletype device (TT).
Y) are shown respectively.

The electronic private branch exchange 10 includes a plurality of office line trunk interface circuits 15a to 15m, a plurality of individual telephone interface circuits 16a to 16n, a multifunction telephone interface circuit 17a, and a switch circuit 18.

Of these, the office line trunk interface circuits 15a to 15m are the public network office lines 1 (not shown).
1a-11m connected to these station lines 11a-11m
Various interface operations for the station line such as acquisition of the station line and detection of an incoming signal are performed between and.

Single telephone interface circuits 16a-1
6n to each of the standard telephones 13a via extension lines.
13n and the card reader devices 12a to 12n are branch-connected. Single telephone interface circuit 16
a to 16n detect hook signals, dial signals and identification codes sent from the standard telephones 13a to 13n, detect identification codes sent from the card reader devices 12a to 12n, and receive calls to the standard telephones 13a to 13n. Performs various interface operations for extensions such as signal transmission.

The multifunction telephone interface circuit 17a is connected to the multifunction telephone 14a, and the multifunction telephone interface circuit 17a exchanges call signals and control data with the multifunction telephone 14a.

The switch circuit 18 is arranged between the telephone interface circuits 16a to 16n and 17a, and the telephone interface circuits 16a to 16n and 17a and the station line trunk interface circuits 15a to 15m according to an instruction from a central control circuit 19 which will be described later. Connect and exchange between.

Further, the electronic private branch exchange EX has a central control circuit (CC) 19. The central control circuit 19 is connected to the central line trunk interface circuits 15a to 15m, the individual telephone interface circuits 16a to 16n, the multifunction telephone interface circuit 17a and the switch circuit 18 via a control bus 21, respectively. Main memory 20 and TTY interface circuit 2
3 and 3 are connected to each other.

Of these, the main memory 20 uses a semiconductor memory such as a ROM or a RAM as a storage medium. The main memory 20 stores control programs used by the central control circuit 19 and various control data. . As one of the control data, a conversion table of the ID number and the personal number used for transmitting the personal station line is included. A teletype device (TTY) 22 as a maintenance terminal device is connected to the TTY interface circuit 23. The teletype device 22 is used when newly setting or changing various control data necessary for controlling the central control circuit 19.

By the way, the central control circuit 19 is provided with, for example, a microcomputer as a main control section, and its control function includes an internal office line outgoing / incoming control means, an exchange control means, a call charge management control means by a personal number, and the like. In addition to the control function, it is provided with an identification code judging means 19a for making a personal station line call and a station line call acceptance processing means 19b.

The identification code judging means 19a analyzes the identification code when the identification code sent from each extension is detected and transferred by the individual telephone interface circuits 16a to 16n when the personal station line is transmitted. It is determined whether or not the additional code is attached to the identification code.

If the identification code sent from the extension is the ID number recorded on the ID card according to the determination result of the identification code determination means 19a, the station line transmission acceptance processing means 19b outputs this ID number. Is converted into a personal number by the conversion table, and the line originating and receiving process is performed based on the personal number. When the identification code is the personal number, the line originating and receiving process is performed based on the personal number. .

On the other hand, the card reader devices 12a-12n
Is configured as follows, for example. FIG. 2 is a circuit block diagram showing the configuration. Card reader devices 12a-1
2n is a central control unit 121, a main memory 122, a line connection switch 123, a DTMF generating circuit 124, a card reading unit 125, and a line interface unit 126.
A hook monitoring unit 127, a display unit 128, and various setting switches 129.

Of these, the card reading section 125 reads the ID number recorded on the ID card 30 when the ID card 30 is inserted and transfers it to the central control section 121. The hook monitoring unit 127 monitors the hook operation in the standard telephones 13a to 13n branch-connected to the same extension, and notifies the central control unit 121 of the detection signal thereof. The line connection switch 123, according to the connection control signal from the central control unit 121, sends the DTMF generating circuit 1 to the extension.
24 is connected. DTMF generating circuit 124 generates a DTMF signal corresponding to a spare dial key according to an instruction from central control unit 121. The spare dial keys are provided in addition to the "1" to "9", "0", "#", and "*" keys used in normal dial operation as shown in FIG. The dial keys "A" to "D".

The central control unit 121 has, for example, a microcomputer as a main control unit, and has an ID number sending control means as a function for realizing the present invention. The ID number sending control means is the hook monitoring unit 127.
When the off-hook of the branch standard telephone is detected by the card and the ID number of the ID card is subsequently read by the card reading unit 125, the DTMF corresponding to this ID number is detected.
An additional code is attached to the head of the signal and transmitted. As the additional code, the spare dial key “A” shown in FIG.
A dial code corresponding to a preset key (for example, "A") of "D" is used. This additional code and the above-mentioned ID number are sent from the central control unit 121 by the DTM.
The generation instruction is given to the F generation circuit 124 and the corresponding DT
The central control unit 12 generates the MF signal and only during the transmission period.
1 by closing the line connection switch 123.

Next, the operation of transmitting a personal station line in the private branch exchange system configured as described above will be described. In order to make an office call, the extension user is now using, for example, a standard telephone 1
In 3a, it is assumed that an off-hook operation is performed, a local line transmission special number (for example, "0") is dialed, and then the ID card 30 owned by the user is inserted into the card reading unit 125 of the card reader device 12a.

Then, in the card reader device 12a, when the hook monitor 127 detects the off-hook of the standard telephone set 13a, the card reader 12a enters the operating state, and when the ID card 30 is inserted into the card reading section 125 in this state, the card is read. The reading unit 125 reads the ID number recorded on the ID card and transfers it to the central control unit 121. When the ID number is input, the central control unit 121
A spare dial code previously stored in the main memory 122 is read out and the DTMF representing this spare dial code is read.
A drive instruction is given to the DTMF generating circuit 124 to send a signal. Therefore, the DTMF generating circuit 124 generates a DTMF signal representing the spare dial code, and the DTMF signal is sent to the extension line via the line connection switch 123.

DTM representing this spare dial code
When the transmission of the F signal is completed, the central control unit 121 gives a driving instruction to the DTMF generating circuit 124 to transmit the DTMF signal representing the read ID number. Therefore, the DTMF generating circuit 124 generates a DTMF signal representing the ID number, following the DTMF signal representing the spare dial code, and the DTMF signal is sent to the extension line via the line connection switch 123. .

FIG. 4 shows an example of the spare dial code and ID number transmitted as described above.
In (a), the case where the spare dial code "A" is added to the head of the ID number "001", and in (b), the spare dial code "A" is added to each digit of the ID number "001". The case of sending each is shown.

On the other hand, in the electronic private branch exchange 10, under the control of the central control circuit 19, the processing for accepting the personal station line transmission is executed as follows. FIG. 6 is a flowchart showing the control procedure and control contents.

In the standby state, the central control circuit 19 monitors the off-hook of the extension at step 6a and the arrival of the station line transmission special number at step 6b. In this state, when the off-hook operation is performed on the standard telephone 13a as described above, and then the station line outgoing special number "0" is dialed in, these off-hook and station line outgoing special numbers are sent to the standard telephone 13a. The corresponding single telephone interface circuit 16a detects each and the detection signal is notified to the central control circuit 19. Then, the central control circuit 19 judges that a station line transmission request has been generated and proceeds to step 6c, where the arrival of the identification code is monitored.

In this state, the card reader device 12a
DTMF signal arrives from the DTMF signal, and the identification code represented by this DTMF signal is transmitted to the single telephone interface circuit 1
It is assumed that it is detected by 6a and notified to the central control circuit 19. Then, the central control circuit 19 moves to step 6d and analyzes the received identification code here. Then, in step 6e, it is determined whether or not the received identification code includes the additional code, that is, the spare dial code "A". When it is determined that the dial code "A" is included, for example, as a result of this determination, it is determined that the received identification code is the ID number sent from the card reader device 12a, and the process proceeds to step 6f.

In step 6f, the conversion table stored in the main memory 20 is accessed by the central control circuit 19 and the ID number is converted into the corresponding personal number. FIG. 5 shows an example of the structure of the above conversion table. According to this conversion table, the ID
The number "0001" is converted to the personal number "101". The central control circuit 19 then proceeds to step 6g and determines here whether or not the conversion into the personal number has been completed. If the corresponding personal number is registered in the conversion table, the process proceeds to step 6h, and the converted personal number corresponds to an extension user who is permitted to make an office call. Or not. This determination is made based on the personal number permission table stored in advance in the main memory 20.

If it is assumed that the extension user who has made the call is a user who is permitted to make an office call, the above-mentioned personal number is registered in the table as usable, so the central control circuit 19 shifts to step 6i. Then, a vacant office line trunk interface circuit, for example, an office line trunk interface circuit 15m is captured, and the switch circuit 18 is further controlled to connect the office line trunk interface circuit 15m to the originating single telephone interface circuit 16a. Connect. Therefore, the public network is connected to the standard telephone 13a of the transmission source, whereby the dial tone DT sent from the public network arrives at the standard telephone 13a.

When the user who confirms the arrival of the dial tone dials in the telephone number of the other party on the standard telephone set 13a, the dial signal is sent to the public network through the private branch exchange 10 and the public network. Based on this dial signal, incoming call processing for the communication partner terminal is performed. Then, if the called party responds to this incoming call by going off-hook, then a call becomes possible between the standard telephone 13a of the calling party and the called party terminal.

When the call is started, the private branch exchange 1
In the central control circuit 19 of 0, billing calculation is performed, and after the call is finished, the billing data is stored in the call charge management area in the main memory 20 in association with the personal number of the caller.

On the other hand, in the judgment of the presence or absence of the additional code in the above step 6e, it is assumed that the auxiliary dial code "A" which is the additional code is not added to the identification code which has just arrived from the extension. In this case, the central control circuit 19
Judges that the above-mentioned arrived identification code is a personal number, and proceeds directly to step 6h. Then, as described above, it is judged whether or not the personal number corresponds to an extension user who is permitted to make an office line call. Move to capture processing.

The above steps 6g and 6
When it is determined in the determination of h that the conversion into the personal number is impossible or the use of the personal number is not permitted, the central control circuit 19 determines that the step 6
j, where the single telephone interface circuit 16
A call restriction sound is sent from a to the standard telephone 13a of the caller.

As described above, in the present embodiment, the card reader devices 12a to 12n are provided with the additional code transmitting means, and when the personal station line is transmitted, the ID number recorded in the ID card 30 is set in advance as a spare dial. Add an additional code consisting of a code and send it to the private branch exchange 10,
On the other hand, the private branch exchange 10 is provided with an identification code judging means 19a and an office line transmission acceptance processing means 19b, and when the identification code arrives from the extension, it is determined whether the additional code is added to the identification code or not. 19a
In accordance with the determination result, the station line call acceptance processing means 19b selectively executes the station line call acceptance process based on the ID code and the station line call acceptance process based on the personal number. .

Therefore, according to this embodiment, the user
Even when the D-card 30 is used to make a personal station line call, or the personal station line is made by directly dialing his / her own personal number without using the ID card 30, the private branch exchange 10 makes a difference. It is possible to make a judgment and perform a personal station line transmission / acceptance process corresponding to each judgment. Therefore, it is possible to surely prevent the trouble that the transmission and reception processing of the central office line is erroneously performed. In addition, the user can use the ID card 3 from any extension.
It is very convenient because you can freely select whether to use 0 or not.

The present invention is not limited to the above embodiment. For example, in the above embodiment, the standard telephone 13a
.About.13n and card reader devices 12a to 12n are separate devices and are branch-connected to a common extension, the description has been given by way of example. However, even when a telephone device having a built-in card reader device is connected to the extension. The invention can be applied.

Further, in the above embodiment, the additional code is added to the head of the ID number for transmission, but the additional code may be added to the end of the ID number for transmission. Further, although the personal number, the ID number and the additional code are converted into the DTMF signal for transmission in the above embodiment, the baseband code data may be transmitted as it is.

In the above embodiment, the additional code is added to the ID number for transmission, but when the multi-function telephone is used, the additional code is added to the personal number for transmission. Good.

In the above embodiment, the case where the additional code is added to the ID code for transmission has been described. Alternatively, the ID code is code-converted according to a predetermined rule and transmitted to the private branch exchange. By inversely converting the transmitted code according to the predetermined rule, it is determined whether or not the transmission code has been code-converted. From the result of the determination, the transmitted code is I
You may make it discriminate | determine whether it is a D code or a personal code.

In addition, the personal number, the ID number and the additional code, the identification method by the identification code determination means, the procedure and contents of the central line transmission acceptance processing means, the circuit configuration of the private branch exchange and the card reader device, I
The configuration of the D card can be variously modified and implemented without departing from the scope of the present invention.

[0048]

As described above in detail, in the present invention, when the ID card owned by the user is set in the card reader device, the second identification code recorded in advance on this ID card is read. Then, when a specific third identification code is added to the read second identification code and the identification code is sent to the extension and the identification code is sent from the extension after the off-hook of the extension terminal in the private branch exchange. It is determined whether or not the third code is added to the identification code, and the sent identification code is the first identification code or the second identification code based on the determination result. If it is determined that the first identification code is sent, the outside line transmission acceptance processing is performed based on the first identification code, while the second identification code is sent. And when it is determined, after it converted this second identification code by the code conversion table into the first identification code, and to perform the reception processing of the external call based on the first identification code.

Therefore, according to the present invention, it is possible to clearly identify in the private branch exchange whether the identification code coming from the extension is from the card reader device or the extension terminal. It is possible to provide a private branch exchange system equipped with a personal call management function capable of making an outside line call in an arbitrary operation mode desired by a person and improving the operability for making a personal outside line call.

[Brief description of drawings]

FIG. 1 is a circuit block diagram showing a configuration of a private branch exchange system according to an embodiment of the present invention.

FIG. 2 is a circuit block diagram showing a configuration of a card reader device of the system shown in FIG.

[Fig. 3] Configuration of dial keys and corresponding DTMF
The figure which shows an example of a signal frequency.

FIG. 4 is a diagram showing an example of transmitting an ID number and an additional code.

FIG. 5 is a diagram showing an example of a conversion table showing a correspondence relationship between ID numbers and personal numbers.

6 is a flowchart showing a control procedure and control contents of a personal station line transmission control means in a central control circuit of the private branch exchange shown in FIG.

[Explanation of symbols]

 10 ... Electronic private branch exchange 11a-11m ... Station line 12a-12n ... Card reader device 13a-13n ... Standard telephone 14a ... Multi-function telephone 15a-15m ... Station line trunk interface circuit 16a-16n ... Single telephone interface circuit 17a ... Multi-function Telephone interface circuit 18 ... Switch circuit 19 ... Central control circuit (CC) 19a ... Identification code judging means 19b ... Local line transmission acceptance processing means 20 ... Main memory 21 ... Control bus 22 ... Teletype device (TTY) 23 ... Teletype interface Circuit 30 ... ID card 121 ... Central control unit 122 ... Main memory 123 ... Line connection switch 124 ... DTMF generation circuit 125 ... Card reading unit 126 ... Line interface unit 127 ... Hook monitoring unit 128 ... Display unit 129 ... Various setting switches

Claims (1)

[Claims] 1. A private branch exchange system having a personal transmission management function for setting a unique first identification code for each user in advance and managing the user's outside line transmission by using this first identification code. In, a private branch exchange respectively accommodating a plurality of extensions and at least one external line, an extension terminal device connected to the extension of the private branch exchange, and information reading branch-connected to the extension to which the extension terminal device is connected And a device for reading information when the information recording medium owned by the user is set,
Identification code reading means for reading the second identification code recorded in advance on the information recording medium, and a specific third identification code added to the second identification code read by the identification code reading means. And a code conversion table storing the first identification code and the second identification code in association with each other, and the extension. When the identification code is sent from the extension after the terminal device goes off-hook, it is determined whether or not the third code is added to the identification code, and the sent identification code is determined based on the determination result. A determining means for determining whether the identification code is the first identification code or the second identification code; and when the determining means determines that the first identification code is sent, If the second identification code is determined to have been sent, the second identification code is converted to the first identification code by the code conversion table. Convert to code,
A private branch exchange system comprising: an outside line transmission reception processing means for performing an outside line transmission reception process based on the first identification code.