JPH07162912A - Key telephone system - Google Patents

Abstract

PURPOSE:To provide a new function even when a key telephone set equipped with the new function is connected not only to a main unit corresponding to this function but also to a conventional main unit. CONSTITUTION:A main unit AA corresponding to the new function and a key telephone set BB corresponding to the new function are provided with means 54 and 224 for respectively transmitting machine type information to their parties, means 55 and 225 for discriminating machine types by receiving the machine type information from the parties, and means 52, 53, 222 and 223 for providing communication functions corresponding to the discriminated machine types of the parties. When the main unit is conventional, the key telephone set BB realizes the new function by converting a command so that the main unit can comprehend it.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a key telephone device comprising a key telephone and a main unit.

[0002]

2. Description of the Related Art A key telephone device converts a button operation input input from a key telephone into a command and transmits the command to the main device. Conversely, when an incoming call is received from a central line, the information is converted into a command. It is transmitted to the key telephone, and the status of the central line is displayed by blinking the lamp.

FIG. 4 shows the configuration of a conventional key telephone device. In FIG. 4, A is a main unit and B is a key telephone. In the main unit A, 1 is a station line circuit, which is connected to the station line. Reference numeral 2 is a speech path switch for switching and connecting a plurality of office lines, 3 is an extension circuit for accommodating a plurality of key telephones B connected to the main device A, and 4 is a main device A
A data transmitting / receiving circuit 5 for transmitting / receiving data between the key telephone B and the key telephone B is a control unit for controlling the entire main unit A, and has a basic control unit 6, a key telephone control unit 7, and a model discrimination unit 8. In the button telephone B, 11 is a relay, 12 is a hook switch, 13 is a telephone circuit, and 14 is a telephone circuit.
Is an amplifier, 15 is a speaker, 16 is an amplifier, 17 is a microphone, 18 is a data transmission / reception circuit, 19 is a dial, 20 is various function buttons, 21 is a lamp, 22 is a control unit,
It has a basic control unit 23, a main device control unit 24, and a model information transmission unit 25.

Next, the operation of the above-mentioned conventional key telephone device will be described. At the time of making a call, by lifting the handset of the button telephone B, the hook switch 12 is turned off and the relay 11 is activated, and when the station line is selected by the function button 20, the lamp 21 of the pressed button is turned on.
From the dial 19, enter the telephone number of the other party. The data transmission / reception circuit 18 sends the input telephone number information to the data transmission / reception circuit 4 of the main apparatus A, and data communication is performed with the office line through the communication path switch 2 and the office line circuit 1.
Call processing is performed. When an incoming call is received from the central office line, an incoming call is made to the telephone circuit 13 of the button telephone B through the central office circuit 1 of the main unit A and the communication path switch 2, and the telephone handset is lifted to go off-hook, and the speaker 15 and the microphone 17 are passed. The call is made.

[0005]

However, in the above-mentioned conventional key telephone device, the communication command corresponding to the function button of the key telephone has a one-to-one correspondence with the main device, and has a new function. New function with added button Even if the button telephone is connected to the existing main unit, the button telephone does not have a command to send the button press information to the main unit. There is a problem that the new function cannot be realized because it does not have a command for sending a command for realizing it to the key telephone.

The present invention solves such a conventional problem, and a new button telephone having a new function is connected not only to a main device corresponding to the same function but also to a conventional main device. It is an object of the present invention to provide an excellent key telephone device that can realize functions.

[0007]

In order to achieve the above-mentioned object, the present invention provides a means for the button telephone and the main unit to send model information to the other party and a model by receiving the model information from the other party. And means for realizing a communication function according to the determined partner model.

[0008]

Therefore, according to the present invention, both the key telephone and the main unit can discriminate the partner model. Therefore, if the units have new functions, the new functions can be realized by using regular commands. If the device does not support the new function, and if the call is made from the key telephone, the key telephone combines the button information that can realize the same function as the new button function with the command that the main unit can recognize. In the case of an incoming call from the main unit, the key telephone itself performs the processing for realizing the new function by judging from the command from the main unit and the current situation by sending the call. The new function can also be realized by combining with the conventional main unit.

[0009]

DESCRIPTION OF THE PREFERRED EMBODIMENTS FIG. 1 shows the configuration of an embodiment of the present invention. Since the configurations of the control unit of the main apparatus A and the control unit of the key telephone B in the conventional example shown in FIG. 4 are different, the reference numerals used in FIG. 4 are used for similar elements. In FIG. 1, AA is a new-function-compatible main device, and BB is a new-function-compatible button telephone. In the main unit AA, 1
Is a station line circuit and is connected to the station line. Reference numeral 2 is a communication path switch for switching and connecting a plurality of office lines, 3 is an extension circuit for accommodating a plurality of key telephones BB connected to the main device AA, and 4 is between the main device AA and the key telephone BB. Data transmission / reception circuit for transmitting / receiving data of 50,
Is a control unit for controlling the entire main unit AA, and has a basic control unit 51, a conventional telephone control unit 52, a new function button telephone control unit 53, a model information transmission unit 54, and a model discrimination unit 55. In the button telephone BB, 11 is a relay, 1
2 is a hook switch, 13 is a telephone circuit, 14 is an amplifier, 15 is a speaker, 16 is an amplifier, 17 is a microphone, 1
Reference numeral 8 is a data transmission / reception circuit, 19 is a dial, 20 is various function buttons, 21 is a lamp, and 220 is a control unit, which is a basic control unit 221, a conventional main device control unit 222, a new function main device control unit 223, and model information. It has a sending unit 224 and a function determining unit 225.

Next, the operation of the above embodiment will be described.
Since the basic operation relating to a call is the same as that of the conventional example, the operation for realizing the new function in the control units 50 and 220 will be described here. First, as shown in FIG. 2A, in the combination of the new function compatible main unit AA and the new function compatible button telephone in the above-mentioned embodiment, both of the new function button telephone control units 53 for realizing the new function and Since the new function main unit control unit 223 is provided, when making a call from the new function compatible button telephone BB, the model information sending unit 2 of the control unit 220 is lifted by lifting the handset.
The model information is sent from 24, and the model discriminating unit 55 of the control unit 50 of the new-function compatible main unit AA discriminates it to recognize that the partner button telephone is the new-function compatible type.
New-function compatible button By inputting a new-function button from the telephone set BB, the new-function main device control unit 223 can send a communication command to realize a new function in the main device AA. On the contrary, when the main device AA receives an incoming call, model information is sent from the model information sending unit 54 of the control unit 50, and the model information is sent to the main device 2 of the new function compatible key telephone BB.
Since the model discriminating unit 225 of 20 discriminates, the new function can be immediately realized in the key telephone BB by the communication command from the new function button telephone control unit 53.

Further, as shown in FIG. 2B, in the case of the combination of the conventional main unit A and the new function compatible button telephone BB, the conventional main unit A includes the new function button telephone controller 53 and the model. Since there is no information sending unit 54, when calling from the new-function button telephone BB, the new-function button input is processed by the new-function main unit control unit 223 to process the button input information so that the conventional main unit A can understand. Since the command is sent to the main device A by combining the communication commands, a new function can be realized in the conventional main device A. On the other hand, in the case of an incoming call from the main unit A, the conventional communication command is sent from the main unit A to the key telephone BB. Therefore, the key telephone BB determines from the command from the main unit and the current situation to determine the conventional communication command. The mold main unit control unit 222 carries out internal processing for realizing the new function and realizes the new function.

FIG. 3 shows a calling procedure from the button telephone side in each combination of the new function supporting main device AA and the new function supporting button telephone BB and the conventional main device A and the conventional button telephone B. First, in the combination of the new function supporting main device AA and the new function supporting key telephone BB of FIG. 3A, the key telephone BB has been used from the first power-on indicating that it is a new function and the conventional one. The model discrimination command is sent to the main unit AA as the second power-on. On the other hand, the main device AA sends a new communication command indicating that it has recognized the new function key telephone to the key telephone BB, and the key telephone BB responds with the new communication command to realize the communication and the new function. To do.

In the combination of the conventional main unit A and the new function compatible key telephone BB shown in FIG. 3B, the key telephone B is used.
B sends the first power-on indicating that it is a new function, but since the main device A cannot recognize this,
At the second power-on, it is determined that the conventional key telephone is connected, and the conventional command is sent to the key telephone BB. Upon receiving this, the key telephone set BB internally processes the input button information, combines the conventional commands, and sends the combined command to the main unit A, as described above, to realize communication and a new function.

In the combination of the main unit AA for new functions and the conventional button telephone B shown in FIG. 3C, the button telephone B is used.
Cannot send the first power-on, the model-type information is sent and power-on is performed, and the main unit AA recognizes that it is a conventional key telephone and communicates with the conventional communication command. The same applies to the combination of the conventional main device A and the conventional button telephone B of FIG. 3D.

As described above, according to the above-described embodiment, the control units 50 and 220 of the new function compatible main unit AA and the new function compatible button telephone BB determine the partner model and realize the new function. Since the means is provided, the new function can be realized even if the key telephone having the new function is connected to the conventional main unit.

[0016]

As is apparent from the above-described embodiments, the present invention provides means for the key telephone and the main unit to send model information to the other party, and means for receiving model information from the other party to determine the model. , It is equipped with a means to realize the communication function according to the discriminated partner model. Therefore, when the main units do not support the new functions, they can be optimally compatible with each other when they support the new functions. It is possible to control and realize a new function.

[Brief description of drawings]

FIG. 1 is a block diagram showing a configuration of a key telephone device according to an embodiment of the present invention.

FIG. 2 is a conceptual diagram showing a communication operation in one embodiment of the present invention.

FIG. 3 is a conceptual diagram showing a communication procedure in each combination of a main device and a key telephone.

FIG. 4 is a block diagram showing a configuration of a key telephone device in a conventional example.

[Explanation of symbols]

 AA New function compatible main unit BB New function compatible button telephone 1 Station line circuit 2 Call path switch 3 Extension circuit 4 Data transmission / reception circuit 50 Control section 51 Basic control section 52 Conventional button telephone control section 53 New function button telephone control section 54 Models Information sending unit 55 Model discriminating unit 11 Relay 12 Hook switch 13 Telephone circuit 14 Amplifier 15 Speaker 16 Amplifier 17 Microphone 18 Data transmitting / receiving circuit 19 Dial 20 Function button 21 Lamp 220 Control unit 221 Basic control unit 222 Conventional main unit control unit 223 New Function Main device control unit 224 Model information transmission unit 225 Model discrimination unit

Claims (1)

[Claims] 1. A key telephone and a main device each send means for sending model information to the other party, means for receiving model information from the other party to determine the model, and means for realizing a communication function according to the determined partner model. Button telephone device with and.