JPH07162915A - Key telephone system - Google Patents

Abstract

PURPOSE:To surely perform speaking by forcedly performing talk back at an opposite side telephone set with the operation of a call originating side telephone set when performing voice calling from the call originating side telephone set. CONSTITUTION:A storage part 7 of an MPU 4 at a key telephone main unit 1 stores a special number for performing talk back to telephone sets 2 and 3. While the call originating side telephone set 2 is under voice calling, the special number is inputted from ten keys 2d of the call originating side telephone set 2. This special number is compared with the special number stored in the storage part 7 by a central control unit 5 of the MPU 4 at the key telephone main unit 1. When those numbers are matched as the result of this comparison, the opposite side telephone set 3 is forcedly set to the talk back under the control of the central control unit 5, and voices from the opposite side telephone set 3 are heard without performing the off-hook operation of the opposite side telephone set 3.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a button telephone device for making a voice call from a speaker mounted on a telephone and for giving a voice response (talkback) through a microphone.

[0002]

2. Description of the Related Art Conventionally, in a key telephone device, it is possible to make a voice response (talkback) from a calling side telephone through a microphone as well as to call by a voice from a speaker equipped in the telephone of the other side. That is,
When the other party's phone is set to talk back, the other party's voice can be heard by the other party's voice through the microphone equipped on the other party's phone, even if the other party's phone does not respond by off-hook. You can hear the response. That is, a call is made without using a handset (handset).

[0003]

However, in the above-mentioned conventional button telephone apparatus, whether or not to perform talkback is selected by pressing a dedicated button provided on the telephone. Alternatively, a dedicated number (hereinafter referred to as a special number) is input by using the ten-key pad. That is, the selection of whether or not to perform talkback is decided by the judgment of the user of the telephone. Therefore, if you make a voice call from the calling phone to the other phone without knowing that you cannot talk back, even if the other side is answering by voice without going off-hook, There was a problem in that it was not possible to hear the voice from the other party on the telephone, so it was mistaken for no response and the call was stopped, making it impossible to make a quick call.

The present invention solves such a conventional problem. When a voice call is made from a calling side telephone, the calling side telephone is operated even if talkback is not set. It is an object of the present invention to provide an excellent button telephone device in which the other party's telephone can be forcibly set to talkback and a reliable call can be made.

[0005]

In order to achieve the above object, a button telephone device according to claim 1 is provided with a main device and a voice call from a speaker connected to the main device and equipped in a telephone. , A key telephone device having a plurality of telephones for performing voice-back talkback through a microphone, and inputting means for inputting a special number for performing talkback to the telephones, and controlling the inputting means and the talkback. And a main device control means for controlling talkback between the telephones, and when the telephone of the calling side makes a voice call from the speaker of the telephone of the other side. , If the other party's telephone is not set to talkback state, the main unit will force the other party's telephone to talkback based on the special number from the input means of the calling party's telephone. It is configured to perform control to set the click.

According to another aspect of the present invention, there is provided a key telephone device having storage means for storing a special number for setting talkback for each telephone in the main device, and a telephone from a calling side to a speaker from a telephone of the other side. When making a voice call, if the other party's telephone is not set to talkback state, the special number input from the input means of the calling telephone is read out from the talkback special number stored in the storage means of the main unit. In this configuration, the other party's telephone is forcibly set to talkback if they match.

[0007]

In the key telephone device according to the first and second aspects of the present invention, when the telephone of the calling side makes a voice call through the speaker from the telephone of the calling side, the telephone of the calling side is set to the talkback state. If not, the special number input from the input means of the calling telephone is compared with the talkback special number stored in the storage means of the key telephone main unit. When the comparison results in a match, control is performed to forcibly set the other party's telephone to talkback. Therefore, even if the other party's phone is not set to talkback,
The voice from the telephone of the other party can be heard by the telephone of the calling party, and a reliable call becomes possible.

[0008]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of a key telephone device according to the present invention will be described in detail below with reference to the drawings.

FIG. 1 is a top view showing the external structure of an embodiment of the button telephone device of the present invention. In FIG. 1, the key telephone device is provided with a key telephone main device 1 that processes a connection of a plurality of telephones to control a call, and telephones 2 and 3 connected to the key telephone main device 1. There is. Here, the telephone 2 is the calling side, and the telephone 3 is the receiving side. A telephone 2 on the calling side has a handset 2a used for making a call, a speaker 2b for listening to a voice from the telephone 3 on the other side in an on-hook state,
A microphone 2c for transmitting voice to the other party in the on-hook state is provided. Furthermore, a ten-key 2d for inputting (dialing) a telephone number and a liquid crystal display (LCD) 2e for displaying processing information are provided.
The other party's telephone 3 is also provided with a handset 3a used when making a call, a speaker 3b for listening to the other party's voice in the on-hook state, and a microphone 3c for transmitting the other party's voice in the on-hook state. . further,
Numeric keypad 3d for entering (dial) telephone number
And a liquid crystal display (LCD) 3e for displaying processing information.

FIG. 2 is a block diagram showing the electrical construction of an embodiment of the key telephone device of the present invention. In FIG. 2, the key telephone main unit 1 is provided with a telephone 2 on the calling side and a microprocessor (MPU) 4 for controlling connection with the telephone 3 on the other side and call control. The MPU 4 has a central control unit 5 for connection control and call control, an input / output unit 6 for connecting and calling the telephone 2 of the calling side and the telephone 3 of the other side, a special number for voice call and a special number for talkback. And a storage unit 7 for storing a telephone number in advance. The telephone 2 on the calling side is provided with an MPU 8, and this MPU 8 is provided with a control unit 9 and an input / output unit 10 for performing connection processing with the key telephone main unit 1 and input / output processing information. The other party's telephone 3 is provided with an MPU 11, and this MPU 11 has a control unit 12 and an input / output unit 13 for performing connection processing with the key telephone main unit 1 and information input / output processing.

Next, the operation of the configuration of this embodiment will be described. FIG. 3 is a flowchart showing the processing procedure of the operation of the embodiment. In FIG. 3, the calling telephone 2
If no call is made from the terminal, the unit enters the standby state (step (indicated by S in the figure) 14). When the telephone 2 of the calling side goes off-hook and the telephone number of the telephone 3 of the other side is input to the ten-key 2d, the MPU 4 takes in the input telephone number (step 15). In this MPU 4, the central control unit 5 causes the telephone 3 of the other party of the connection partner to receive an incoming call, and the bell rings and a ringing tone sounds (step 16). During the ringing of the ringing tone, the voice call special number is input to the ten-key 2d of the calling side telephone 2, and the MPU 4 takes in the voice call special number (step 17). Then, the central control unit 5 reads the voice calling special number stored in the storage unit 7, and determines whether or not the stored voice calling special number is read (steps 18 and 19). Next, the read voice calling special number is compared with the received voice calling special number (step 20). If they match in this comparison (step 20: Yes), the other party's telephone 3
Control to stop ringing (ringing sound) of bell in MPU
4 and the MPU 8 of the other party's telephone 3 (step 2
1). Next, the MPU 4 of the key telephone main unit 1 issues a switching instruction to switch the voice output from the telephone 3 of the other party from the handset of the handset 3a to the speaker 3b (step 22). By this switching instruction, the other party's telephone 3
Then, the audio output is switched from the handset 3a to the speaker 3b under the control of the control unit 12 in the internal MPU 11 (step 23). By this switching, the telephone 2 on the calling side listens to the call by voice on the telephone 3 on the other side (step 24). At this time, the central control unit 5 identifies the talkback setting state of the telephone 3 on the other side, and this state is displayed on the LCD 2e through the input / output unit 10 of the telephone 2 on the calling side (steps 25 and 26). When the calling side confirms the talkback setting state displayed on the LCD 2e and the other party's telephone is not set to talkback, the talkback special number is input from the ten-key 2d of the calling side telephone 2, The MPU 4 takes in the talkback special number (steps 27 and 28). Next, the talkback special number stored in the storage unit 7 is read, and it is determined whether or not this talkback special number is read (steps 29 and 3).
0). When it is read (step 30: Yes), the central controller 5 compares the agreement between the talkback special number and the fetched talkback special number (step 31). When it is determined in step 31 that the talkback special numbers match (step 31: Yes), information for switching from the handset 3a to the microphone 3c is sent to the telephone 3 of the other party, and talkback is enabled (step 31). Three
2, 33). Then, in the other party's telephone 3, the control unit 12
By switching from the transmitter of the handset 3a to the microphone 3c under the control of 1., talkback can be performed. When the telephone 2 on the calling side performs an on-hook operation to end the call, the MPU 11 sends an on-hook signal and the MPU 4 takes in the on-hook signal (step 34). After this, the calling telephone 2
Then, the call state of the telephone 3 of the other party is disconnected to end the call (step 35).

As described above, according to this embodiment, when the calling telephone is making a call by ringing the bell of the calling telephone, a voice call is made by dialing the voice call special number. Even if the telephone of the other party is not set to talkback, the telephone of the other party can be forcibly set to talkback from the telephone of the calling side.

[0013]

As is apparent from the above description, in the key telephone device according to the first and second aspects of the present invention, when the telephone of the calling side makes a voice call through the speaker on the telephone of the other side, the telephone of the other side is called. If the telephone is not set to talkback state, the special number input from the input means of the calling telephone is compared with the talkback special number stored in the storage means of the key telephone main unit, and if the comparison results in a match Since the call is controlled to forcibly set the other party's phone to talkback, even if the other party's phone is not set to talkback, the sound from the other party's phone can be transmitted to the calling party's phone. There is an effect that it is possible to listen and make a reliable call.

[Brief description of drawings]

FIG. 1 is a top view showing an external configuration of an embodiment of a key telephone device of the present invention.

FIG. 2 is a block diagram showing an electrical configuration of an embodiment of a key telephone device of the present invention.

FIG. 3 is a flowchart showing the processing procedure of the operation of the embodiment.

[Explanation of symbols]

 1 button telephone main unit 2, 3 telephone 2b, 3b speaker 2c, 3c microphone 2d, 3d numeric keypad 4, 8, 11 microprocessor (MPU) 5 central control unit 7 storage unit 9, 12 control unit

Claims (2)

[Claims] 1. A main device, and a voice call from a speaker connected to the main device and equipped in a telephone,
A key telephone device having a plurality of telephones for performing voice-back talkback through a microphone, and input means for inputting a special number for performing talkback to the telephones, and controlling the input means and the talkback. And a main unit control unit for controlling talkback between the telephones, and a voice call is made from the speaker on the calling side from the telephone on the calling side. If the other party's phone is not set to talkback at this time, the main unit controls the other party's phone to be forcibly set to talkback based on the special number from the input means of the calling party's phone. Button telephone device characterized by performing. 2. The main device is provided with a storage means for storing a special number for setting talkback for each of the telephones, and when a voice call is made from the speaker of the telephone of the calling side from the telephone of the calling side. If the other party's telephone is not set to talkback status, the special number input from the input means of the calling side telephone is read out from the talkback special number stored in the storage means of the main unit, compared and matched. A button telephone device, which performs control to forcibly set the other party's telephone to talkback in the event of a failure.