JPH0440050A - Trunk line terminal equipment with transfer function - Google Patents

Abstract

PURPOSE:To enable speech between a doorphone and a transfer destination by calling the transfer destination by automatically dialing the transfer destination previously stored in a transfer destination dial number storage circuit under the control of a main control part when a call is incoming from the doorphone while a user is absent. CONSTITUTION:According to the call from a doorphone 200, a main control part 103 is activated and a trunk line control circuit 101 automatically transmits the transfer destination dial number of a transfer destination dial number storage circuit 114 by activating the trunk line control circuit 101 from the main control part 103. When the response of the transfer destination is detected by a detecting circuit 102 for the end of the response from a callee, a doorphone speech path 110 is connected with a transfer destination station speech path 108 so as to enable the speech between the doorphone 200 and the transfer destination. Thus, even when the user is absent, the user can make the response from the outgoing destination or the like to the call incoming from the doorphone.

Description

[Detailed Description of the Invention] [Industrial Application Field] The present invention is a station line terminal device such as a home telephone connected to a door phone, and when a call is received from the door phone when the door phone is not present, the call is forwarded to a predetermined destination. The present invention relates to a central office line terminal device that has a transfer function and enables calls to be made between a doorbell and a transfer destination.

[Prior Art and Problems to be Solved by the Invention] Conventionally, in a home telephone device that is connected to a doorphone, if a call is received from the doorphone when the user is not present, the doorphone ring tone will sound from the handset for a certain period of time and no answer will be received. At that time, it returned to standby mode. Therefore, there was a problem in that it was not possible to answer incoming calls from the doorbell when the user was absent.

The present invention has been made in view of the above-mentioned points, and an object of the present invention is to eliminate the above-mentioned problems and provide a central office line terminal device having a transfer function that allows you to respond to an incoming doorbell call from outside, etc. even when you are not present. shall be.

[Means to solve the problem]

In order to solve the above problems, the present invention configures a central office line terminal device to which an intercom is connected as follows.

A central office line control circuit performs a call operation to the line, a forwarding destination dial number storage circuit stores the forwarding destination's dial number in advance, and a forwarding destination dial number storage circuit stores the forwarding destination's dial number in advance. A called party answer end detection circuit is installed to detect the end of call, and when a call is received from the doorbell, the main control unit is activated, and the station line control circuit transfers the forwarding destination dial number in the forwarding destination dial number storage circuit from the main control unit to the station line. Once the control circuit is started and the call is made automatically, and the called party's response end detection circuit detects the transfer destination's response, the door phone call bus and the transfer destination's office line call bus are connected, allowing a call between the door phone and the transfer destination. The present invention is characterized in that a main control section is provided which opens the transfer destination line when the called party response end detection circuit detects the end of the call.

In addition, the structure is equipped with a message sending circuit, and upon receiving a call from the door phone, the main control unit activates the message sending circuit before or immediately after dialing the transfer destination, and sends a message to the door phone requesting that the transfer destination be waited for. It is characterized by

[Effect]

By configuring the central office line terminal device as described above, when a call is received from the doorbell while the user is absent, the forwarding destination stored in advance in the forwarding destination dial number storage circuit is automatically dialed under the control of the main control section. Then, the transfer destination is called, and the doorphone call bus and the transfer destination line are connected, so that a call can be made between the door phone and the transfer destination.

In addition, by providing a message sending circuit, if a doorbell call arrives when you are not present, the message sending circuit will send a message to the doorphone asking you to wait for the transfer time, thereby reducing the discomfort of the waiting time for the person using the doorphone. There will be nothing left to give.

〔Example〕

An embodiment of the present invention will be described below based on the sections.

FIG. 1 is a block diagram showing the configuration of a home telephone device having a transfer function according to the present invention. As shown in the figure, the home telephone device has a main device 100, a door intercom 200 and a key telephone 300 connected to it, and a central office line P connected to the main device 100.

The main device 100 includes a central office line control circuit 101, a called party response termination detection circuit 102, a main control section 103, a message sending path 104, a cross point switch 105, an intercom control circuit 106, a telephone interface 107, and a forwarding destination dial number. A memory circuit 114 is provided. In addition, in the figure, 108 is a central office line communication bus, 109 is an extension communication bus, and 11
0 is a door phone call bus, 111 is a control line, 112 is a call line, and 113 is a data line. The operation of the present home telephone device having the above configuration will be explained in detail below. First, the dial number (No) of the forwarding destination is set in advance from the key telephone 300 to the forwarding destination dial number storage circuit 114.
Furthermore, a predetermined key on the button telephone 300 is pressed to set the "door phone transfer" mode. The button telephone 300 and the main device 100 are connected by a speech line 112 and a data line 113.
The main control unit 103 of the main device 100 is in charge of the control. Therefore, by the setting operation of the key telephone 300, the main control unit 103 in the main device 100 stores the intercom transfer setting information and the transfer destination dial number.

When the "door phone transfer" mode is set and a call is received from the door phone 200, the door phone control circuit 106 sends the call information from the door phone 200 to the main control unit 103. The main control unit 103 activates the station line control circuit 101 from this door phone call information and the door phone transfer mode setting data, and then starts the station line control circuit 101 to start the station line! Make an automatic call to. The destination at this time is the forwarding destination dial number storage circuit 114.
This will be the forwarding destination dial number that has been memorized.

When the called party at the transfer destination answers, the called party response completion detection circuit 102 detects the reversal of the central office line at this time, and the response information is sent to the main control unit 103. At this time, the main control unit 103
starts the sending circuit 104, and sends a message or a notification sound to the effect that the visitor is calling the doorbell to the called party at the forwarding destination for a certain period of time via the central office line communication bus 108 and the corresponding switch ONL of the cross-point switch 105. At the same time as the transmission is completed, the cross-point switch 105 of the office line communication bus 108 and the intercom communication bus 110 is connected, and a communication between the called party and the intercom 200 becomes possible.

If the called party at the transfer destination does not respond, the main control unit 103 operates to automatically enter a standby state after ringing for a preset time.

It is not necessarily necessary for the message sending circuit 104 to send a message to the effect that a doorbell call has been made in response to a visitor, and it may be added at the user's request.

Furthermore, in response to a call from the door phone 200, the main control unit 103 activates the message sending circuit 104 before or immediately after dialing the forwarding destination, and calls the door phone 200.
You may also send a message to the user (visitor) informing them that the transfer is in progress and ask them to wait for the transfer.By doing this, you can send a message to the user (visitor) to the effect that the transfer is in progress and ask them to wait for the transfer. , does not cause discomfort. However, in this case, since your absence will be acknowledged to the guests, it is preferable to be careful when sending messages in this way to prevent theft.

〔Effect of the invention〕

As explained above, according to the present invention, the following excellent effects can be obtained.

(1) When a call is received from the doorbell when you are not present, the forwarding destination stored in advance in the forwarding destination dial number storage circuit is automatically dialed under the control of the main control unit, the forwarding destination is called, and the call is connected to the doorphone call bus. By connecting the transfer destination line, you can make calls between the doorbell and the transfer destination.

(2) Also, by providing a message sending circuit,
When a door phone call arrives when the person is absent, the message sending circuit sends a message to the door phone asking the user to wait for the transfer time, so that the person using the door phone does not feel uncomfortable during the waiting time.

[Brief explanation of drawings]

FIG. 1 is a block diagram showing the configuration of a home telephone device having a transfer function according to the present invention. In the figure, 100... Main device, 101... Office line control circuit, 102... Called party response completion detection circuit, 103
...Main control unit, 104...Message sending circuit, 105...Cross point switch, 106...
...Extension call bus, 107...Telephone ink...
- Control line, 112... Call line, 113... Data line, 114... Transfer destination dial number storage circuit.

Claims (2)

[Claims] (1) A station line control circuit that performs calling operations on the line;
A forwarding destination dial number storage circuit that stores the forwarding destination's dial number in advance, and a called party response end detection circuit that detects that the forwarding destination has answered and the call with the forwarding destination has ended, are provided, In response to a call from the doorbell, the main control unit is activated, and the main control unit activates the station line control circuit to automatically transmit the forwarding destination dial number stored in the forwarding destination dial number storage circuit, and When the caller response end detection circuit detects a response from the transfer destination, the door phone call bus and the transfer destination office line call bus are connected to enable a call between the door phone and the transfer destination, and the called party response end detection circuit 1. A central office line terminal device having a transfer function, further comprising a main control unit that releases the transfer destination line when the terminal detects the end of a call. (2) The configuration is provided with a message sending circuit, and upon receiving a call from the doorbell, the main control unit activates the message sending circuit before or immediately after dialing the transfer destination, and sends a message to wait for transfer time. 2. The central office line terminal device having a transfer function according to claim 1, wherein the central line terminal device transmits the received information to the door intercom.