JPH0295060A - Line control adapter for telephone set - Google Patents

Abstract

PURPOSE:To make it unnecessary for an outgoing call side to call again subscriber by shutting off the line after a remaining message from the outgoing call side is transmitted to an incoming call side at the time of receiving a response signal from an incoming call side subscriber when onhooking is executed on the way of transmitting the message at the outgoing call side. CONSTITUTION:A line control adapter 1 of a telephone set 2 is provided with a line control circuit 11, a control circuit 12, a sound recording and reproducing part 13, a response detecting circuit 14, a transmitting circuit 15 and a handset holder 17. After a call is connected once, even when outgoing and incoming call subscribers temporarily interrupts the call if the outgoing call side subscriber holds a handset, at the time of restarting the call of the incoming call side subscriber, the message to promote the reception of the sound-recorded remaining message from the outgoing call side subscriber is sent and after the sound-recorded remaining message is sent, the line is automatically shut off. Thus, the outgoing call side subscriber can once transmit all the messages without executing the re-calling.

Description

DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a line control adapter for a telephone set, and more particularly to a line control adapter for a telephone set having message transmission, recording and playback functions.

[Conventional technology]

Conventionally, this type of telephone detects a ringing signal from an exchange, automatically answers, sends a predetermined message to the calling subscriber, and then sends a message from the calling subscriber in response. The system is configured to automatically record messages and play them back later, but if the calling party's phone goes on-hook while sending a message, the line will be disconnected and subsequent messages will not be received. The configuration is such that it is not possible.

[Problem to be solved by the invention]

With the above-mentioned conventional telephones, when the called subscriber temporarily suspends the call after answering, even if the call is connected several times, no message remains for the calling subscriber during the interruption. The disadvantage is that if there are any remaining messages that can be sent, the calling subscriber has to make the call again.

[Means to solve the problem]

The telephone line control adapter of the present invention includes a recording/playback unit that records and plays a first message from the calling subscriber, and when the calling subscriber holds the handset, prompts the called subscriber to respond. a reproducing circuit for reproducing and transmitting a second message; a response detection circuit for detecting a response signal from the called subscriber;
The first message is controlled to be sent to the called party.
and a control circuit that controls disconnection of the line after the message is sent.

〔Example〕

Next, the present invention will be explained with reference to the drawings.

FIG. 1 is a block diagram of a telephone line control attack showing one embodiment of the present invention.

In FIG. 1, a line control adapter 1 of a telephone 2 according to the present embodiment is a handset holder 17 that detects that the handset (not shown) of the telephone 2 is placed, and a line that controls connection/disconnection of a line 3. A control circuit 11, a recording/playback section for recording and reproducing the outgoing message of the calling subscriber; A transmitting circuit 15 that generates a reminder message to notify the existence of the transmitted message, and an ACK by a multi-frequency signal (hereinafter referred to as PB double signal) from the receiving side telephone indicating that the reminder message generated by the transmitting circuit 15 has been received. Prompts the response detection circuit 14 that detects the signal and the recording/playback section 13 to send a message to be sent, and prompts the sending circuit 15 to send a reminder message when the transmitter's handset is placed in the handset holder 17. , after the recording/playback section 13 finishes transmitting the message, or when an ACK signal such as a PB double signal from the receiving side is not returned within a preset period of time, the line control circuit 11 is instructed to disconnect the line. The control circuit 12 is configured to include a control circuit 12 that performs the following operations.

Next, the operation of this embodiment will be explained.

Assuming that the incoming subscriber interrupts and holds the call, if the calling subscriber using this embodiment wishes to leave a message and disconnect the line, he or she must first turn off the handset. (not shown) is placed on the handset holder 17. As a result, the control circuit 12 controls the recording/reproducing section 13 to record the transmitted message, and then records the message transmitted by the caller. Next, the control circuit 12 causes the transmitter circuit 15 to start transmitting a message indicating that the sender has a message to be sent (for example, "I have a message"), and also starts a timer included in the control circuit 12. . The response detection circuit 14 monitors whether there is a response signal using the PB multiplied signal from the receiving side, and if there is a response signal, transmits a signal to that effect to the control 12. After this,
The control circuit 12 activates the recording/playback section 13 and controls the remaining transmitted messages from the sender to be played back. These transmitted messages are transmitted to the called party via the line control circuit 11.

After receiving the message sent by the caller, the called party returns an ACK signal for retransmission or reception confirmation to the caller. On the sending side, this ACK signal is detected by the response detection circuit 14,
When the control circuit 12 is notified, the control circuit 12 retransmits (activates the recording/playback section 13) or disconnects the call (performs by controlling the line control circuit 11) in accordance with the ACK signal.

In addition, a timer in the control circuit 12 causes the transmitting circuit 15 to
If no response signal is detected after the reminder message is sent, the control circuit 12 controls the line control circuit 11 to disconnect the call after a preset time has elapsed.

〔Effect of the invention〕

As explained above, the present invention allows the calling subscriber to hold the handset even if the calling subscriber temporarily suspends the call after the call has been connected. When restarting, a second message is sent to prompt the reception of the remaining recorded first message, and the line is automatically disconnected after the remaining recorded first message is sent, so the calling subscriber This has the effect of being able to send all messages at once without having to call again.

[Brief explanation of drawings]

FIG. 1 is a block diagram of a telephone line control adapter showing an embodiment of the present invention. 1...Line control adapter, 2...Telephone, 3...
Line, 4. Communication line, 11... Line control circuit, 12...
Control circuit, 13...recording/playback section, 14...response detection circuit, 15...transmission circuit, 17...handset halter.

Claims (1)

[Claims] a recording/playback unit that records and plays back a first message from a calling subscriber; and a recording/playback unit that plays and transmits a second message prompting a called subscriber to respond when the calling subscriber holds the handset; a reproducing circuit, a response detection circuit for detecting a response signal from the called subscriber, and a circuit configured to control the transmission of the first message to the called party when the response signal is received, and after sending the first message; A line control adapter for a telephone set, comprising a control circuit for controlling disconnection.