JP3183179B2 - Transfer phone equipment - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a transfer telephone device for transferring an incoming call from an outside line based on a call originated by a caller to a transfer destination.

[0002]

2. Description of the Related Art In a transfer telephone apparatus of this type, when an incoming call arrives on an outside line based on a call from a calling side, a telephone number of a transfer destination set in advance is transmitted using another outside line. Then, when the transfer destination responds, it responds to the incoming call to the outside line, and connects the responded incoming call outside line and the outgoing call outside line to make a call between the calling side and the transfer destination.

[0003]

Such a transfer telephone apparatus is very convenient because when an incoming call arrives, the incoming call is automatically transferred to a transfer destination. However, among the incoming calls transferred to the transfer destination, there are unnecessary calls that the transfer destination does not want to answer. Therefore, this type of telephone device can confirm in advance whether the incoming call can be answered at the transfer destination. There is a strong demand from users to add functions. Accordingly, it is an object of the present invention to enable a transfer destination to confirm in advance whether or not an incoming call can be answered when an incoming call is transferred to a transfer destination.

[0004]

SUMMARY OF THE INVENTION In order to solve the above-mentioned problems, the present invention provides a receiving means for receiving a calling number which is a telephone number of a calling side when an external line is received, and a transfer destination for transferring an external line incoming call. delivery of the of the detecting means for detecting a response, a delivery means for detecting means is sent to the transfer destination calling number received by the receiving means and for detecting the response of the destination, the sending means
Forwarding based on the specified operation of the forwarding destination that confirmed the calling number
Signal receiving means for receiving signals transmitted from the
In addition, an operation according to the received signal is performed . Therefore, since the calling number is also sent to the transfer destination when an external call is transferred, it is possible to check in advance whether the incoming call can be answered at the transfer destination. In addition, the transfer destination can answer the transferred incoming call.
No can be easily selected. The transmitting means transmits the calling number by a voice signal. As a result, the transfer destination can identify the calling party number without providing any special means . In addition, signal
When the receiving means receives the signal for permitting the transfer, a connecting means for connecting the transmitting side and the transfer destination is provided. Ma
The signal receiving means receives a signal indicating an answering machine response.
Sends a response message to the calling line
Answering machine that records a message from the outside line of the calling party
A control means is provided.

[0005]

DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described below with reference to the drawings. FIG. 1 shows a first example of a transfer telephone device according to the present invention.
FIG. 1 is a block diagram showing an example of the configuration of a transfer telephone device. This transfer telephone device has a function of transferring an incoming call to a transfer destination and a caller telephone number (hereinafter referred to as a calling number) transmitted from an exchange described later when a call is received. ) Is received. In FIG. 1, L1 and L2 are telephone lines (hereinafter, external lines), 1 is a CPU for controlling the apparatus, and 2 is external lines L1 and L1.
A loop closing circuit for closing or opening the DC loop of L2, a dial circuit 3 for sending a dial signal to the outside lines L1 and L2, a communication circuit 4, a call circuit 5, and a hold sound circuit for sending a hold sound.

Reference numeral 7 denotes a voice recording / reproducing circuit for recording a business message or reproducing a business message and a response message to / from a recording / reproducing IC 6 as a recording medium, and 8 denotes a voice synthesis I.
C and 9 are PB receivers for receiving PB signals arriving on the external lines L1 and L2, 11 is an open-loop polarity detection circuit for detecting polarity reversal of the external lines L1 and L2 in a state where the DC loop is not closed, and 12 is This is a reverse detection circuit that detects polarity inversion when the DC loops of the external lines L1 and L2 are closed. Also, 1
Reference numeral 3 denotes a modem for receiving the above-mentioned calling number which arrives before a call signal from the external lines L1 and L2.
This is an incoming call detection circuit that detects a 6 Hz signal. Also, 15
Is a memory for storing a caller's number, a transfer destination telephone number for transferring an incoming call, etc., 16 is a display unit composed of an LCD unit, 17 is a clock unit, 18 is a dial key, and 19 is a function key. DB1 and DB2 are diode bridges, and HS1 and HS2 are hook switches.

The transfer telephone apparatus configured as described above has the function of receiving the calling number notified from the exchange as described above. The function of notifying the calling number is shown in the sequence of FIG. It will be described based on the following. In the drawing, reference numeral 50 denotes a calling side device, 60 denotes an exchange, and 70 denotes a called side device which is the transfer telephone device. In FIG. 5, the exchange 60, which has received the telephone number of the called side transmitted from the calling side device 50 in step S1, transmits the call signal to the called side device 70 in steps S2 and S3, respectively, before transmitting the calling signal to the called side device 70. Polarity reversal of external lines L1 and L2, and I
An AC signal near 16 Hz indicating the D receiving terminal activation signal is intermittently transmitted to the called device 70 for a predetermined time.

[0008] These signals are detected by the open-loop reciprocity detecting circuit 11 and the incoming call detecting circuit 14 of the called device 70. In this case, in the called device 70, the loop closing circuit 2 closes the DC loop of the external lines L1 and L2 in step S4, and returns a primary response to the exchange 60. Then
The exchange 60 transmits the calling number, which is the telephone number of the calling device 50, to the called device 70 by a modem signal. The called device 70 receiving this calling number via the modem 13
Notifies the exchange 60 of the receipt of the calling number by opening the DC loop of the external lines L1 and L2 closed by the loop closing circuit 2 in step S6.

At this time, the received calling number is displayed on the display unit 16 of the called device 70, and the called device then issues a normal 16 Hz one-second ringing and a two-second pause transmitted from the exchange 60 thereafter. The buzzer BZ makes an incoming call ringing in response to the call signal, and it can be determined at this time whether or not to respond to the incoming call based on the calling number being displayed. In response to this call signal, the called device 70 closes the DC loop (in the case of a transfer telephone) of the external lines L1 and L2 by the loop closing circuit 2 in step S7 or closes the DC loop by off-hook operation. A secondary response signal is sent to the exchange 60 in step S8.

Then, in the exchange 60, the polarities of the external lines L1 and L2 are reversed in step S9, and this is
And the charging operation is started. Thereafter, a call is made in step S10, and thereafter, the process ends with the call termination in step S11. It should be noted that billing is not performed unless the DC loops of the external lines L1 and L2 are closed as in step S7 for the transmission of the calling signal.

Next, the operation of the main part of the transfer telephone apparatus having the function of receiving the calling number notified from the exchange at the time of an incoming call will be described in detail with reference to the flowchart of FIG. First, in step S21, the CPU 1 determines whether an incoming call has been detected. When an incoming call is detected, an incoming call response process is performed. That is, in the incoming call response processing, the polarity inversion of the external lines L1 and L2 sent from the exchange side and the ID receiving terminal activation signal sent from the exchange side at the time of an incoming call to the apparatus are detected, and the DC loop of the external lines L1 and L2 is closed. It is returned to the exchange as a primary response signal. Then, it is determined in step S22 whether or not there is a notification of the calling number from the exchange by returning the primary response signal.
After receiving this at 23 and storing it in the memory 15, the external line L
1, L2 is released.

Thereafter, when a call signal arrives from the exchange side, in response to the call signal in step S24, a response message recorded in the area of the recording / reproducing IC 6 is reproduced and the outside line L1,
A response message sending process to be sent to L2 is performed. Then, in step S25, a message recording process for recording the message sent from the calling side in a separate area of the recording / reproducing IC 6 in response to the response message is performed, and the external lines L1 and L2 are released in step S26.

Next, in step S27, after the DC loops of the external lines L1 and L2 are closed by the loop closing circuit 2, the telephone number of the transfer destination is read out from the memory 15 and given to the dial circuit 3, whereby the dial circuit 3 is read. Causes the transfer destination number to be transmitted as a dial signal. And step S
The reverse detection circuit 12 determines whether or not the transfer destination has responded at 28.
, And if the response of the transfer destination can be detected, the process proceeds to step S29.

In step S29, it is determined whether or not the calling number received data is stored in the memory 15, and if the received data is stored, the number is given to the voice synthesizing IC 8 in step S30 to be output as a voice signal. Through the amplifier 10, the communication circuit 4, etc.
2 to the transfer destination. At the transfer destination that has heard the calling number by this voice signal, a dial operation is performed. Then
The PB signal of the operated dial arrives at the apparatus, is received by the PB receiver 9, and is transmitted to the CPU 1.

In this case, the CPU 1 determines that "PB signal reception" in step S31 is "Y", and determines in steps S32 and S35 whether the PB signal is a dial "1" or "2", respectively. If the dial number of the received PB signal is "1", the voice recording / reproducing circuit 7 is controlled in step S33 to reproduce the message in the recording / reproducing IC 6 and send it to the transfer destination. Then, in step S34, the loop closing circuit 2 is driven to open the DC loop of the external lines L1 and L2.

If the dialed digit of the received PB signal is "2", the external lines L1 and L2 are immediately set in step S34.
To open the DC loop. In this way, when an incoming call arrives, the calling number is received, and in response to the incoming call, the calling party's message is recorded, and the call is made to the transfer destination, and when the transfer destination answers, the calling number is notified to the transfer destination. In this case, the incoming call is identified. As a result, the transfer destination can listen to the business message from the partner as necessary.

If the PB signal is not received within a predetermined time after the notification of the calling number and the determination in step S36 is "Y", the outside line L is immediately determined in step S34.
The DC loop of L1 and L2 is released. If the calling number cannot be received at the time of the incoming call and the determination in step S29 is "N", the message is reproduced in the same manner as when the PB dial digit "1" is received, and then the outside line is released. Further, in the present apparatus, when the transfer release operation is performed and the determination in step S37 becomes “Y”, the transfer destination telephone number in the memory 15 is deleted, and the process ends. And in this case,
No transfer operation is performed when an incoming call arrives.

Next, FIG. 2 is a block diagram showing a second example of the transfer telephone apparatus, in which a transfer function is provided in the key telephone apparatus. Note that this key telephone device also has a function of receiving the calling number notified from the exchange at the time of an incoming call. As is well known, the key telephone apparatus comprises a main unit 100 and a plurality of key telephones 1101 to 110m. Main device 100 includes a plurality of external lines L11 to L1n.
And a CPU 101, a memory 102, a communication path switch 103, and external line interfaces 1041 to 104.
4n, and telephone interfaces 1061 to 106m are provided. The key telephone 110 is provided with a control unit 111, a transmission circuit 113, a display circuit 114, a communication circuit 116, and a keyboard including various keys.

In addition, the main device 1 has a
Number receiving circuits 1051 to 105n, which are means for receiving the above-mentioned calling number, are provided. The number receiving circuit 105 includes the above-described open-loop pole detection circuit 11, reverse detection circuit 12, modem 13, and PB receiver 9 Is included. In addition, the main device 1 is provided with a recording / reproducing unit 107 for recording / reproducing a message from the other party and a voice synthesizing unit 108 for notifying the received calling number to a transfer destination by a voice signal.

Now, the incoming call transfer operation of the key telephone apparatus configured as described above will be described with reference to the flowchart of FIG. In step S41, the CPU 101 determines whether an incoming call has been detected via the external line interface. And
When an incoming call is detected, an incoming call response process is executed. That is, the polarity inversion of the external line L1 sent from the exchange at the time of an incoming call,
And the ID receiving terminal activation signal, respectively, and
The DC loop is closed and returned to the exchange as a primary response signal. Then, it is determined in step S42 whether or not there is a notification of the calling number from the exchange side by the primary response signal. When the calling number is notified, it is received in step S43, stored in the memory 102, and the outside line L1 is released. .

After that, a call signal is sent from the exchange side. In response to the call signal, in step S44, another external line interface is driven to close a vacant DC loop of the other external line. Then, by reading out the telephone number of the transfer destination from the memory 102 and giving it to the external line interface, the transfer destination number is transmitted from the external line interface as a dial signal. In this way, the transfer destination is called.
Then, in step S45, it is determined whether or not the transfer destination has responded through the reverse detection circuit in the number receiving circuit 105. If the response of the transfer destination can be detected, the process proceeds to step S46.

In step S46, it is determined whether or not the calling number data received is stored in the memory 102. If the calling number is stored, the number is given to the voice synthesizing unit 108 in step S47, and By controlling the switch 103, the path between the transfer destination and the voice synthesizing unit 108 is connected, and the calling number is output as a voice signal to the transfer destination. The calling number based on this voice signal is heard at the transfer destination, and the transfer destination can recognize from whom. When a predetermined dial operation is performed at the transfer destination, this is received as a PB signal by the PB receiver 9 in the number receiving circuit 105 and transmitted to the CPU 101.

In this case, the CPU 101 determines in step S48
Is determined to be "Y" in step S4.
At S52 and S54, it is determined whether or not the received PB signal is a dial "1", a dial "2" and a dial "3", respectively. Here, if the dialed digit of the received PB signal is "1", in step S50 the external line interface of the incoming external line from which the call signal has arrived is controlled to capture the incoming external line and respond, and An external line transfer process for connecting the incoming external line under control and the outgoing external line connected to the transfer destination is executed. As a result, a call between the caller and the transfer destination is started. Then, when the call is completed, in step S51, each external line interface and the communication path switch 103 are controlled to release two external lines related to external line transfer and release a communication path therebetween.

If the received dial digit is "2" and the determination in step S52 is "Y", answering machine response processing is performed in step S53. That is, in this case,
After releasing the outgoing line connected to the transfer destination, respond to the incoming line. Thereafter, the communication path switch 103 and the recording / reproducing section 107 are controlled to send a response message to the transmitting side, and then the message from the transmitting side is recorded / reproduced by the recording / reproducing section 107.
To record. When the recording of the business message has been completed, the incoming call outside line and the call path are opened in step S51. In this case, the message can be reproduced later by sending the message to the device side at the transfer destination. If the dial number of the received PB signal is "3", a process of immediately opening the outgoing line is performed in step S51. In this case, the calling signal is continuously arriving at the incoming outside line, but the apparatus does not respond to the call signal, so the calling side abandons the call.

As described above, when an incoming call arrives, the calling number is received, and a call is made to the transfer destination using another outside line, and when the transfer destination answers, the calling number is notified to the transfer destination, and the call is received from anyone. Is to be identified. As a result, the transfer destination can make a call with the other party in response to the incoming call as necessary, or cause the apparatus to record a message of the other party. In addition, if there is an incoming call from the other party who does not want to answer, it can be set to no response.

If the PB signal cannot be received within a predetermined time after the notification of the calling number and the determination in step S55 is "Y", a process for immediately opening the DC loop of the external line is performed in step S51. . If the calling number cannot be received at the time of the incoming call and the determination in step S46 is "N", as in the case of receiving the PB dial digit "1", after answering the incoming outside line, this outside line becomes the transfer destination. Connected. Further, in the present apparatus, a transfer release operation is performed and step S
If the determination at 56 is "Y", the transfer destination telephone number in the memory 102 is deleted, and the process ends. In this case, the transfer operation is not performed even if an incoming call arrives.

As described above, even when an incoming line call is transferred, the destination number can be confirmed at the transfer destination, so that the transfer destination can judge whether or not to answer, and therefore, to the other party who does not want to answer. Can be dealt with by answering machine or disconnecting the line. In this embodiment, the calling number is transmitted to the transfer destination by a voice signal. However, if the transfer destination device includes a PB receiver or a modem, the calling number is transmitted by a PB signal or a modem signal in addition to the voice signal. The data can be transmitted and displayed on the display unit of the transfer destination. Further, in the first operation example shown in FIG. 2 and the second operation example shown in FIG. 4, after transmitting the calling number to the transfer destination, the PB signal from the transfer destination is received and the communication between the incoming external line and the outgoing external line is performed. The connection or the like is performed, but it is also possible to connect the incoming outside line and the outgoing outside line a predetermined time after sending the calling number to the transfer destination.

[0028]

As described above, according to the present invention, when a calling number, which is the telephone number of the calling side, is received when an outside line is received, and when a response of the transfer destination is detected when the outside line incoming call is transferred, the call is received. Send the calling party number to the forwarding destination and this calling party number
Sent from the destination based on the specified operation of the destination that confirmed the
The received signal is received and the operation according to the received signal is performed , so that the transfer destination can easily confirm in advance whether the incoming call response is possible. Also, at the transfer destination,
Can be selected by a predetermined operation. Further, since the sending means sends the calling number by voice signal, the calling number can be identified without providing any special means at the transfer destination . Also, since so as to connect the receiving a signal for permitting transfer from the transfer destination <br/> originating and destination, the transfer destination side
Then you can talk to the other party as needed . Ma
Receiving a signal indicating an answering machine response from the transfer destination
And a response message to the calling outside line,
Added message recording from outside line of calling party.
So, on the transfer destination side, if necessary, the other party's message
Can be recorded on the device.

[Brief description of the drawings]

FIG. 1 is a block diagram showing a first configuration example of a transfer telephone device according to the present invention.

FIG. 2 is a block diagram showing a second configuration example of the device.

FIG. 3 is a flowchart showing an operation of a main part of the apparatus shown in FIG. 1;

FIG. 4 is a flowchart showing an operation of a main part of the apparatus shown in FIG. 2;

FIG. 5 is a sequence diagram illustrating a notification function of a caller telephone number.

[Explanation of symbols]

1, 101 CPU, 2 loop closing circuit, 3 dial circuit, 6 recording / playback IC, 7 voice recording / playback circuit, 8 voice synthesis IC, 9 PB receiver, 11 open loop polarity detection circuit , 12 reverse detection circuit, 13 modem, 14 incoming call detection circuit, 15, 102 memory, 104 1 to 104
n: external line interface, 1051 to 105n: number receiving circuit, 107: recording / reproducing unit, 108: voice synthesizing unit. L
1, L2, L11 to L1n ... outside line.

Continuation of the front page (58) Field surveyed (Int.Cl. ⁷ , DB name) H04M 1/00 H04M 1/24 H04M 1/26-1/57 H04M 1/58-1/62 H04M 1/64-1 / 65 H04M 1/66-1/78 H04M 3/42 H04M 3/42 101-3/58

Claims (4)

(57) [Claims] 1. A transfer telephone device capable of transferring an incoming call to an external line arriving on an external line to a transfer destination based on an outgoing call from a caller, wherein the caller receives a caller number which is a telephone number of the caller when the external line arrives. Means for detecting a response of a transfer destination when the external incoming call is transferred; and sending means for sending the calling number received by the receiving means to the transfer destination when the detection means detects a response of the transfer destination. When rolling confirming the calling number sent by the sending means
The signal transmitted from the destination based on the specified operation of the destination
And a reception signal receiving means, receiving said signal receiving means
A transfer telephone device that performs an operation according to a signal output . 2. The transfer telephone device according to claim 1, wherein the transmitting means transmits the calling number by a voice signal. 3. An apparatus according to claim 1 or claim 2, when the signal receiving means receives a signal for permitting transfer,
A transfer telephone device comprising connection means for connecting a caller and a transfer destination . 4. The signal receiving means according to claim 1 , wherein said signal receiving means receives a signal indicating an answering machine response.
Sends a response message to the calling line
Answering machine that records a message from the outside line of the calling party
A transfer telephone device comprising control means .