JPH0683298B2 - Answering machine recording method - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION (1) Technical Field of the Invention The present invention relates to a signal channel which is accommodated in a digital network or a private network through a digital subscriber line for time-division multiplex transmission of two information channels and signal channels. The present invention relates to an answering machine recording method that realizes an answering machine recording by sharing the function with a processing node having a memory for storing voice by using the End-End data transfer function and two information channels.

(2) Conventional technology With the diversification of social life, a number of telephones with an answering machine have been announced, and in addition to the use as the original answering machine, it is considered to prevent unwanted calls and use as an answering machine.

As the newest type of this type of answering machine, a digital telephone intended for application to a digital network is considered (Japanese Patent Application No. 59-231943). This digital telephone sets the calling party number (calling
ID) notification function is used to collate with the own telephone number to selectively activate the answering machine function, that is, depending on the caller, and the voice recording function digitally encodes voice. Compared to conventional analog answering machines based on cassette tapes, such as accumulating signals in random access semiconductor memory such as RAM, it is highly functional and highly convenient. It had drawbacks.

There is a limit to the amount of voice storage memory that can be installed in a telephone (for example, 30-40
Second), and can only record answering machine for 1-2 calls at most.

Assuming that the first person's answering machine recording was 20 seconds, the second person's recording is possible for another 20 seconds in terms of memory, but the message does not always fit in 20 seconds and exceeds 20 seconds. Since the voice is discarded, there is an inconvenience that the caller intended to convey all but did not actually convey it.

Even if the answering machine answers selectively, not all callers record, but since there is no means to confirm the intention of the other party without answering the incoming call, the recording memory is often wasted. .

(3) Object of the Invention An object of the present invention is to provide a digital telephone which solves the above-mentioned drawbacks and which is highly convenient and has a small size and economically realized answering machine recording function capable of sufficiently guaranteeing its serviceability. It is in.

(4) Configuration of the Invention (4-1) Difference between Features of the Invention and Conventional Techniques The present invention is a function of transferring End-End data by two information channels and signal channels of a digital network or a digital private network (D channel).・ Packet or user data transfer) and caller ID notification function for incoming calls
In the case of the invention described in claim (1), when an incoming call is set in the answering machine, the caller's intention to record a message is inquired and confirmed without answering the incoming call, and then the incoming call is received. In response, at the same time, another information channel is used to automatically make a call connection to a processing node that has abundant memory for voice recording, and two information channels are connected to the sending and receiving cross inside the digital telephone, and the caller's digital signal is sent. In the case where the voice is recorded in the voice memory of the processing node, and in the case of the invention described in claim (2), similarly, after confirming the intention of the sender to record the message, the transmission of the processing node is performed. The requester sets up the information channel for recording a message and requests the digital telephone of the person side to record, and the processing node disconnects the outgoing information channel from the calling side and automatically switches to the incoming information channel from the processing node. It instructs the answer, and each most important feature to perform the message record of the caller.

(4-2) Embodiment FIG. 1 is a view for explaining an embodiment of a digital telephone of the present invention (corresponding to claim (1)), where 1 is an information channel (B ₁ , B ₂ ) and terminals for call connection between B ₁ and B ₂ −
An interface for terminating a digital subscriber line for time-division multiplexed transmission with a signal channel (D) carrying a control signal between networks, for assembling / disassembling a transmission frame (B ₁ + B ₂ + D) and controlling a D-channel signal frame. Circuit. 2 is composed of a microprocessor architecture and exchanges a call control signal with a digital exchange or a private branch exchange through a D channel, and an En of a D channel packet, user data, etc.
This is an input / output / signal control unit that controls the d-End communication control, input / output control, and in-device control. 2a is an automatic transmission / reception means for End-End data such as D channel / packet or user / transmission. 2d is a telephone number entered / registered as an electronic telephone directory and a caller number notified from the network side when receiving a call. (Calling ID) collation means, 2c is an automatic transmission / response means for the information channel. 3 is a full dot type display means, 4 is input means such as function keys and dials, 5 is a hook switch, 6
Is a storage means for storing / holding the electronic telephone directory data and the answer / no answer information for each number, 7 is a switch circuit for selecting _one of the B ₁ and B ₂ information channels, and 8 is an analog voice A codec circuit for performing encoding / decoding of, a call circuit, 10 a transmitter / receiver (handset), 11 a calling circuit, and 12 a sounder. Reference numeral 13 is an interconnecting means for cross-connecting the transmission and reception of two information channels, using the B ₂ channel between the processing node and the telephone, and the B ₁ channel between the originating telephone and the relay telephone. Form a path.

2 is a diagram for explaining an embodiment of the processing node of the present invention, in which 1 is an interface circuit similar to FIG.
0 is control means composed of processor architecture,
20a is E for D channel packet or user data
nd-End Data automatic transmission and receiving means, 20b is information channel automatic transmission and receiving means for _{(B 1, B 2),} 30 is a voice storing means for storing audio information digitally encoded.

Further, FIG. 3 is a signal frame configuration example of the D channel when call control signals for the B ₁ and B ₂ channels are exchanged between the terminal and the network, and FIG. 4 is D between the digital telephone and between the telephone and the processing node. It is an example of a signal frame structure of D channel when transferring End-End data using a channel packet.

Next, the operation will be described. To put the digital telephone in the answering machine mode, the function key of the input means 4 (for example, answering machine mode key) is pressed, and the control unit 2 detects it and enters the answering machine mode. When an incoming call is received during the setting of the answering machine, the control unit 2 recognizes the incoming call by the incoming call signal transmitted through the interface circuit 1 in the format shown in FIG. 3, and activates the collating means 2b to activate the incoming call signal. If the calling ID is compared with the telephone number stored in the storage means 6, and if the matching is found and answering machine answering is enabled, then the automatic transmission / reception means 2a is activated to make a first call based on the calling ID. An inquiry message for answering machine recording by the D channel packet shown in Fig. 4 (for example, "I am out of office. You can record your message. If you want to record, please press the"#"key.") Automatically transfer. Similarly, in the originating digital telephone, the automatic transmission / reception means 2a causes the D channel
The packet is received and the message is displayed on the display means 3.
Here, when the caller presses the "#" key, the control unit 2 of the calling side digital telephone detects it and determines that there is an intention to record. Similarly, the automatic transmission / reception means 2a is activated and a message to that effect is issued. Tell the recipient. On the receiving side, the control unit 2 confirms the intention of recording by the automatic transmission / reception means 2a, and then activates the automatic transmission / reception means 2a to the processing node to issue the recording command together with the calling ID and automatically. After activating the sending / answering means 2c and automatically sending to the processing node using another information channel, after confirming the response signal of the processing node (in the processing node, the control means 20 activates the automatic sending / receiving means 20b). Similarly, the automatic transmission / response means 2c is activated to respond to the incoming information channel, and the interconnection means 13 connects the two information channels to each other. Through this series of operations, 2
The one information channel establishes a path for voice communication between the originating digital telephone and the processing node. The processing node may send voice guidance for recording to the calling side using the path, and the voice uttered by the caller is stored in the voice storage means 30 as a digital signal. When the caller disconnects the call after finishing recording the message, the receiver 2 detects it by the disconnection signal, disconnects the call to the processing node, and ends the recording relay. In the processing node, the control means 20 ends the recording operation in response to the disconnection signal from the receiving side, and the telephone number of the receiving side and the calling ID of the calling side are similarly stored in the voice storing means 30 as the identifier of the recorded voice information. Remember. Further, the receiving side stores the incoming call and the presence or absence of the recording in the storage means 6, and when the answering machine mode setting person presses, for example, the answering machine read key of the input means 4, the arrival date and time, the calling ID and the presence or absence of the recording are displayed in the displaying means. Display in 3. Here, when, for example, the reproduction key of the input means 4 is further pressed, the control unit 2 activates the automatic transmission / reception means 2a to access the processing node, and the corresponding ID
A request for recording / playback is made, and the automatic transmission / response means 2c is activated to similarly transmit to the processing node. The processing node automatically responds by the automatic transmission / reception means 20b, reads the corresponding recording information from the voice storage means 30 based on the reproduction request, and sends it to the information channel. The recording sequence and the reproduction sequence described above are shown in FIGS. 5 and 6.

Next, FIG. 7 shows another embodiment of the digital telephone according to the present invention (corresponding to claim (2)), and 1 to 12 are the same as in FIG.

The operation of this embodiment is the same as that of the above embodiment up to the point of confirming the recording intention of the calling side. After confirming the intention of recording, in the case of the present embodiment, the control unit 2 activates the automatic transmission / reception means 2a to transfer the caller's caller ID to the processing node, and to use the command to change the information channel for recording. Make a recording request including settings. When the control unit 20 recognizes that by the automatic transmission / reception means 20a, the processing node activates the automatic transmission / reception means 20b to transfer the calling ID.
On the basis of the information channel, the originating digital telephone set is automatically transmitted, and at the same time, the automatic transmitting / receiving means 20a is activated to disconnect the information channel currently being transmitted to the originating side telephone set by the calling node and from the processing node. Instruct to respond to incoming calls.

On the calling side, the control unit 2 recognizes that by the automatic transmission / reception means 2a, activates the automatic transmission / response means 2c to interrupt the transmission, and automatically responds to the incoming call to the other information channel. At the same time, the information channel (outgoing channel) to which the voice input / output units of the elements 8, 9, and 10 were connected is switched to another information channel side. By the above operation, the information channel is directly set between the processing node and the calling telephone, and the recording becomes possible. Similarly, the recording is terminated by disconnecting the calling side. The above recording sequence is shown in FIG. The reproduction sequence is the same as in FIG.

In the above description, D is used as the End-End data transfer function.
Although the case of using the channel packet has been mentioned, it can be similarly realized by using the user data transfer function (CCIT.
See Recommendations I.430, I.441, and I.451).

(5) Effects of the Invention As described above, according to the present invention, in the digital telephone, the calling ID is collated with the own telephone directory and the number to selectively and confirm the intention of the caller to record. The above-mentioned answering machine recording operation is started, and the recorded voice information is stored in the processing node side having a large amount of memory. Therefore, an advanced answering machine recording service can be realized without impairing serviceability. Further, in order to effectively use various functions of the D channel of the digital network, the above-mentioned answering machine recording function can be realized only by the hardware which the digital telephone basically has, and without the voice memory. It has the advantage that it can be made more compact and economical.

[Brief description of drawings]

1 is an embodiment of a digital telephone according to the present invention, FIG. 2 is an example of a processing node configuration, FIG. 3 is an example of a D channel signal frame configuration when a call control signal is transmitted and received, and FIG. 4 is a D channel packet. 5 shows a D-channel signal frame configuration example, FIG. 5 shows a recording sequence, FIG. 6 shows a reproduction sequence, FIG. 7 shows another embodiment of the digital telephone of the present invention, and FIG. 8 shows the case of the digital telephone shown in FIG. Is a recording sequence of. In the figure, 1 ... interface circuit, 2 ... input / output / signal control unit, 2a ... end-end data automatic transmission / reception means,
2b …… Sending ID collation means, 2c …… Automatic transmission / response means for information channels, 3 …… Full dot type display means, 4…
… Input means, 5 …… Hook switch, 6 …… Storage means, 7 ……
Switch circuit, 8 …… Codec circuit, 9 …… Call circuit, 10
...... Transmitter / receiver, 11 …… Calling circuit, 12 …… Sounder, 13
...... Interconnection means for two information channels, 20 ...... Control means, 20a ...... End-End data automatic transmission / reception means, 20b ......
Automatic transmission / reception means for information channels, 30 ... Voice storage means.

Claims (2)

[Claims] 1. An information channel (B ₁ , B ₂ ch) for transmitting and receiving digitally encoded voice information and a signal channel (Dch) for transmitting and receiving control signals related to call connection are time-division multiplexed. It is connected to a digital subscriber line and provides at least one of End-End low-speed data packet (Dch packet) transfer function or End-End user data transfer function by the above-mentioned signal channel, and it is issued at the time of incoming call activation and before the response of the receiving side. In a digital telephone and a processing node accommodated in a digital network or a local network for transmitting a caller number (calling ID), the digital telephone includes input means such as function keys and dials, display means, name and telephone number. Storage means for storing and holding telephone directory data, and means for collating the calling ID notified from the network side when receiving a call with the telephone number stored in the storage means , Automatic end-end data transmission / reception means using D channel packet or user data transfer function provided in the network, automatic transmission / response means for the information channels (B ₁ , B ₂ ), the two information Channel (B ₁ , B
₂ ) An interconnection means for connecting transmission / reception in a cross manner, wherein the processing node is a voice accumulation means for accumulating digitally encoded voice information, and End-End by the D channel.
It has an automatic data transmission / reception means and an automatic transmission / reception means for the information channel, and when the digital telephone receives an incoming call when it is set to the answering machine mode, the calling ID notified from the network at the time of the incoming call and the telephone number in the telephone directory are displayed. When the collation is successful and the collation is successful, the sender is inquired of the intention of recording the message by the End-End data through the D channel, and when the sender's recording intention is confirmed, the information channel during the incoming call is Automatically transmitting to the processing node using another information channel, and when the processing node responds, automatically responds to the incoming information channel, and connects the two information channels in a cross manner, Is an answering machine recording system characterized by accumulating the digitally encoded voice of the caller transmitted through the digital telephone. 2. An information channel (B ₁ , B ₂ ch) for transmitting and receiving digitally encoded voice information and a signal channel (Dch) for transmitting and receiving control signals related to call connection are time division multiplexed. It is connected to a digital subscriber line and provides at least one of End-End low-speed data packet (Dch packet) transfer function or End-End user data transfer function by the above-mentioned signaling channel, and it is issued before the incoming call side response at the time of incoming call activation. In a digital telephone and a processing node accommodated in a digital network or a local network for transmitting a caller number (calling ID), the digital telephone includes input means such as function keys and dials, display means, name and telephone number. Storage means for storing and holding telephone directory data, a collator for checking the calling ID notified from the network side when receiving a call and the telephone number stored in the storage means , End-End Data automatic transmission and reception means using the D channel packet or user data transfer function provided by the network, and a automated transmission and receiving means for the information channel (B _1, B _2), The processing node is a voice storage unit that stores digitally encoded voice information, and End-End by the D channel.
It has an automatic data transmission / reception means and an automatic transmission / reception means for the information channel, and when the digital telephone receives an incoming call when it is set to the answering machine mode, the calling ID notified from the network at the time of the incoming call and the telephone number in the telephone directory are displayed. When the collation is successful, the sender is inquired of the intention of recording the message by the End-End data via the D channel, and when the sender's recording intention is confirmed, by the End-End data of the D channel. The caller's caller ID is transferred to the processing node and an answering machine recording request is made. At the process node, the caller's digital telephone is automatically sent to the information channel based on the transferred caller ID. The end-to-end data of the channel is used to instruct the caller to disconnect the outgoing information channel and to automatically respond to the incoming information channel from the processing node. Answering system, characterized by storing the speech is digitally encoded callers by setting information channel.