JP3334253B2 - Video communication device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a video communication device such as a moving picture videophone.

[0002]

2. Description of the Related Art In recent years, international standardization of image coding systems has been
With the spread of SDN and the realization of easy and low running cost utilization of high-speed digital transmission paths, video communication devices such as video telephones have begun to be issued by various companies. Hereinafter, a conventional video telephone will be described.

FIG. 5 is a block diagram of a conventional video communication device. In the figure, 1 is a camera (image input means) for photographing a self image, 2 is a monitor (image display means) for displaying an image from the other party or self image, 3 is a receiver for talking with the other party, 4 is a camera. A video codec means for compressing / encoding the video data fetched from 1 or decompressing / decoding the compressed / encoded image data so that the video data can be displayed on a monitor 2; Voice codec means for compressing / encoding or decompressing / decoding compressed / encoded audio data so that the receiver 3 can listen to the data; multiplexing means 6 for simultaneously transmitting video / audio data over a line; Multiplexing / demultiplexing means for separating multiplexed video / audio data received from the line;
Line interface means (communication interface means) for connecting a videophone to the SDN line, key operation means 8 for inputting telephone numbers and selecting functions, 9
Is terminal control means for controlling the whole telephone based on the input from the key operation means 8.

[0004] The operation of the videophone constructed as described above will be described below, taking an incoming call as an example.

First, if the line interface means 7
An incoming call is recognized by receiving a call setting message from the DN line. The line interface means 7 analyzes the message and, if it is confirmed that the calling terminal is a videophone, notifies the terminal control means 9 of the incoming call. In response to this, the terminal control means 9 sounds a ringing tone to notify the user. When the user responds, the terminal control means 9 recognizes it and instructs the line interface means 7 to send a response message to the ISDN. According to the instruction, the line interface means 7
By sending a response message to the SDN, the connection with the other party is completed.

After the connection is completed, the video from the camera 1 is compressed and encoded by the video codec means 4, the voice from the receiver 3 is compressed and encoded by the audio codec means 5, and multiplexed by the multiplexing / demultiplexing means 6. The video / audio data from the other party which is sent over the line from the line interface means 7 and received by the line interface means 7 is separated into image data and sound data by the multiplexing / separating means 6,
The video data is decompressed and decoded by the video codec 4 and displayed on the monitor 2, and the audio data is decompressed and decoded by the audio codec 5 and output from the receiver 3.

[0007]

However, in the above conventional videophone, when the connection is completed irrespective of the user's intention, the image on the own side is displayed on the videophone on the other side. There was a problem that it bothered and awkward than a normal voice-only phone.

Accordingly, an object of the present invention is to provide a video communication apparatus in which a calling party can identify who is at the time of an automatic response.

[0009]

According to the present invention, there is provided a video communication apparatus comprising:
Automatically responds to incoming call requests.
A message such as a name that can be known to the caller, and then
Information about the operation of the caller to the caller,
Call of the terminal when a signal indicating
Make a beep to notify you of an incoming call and then answer
Is provided with a control means for starting a telephone call when the above operation is performed.

[0010]

According to the present invention, when an incoming call is received,
The receiving videophone automatically receives a call and sends a message such as a name so that the calling party can identify who the calling party is. You can choose.

[0011]

(Embodiment 1) Next, an embodiment of the present invention will be described with reference to the drawings.

FIG. 1 is a block diagram of a video communication apparatus according to an embodiment of the present invention. In the figure, reference numeral 10 denotes an automatic answering means for automatically answering a call when there is an incoming call request.
Reference numeral 1 denotes a name message control means for displaying a message such as a name so that the calling side can identify who the calling party is at the time of the automatic response and information on the subsequent operation. 1 is a camera, 2 is a monitor, 3 is a receiver, 4 is a video codec, 5 is an audio codec, 6 is a multiplexing / demultiplexing unit, 7 is a line interface unit, 8 is a key operation unit, and 9 is a terminal control. By means, these are the same as the configuration of the conventional example. FIG. 2 is a flowchart of the video communication device incoming call processing according to one embodiment of the present invention.

The operation of the videophone constructed as described above will be described with reference to FIGS.

First, the line interface means 7
Upon receiving the call setup message from the DN, the incoming call is known, the message is analyzed (step 1), and it is determined whether the calling terminal is a videophone (step 2). If the calling terminal is not a videophone, the incoming call is rejected or ignored (step 9). If it is confirmed that the calling terminal is a videophone, the automatic answering means 10 automatically receives a call (step 3).

[0015] Then, the name message control means 11 sends a message such as a name that the caller can recognize to identify who it is, and information about the subsequent operation. Is transmitted through the video codec means 4 (step 4). When answering, an answering machine message is output and a message is accepted according to the answering machine setting. When the calling party confirms this message, if the contact information is correct according to the message, pressing the dial 1 causes
You can select a call with the other party.

The automatic response means 10 is a voice codec means 5
When a DTMF tone of dial 1 is received from the calling side through (step 5), a ringing tone of the terminal is sounded to notify that there is an incoming call (step 6). Thereafter, the speaker picks up the receiver 3 and starts talking according to the conventional communication procedure (step 7).

In other cases, the automatic response means 10
If a DTMF tone other than dial 1 from the calling side is received from the calling side through the voice codec means 5, or if a predetermined time has elapsed or the call is disconnected (step 5), it is regarded as a wrong call (step 8) and the processing is terminated. Perform processing.

(Embodiment 2) FIG. 3 is a block diagram of a video communication apparatus according to another embodiment of the present invention. In the figure, reference numeral 10 denotes an automatic response means for automatically answering a call when there is an incoming call request, and 11 denotes who is at the time of the automatic response.
Name message control means for displaying a message such as a name and information on the subsequent operation so as to be understood by the calling side, and 12 is a message message control means for displaying a message for accepting only a message and information on the subsequent operation. It is. FIG. 4 is a flowchart of the incoming call processing of the video communication device according to another embodiment of the present invention.

The operation of the videophone constructed as described above will be described with reference to FIGS.

First, the line interface means 7
Upon receiving the call setup message from the DN, the incoming call is known, the message is analyzed (step 1), and it is determined whether or not the calling terminal is a videophone (step 2). If the calling terminal is not a videophone, the incoming call is rejected or ignored (step 9). If it is confirmed that the calling terminal is a videophone, the automatic answering means 10 automatically receives a call (step 3).

After that, the name message control means 11 sends a message such as a name that the caller can identify to whom it is, and information about the subsequent operation. Is transmitted through the video codec means 4 (step 4).

In addition, the message message control means 12 sends a message that accepts only a message and information on the subsequent operation, such as "If you want to input a message, dial 2
Please press Is transmitted through the video codec means 4 (step 10). When answering, an answering machine message is output according to the answering machine setting, and a message is accepted.

On the calling side that confirms this message, if the contact is correct according to the message, the user can press the dial 1 to select a call with the other party. In addition, when the called user does not answer the call (for example, when he / she forgets to answer at the receiving side) despite the ringing sound caused by pressing the dial 1 described later, or when the calling side receives only the message. When the user feels good, the user can input a message by pressing the dial 2.

The automatic response means 10 is a voice codec means 5
When a DTMF tone of dial 1 is received from the calling side through (step 5), a ringing tone of the terminal is sounded to notify that there is an incoming call (step 6). Thereafter, the talker picks up the receiver and starts talking according to the conventional communication procedure (step 7).

The automatic response means 10 is a voice codec means 5
When the DTMF sound of the dial 2 from the calling side is received from the calling side (step 5), the message is recorded on a tape or the like (step 11), and termination processing is performed.

In other cases, the automatic response means 10
If a DTMF tone other than dials 1 and 2 from the calling side is received from the calling side through the voice codec means 5, a predetermined time or more has elapsed, or the call has been disconnected (step 5), it is regarded as an incorrect call (step 8). ) Perform termination processing.

[0027]

As described above, according to the present invention, when an incoming call is received, the video communication apparatus itself automatically receives an incoming call,
Since the message such as the name is sent to the calling party so that the calling party can understand it, the calling party can determine whether or not the contact information is correct by checking the message without the intervention of the called party, so that a wrong call can be made. Can be prevented. In addition, since only a message can be transmitted without calling directly, communication can be performed in accordance with the requirements.

[Brief description of the drawings]

FIG. 1 is a block diagram of a video communication device according to an embodiment of the present invention.

FIG. 2 is a flowchart of a video communication device incoming call process according to an embodiment of the present invention;

FIG. 3 is a block diagram of a video communication device according to another embodiment of the present invention.

FIG. 4 is a flowchart of an incoming call process of a video communication device according to another embodiment of the present invention.

FIG. 5 is a block diagram of a conventional video communication device.

[Description of Signs] 1 camera 2 monitor 7 line interface means 10 automatic response means 11 name message control means 12 message message control means

──────────────────────────────────────────────────続 き Continued on front page (58) Field surveyed (Int.Cl. ⁷ , DB name) H04N 7/14

Claims (3)

(57) [Claims] A video communication apparatus having video input means, video display means, and communication interface means for transmitting video data to a communication line or receiving video data, automatically responds to an incoming call request. And who is on his side
A message such as a name that can be known to the caller, and then
Information about the operation of the caller to the caller,
Call of the terminal when a signal indicating
Make a beep to notify you of an incoming call and then answer
A video communication device, comprising: control means for starting a telephone call when the above operation is performed . 2. An incoming call response automatically when an incoming call request is made.
Automatic answering means and a name by which the calling party knows who is at the time of the automatic answering
Display information about previous messages and subsequent actions
Name message control means, wherein the automatic response means indicates a ringing tone request from a calling side.
When a signal is received, ring the
Signal that there is a call
If a certain period of time has passed without being
Is characterized as performing a termination process by regarding it as a wrong call.
The video communication device according to claim 1, wherein: 3. A message message control means for displaying a message for accepting only a message and information on the subsequent operation, wherein the automatic response means indicates a message recording request from the calling side.
Message is received, a message is recorded and the
The video communication device according to claim 1, wherein the video communication device performs the processing.