JP2013070171A - Television telephone apparatus - Google Patents

Abstract

PROBLEM TO BE SOLVED: To allow a television telephone apparatus having a multi-party speech function to discriminate the priority orders of speech opposite parties and control the display mode of the images of the speech opposite parties in accordance with the priority orders.SOLUTION: A television telephone apparatus 1 discriminates the telephone types of plural telephone apparatuses of plural speech opposite parties on the basis of the telephone numbers of the telephone apparatuses, discriminates the priority orders of the telephone apparatuses of the speech opposite parties on the basis of the telephone types of the speech opposite parties, and determines the display mode of the images the speech opposite parties in accordance with the priority orders. An image controller 11d displays on a display 13 the images received from the telephone apparatuses of the opposite parties on the basis of the determined display modes.

Description

  The present invention relates to a videophone device and a communication method for making a call while looking at the face of a call partner by combining a telephone, a camera such as a video camera, and a display device such as a video monitor, and more particularly, a three-party call. The present invention relates to a videophone device having a multi-party call function such as a function, wherein the priority order of the other party is determined and the display mode of the image of the other party is controlled according to the priority order. is there.

  In general, a telephone device is used to make a call between two arbitrary parties. However, a function is also provided in which a third party is called during a call between the two parties to make a call between the three parties. For example, in the following Patent Document 1 (Japanese Patent Application Laid-Open No. 2004-222194), a three-party call is performed using a telephone device that can be connected to a plurality of call lines including a digital call line for performing a telephone call by digital data communication. Technology is disclosed.

  The telephone device includes a mixing means, a third call start means, and a three-party call control means. The mixing means receives from a single call line when performing a telephone call over a plurality of call lines. In addition to the voice to be transmitted to another call line, the third call starting means puts the call between the two parties on hold and starts the call with the third party during the call between the two parties. The three-party call control means is configured to resume the call between the two parties who are in the hold state. Further, the three-party call control means receives the voice received from the other party in addition to the voice transmitted to the other party of the call to be resumed, the voice of the third party received in the call started by the third call starting means. The mixing means is controlled so as to be added to the voice transmitted to the three parties, and a mutual call between the three parties is started.

  On the other hand, there is also provided a videophone device that makes a call while looking at the face of the other party by combining a phone, a camera such as a video camera, and a display device such as a video monitor. For example, the following Patent Document 2 (Japanese Patent Laid-Open No. 2008-160295) discloses a videophone system configured to synthesize and transmit a background image and a person image. This videophone system is configured to use a stored background image without displaying the background of the caller as video.

  Furthermore, in the following Patent Document 3 (Japanese Patent Laid-Open No. 03-35680), by configuring the videophone device to be able to send and receive audio and image information between two counterpart terminals (videophone device), There is disclosed an invention of a videophone device in which each user can make a call while simultaneously watching a person's image of the user at the other two points with three videophone devices at one point between three points. .

  In recent years, so-called IP telephone systems that use electronic devices that can be connected to each other through the Internet network and can communicate by transmitting and receiving voice data to each other have been widely used. As IP telephone devices used in the IP telephone system, IP videophones equipped with cameras such as video cameras and digital cordless IP telephone devices having a plurality of slave units are also provided.

JP 2004-222194 A JP 2008-160295 A Japanese Patent Laid-Open No. 03-35680

  According to the telephone devices disclosed in Patent Document 2 and Patent Document 3 described above, when a three-party call is performed using a videophone device, an image of the other two parties that are the other party of the call is displayed on the display screen, You can talk while watching the expression.

  In particular, in the telephone device disclosed in Patent Document 3, the image of one speaker is displayed in addition to the display mode in which the images of the other two parties who are the other parties are the same size and are displayed side by side. Is displayed larger than the image of the other speaker, or an image of one speaker is displayed in a superimposed manner so that it is in front of the image of the other speaker. Yes.

  By the way, when displaying the images of the other two parties who are calling parties, one speaker is a customer who is on an outside line call and the other speaker is an internal company who is participating in the call on an extension There are various relationships with the other party. If one speaker is a customer and the other speaker is an internal employee, the customer image is displayed larger than the internal image, or the customer image It is preferable to make a call while observing the facial expression or the like more accurately by displaying it on the front.

  However, in the telephone device disclosed in Patent Document 3, the image of one speaker is simply displayed larger than the image of the other speaker, or the image of one speaker is displayed as the image of the other speaker. Only an example of a display mode in which the images are displayed so as to be in front of each other is disclosed, and it is considered how to determine the display mode of the images of the other two parties that are the other party of the call. However, there is a problem that it is not clear how the user uses this display function.

  The present invention has been made to solve the above problems, and in a videophone device having a multi-party call function such as a three-party call function, the priority order of the other party is determined and the priority order is determined. It is an object of the present invention to provide a videophone device that can control the display mode of an image of a speaker of a call partner.

  In order to solve the above-mentioned problem, the invention according to claim 1 of the present application is a videophone device having a multi-party call function, wherein the videophone device has a multi-party call function, and a plurality of call partners. A display unit that displays an image received from the telephone device, and an image control unit that controls a display mode of an image displayed on the display unit. Determine the telephone type of the plurality of telephone devices based on the telephone number, determine the priority order of the telephone devices of the other party of the plurality of calls based on the telephone type of the other party of the plurality of calls, and according to the priority order Determining the display mode of the images of the speakers of the other party of the plurality of calls, and the image control unit displays the images received from the telephone devices of the other party on the display unit based on the determined display mode To do The features.

  Further, the invention according to claim 2 of the present application is the videophone device according to claim 1, wherein the telephone type of the telephone device of the other party of the plurality of calls is a telephone device connected to an external line and a telephone device connected to an internal line. In some cases, the priority order of telephone devices of the telephone type connected to the outside line is set higher than the priority order of telephone devices of the telephone type connected to the internal line.

  Further, the invention according to claim 3 of the present application is that the videophone device according to claim 1 or claim 2 is received from a telephone device having a higher priority when the priority order of the other party's telephone devices is different. The speaker's image is displayed in a larger image than the speaker's image received from the telephone device with the lowest priority.

  Further, the invention according to claim 4 of the present application is that, in the videophone device according to claim 3, when the priority order of the telephone devices of the other party of the plurality of calls is different, The image is larger than the image of the speaker received from the telephone device with the lower priority order, and the image of the speaker received from the telephone device with the lower priority order is received from the telephone device with the higher priority order. It is characterized by being superimposed on a part of the image.

  In the videophone device according to the present invention, in a videophone device having a multi-party call function such as a three-party call function, the priority order of the other party is determined and the image of the other party's speaker is displayed according to the priority order. It becomes possible to control the aspect.

  In the invention according to claim 1, the videophone device determines the telephone type of the plurality of telephone devices based on the telephone numbers of the telephone devices of the other party of the plurality of calls, and sets the telephone type of the other party of the plurality of calls. Based on the priority of the telephone devices of the other party of the plurality of calls, and determines the display mode of the image of the speaker of the other party of the plurality of calls according to the priority order, the image control unit is determined Based on the display mode, the image received from the telephone devices of the other party is displayed on the display unit.

  According to a second aspect of the present invention, in the videophone device according to the first aspect, when the telephone type of the telephone device of the other party of the plurality of calls is a telephone device that is internally connected to a telephone device that is externally connected, The priority order of telephone devices of the connected telephone type is set higher than the priority order of telephone devices of the telephone type connected by extension.

  In the invention according to claim 3, in the videophone device according to claim 1 or claim 2, when the priority order of the telephone devices of the other party of the plurality of calls is different, the speaker received from the telephone device with the higher priority order The image is displayed in a larger image than the image of the speaker received from the telephone device with the lowest priority.

  In the invention according to claim 4, in the videophone device according to claim 3, when the priority order of the telephone devices of the other party of a plurality of calls is different, the image of the speaker received from the telephone device with the higher priority order is given priority. One of the images of the speaker received from the telephone device with the higher priority is set to be larger than the image of the speaker received from the telephone device with the lower priority. Overlaid on the part.

  According to such a configuration, for example, if one speaker who is the other party of a three-party call is a customer who is on an outside line call and the other speaker is an internal party participating in the call on an extension line, The priority order of the customer is set higher than that of the related party, and the image of the speaker of the IP telephone with the higher priority order is controlled to be displayed in a larger image than the image of the speaker of the IP telephone apparatus with the lower priority order. Therefore, the image of the customer who is on the outside line can be displayed larger than the image of the person concerned in the company, and the call can be made while observing the expression etc. more accurately.

It is a figure which illustrates the structure of the video telephone system with which the video telephone apparatus concerning this invention is applied. It is a figure which shows the structure of the video telephone apparatus shown in FIG. 2 is a flowchart showing an operation of the videophone device shown in FIG. It is a figure which shows an example of the display mode of the image of the speaker displayed on a screen, (a), (b), (c) shows an example which displays an image of a speaker in a respectively different display mode. It is a figure which shows another example of the display mode of the image of the speaker displayed on a screen.

  Hereinafter, specific examples of the present invention will be described in detail with reference to examples and drawings. However, the following embodiments are described by exemplifying a videophone device and a communication method for embodying the technical idea of the present invention, and the present invention is specified to the videophone device and the communication method. However, the present invention is equally applicable to a digital cordless telephone system and other telephone devices without departing from the technical concept shown in the claims.

  FIG. 1 is a block diagram showing a configuration of a videophone system including an IP telephone apparatus according to the present invention. This system includes at least an IP telephone device 1, a wired LAN 41, an IP telephone router 51, a broadband router 52, a gateway 53, an IP telephone network 61, the Internet 62, a PSTN network 63 (Public Switched Telephone Network), and a subscription. A person telephone device 71 is included. In this embodiment, the videophone system using the IP telephone device 1 having the three-party call function will be described as an example. However, the present invention is not limited to this and has a multi-party call function such as a three-party call function. As long as it is a videophone device, a configuration using a videophone device such as a general subscriber phone device or a digital cordless phone device may be used.

  The IP telephone device 1 of the present invention is a telephone device that can be connected to an IP communication network. The IP telephone device 1 is capable of voice communication via the telephone network by being connected to the wired LAN 41. The IP telephone device 1 can also have a function of receiving an emergency earthquake bulletin distributed by the Japan Meteorological Agency via the Internet 62. The details of the internal structure of IP telephone apparatus 1 will be described later.

  The wired LAN 41 is a local network in which the videophone device 1, the IP telephone router 51, the broadband router 52, the gateway 53, and the like are connected by wire. Each of the above devices can communicate with each other by being connected to the wired LAN 41. Examples of physical means constituting the wired LAN 41 include 10BASE-T (standardized as IEEE802.3i) and 100BASE-TX (standardized as IEEE802.3u) using a twisted pair cable.

  The IP telephone router 51 and the broadband router 52 are network relay devices for interconnecting a plurality of IP networks. Specifically, a part of the protocol of the network layer (third layer) and the transport layer (fourth layer) in the OSI (Open Systems Interconnection) reference model is analyzed and transferred.

  In this embodiment, the IP telephone router 51 has a role of connecting two IP networks of the wired LAN 41 and the IP telephone network 61 to each other. The broadband router 52 has a role of connecting two IP networks of the wired LAN 41 and the Internet 62 to each other.

  The gateway 53 is a protocol converter for interconnecting networks having different protocol systems. For example, the gateway 53 connects the wired LAN 41 and the PSTN network 63 and performs signal conversion using a signaling protocol such as SIP, thereby enabling communication between both networks.

  The IP telephone network 61 is a communication network using VoIP (Voice over Internet Protocol) technology for part or all of the telephone network, and FTTH (Fiber To The Home) and ADSL (Asymmetric Digital Subscriber Line) are used as communication lines. A so-called broadband line is used.

  Note that VoIP is a technique in which voice is compressed by various encoding methods, converted into packets, and transmitted in real time over an IP network. As a result, the IP telephone network 61 can provide a videophone service for transmitting and receiving images in addition to a voice call service.

  The Internet 62 is a wide area communication network constructed by interconnecting networks based on communication protocols. An international communication network is constructed by interconnecting large and small computer networks. As a communication protocol, TCP / IP is mainly adopted as a standard protocol.

  The PSTN network 63 is a general subscriber telephone line network. It is used to make a voice call by connecting a telephone device to the end and connecting to a communication partner by a circuit switching method. The subscriber telephone device 71 is a telephone device that allows a telephone subscriber to make a voice call with another subscriber telephone device or a videophone device using the PSTN network 63.

  FIG. 2 is a block diagram showing the inside of IP telephone apparatus 1 shown in FIG. The IP telephone device 1 includes at least a control unit 11, a memory 12, a display unit 13, an operation unit 14, a communication control unit 15 (= communication unit), a camera 16, an audio signal processing unit 17, a speaker 18, and a microphone 19. It is configured. The camera 16 may capture a moving image or may capture a still image at a predetermined time interval.

  The control unit 11 controls the respective units of the IP telephone device 1 to centrally control communication control processing (sending / receiving voice data, making a call, detecting incoming calls, three-party calls). It is. The control unit 11 includes a call control unit 11a to a transmission control unit 11c and an image control unit 11d as functional units realized by executing a program on the arithmetic processing device included in the control unit 11.

  The accepting unit 11b accepts an operation (hereinafter referred to as “information sending operation”) for designating character information that the user wants to send by the operating unit 14. Specifically, for example, the accepting unit 11b displays the telephone directory data recorded in the memory 12 on the display unit 13, thereby shifting to a standby state for an information transmission operation. In this state, when information included in the displayed phone book data, such as an e-mail address or URL, is selected, the selected content is notified to the next image generation unit (not shown).

  The transmission control unit 11c instructs the call control unit 11a to transmit an image generated by an image generation unit (not shown) to the connection destination of the call line.

  The call control unit 11a includes a tone detection unit 11a1 and a mixing unit 11a2. The tone detection unit 11a1 calls call progress stones (CPT sound) from other telephone devices that are performing a three-party call during a three-party call. ) Is detected. Call progress stones include, for example, DT (dial tone), RBT tone (ringback tone), and BT (busy tone).

  The mixing unit 11a2 inputs the voice received from the other telephone device (the other first telephone device or the second telephone device) making the three-party call and the microphone of the own telephone device during the three-party call. The mixed sound is mixed. The voice mixed by the mixing unit 11a2 is transmitted via the communication control unit 15 to another telephone device (another second telephone device or first telephone device) that performs a three-party call. .

  The memory 12 is a medium for temporarily recording various data held by the IP telephone device 1 and is configured by, for example, a writable RAM (Random Access Memory).

  The memory 12 serves as a buffer memory for temporarily recording processing data when various communication control processes are performed by the control unit 11, instruction commands received from the user, and the like. It has a role of recording telephone book data in which information is recorded and processing data generated by various controls, for example, a captured image captured by the camera 16.

  The display unit 13 receives various information held by the IP telephone device 1, for example, an image captured by the camera 16 in another IP telephone device and displays it to the user. The received image is controlled by the image control unit 11d as described later. The telephone device of the other party of the call is not limited to the IP phone device, and may be a video phone device having a three-party call function, and may be a general landline phone device or a cordless phone device. As the display unit 13, for example, it is preferable to use a small and low power consumption display device such as a liquid crystal panel.

  The operation unit 14 is used for a user to perform various operations for performing communication using the IP telephone device 1, for example, input of a telephone number of a partner with whom a call is made. The operation unit 14 is generally composed of a plurality of operation buttons such as numeric buttons and redial buttons.

  The operation unit 14 has a function button for selecting a three-party call function. When the three-party call function is selected, a hold process or a call process for a three-party call is performed, and a three-party call start process is performed. Can do. When the display unit 13 has a touch panel function, the display unit 13 can function as the operation unit 14, and the selection of the three-party call function can be assigned to the soft key displayed on the display unit 13. it can.

  The communication control unit 15 is a communication interface for connecting the IP telephone device 1 to the wired LAN 41. The communication control unit 15 can perform incoming call processing, outgoing call processing, and the like in the IP telephone system by communicating with a call control server (not shown) connected to the wired LAN 41.

  The audio signal processing unit 17 performs a decoding process on the audio data input by the communication control unit 15 and provides the audio signal to the speaker 18. In addition, the audio signal processing unit 17 gives the communication control unit 15 audio information generated by performing a predetermined encoding process on the audio signal input from the microphone 19 and audio information recorded in advance in the memory 12. As a result, the voice information is transmitted to another telephone device connected through the wired LAN 41, the wireless communication network 42, the IP telephone network 61, or the like.

  In general, a three-party call is performed according to the following procedure. For example, a description will be given of a procedure in which IP telephone apparatus A and IP telephone apparatus B add IP telephone apparatus C during an outside line call and start a three-party call. Here, an example will be described in which IP telephone apparatus B is connected to IP telephone apparatus A by external line, and IP telephone apparatus C is a terminal connected to IP telephone apparatus A by extension.

  When IP telephone apparatus A makes an external line call to IP telephone apparatus B, IP telephone apparatus A generates a call path (external line connection path) for a two-party call with IP telephone apparatus B, whereby IP telephone apparatus A And the IP telephone apparatus B start a two-party call. In this state, when the user of the IP telephone apparatus A causes the IP telephone apparatus C to interrupt the call as the third telephone apparatus, the user of the IP telephone apparatus A makes a hold request for the IP telephone device B, and the IP telephone device A receives the hold request and puts IP telephone apparatus B on hold.

  Here, when the IP telephone apparatus C added to the three-party call is, for example, a colleague or a superior terminal of the user of the IP telephone apparatus A, the IP telephone apparatus C that interrupts the call can make a three-party call. If the IP telephone device C can make a three-party call after visually confirming whether it is in a state (whether the user of the IP telephone device C is not talking or not), the IP telephone device B may be put on hold.

  Next, the user of IP telephone apparatus A makes a call to IP telephone apparatus C using IP telephone apparatus A, calls IP telephone apparatus C, and confirms the response from IP telephone apparatus C. When the response from the IP telephone apparatus C is confirmed, a call path for a two-party call with the IP telephone apparatus C is generated, whereby a telephone conversation between the IP telephone apparatus A and the IP telephone apparatus C is started. . Next, when the user of IP telephone apparatus A releases the hold of IP telephone apparatus B, IP telephone apparatus A generates a call path for a three-party call between IP telephone apparatus B and IP telephone apparatus C, thereby A three-party call is started by IP telephone apparatus A, IP telephone apparatus B, and IP telephone apparatus C.

  When there is a call connection control server that performs connection control for outgoing calls and incoming calls from IP telephone apparatus A, connection control of IP telephone apparatus B (generation of a two-party call path), holding of IP telephone apparatus B, The call connection server performs release of hold, connection control of the IP telephone device C, and generation of a three-party call path including the IP telephone device C in response to a request from the IP telephone device A. As the call connection control server, a SIP server based on SIP (Session Initiation Protocol), which is a typical call control protocol of a VoIP (Voice over Internet Protocol) system, can be used.

  When the three-party call is started in this manner, the IP telephone device 1 according to the present invention receives the images of the respective speakers captured by the camera 16 in the other IP telephone device that is the other party of the three-party call. Then, the display mode of these images is controlled by the procedure described below and displayed on the display unit. Here, a speaker of another IP telephone apparatus A that is the other party of the three-party call will be described as A, and a speaker of another IP telephone apparatus B will be described as B.

  In the present invention, the telephone types of the IP telephone apparatus A and the IP telephone apparatus B are determined, the priority order of both is determined based on the telephone type, and the speakers of the two IP telephone apparatuses A and B are determined based on the priority order. The display mode of the image is controlled. The telephone type is either an IP telephone device connected by an external line or a telephone device connected by an internal line. Further, it may be determined whether the telephone type is a fixed phone or a mobile phone, and whether the cordless telephone device is a child device. The type of the telephone device of the other party can be specified from the telephone number.

  If one speaker who is the other party of a three-party call is a customer who is on an external call and the other speaker is an internal party who is participating in a call on an internal line, the priority of the customer over the internal party To increase. Since the customer is usually an outside line caller, and the internal party is usually an extension line caller, the priority order can be determined based on the telephone type. Then, control is performed such that the image of the speaker of the IP telephone with a high priority is displayed as a larger image than the image of the speaker of the IP telephone with a low priority. Alternatively, control is performed such that the image of the speaker of the IP telephone apparatus with the lower priority order is reduced and displayed in the corner of the image of the speaker of the IP telephone apparatus with the higher priority order. In this way, the image of the customer who is on the outside line can be displayed larger than the image of the person concerned in the company, and the call can be made while observing the facial expression and the like more accurately.

  Next, with reference to the flowchart shown in FIG. 3, the image display procedure of the videophone system according to the present invention will be described. In the following description, the other two IP telephone devices participating in the three-party call are referred to as IP telephone device A, IP telephone device B, and the IP telephone device C participating in the three-party call. An example will be described in which the speakers are A and B, and the images of the speakers A and B received from the IP telephone device A and the IP telephone device B are displayed on the display screen of the IP telephone device C.

  Note that the flowchart of FIG. 3 shows the procedure until the display of the speaker image is controlled at the start of the three-party call in the IP telephone apparatus C. The procedure until the three-party call is started is performed according to the procedure described above. Assume that IP telephone apparatus C starts a call with IP telephone apparatus A, and then adds IP telephone apparatus C to the call and starts a three-party call.

  First, in IP telephone apparatus C, it is detected whether or not a three-party call has been operated by operation unit 14 (step S101). Next, IP telephone apparatus C estimates (discriminates) the telephone type from the telephone number of IP telephone apparatus A (step S102), and estimates (discriminates) the telephone type from the telephone number of IP telephone apparatus B (step S103). ).

  Next, IP telephone apparatus C determines the priority order from the telephone types of IP telephone apparatus A and IP telephone apparatus B (step S104). For example, when the IP telephone apparatus A is connected to the outside line and the IP telephone apparatus B is an apparatus connected to the internal line, the priority order of the IP telephone apparatus A is set higher than the priority order of the IP telephone apparatus B.

  In the IP telephone apparatus C, the image control unit 11d determines the speaker A captured by the camera of the IP telephone apparatus A and the speaker B captured by the camera of the IP telephone apparatus B according to the priority order determined in step S104. (Step S105), the images of the speakers received from the IP telephone device A and the IP telephone device B are displayed according to the determined display pattern, and the normal three-party call processing after step S106 is performed. move on.

  FIG. 4 is a diagram showing an example of a display pattern of a speaker image displayed on the screen. (A), (b), and (c) show a speaker image in a display pattern having a different display mode. An example of display is shown. FIG. 4A shows a display pattern in the case where the telephone types of the speaker A and the speaker B are equal and the priority order is the same. In this case, the image of the speaker A and the speaker B Make the image display equivalent (size, etc.).

  4B and 4C show displays when the telephone type of the speaker A is an external line and the telephone type of the speaker B is an extension, and the priority order of the speaker A is higher than the priority order of the speaker B. A display pattern (FIG. 4B) that displays the image of speaker A as a larger image than the image of speaker B, and displays the image of speaker B in the corner of the image of speaker A. A display pattern (FIG. 4C) is shown.

  When the other party's telephone device is a mobile phone or cordless phone, the image of the speaker captured by the camera of the telephone device becomes a vertically long image, which is captured by the camera of a general IP telephone device. The size of the image and the outer frame shape are different from the image of the speaker. In this case, in order to match the image size and the outer frame shape, it is necessary to perform image processing in the image control unit 11d. Therefore, when the type of the telephone device B of the other party of the three-party call is a handset of a mobile phone or a cordless phone, if the image of the speaker B is displayed as it is vertically as shown in FIG. The image can be displayed without performing special image processing in the control unit 11d.

  As described above, the present invention has been described in detail by taking the case of a three-party call in an IP telephone system as an example. However, the present invention is not limited to this, and is not limited to an IP telephone system. As long as it is a videophone device, it can be applied to both a general landline telephone and a cordless telephone. Further, the present invention can be applied not only to a three-party call but also to a videophone system having a multi-party call function.

DESCRIPTION OF SYMBOLS 1 IP telephone apparatus 11 Control part 11a Call control part 11a1 Tone detection part 11a2 Mixing part 11b Reception part 11c Image generation part 11d Image control part 12 Memory 13 Display part 14 Operation part 15 Communication control part (communication part)

Claims (4)

In a videophone device having a multi-party call function,
The videophone device has a multi-party call function, a display unit that displays an image received from a telephone device of a partner of a plurality of calls, and an image control unit that controls a display mode of an image displayed on the display unit And
The videophone device determines a telephone type of the plurality of telephone devices based on a telephone number of the telephone device of the other party of the plurality of calls, and the plurality of calls based on a telephone type of the other party of the plurality of calls. Determining the priority order of the telephone device of the other party, and determining the display mode of the images of the other party's speakers in accordance with the priority order, the image control unit based on the determined display mode A videophone apparatus characterized in that images received from a plurality of counterpart telephone apparatuses are displayed on the display unit.   When the telephone type of the telephone device of the other party of the plurality of calls is a telephone device that is internally connected to a telephone device that is externally connected, the priority order of the telephone devices of the telephone type that is externally connected is set to the telephone that is internally connected. 2. The videophone device according to claim 1, wherein the videophone device is set higher than a priority order of the type of telephone device.   When the priority order of the telephone devices of the other parties of the plurality of calls is different, the image of the speaker received from the telephone device with the higher priority order is displayed as a larger image than the image of the speaker received from the telephone device with the lower priority order. The videophone device according to claim 1, wherein the videophone device is provided.   When the priority order of the telephone devices of the other parties of the plurality of calls is different, the image of the speaker received from the telephone device with the higher priority order is made larger than the image of the speaker received from the telephone device with the lower priority order. The speaker image received from a telephone device with a low priority order is displayed superimposed on a part of the image of the speaker received from a telephone device with a high priority order. Video phone equipment.

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