JP5423099B2 - Telephone system and doorphone remote access control method - Google Patents

Description

  The present invention relates to a telephone system and a door phone remote access control method, and in particular, one or a plurality of telephone terminal devices, a TV door phone terminal device, and the telephone terminal device and the TV door phone terminal device are exchanged and connected to a communication network. The present invention relates to a telephone system including a telephone control device and a doorphone remote access control method for the telephone system.

Today, in a TV door phone device that takes a picture of a visitor and confirms this image, it is possible to access the TV door phone device from the outside and check the video that the TV door phone device is shooting, as a security measure. Function is required. In order to realize such functions, conventional TV door phone devices use electronic images captured by a camera built-in entrance terminal to transfer visitor information to a home away from home. Some mail attachment notification mails are attached to an e-mail address of an e-mail address of a terminal device such as a household mobile phone. According to such a TV door phone device, when a householder receives a visitor notification mail, the terminal device can check the image of the visitor attached to the mail.
In addition, a dedicated homepage (hereinafter referred to as “HP”) provided in advance is used to access the link destination of the corresponding TV doorphone device, and communication with the corresponding TV doorphone device is established through an authentication procedure or the like. By doing so, the housekeeper can talk with the visitor (Patent Document 1).

  However, in the above-described method, it is necessary to connect to the Internet and access a dedicated HP from a terminal device such as a cellular phone of a householder who is a communication partner of the TV door phone device. That is, there is a problem in that a dedicated HP is prepared in advance and a facility such as a server device for configuring such an application on the WEB is required separately.

In order to solve such a problem, there is a method of utilizing a telephone system such as a button telephone apparatus or a PBX (Private Branch Exchange) system having a function of connecting an extension terminal and exchanging and connecting the extension terminal to a communication network. In this method, a dedicated incoming telephone number for calling this television doorphone device is set in a telephone system in which the television doorphone device is accommodated as an extension terminal, and the television doorphone device responds in response to an incoming call to this dedicated telephone number. Is.
In such a telephone system, a telephone number dedicated to incoming calls is assigned to the TV door phone device, and the TV door phone device responds in response to a call from the terminal device such as an external mobile phone to the telephone number dedicated to incoming calls. Video communication is established between the calling terminal and the TV door phone device. Therefore, it is possible to access the TV door phone device from an external terminal device without preparing equipment such as a dedicated HP or a server device in advance, and it is possible to check the video imaged by the TV door phone device.

JP 2002-281180 A

  However, in the method as described above, it is necessary to separately prepare a telephone number dedicated to incoming calls used for communication with the TV door phone apparatus. There is a problem that an incoming call to this dedicated telephone number cannot be answered by a normal voice telephone and the telephone number cannot be effectively used. Furthermore, since a telephone number dedicated to incoming calls used for communication with the TV door phone device is separately prepared, there is a problem that communication cost is increased.

  SUMMARY OF THE INVENTION An object of the present invention is to provide a telephone system that can easily access a TV door phone device from the outside in order to solve the above problems.

In order to achieve the above object, the present invention provides a TV door phone terminal device that captures an image of a visitor and outputs the image as video data, a telephone terminal device, the TV door phone terminal device, and the telephone terminal device. A telephone control device that exchanges and connects to a communication network, and when the incoming call is from a calling terminal that requires video communication, the telephone door phone terminal responds to the incoming call. When receiving a response signal output from the TV door phone terminal device in response to a call from the door phone calling unit that calls the device, a communication path is formed between the TV door phone terminal device and the calling terminal. The telephone system is provided with a door phone connection unit for starting video communication for outputting the video data to the communication path.
The door phone calling unit of the telephone system of the present invention responds to an incoming call when the incoming call is from a calling terminal that requests video communication including a display screen size condition determined by the number of pixels of the video data. The TV door phone terminal device may be called.

According to the present invention, when an incoming call is from a calling terminal that requests video communication, the TV door phone terminal device can be caused to respond in response to the incoming call, that is, the incoming call type of the incoming call is determined. The destination of this incoming call can be determined. Therefore, it is possible to determine an extension terminal to be called by selecting a destination of an incoming call that requires only voice communication and an incoming call that requires video communication for one telephone number.
As a result, it is not necessary to prepare a telephone number dedicated to incoming calls used for communication with the TV door phone terminal device, and the telephone number can be used effectively. Furthermore, video communication with the TV door phone terminal device can be established by making a transmission requesting video communication to the telephone system in which the TV door phone terminal device is accommodated, and the TV door phone terminal device is photographing from the outside. The video can be easily confirmed.

It is a block diagram which shows the structure of the telephone system which concerns on the 1st Embodiment of this invention. It is a flowchart which shows operation | movement of the telephone control apparatus which comprises the telephone system which concerns on 1st Embodiment. It is a flowchart which shows operation | movement of the television door phone terminal device which comprises the telephone system which concerns on 1st Embodiment. In the telephone system which concerns on 1st Embodiment, it is a sequence diagram which shows the operation | movement in the case where it transmits to a telephone system from the outside and performs video communication with a television door phone terminal device. In the telephone system which concerns on 1st Embodiment, it is a sequence diagram which shows the operation | movement in the case of performing a voice communication by making a call to the telephone system from the outside. It is a block diagram which shows the structure of the telephone system which concerns on 2nd Embodiment. It is a flowchart which shows operation | movement of the telephone control apparatus which comprises the telephone system which concerns on 2nd Embodiment. In the telephone system which concerns on 2nd Embodiment, it is a sequence diagram which shows the operation | movement in the case of transmitting to a telephone system from the outside and performing video communication with a television door phone terminal device. In the telephone system which concerns on 2nd Embodiment, it is a sequence diagram which shows operation | movement when not performing video communication with a television door phone terminal device with respect to the transmission to the telephone system from the outside.

  Embodiments of the present invention will be described below with reference to the drawings.

[First Embodiment]
FIG. 1 is a block diagram showing the configuration of the telephone system according to the first embodiment of the present invention.
The telephone system according to the present embodiment is a telephone system such as a button telephone apparatus or a PBX system to which an extension terminal is connected and exchanged and connected to the communication network, and the TV door phone apparatus and the telephone apparatus are connected to the extension line. The terminal is accommodated as a terminal, and the destination of the incoming call is selected from either the TV door phone device or the telephone device according to the incoming call type of the incoming call.

As shown in FIG. 1, the telephone system 10 according to the present embodiment includes a telephone control device 110, a TV door phone terminal device 120, and telephone terminal devices 130 (130-1 to 130-n).
The telephone control device 110 is connected to the network 1 and accommodates a TV door phone device 120 and a telephone terminal device 130 which are extension terminals that are exchange-connected to the network 1. The telephone control device 110 receives voice and video and a packet communication call signal including them from a communication partner such as the communication device 11 via the network 1 and performs an incoming call response process according to the call signal. Establish communication between the accommodated extension terminal and the communication partner.
Here, for the network 1 to which the telephone control device 110 is connected, an IP network for performing packet communication such as the Internet or an IP telephone, a public switched telephone network (PSTN), or the like is used.

The telephone control device 110 includes an external line I / F unit 111, an internal line I / F unit 112, a switch unit 113, a CPU (Central Processing Unit) 114, and a memory 115.
The external line I / F unit 111 performs connection control with the network 1. The extension I / F unit 112 performs connection control with the TV door phone terminal device 120 or the telephone terminal device 130. The switch unit 113 selectively forms a communication path between the external line I / F unit 111 and the internal line I / F unit 112 to selectively connect the network 1 and the extension terminal.

The CPU 114 acts as a control unit 114A that controls the operation of the telephone control device 110 by cooperating with various programs stored in the memory 115 described later.
The control unit 114A detects an incoming call from the network 1 and calls an extension terminal to be accommodated. When the extension terminal responds to the call, the control unit 114A controls the switch unit 113 so that the responding extension terminal and the network 1 Or exchange connection.
In the telephone system according to the present embodiment, control unit 114A includes door phone calling unit 114A-1 that calls TV door phone terminal device 120 in response to an incoming call when the incoming call from network 1 satisfies a predetermined condition, When a response signal is received from the door phone terminal device 120, there is provided a door phone connection unit 114A-2 that forms a communication path between the TV door phone terminal apparatus 120 and the calling terminal and outputs video data to the communication path. Yes.

  In the memory 115, a program necessary for the operation of the CPU 114, a telephone number that permits connection to the TV door phone terminal device 120 (hereinafter referred to as “door phone remote access permission number information”), an extension terminal (TV door phone) accommodated by the device itself. Device information such as device performance of the terminal device 120 and the other telephone terminal device 130) is stored. The memory 115 also stores operation state information such as a call state of the extension terminal accommodated by the own device.

On the other hand, the TV door phone terminal device 120 includes an extension I / F unit 121, an imaging unit 122, a voice input / output unit 123, a CPU 124, and a memory 125.
The extension I / F unit 121 performs connection control with the telephone control device 110. The imaging unit 122 includes a camera to capture a moving image or a still image, and outputs the captured moving image or still image as video data. The audio input / output unit 123 includes a microphone, a speaker, and an amplifier, and inputs and outputs audio data using these. The CPU 124 operates in accordance with programs and information stored in the memory 125 and functions as a control unit that performs overall control of the TV door phone terminal device 120. The memory 125 stores a program necessary for the operation of the TV door phone terminal device 120 and device performance information of the device itself, and also stores operation state information of the device itself.

Next, with regard to the operation of the telephone system according to the present embodiment, the operations of the telephone control device 110 and the TV door phone terminal device 120 will be described with reference to FIGS.
In this embodiment, when receiving an incoming call from a telephone number that matches the doorphone remote access permission number information, control unit 114A of telephone control device 110 once responds to this incoming call before calling TV doorphone terminal device 120. (Hereinafter referred to as “provisional response”), the call control for calling the TV door phone terminal device 120 is performed after the connection authentication for the calling terminal is performed. Call control for calling the terminal device 130 is performed.
FIG. 2 is a flowchart showing the operation of the telephone control device 110 constituting the telephone system according to the present embodiment. As shown in FIG. 2, the telephone control device 110 receives an incoming call by the external line I / F unit 111. At this time, door phone calling unit 114A-1 determines whether or not this incoming call matches the door phone remote access permission number information registered in memory 115 (S10-m).
When the telephone number does not match the telephone number registered in the doorphone remote access permission number information (“No” in S10-m), the telephone control device 110 determines that the incoming call is a normal voice communication, and the voice telephone or the like The telephone terminal device 130 is controlled to connect the incoming call (S11-m).

  When this incoming call is for an IP phone based on VoIP (Voice Over Internet Protocol) received via the IP network and matches the phone number registered in the doorphone remote access permission number information, (S10-m Then, the incoming call type of this incoming call is confirmed by the door phone calling unit 114A-1. The incoming call type includes an incoming call requesting voice communication, an incoming call requesting video communication, an incoming call requesting text communication, and the like. The doorphone call unit 114A-1 uses the incoming call type for video communication. It is determined whether or not it is a request (S12-m).

Here, an example of a method by which the intercom calling unit 114A-1 determines the incoming call type will be described. The incoming call for which the intercom calling unit 114A-1 determines the incoming call type has a predetermined data format conforming to VoIP. The predetermined data format includes a plurality of pieces of information, and the plurality of pieces of information include media type attribute information that is information related to the incoming call type.
Therefore, door phone calling unit 114A-1 can determine the incoming call type by determining whether or not the “Video” attribute for requesting video communication is included in the media type attribute information indicating the incoming call type. .

If the incoming call type is not a request for video communication (“No” in S12-m), the telephone control device 110 determines that the incoming call is a normal voice communication, and sends it to the telephone terminal device 130 such as a voice telephone. On the other hand, call control for connecting this incoming call is performed (S11-m).
When the incoming call type is a request for video communication (“Yes” in S12-m), the telephone control device 110 performs an authentication operation on the communication device 11 that is the source of the incoming call (S13-m). ).
For example, after the above-described incoming call determination processing, the telephone control device 110 makes a temporary response to the incoming call and inquires the communication device 11 that is the communication partner for authentication information such as a personal identification number. Good.
In the telephone system according to the present embodiment, the above-described authentication operation is performed by the telephone control device 110, but the TV door phone terminal device 120 may perform the same authentication operation.

After the authentication operation results in authentication OK, the door phone connection unit 114A-2 performs call control for calling the TV door phone terminal device 120 (S14-m).
In addition, the telephone control device 110 performs a predetermined operation such as displaying a message indicating that the TV door phone terminal device 120 cannot be called for an incoming call that has been authenticated NG by the authentication operation. Alternatively, the incoming call may be called to another extension terminal by making it an incoming call for voice communication.
The telephone control device 110 may omit the above-described authentication operation for this incoming call.

  Next, when the door phone connection unit 114A-2 calls the TV door phone terminal device 120 and then receives an incoming call response to the incoming call from the TV door phone terminal device 120, the door phone connection unit 114A-2 controls the switch unit 113 to control the outside line. A communication path for this incoming call is formed between the I / F unit 111 and the extension I / F unit 112 to connect the TV door phone terminal 120 and the network 1, and between the communication terminal 11 and the TV door phone terminal device 120. Video communication between the two is started (S15-m).

  After the video communication between the TV door phone terminal device 120 and the communication terminal 11 is started, the telephone control device 110 is in a standby state for receiving this video communication disconnection request (S16-m), and while not receiving the disconnection request (S16- m to “No”) to keep this call. When a disconnection request is received (“Yes” in S16-m), a disconnection signal is output to the external line I / F unit 111 and the internal line I / F unit 112 (S17-m), and the call is disconnected (S17-m). S18-m).

Next, the operation of the TV door phone terminal device 120 will be described with reference to the flowchart shown in FIG.
As shown in FIG. 3, the TV door phone terminal device 120 receives the call controlled by the telephone control device 110 via the extension I / F unit 121 (S10-d).
Upon receiving this call, the TV door phone terminal device 120 activates the image pickup unit 122 (S11-d), and transmits a response signal to the call to the telephone control device 110 via the extension I / F unit 121 (S12-). d).
When the communication path is formed by the telephone control device 110 that has received the response signal, the TV door phone terminal device 120 converts the video captured by the imaging unit 122 into a predetermined format and passes through the extension I / F unit 121. Output to the telephone control device 110. Further, the voice collected by the voice input / output unit 123 is also converted into a predetermined format and output to the telephone control device 110 via the extension I / F unit 121 so that both video data and voice data are output. May be.
Also, it receives video data and audio data transmitted from the communication terminal 11, displays the received video data on a display unit (not shown) of the TV door phone terminal device 120, and reproduces the audio data received from the audio input / output unit 123. You may make it do.

After the video communication with the communication terminal 11 is started, the TV door phone terminal device 120 is in a standby state for receiving a disconnection signal from the telephone control device 110 (S13-d) and while not receiving the disconnection signal (S13-d). "No"), video communication (or video / audio communication) is continued. When the disconnect signal is received (“Yes” in S13-d), the imaging unit 122 (including the audio input / output unit 123 when the video / audio communication is executed) is stopped (S14-d), and the door phone terminal device 120 is Move to standby state.

Next, an operation sequence between the communication device 11 and the telephone system 10 according to the present embodiment will be described. FIG. 4 is a diagram showing an operation sequence when the telephone system 10 according to the present embodiment accesses the telephone system 10 from the outside by the communication device 11 and performs video communication with the TV door phone terminal device 120.
As shown in FIG. 4, the telephone control device 110 of the telephone system device 10 is assigned a telephone number [bbb]. [Aaa] is set in advance as doorphone remote access permission number information (S100).

In order to access the TV door phone terminal device 120 by the communication device 11 whose telephone number is [aaa], the communication device 11 makes a transmission requesting video communication to the telephone number [bbb] (S101).
The telephone control device 110 that has received this incoming call determines the incoming call (S102). The telephone control device 110 starts the call control for calling the TV door phone terminal device 120 because the incoming call number matches the number registered in the doorphone remote access permission number information and is an incoming call requesting video communication. .

  The telephone control device 110 tentatively responds to the communication device 11 after determining the incoming call, and performs a connection authentication operation to the TV door phone terminal device 120 (S103). If the authentication is OK, the TV door phone terminal device 120 is called in response to this incoming call, and if the authentication is NG, a predetermined operation such as transmitting a message indicating that the TV door phone terminal device cannot be called to the communication partner is performed ( S104).

The telephone control device 110 calls the TV door phone terminal device 120 in response to this incoming call (S105). The TV door phone terminal device 120 that has received the call for this incoming call activates the imaging unit 122 (S106), and transmits an incoming call response to this incoming call to the telephone control device 110 (S107).

  Receiving the incoming response from the TV door phone terminal device 120, the telephone control device 110 forms a communication path between the communication device 11 and the TV door phone terminal device 120 and starts video communication (S108). Video / audio communication with audio communication added may be performed as necessary.

Upon receiving this video communication (or video / audio communication) disconnection request (S109), the telephone control device 110 outputs a disconnection signal. When the telephone control device 110 receives a disconnection request, it outputs a disconnection signal to the TV door phone terminal device 120 (S110), and then disconnects communication (S113). When the communication device 11 receives the disconnection request, it outputs a disconnect signal to the network 1 to disconnect the communication (S113).
The TV door phone terminal device 120 that has received the disconnection signal output from the telephone control device stops the imaging unit 122 (including the audio input / output unit 123 when the video / audio communication is executed) (S111), and shifts to a standby state ( S112).

  Next, in this embodiment, an operation sequence of the telephone system 10 when the telephone system 10 is accessed from the outside by the communication device 11 and voice communication is performed as a normal incoming call will be described with reference to FIG. As shown in FIG. 5, it is assumed that the telephone control apparatus 110 is assigned a telephone number [bbb] and [aaa] is set as doorphone remote access permission number information (S100).

When the communication device 11 having the telephone number [aaa] makes a call to the telephone number [bbb] by normal voice communication (S1001), the telephone control device 110 that receives the incoming call determines the incoming call ( S1002).
In the telephone control device 110, the incoming call number matches the number registered in the doorphone remote access permission number information, but the incoming call type does not require video communication. Call control is started as an incoming call (S1002).

After determining the incoming call, the telephone control device 110 calls the telephone terminal device 130 for this incoming call (S1003). Receiving the call for the incoming call, the telephone terminal device 130 starts voice communication in response to the incoming call (S1004).
When this voice communication is disconnected by the telephone terminal device 130, the telephone terminal device 130 disconnects the voice communication (S1005), outputs a disconnection signal to the telephone control device 110 (S1006), and shifts to an incoming call waiting state. (S1007).
Upon receiving the disconnect signal output from the telephone terminal device 130, the telephone control device 110 disconnects this voice communication and releases the call (S1007).
When the communication device 11 disconnects the voice communication, a disconnect signal is output to the network 1 to disconnect the communication (S1007).

  In this way, the incoming call and video requesting voice communication by calling the TV door phone terminal device in response to the incoming call from the calling terminal requesting video communication as well as the incoming call from a preset calling number. Call destinations for incoming calls that require communication can be assigned to appropriate devices among the TV door phone terminal device and the telephone terminal device accommodated in the telephone system. Therefore, it is not necessary to prepare a dedicated telephone number for video communication with the TV door phone terminal device, and the telephone number can be used effectively. Since video communication is established from a communication device having a preset telephone number to the telephone number of the telephone system in which the TV door phone terminal is accommodated, video communication with the TV door phone terminal device can be established. In addition, it is possible to easily check the video imaged by the TV door phone terminal device even when away from home.

[Second Embodiment]
Next, a telephone system according to the second embodiment will be described.
In addition, about the component of the telephone system which concerns on this Embodiment, what has the same structure and function as the component demonstrated in 1st Embodiment attaches | subjects the same code | symbol, and abbreviate | omits detailed description To do.
FIG. 6 is a block diagram showing a configuration of the telephone system 20 according to the second embodiment. The telephone system according to the present embodiment is a telephone system such as a button telephone apparatus or a PBX system in which a plurality of extension terminals are connected, a TV door phone apparatus is accommodated as an extension terminal, and the extension terminal is exchanged and connected to a communication network. Thus, the destinations are selected and distributed according to the condition of the display screen size of the incoming call that requires video communication among the incoming call types of the incoming call.

As shown in FIG. 6, the telephone system 20 according to the present embodiment includes a telephone control device 210, a TV door phone terminal device 120, and telephone terminal devices 130 (130-1 to 130-n).
The telephone control device 210 is connected to the network 1, accommodates the TV door phone terminal device 120 and the telephone terminal device 130 that are exchange-connected to the network 1, and communicates with the communication device 11 and the like via the network 1. When a call signal from the other party is received, an incoming call response process corresponding to the call signal is performed, and communication between the accommodated extension terminal and the communication partner is established.

The telephone control device 210 includes an external line I / F unit 111, an internal line I / F unit 112, a switch unit 113, a CPU 214, and a memory 215.
The CPU 214 works as a control unit 214A that controls the operation of the telephone control device 210 by cooperating with various programs stored in the memory 215 to be described later. When an incoming call from the network 1 is detected, the extension terminal to be accommodated When the extension terminal responds to the call, the switch unit 113 is controlled to exchange and connect the responding extension terminal to the network 1.
In the telephone system according to the present embodiment, control unit 214A includes a door phone calling unit 214A-1 that calls TV door phone terminal device 120 in response to an incoming call from network 1 when the incoming call from network 1 satisfies a predetermined condition, and a television set. When receiving a response signal from the door phone terminal device 120, a door phone connection unit 214A-2 is provided that forms a communication path between the TV door phone terminal apparatus 120 and the calling terminal and outputs video data to the communication path. Yes.

  In the memory 215, information (hereinafter referred to as “device information”) related to programs necessary for the operation of the CPU 214, device performance of the extension terminals (TV door phone terminal device 120 and other telephone terminal devices 130) accommodated by the device itself, and the like. ) Is stored. In particular, as the device information of the TV door phone terminal device 120, information including a display screen size condition of video data output from the TV door phone terminal device 120 is stored. The memory 215 also stores operation state information such as a call state of the extension terminal accommodated by the own device.

Next, the operation of the telephone system according to the present embodiment will be described.
FIG. 7 is a flowchart showing operations of the doorphone remote access preparation unit and the doorphone remote access start unit of the telephone control device 210 of the telephone system 20 according to the second embodiment.
As shown in FIG. 7, when an incoming call is received from the outside, the door phone calling unit 214A-1 of the telephone control device 210 determines this incoming call and performs call control as voice communication, or sets the TV door phone terminal device 120 to It is determined whether or not to perform call control (S20-m).

When performing call control as voice communication (“No” in S20-m), the telephone control device 210 calls the telephone terminal device 130 such as a voice telephone terminal in response to this incoming call (S21-m).
When performing call control for calling the TV door phone terminal device 120 (“Yes” in S20-m), the telephone control device 210 authenticates the communication device 11 to connect to the TV door phone terminal device 120 (S22-m). .

  After the connection authentication, the door phone calling unit 214A-1 determines that the screen size information of the incoming call requesting the video communication has a screen size determined by the number of pixels of the video data captured and output by the TV door phone terminal device 120. It is determined whether or not the condition is met (S23-m). As described above, the memory information of the extension terminal connected to the telephone control device 210 is stored in the memory 215 of the telephone control device 210. In particular, the image pickup unit 122 of the TV door phone terminal device 120 takes a picture. The screen size condition determined by the number of pixels of the video data to be output is also included and stored in the permanent information.

  Here, the determination of the screen size performed by the door phone calling unit 214A-1 will be described. For example, when the incoming call requesting video communication received by the external line I / F unit 111 is that of an IP phone based on VoIP received via the IP network described in the first embodiment, the incoming call Includes the attribute information of the incoming call type. It is determined whether or not the screen size information of the Video attribute representing video communication included in the attribute information matches the screen size condition of the video data output from the TV door phone terminal device 120 stored in the memory 215. Is made by

When the screen size information in the incoming call matches the screen size condition in the TV door phone terminal device 120 (“Yes” in S23-m), the door phone connection unit 214A-2 calls the TV door phone terminal device 120 (S24- m).
When the screen size information in the incoming call does not match the screen size condition in the TV door phone terminal device 120 (“No” in S23-m), the telephone control device 210 sends the TV door phone terminal device 120 to the communication device 11. A notification indicating that the video communication is impossible cannot be performed (S25-m), and an operation such as switching from the communication device 11 corresponding to the notification indicating that the video communication is disabled to voice communication according to a response is performed (S26-m).

Here, an example of the video communication disabled notification will be described. For example, the telephone control device 210 may send a message such as “Cannot connect to the TV door phone because the screen size cannot be supported” to the communication device 11. Furthermore, the telephone control device 210 requests the communication device 11 to select whether or not to switch to voice communication together with the video communication disabled notification, and makes an incoming call from the communication device 11 by voice communication based on the response. It is good also as operation | movement of switching to or disconnecting an incoming call.
If a videophone terminal device having a screen size condition that matches the screen size condition of the incoming call is connected as an extension terminal accommodated in the telephone control device 210, the telephone control device 210 A request for selecting whether or not to start video communication with the videophone terminal device is also made to the communication device 11, and based on the response, switching to voice communication, disconnecting the incoming call, or other video communication possible It may be an operation of performing video communication with an extension terminal.
Furthermore, in addition to the screen size condition, an operation may be performed in which destinations are selected and distributed according to the type of video codec, for example, the type of video codec such as MPEG-2, MPEG-4, or motion JPEG.

  Next, when the door phone connection unit 214A-2 calls the television door phone terminal device 120 and then receives an incoming call response corresponding to the incoming call from the TV door phone terminal device 120, the door phone connection unit 214A-2 controls the switch unit 113. Thus, the TV door phone terminal device 120 and the network 1 are connected to start video communication between the communication terminal 11 and the TV door phone terminal device 120 (S27-m).

  The telephone control device 210 is in a standby state for receiving a disconnection request for video communication or audio communication (S28-m). When the disconnection request is received (“Yes” in S28-m), the external line I / F unit 111, extension A disconnection signal is output to the I / F unit 112 to disconnect this call (S29-m). While the disconnection request is not received (“No” in S28-m), this call is maintained.

Next, an operation sequence until the telephone system 20 is accessed from the outside by the communication device 11 and video communication with the TV door phone terminal device 120 is started in the present embodiment will be described with reference to FIG.
As shown in FIG. 8, the telephone control device 210 of the telephone system device 20 is assigned a telephone number [bbb], and among the device information of the extension terminal stored in the memory 215, the TV door phone terminal device [Screen size: A to D] is stored as device information 120 (S200).

When the communication device 11 having the telephone number [aaa] wants to check the video captured by the TV door phone terminal device 120, the communication device 11 sends a request for video communication to the telephone number [bbb]. At this time, it is assumed that the screen size of the communication device 11 is a transmission requesting video communication under the condition of B (S201).
Upon receiving this incoming call, the telephone control device 210 determines whether or not it is an incoming call requesting video communication. If it is an incoming call requesting video communication, the telephone number etc. is sent to the communication device 11. The connection authentication with the TV door phone terminal device 120 using is performed (S202).

The telephone control device 210 determines the screen size of the incoming call through connection authentication with the communication device 11. Since the screen size condition of the incoming call is B and the screen size of the TV door phone terminal device 120 is A to D, the screen sizes of both match. Therefore, the telephone control device 210 calls the TV door phone terminal device 120 in response to this incoming call (S203).
The TV door phone terminal device 120 that has received the call for the incoming call transmits a response signal for the call to the telephone control device 210. Upon receiving this response signal, the telephone control device 210 forms a communication path between the communication device 11 and the door phone terminal device 120 and is transmitted from the video data output from the TV door phone terminal device 120 or the communication device 11. Video data to be output to this communication path. Moreover, you may perform communication which also added audio | voice data as needed.

Next, an operation sequence when the communication device 11 cannot access the telephone system 20 from the outside and perform video communication with the TV door phone terminal device 120 in the present embodiment will be described with reference to FIG.
As shown in FIG. 9, the telephone control apparatus 210 of the telephone system apparatus 20 is assigned a telephone number [bbb] and [screen size: AD] as apparatus information of the TV door phone terminal apparatus 120 stored in the memory 215. Is stored (S200).

The communication device 11 whose telephone number is [aaa] makes a transmission requesting video communication to the telephone number [bbb]. It is assumed that a transmission requesting video communication is performed under the condition that the screen size of the communication device 11 is E.
The telephone control device 210 that has received this incoming call determines whether or not it is an incoming call requesting video communication, and if it is an incoming call requesting video communication, it identifies the personal identification number to the communication device 11. Connection authentication with the TV door phone terminal device 120 using the above is performed (S212).

The telephone control device 210 determines the screen size of this incoming call through connection authentication with the communication device 11 (S213). Since the screen size condition of this incoming call is E and the screen size of the TV door phone terminal device 120 is A to D, the screen sizes of both do not match. Therefore, the telephone control device 210 determines that this incoming call is an incoming call that cannot be connected to the TV door phone terminal device (S213), and the video communication disabled notification that the video communication with the TV door phone terminal device 120 cannot be started. Is performed on the communication device 11 (S214).
The communication device 11 that has received the video communication disabled notification and the telephone control device 210 that has transmitted the video communication disabled notification disconnects the call (S215).

  In this way, permission to connect to the TV doorphone terminal device in advance by calling the TV doorphone terminal device in response to an incoming call that matches the screen size condition of the video data output by the TV doorphone terminal device and starting video communication It is not necessary to set a number, and any communication device capable of video communication can be connected to the TV door phone terminal device. Thereby, it becomes possible to easily check the video imaged by the TV door phone terminal device without depending on the own telephone number of the communication device from the outside.

  It can be used for a telephone system such as a button telephone system or a PBX system in which a TV door phone terminal device is accommodated as an extension terminal and exchanged with a communication network.

  DESCRIPTION OF SYMBOLS 1 ... Network (communication network) 10,20 ... Telephone system, 11 ... Communication apparatus, 110, 210 ... Telephone control apparatus, 111 ... External line I / F part, 112, 121 ... Extension I / F part, 113 ... Switch, 114, 124, 214 ... CPU (Central Processing Unit), 114A, 214A ... control unit, 114A-1, 214A-1 ... door phone calling unit, 114A-2 ... door phone connection unit, 115, 125, 215 ... memory, 120 ... TV door phone terminal device, 122 ... imaging unit, 123 ... voice input / output unit, 130 (130-1 to 130-n) ... telephone terminal device (voice telephone, etc.).

Claims (3)

A television doorphone terminal device that captures an image of a visitor and outputs the image as video data, a telephone terminal device, and a telephone control device that exchanges and connects the television doorphone terminal device and the telephone terminal device to a communication network Have
The telephone control device
In response to an incoming call from the originating terminal, it is determined whether the incoming call is an incoming call from a telephone signal that permits connection to the TV door phone terminal apparatus, and the incoming call permits connection to the TV door phone terminal apparatus. When it is an incoming call from a telephone number, it is further determined whether or not an attribute requesting video communication is included in the media type attribute information indicating the incoming call type of the incoming call, and the video information is included in the media type attribute information When an attribute requesting communication is included, the TV door phone terminal device is called in response to the incoming call, while the incoming call is not an incoming call from a telephone signal that permits connection to the TV door phone terminal device; and when there is not any attribute that requests the video communication to the media type of the attribute information, it calls the telephone terminal device in response to the incoming Doaho And the calling unit,
Upon receiving a response signal output from the TV door phone terminal device in response to a call from the door phone calling unit, a communication path is formed between the TV door phone terminal device and the calling terminal, and the video data is transferred to the communication device. A telephone system comprising: a door phone connection unit that outputs to a road. The telephone system according to claim 1, wherein
The door phone calling unit is
The incoming call, as an attribute that requests the video communication to the media type of the attribute information, the can the condition of the display screen size determined by the number of pixels of the image data and including the said TV door terminal according to the incoming A telephone system characterized by calling. A telephone terminal device, a TV door phone terminal device that captures an image of a visitor and outputs the image as video data, and a telephone control device that exchanges and connects the telephone terminal device and the TV door phone terminal device to a communication network A door phone remote access control method for a telephone system including:
In response to an incoming call from the originating terminal, it is determined whether the incoming call is an incoming call from a telephone signal that permits connection to the TV door phone terminal apparatus, and the incoming call permits connection to the TV door phone terminal apparatus. When it is an incoming call from a telephone number, it is further determined whether or not an attribute requesting video communication is included in the media type attribute information indicating the incoming call type of the incoming call, and the video information is included in the media type attribute information When an attribute requesting communication is included, the TV door phone terminal device is called in response to the incoming call, while the incoming call is not an incoming call from a telephone signal that permits connection to the TV door phone terminal device; and when there is not any attribute that requests the video communication to the media type of the attribute information, it calls the telephone terminal device in response to the incoming Doaho And the call procedure,
Upon receiving a response signal output from the TV door phone terminal device in response to a call made by the door phone calling procedure, a communication path is formed between the TV door phone terminal device and the calling terminal, and the video data is transferred to the video door phone terminal device. A doorphone remote access control method for a telephone system, comprising: a doorphone connection procedure for outputting to a communication path.

Images