JPH03216053A - Remote control system by isdn public telephone terminal equipment - Google Patents

Abstract

PURPOSE:To attain the remote control at high speed with high reliability and low communication cost by using a user and user information element of an ISDN so as to send/receive remote control information and an ID number stored on a telephone card. CONSTITUTION:A telephone card loading port 16a and a dial button 17 are mounted to an ISDN public telephone set TE1, and an ISDN relating remote control multi-function telephone set terminal TE2 is provided with a line interface 1, a parallel input output port 8 and a CPU 9. Then an ID number is stored in advance on the telephone card and when the ISDN public telephone set terminal TE1 connecting to the ISDN calls the called party ISDN telephone set terminal TE2, the ID number and remote control information controlling controlled devices EQ1-EQ10 are sent and received by using a user and a user information element in a call setting message including in the ISDN layer 3 and the controlled devices are operated or restored by the remote control information. Thus, the communication cost is reduced with high reliability at a high speed.

Description

[Detailed Description of the Invention] [Field of Industrial Application] The present invention relates to a remote control method using an ISDN public telephone terminal, and in particular, the present invention relates to a remote control system using an ISDN public telephone terminal, and in particular, the present invention relates to a remote control method using an ISDN public telephone terminal.
N Remote control of controlled equipment connected to telephone terminals I
By SDN public telephone terminal? Regarding distance control method.

[Prior Art] Conventionally, in order to remotely control a controlled equipment group 34 consisting of, for example, cooling and heating equipment EQE and EQZ from outside the home using a telephone line, a subscriber exchange LS is used as shown in FIG. An analog telephone line 31 is connected to the transmitter 29 and the display 27.
, Dial from the public telephone TE1■ equipped with telephone card insertion and return ports 28a and 28b to the receiving telephone TE2 connected to the analog telephone line 32, and capture the remote control device 33 connected to the analog telephone line 32. . When the remote control device 33 is captured, the controlled equipment group 34 is sent to the public telephones TE and Y with a message using synthesized voice or audible sound.
Indicates that remote control data can be received.

When the remote control data determined by the PB signal or voice is sent from the public telephone TE to the remote control device 33 via the analog telephone circuit 31, 32, the remote control device 33 compiles the remote control data from the PB signal or voice. Then, the group of controlled devices 34 is controlled based on this remote control data.

Note that the control includes operation and restoration of the controlled equipment group 34, reporting of the operating status of the controlled equipment group 34, and the like.

[Problems to be Solved by the Invention] In the remote control method using the conventional public telephone TE with the above configuration, the remote control device 33 is controlled by a message in the form of synthesized voice or audible signal sent from the remote control device 33 on the called side.
Since the PB signal is sent after confirming that control is possible, the operation is complicated, and it takes a considerable amount of time to finish transmitting the remote control data. Also, if you make a mistake, you have to start the operation again from the beginning. There is a difficulty in having to repeat the steps.

[Object of the invention] The present invention has been made in view of the above-mentioned difficulties, and is
When calling an ISDN compatible remote control multi-function terminal from a public telephone, the ID number is stored in the telephone card in advance.
Enter this ID number and the remote control information that controls the controlled device.
An IS that provides high speed, high reliability, and reduces communication costs by sending and receiving SDN users and user information elements.
Lord DN? The purpose is to provide a remote control method using a telephone terminal.

[Means for Solving the Problems] In order to achieve the above object, the remote control method using an ISDN public phone terminal according to the present invention stores an ID number in advance in a telephone card, and connects an ISDN connected to an ISDN.
When the N public telephone terminal calls the called ISDN telephone terminal, the ID number and the remote control information for controlling the controlled device are sent to the user information element of the call setup message included in the ISDN layer 3. The information is transmitted and received between the ISDN public telephone terminal and the called ISDN telephone terminal, and the controlled equipment is operated and restored using the remote control information.

[Embodiment] An embodiment of a remote control system using an ISDN public telephone terminal according to the present invention will be described in detail below with reference to FIG.

In FIG. 1, TE is an ISDN public telephone. I
Does the SDN public telephone TE■ have a liquid crystal display? 5. A telephone card insertion slot 16a, a telephone card return slot 16b and a dial button 17 are installed, the handset 18 is off-hook, and a normal telephone card is inserted into the telephone card insertion slot 16a.
You can make normal calls by plugging it into your phone. ID number,
By using a remote control telephone card on which remote control data such as the telephone number of the ISDN-compatible remote control multifunction terminal TE2 and the controlled device EQn are written, remote control can be performed via a telephone line.

The ISDN-compatible remote control multifunction terminal TE2 includes a line interface 1, a codec 2, a handset 3, and a speaker 3.
a, dial button 5 with K1 to K■2, RAM6, R
Consists of OM7, parallel input/output port 8, CPU9, function button FKn, and remote button RKn (n is 1 to 10 for explanation). Operate remote button RKn or call from ISDN public telephone TE■ Controlled equipment EQn can be operated and restored by remote control via line.

Normal telephone calls are carried out via the codec 2 using the handset 3 or the speaker 3a. Function button FKn (n=
1 is the charge display button, n=2 is the caller ID display button, n=3 is the hold button, n=4 is the speaker button, n=5 is the operation guidance/network information display switch button) and dial button 5. Necessary information is displayed on the liquid crystal display 4.

Users using the D channel and user information elements are stored on the internal bus 10. Layer 2 related to CPU9, ROM7, RAM6
~3, layer 1 is line interface 1
It is realized by

The remote control information sent from the in-home terminal device DSU2 to the ISDN-compatible remote control multifunction terminal TE2 is sent from the line interface 1 as a user information element to the user using the D channel, via the internal bus 10, and is sent to the CPU 9 based on the program in the ROM 7. The controlled device EQn is processed and connected to the parallel input/output port 8 under the control of the CPU 9.
works and recovers. The liquid crystal display 4 displays network information related to incoming and outgoing calls for about 5 seconds, and then presses the function button FKn.
, display operation guidance using dial button 5, etc. do. Furthermore, data related to remote control by the ISDN public telephone TE1 is displayed.

[Operation of the invention] When the remote control telephone card is inserted into the telephone card insertion slot 16a of the ISDN public telephone TE■ configured as described above,
The ISDN public telephone TE1 decodes the ID number and telephone number stored in the remote control telephone card, and provides guidance on the liquid crystal display 15 to specify the controlled device E Q n. When the necessary remote control information is completed by operating the dial button 17, the device name and remote control information of the controlled device EQn are displayed on the liquid crystal display 15.

When the ISDN public telephone TE completes the remote control information, it sets the remote control information, such as the ID number stored in the remote control telephone card, in a "call setup" message. After completing the settings, call the ISDN public telephone TE.
E automatically dials the ISDN compatible remote control multi-function terminal TE2 using the telephone number stored in the remote control telephone card and sends a "call setup J" message. The ISDN-compatible remote control multifunction terminal TE2 that has received the user/user information element operates or restores the controlled equipment EQn based on the remote control information included in the user/user information element, and also monitors the operating status of the controlled equipment EQn. "Alert" Set in the user information element of the J message and send it back to the ISDN public telephone TE of the calling party.The ISDN public telephone TE of the calling party
The contents of the user information element are displayed on the liquid crystal display 15.

The transmission and reception of remote control information using the above procedure uses a user-to-user information transfer service, so unlike the case where remote control information is directly transmitted and received via a B channel using a PB signal, the communication time is short. In this way, incomplete remote control information due to erroneous operation or the like will not cause an abnormal sequence to be sent.

The transmission and reception of remote control information in the above embodiment uses the user and user information elements included in the call setup messages for call setup, paging, response, disconnection, and release to confirm the operating status in a regular manner,
It may be configured to execute a sequence of operation of the controlled device, restoration, and confirmation of the fed-back operating status.

The telephone card in the above embodiment may be replaced with an IC card or the like.

In addition, the ISDN compatible remote control multi-function telephone TE2 is B1,
ISD even during communication and data transmission on B2 channel
Since the N users and the inter-user information transfer service can be used independently, there will be no situation where the user encounters a busy call and cannot remotely control the controlled device EQn.

[Effects of the Invention] The remote control method using ISUN public telephone terminals according to the present invention stores an ID number in advance on a telephone card, and
ISDN public telephone terminal connected to SDN is the receiving IS
When a DN telephone terminal is called, the ID number and remote control information for controlling the controlled equipment are transmitted to the ISDN public telephone terminal and the user information element of the call setup message included in the ISDN layer 3. Called side ISD
Since the remote control information is transmitted and received between N telephone terminals and the controlled equipment is operated and restored using the remote control information, it is possible to achieve high speed and high reliability, and to reduce communication costs.

[Brief explanation of drawings]

FIG. 1 is a block diagram showing an embodiment of a remote control system using an ISDN public telephone terminal according to the present invention, and FIG. 2 is a block diagram of a conventional remote control system using a public telephone terminal. TE1...ISDN public telephone (terminal) TE2
・・・・・・ISDN compatible remote control multi-function terminal (receiving side ISDN telephone terminal) EQn・・・・Controlled device

Claims (1)

[Claims] Store the ID number on the telephone card in advance and use the ISD
The ISDN public telephone terminal connected to
When a telephone terminal is called, the number and remote control information for controlling the controlled equipment are sent to the ISDN public telephone terminal and the incoming call in the user information element of the call setup message included in ISDN layer 3. An ISD that transmits and receives data between side ISDN telephone terminals, and operates and restores the controlled device using the remote control information.
N Remote control method using public telephone terminals.