JPH0847010A - Terminal adaptor - Google Patents

Abstract

PURPOSE:To provide a terminal adaptor by which communication with a specific opposite terminal equipment is secured, exclusive communication is attained and the communication whose communication charge is shared by a preset terminal equipment is attained. CONSTITUTION:The password communication mode is set by a man-machine section 7, then a control section 4A confirms the coincidence between a password of a concerned terminal equipment registered in an address management section 2 and a password of a setup message or a CN packet from an opposite terminal equipment to control the operation of a line interface 6 and a data interface 1 thereby conducting password communication with a specific opposite terminal equipment. When the man-machine section 7 sets the password communication mode and the redial communication mode, the control section 4A confirms the password of a concerned terminal equipment and that of the opposite terminal equipment similarly to interrupt a call of the opposite terminal equipment thereby conducting the service communication through redial from the concerned terminal equipment.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a terminal adapter device for controlling connection of a data terminal to an ISDN network.

[0002]

2. Description of the Related Art FIG. 3 is a block diagram showing a configuration of a conventional terminal adapter device. A man-machine unit 7 for inputting various signals to a control unit 4 for controlling the overall operation, an INS net 64 basic ISD such as interface
Information channels B1 and B connected to N digital subscriber lines
A line interface 6 for demultiplexing / multiplexing 2 and the signal channel D and interfacing with the ISDN network.
Is connected.

Similarly, the control unit 4 is connected to the data terminal and performs a data interface 1 for interfacing with the data terminal, and a speed conversion unit for adjusting the speed of data transmission between the data interface 1 and the line interface 6. 3. A channel switching unit 5 for switching the information channels B1 and B2 to be used is connected. And
The data interface 1 is connected to the speed conversion unit 3,
The speed conversion unit 3 is connected to the channel switching unit 5, the information channels B1 and B2 from the line interface 6 are connected to the channel switching unit 5, and the signal channel D from the line interface 6 is connected to the control unit 4. .

In the conventional terminal adapter device having such a structure, when an incoming call occurs through the ISDN line, the communication interface of the device provided by the setting in the man-machine section 7 and the setting in the data terminal, and the other party. When the interface of the terminal matches, the command of the control unit 4 controls the call of the D channel and sends a response message to the ISDN line network. Then, the B channel selected by the channel switching unit 5 is connected, and the communication between the data terminal and the partner terminal is started.

In this case, when the communication speed in the data interface 1 is less than 64 Kbps, the data transfer speed is converted into 64 Kbps by the speed conversion unit 3 according to the command from the control unit 4, and the data is transferred. Done.
In data communication by D-channel packet exchange,
When the communication is accepted at the time of receiving the CN packet from the ISDN line network, the CA packet is sent to the ISDN line network according to the instruction of the control unit 4 to perform the communication.

[0006]

In the above-mentioned conventional terminal adapter device, since the communication is unconditionally performed when the interface with the partner terminal matches, the communication is exclusively guaranteed with the specific partner terminal. It is not possible. Also, when accepting incoming calls from terminals related to the host terminal / terminal terminal, the communication charge is always set for each terminal, and the host terminal can collectively bear the communication charge and On the other hand, it is not possible to perform service communication in which the communication charge is borne by the receiving side.

The present invention has been made in view of the current state of operation of the terminal adapter as described above, and an object thereof is to guarantee communication with a specific partner terminal and perform exclusive communication. Another object of the present invention is to provide a terminal adapter device capable of performing communication while being able to carry out communication by a terminal having a communication fee set in advance.

[0008]

To achieve the above object, the present invention is a terminal adapter device for controlling the connection of a data terminal to an ISDN network, and a line interface for interfacing with the ISDN network,
A data interface for interfacing with the data terminal, a registration means for storing address information and password information of the partner terminal, and password information for the self terminal, and setting means for setting the password communication mode and the recalling communication mode. Controlling the operation of the line interface and the data interface based on the setting mode by the setting means and the registration information of the registration means,
It is characterized by having a password communication for communicating with a specific partner terminal, or a control means for selectively selecting service communication for disconnecting the call of the partner terminal and re-calling from the own terminal for communication. is there.

[0009]

According to the structure of the present invention, the registration means stores the address information and password information of the partner terminal and the password information of the self terminal, and the control means responds to the communication mode set by the setting means. , A data interface for interfacing with an ISDN network and a data interface for interfacing with a data terminal are controlled to perform a corresponding communication operation.

That is, when the password communication mode is set by the setting means, the control means confirms whether the password of the self terminal registered in the registration means matches the password of the call setting message or the CN packet from the partner terminal. Thus, the password communication is performed in which the operations of the line interface and the data interface are controlled, and the communication with the specific partner terminal is exclusively performed.

Further, when the password communication mode and the recalling communication mode are set by the setting means, the control means causes the password of the self terminal registered in the registration means and the password of the call setting message or the CN packet from the partner terminal to be registered. The service communication is performed in which the operation of the line interface and the data interface is controlled, the call of the partner terminal is disconnected, the call is recalled from the self terminal, and communication is performed.

[0012]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to FIGS.

FIG. 1 is a block diagram showing the configuration of this embodiment. The same parts as those of FIG. 3 already described are assigned the same reference numerals, and FIG. 2 is a flow chart showing the operation of this embodiment. .

As shown in FIG. 1, in this embodiment, a control unit 4A is provided in addition to the conventional terminal adapter device which has already been described with reference to FIG.
The address management unit 2 in which the address information and password information of the specific partner terminal and the password information of the self terminal selected in advance are stored is connected. When the password of the partner terminal and the password of the self terminal match, the control unit 4A of the present embodiment performs password communication with the partner terminal based on the setting in the man-machine unit 7, or the partner terminal. , The call is disconnected from the own terminal and the other terminal is called again,
It has the function of performing service communication.

The structure of the other parts of this embodiment is the same as that of the conventional terminal adapter described with reference to FIG.

Next, the operation of this embodiment having such a configuration will be described with reference to FIG. In contrast to the present embodiment, when a call setup message is received at the time of circuit switching and a CN packet is received at the time of packet switching, the control unit 4A determines whether the password communication mode is set from the man-machine unit 7 in step S1. If it is determined that the password communication mode is set, the process proceeds to step S2, and the control unit 4A determines whether the recalling communication mode is set from the man-machine unit 7. Step S2
When it is determined that the recalling communication mode is set, the control unit 4A determines whether or not the address information of the partner terminal is stored in the address management unit 2 in step S3. If the address information has been registered, the process proceeds to step S4.

At step S4, the control section 4A causes
It is determined whether or not the password of the own terminal stored in the address management unit 2 and the password included in the call setup message or the CN packet match. When the passwords match, the process proceeds to step S5,
The call from the partner terminal is disconnected, the own terminal re-calls the partner terminal, and the service communication is executed.

If it is determined in step S3 that the address of the partner terminal is not stored in the address management unit 2,
If it is determined in step S4 that the passwords do not match, the process proceeds to step S11 and the call with the partner terminal is disconnected. If it is determined in step S1 that the password communication mode is not set, step S6
Then, normal communication with the partner terminal is performed.

When it is determined in step S2 that the recalling communication mode is not set, the process proceeds to step S7, in which the control unit 4A determines whether the address information of the partner terminal is stored in the address management unit 2. If it is determined that the address information of the partner terminal is already registered, the process proceeds to step S8, and the control unit 4A causes the address management unit 2
It is determined whether or not the password of the self-terminal stored in and the password included in the call setup message or the CN packet match, and if the passwords match,
Go to step S9. In step S9, the control unit 4A determines whether or not the recalled call setting mode is set for the registered partner address. If the recalled call setting mode is set, the process proceeds to step S5. The call from the partner terminal is disconnected, the own terminal re-calls the partner terminal, and the service communication is executed. If it is determined in step S9 that the recall setting mode is not set, the process proceeds to step S10, and password communication is performed with the partner terminal.

If it is determined in step S7 that the address of the partner terminal is not stored in the address management unit 2, or if it is determined in step S8 that the passwords do not match, the process proceeds to step S12 and the partner terminal The call is disconnected.

As described above, according to this embodiment, when the password communication mode is set by the man-machine unit 7, the control unit 4A uses the password of the self terminal and the password of the call setup message or the CN packet from the partner terminal. The password communication is performed by confirming the coincidence with and ensuring the communication with the specific partner terminal. Also, the man-machine section 7
When the password communication mode and the recalling communication mode are set by the control unit 4A, the control unit 4A confirms that the password of the own terminal and the password of the call setting message or the CN packet from the partner terminal match, and the call of the partner terminal is called. Disconnect the
Service communication is performed in which a call is recalled from the own terminal and communication is performed. For this reason, by selectively registering a specific partner terminal, communication with the specific partner terminal can be exclusively guaranteed, and communication fee payment can be centralized. It becomes possible to realize service communication that bears the communication charge of.

[0022]

According to the present invention, when the password communication mode is set, it is confirmed whether the password of the self terminal and the password of the partner terminal match, and the communication with the particular partner terminal is exclusively guaranteed. Password communication to be carried out,
When the password communication mode and the recalling communication mode are set, the password of the own terminal and the password of the other terminal are confirmed to match, the call of the other terminal is disconnected, and the call is recalled from the own terminal to perform communication. Since service communication is performed, it is possible to guarantee communication by selecting a specific partner terminal, and it is possible to centralize communication fee payments. Furthermore, service communication that bears the communication fee of the partner terminal Will be feasible.

[Brief description of drawings]

FIG. 1 is a block diagram showing the configuration of an embodiment of the present invention.

FIG. 2 is a flowchart showing the operation of the embodiment.

FIG. 3 is a block diagram showing the configuration of a conventional terminal adapter device.

[Explanation of symbols]

 1 data interface 2 address management unit 3 speed conversion unit 4A control unit 5 channel switching unit 6 line interface 7 man-machine unit

Claims (1)

[Claims] 1. A terminal adapter device for controlling connection of a data terminal to an ISDN network, a line interface for interfacing with an ISDN network,
A data interface for interfacing with the data terminal, a registration means for storing address information and password information of the partner terminal, and password information for the self terminal, and setting means for setting the password communication mode and the recalling communication mode. Controlling the operation of the line interface and the data interface based on the setting mode by the setting means and the registration information of the registration means,
A terminal adapter characterized by having a password communication for communicating with a specific partner terminal, or a control means for selectively performing service communication by disconnecting a call of the partner terminal and re-calling from the self terminal. apparatus.