JPH04307853A - Communication equipment - Google Patents

Abstract

PURPOSE:To preform high-speed bulk communication by the procedure in which the transmission side informs the reception side of being a bulk communication and the reception side informs the transmission side of that the bulk reception is possible on the reception side and using idle B channels to perform bulk communication. CONSTITUTION:A CPU 3 of a facsimile equipment 1 on the transmission side adds information of bulk transmission to originate a call through a CCU 12. When judging that two B channels can be reserved, the CPU 3 divides picture information stored in a buffer memory 11 into two and performs bulk transmission by B channels. Since bulk transmission information is added to the calling message, the CPU 3 on the reception side checks idle states of B channels; and when judging that reception is possible, the CPU 3 adds information, which indicates that reception is possible, to a response message to respond to the transmission side and uses B channels to perform bulk reception. Thus, the communication time is shortened to perform high-speed bulk communication of ISDN.

Description

[Detailed description of the invention]

0001

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a communication device such as a facsimile machine capable of communicating via an ISDN (Integrated Services Digital Network).

0002

[Prior Art] Conventionally, when communicating with a facsimile device capable of communicating via ISDN, a line was connected using the ISDN D channel, and communication was performed using one of the two B channels. . Therefore, the other B
When a channel is free, there is a type of bulk communication in which communication is performed using two B channels using this free B channel.

0003

[Problems to be Solved by the Invention] However, although there is a method of bulk communication in the conventional facsimile apparatuses described above, this method is not actually used, and therefore, ISDN's high-speed mass communication I was not able to take full advantage of this advantage.

The present invention has been made in view of the above circumstances, and an object of the present invention is to provide a communication device that can make maximum use of the advantages of ISDN's high-speed, high-volume communication.

[0005]

[Means for Solving the Problems] In order to achieve the above object, the present invention provides a bulk transmission instruction means for an operator on the transmitting side to instruct bulk transmission, and a communication from the transmitting side to the receiving side that is a bulk communication. a bulk communication notification means for notifying that bulk transmission/reception is possible, a judgment means for judging whether bulk transmission/reception is possible, a judgment result notification means for notifying the other party of the judgment result of the judgment means, and communication information for detecting communication information capacity. The communication information dividing means divides the communication information into two B channels for transmission and reception, and the bulk transmission and reception means performs bulk transmission and reception using the two channels. This is a characteristic feature.

[0006]

[Operation] On the transmitting side, when the operator instructs bulk transmission, the communication information capacity is detected and the other party (
(receiving side) that it is bulk communication. and,
It is determined whether bulk transmission is possible, and if bulk transmission is possible, the communication information is divided into two and bulk transmission is performed using two B channels.

[0007] When the receiving side is notified of bulk communication from the sending side, it determines whether or not bulk reception is possible, and if bulk communication is possible, it notifies the sending side. and performs bulk reception using two B channels.

[0008]

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

FIG. 1 shows a facsimile apparatus (
1 is a block configuration diagram of a communication device (communication device). In FIG. 1, 1 is a facsimile device, which has a bus 2. A CPU (microprocessor) 3, a first I/O controller 4, and a second controller 5 are connected to the right side of the bus 2 in the diagram. The CPU 3 is a main control unit that controls the entire facsimile apparatus 1 .

A keypad 6 for performing various operations and a display panel 7 for displaying various messages are connected to the first I/O controller 4, respectively. The keypad 6 is provided with a bulk transmission key (bulk transmission instruction means) 8 for instructing bulk transmission.

The specific structure of the keypad 6 and display panel 7 is shown in FIG.

The keypad 6 and display panel 7 are controlled by a first I/O controller 4. second I
A scanner 9 for reading image information and a printer 10 for outputting image information are connected to the /O controller 5. The scanner 9 includes a reading optical system CCD licensor and the like.

On the other hand, on the left side of the bus 2, there is a buffer memory 11 and a line control unit (hereinafter referred to as CCU) 1.
2 are connected to each other. The buffer memory 11 is
It is used to store image information read by the scanner 9 and received data, and to process data such as image information. C
The CU12 controls communication on the communication line network, and is
Connected to DN.

FIG. 3 is an explanatory diagram showing elements of user-user information (hereinafter referred to as UUI) used in the facsimile machine 1 of this embodiment. In the figure, 13 is a UUI element identifier, and 14 is a user-user information. The user content length, 15, is a protocol identifier, the number of bits is 7, and the number of octets is 731 at maximum. 16 is user information that can be used arbitrarily by the user in this embodiment.

Next, the processing operation of the facsimile machine 1 of the present invention having the above configuration will be explained.

First, the processing procedure of the sending facsimile machine 1 will be explained using the flowcharts shown in FIGS. 1 and 4.

At step S1 in FIG. 4, the operator of the sending facsimile machine 1 instructs bulk transmission by pressing the bulk transmission key 8 provided on the keypad 6. Next, in step S2, the transmitted image information is read by the scanner 9, the read image information is stored in the buffer memory 11, and the CPU 3 detects the image information capacity.

[0018] Then, in the next step S3, the CPU 3 adds information indicating that the transmission is a bulk transmission to the UUI that can be added to the calling message to the other station via the CCU 12. , make a call.

Next, in step S4, the CPU 3
It is determined whether two B channels can be secured between the facsimile machine 1 on the other side (receiving side) and the facsimile machine 1 on the own side (sending side), that is, whether bulk transmission is possible.

If it is determined that bulk transmission is possible, in step S5, the CPU 3 downloads the image information stored in the buffer memory 11 in order to divide the image information into two B channels and transmit the image information. After dividing into two, the CPU 3 performs bulk transmission via the CCU 12 in step S6, and ends the communication in the next step S7.

If it is determined in step S4 that bulk transmission is not possible, for example, if the other party's facsimile machine 1 is already using one of the B channels, then in step S8 the CPU 3 determines whether normal transmission via the other B channel is possible.

If it is determined that normal transmission is possible, the CPU 3 performs normal transmission via the CCU 12 in step S9, and ends the communication in step S7.

Furthermore, if it is determined in step S8 that normal transmission is impossible, for example, if the other party's facsimile machine 1 is already using both B channels, the line is disconnected. That is, communication is ended in step S7.

The above is the processing procedure on the sending side in the facsimile apparatus of the present invention.

Next, the processing procedure of the receiving facsimile machine 1 will be explained using the flowcharts shown in FIGS. 1 and 5.

First, in step S1 of FIG. 5, when the message originated in step S3 of FIG. is added, the CPU 3 knows that the transmission is bulk transmission, so in step S2, the CPU 3 sends the CCU 12
Check the empty status of B channel through. That is, it is determined whether or not bulk reception is possible.

If it is determined that bulk reception is possible, in step S3, the CPU 3 adds information indicating that bulk reception is possible to the UUI of the response message, and sends the calling side (sending side) facsimile to the UUI of the response message. respond to device 1;

Next, in step S4, the CPU 3
Bulk reception is performed via U12, and the next step S5
to end communication.

If it is determined in step S22 that bulk reception is not possible, then in step S6 the CPU 3 determines whether reception using one B channel, that is, normal reception, is possible.

If it is determined that normal reception is possible, in step S7, the CPU 3 adds information indicating that normal reception is possible to the UUI of the response message, and transmits the message to the calling side facsimile machine. Respond to 1.

[0031] Next, in step S8, the CPU 3
Normal reception is performed via U12, and communication is terminated in step S5.

If it is determined in step S22 that normal reception is not possible, in step S9 the CP
U3 adds information indicating that it is unreceivable to the UUI of the response message, responds to the calling facsimile device 1, and ends the communication in step S5.

The above is the processing procedure on the receiving side in the facsimile apparatus 1 of the present invention.

The CPU 3 described above includes bulk communication notification means for notifying the receiving side from the sending side that it is a bulk communication;
a determination means for determining whether bulk communication is possible; a determination result notification means for notifying the other party of the determination result of the determination means; and a communication information capacity detection means for detecting communication information capacity;
It has a communication information dividing means that divides communication information into two B channels for transmission and reception, and a bulk transmission and reception means that performs bulk communication using the two B channels.

In the above-described embodiment, the present invention is applied to a facsimile machine, but the present invention is not limited to this, and can be applied to communication devices other than facsimile machines that can communicate via ISDN, for example, for ISDN. Even in computers with terminals, when performing intercomputer communication, the operator of the sending computer
The same effects as described above can be obtained by instructing the computer that the transmission is bulk transmission and performing communication using the same processing procedure as the flowcharts shown in FIGS. 4 and 5 described above.

[0036]

As explained above, according to the communication device of the present invention, the operator on the transmitting side is provided with bulk transmission instruction means for instructing bulk transmission, and the transmitting side can notify the receiving side that it is bulk communication. The receiving side notifies the sending side whether or not bulk reception is possible and then performs communication. By performing bulk communication when there is an empty B channel, communication time can be reduced and ISDN This has the effect of making maximum use of the advantages of high-speed, high-volume communication.

[Brief explanation of drawings]

FIG. 1 is a block diagram of a facsimile apparatus according to the present invention.

FIG. 2 is a configuration diagram showing a specific example of a keypad and a display panel in the apparatus of FIG. 1;

FIG. 3 is an explanatory diagram showing elements of a UUI used in the apparatus of FIG. 1;

FIG. 4 is a flowchart showing processing operations on the transmitting side of the apparatus in FIG. 1;

FIG. 5 is a flowchart showing processing operations on the receiving side of the apparatus in FIG. 1;

[Explanation of symbols]

1 Facsimile device (communication device) 3 CPU (bulk communication notification means, judgment means, judgment result notification means, communication information capacity detection means, communication information division means, bulk transmission/reception means)

Claims (1)

[Claims] Claim 1: A communication device capable of communicating via ISDN, comprising bulk transmission instruction means for an operator on a transmitting side to instruct bulk transmission, and a notification from the transmitting side to a receiving side that the communication is bulk communication. bulk communication notification means for determining whether bulk transmission and reception is possible; judgment result notification means for notifying the other party of the judgment result of the judgment means; and communication information capacity detection means for detecting communication information capacity. , communication information dividing means for dividing communication information into two B channels for transmission and reception, and bulk transmission and reception means for performing bulk transmission and reception using the two channels. Communication device.