JPH10243195A - Communication equipment - Google Patents

Abstract

PROBLEM TO BE SOLVED: To obtain a communication equipment that is easily transited to communication using a prescribed protocol signal by informing a notice to urge use of the prescribed protocol signal in compliance with the ITU-T(International Telecommunication Union-Telecommunication Sector) recommendations in the case that transmission of a non-standard signal is discriminated to be unavilable. SOLUTION: In the case that transmission of a non-standard signal such as an NSF signal or an NSS signal is discriminated to be unavailable, a control circuit 20 makes a control to inform a notice that desires use of a prescribed protocol signal in compliance with the ITU-T recommendations such as an SUB signal and an SEP signal. Furthermore, in the case that a non-standard signal cannot be received from all destinations, the control circuit makes a control to inform a notice that desires use of the prescribed protocol signal by the entire system equipments. That is, whether or not an exchange of its own equipment supports at least transmission of a non-standard signal is discriminated and when supported, a CML is turned off. In the case that the transmission of the non-standard signal is not supported, a signal level '1' is outputted to a signal line 20h so as to allow a display circuit 24 to display that all destinations are requested to use a prescribed protocol signal in compliance with the ITU-T recommendations.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a communication apparatus such as a facsimile apparatus capable of transmitting non-standard signals and SUB, SEP, and PWD signals.

[0002]

2. Description of the Related Art In a conventional facsimile apparatus, for example, when confidential transmission is performed, a method of specifying confidential transmission using a conventional non-standard signal, and specifying a memory box using SUB, SEP, and PWD signals. There is a method in which the attribute of the memory box is made confidential.

[0003] The first method is simple, but can be used only by one's own machine. Further, the latter second method requires specification on the transmitter side and the receiver side, and is slightly complicated, but has an advantage that it can be performed with another company's apparatus.

[0004]

However, recently, machines for digital transmission between exchanges have been increasing, and in this case, non-standard signals cannot be transmitted.

For this reason, for example, when the user uses the first method, confidential transmission cannot be performed unless the exchange used by the first method supports non-standard signals. Occurs. Similarly, in addition to the confidential transmission, there is a problem that password communication, polling communication, relay broadcast communication, transfer communication, and the like cannot be performed.

SUMMARY OF THE INVENTION It is an object of the present invention to provide a communication device which can easily shift to communication using a predetermined procedure signal recommended by ITU-T when a non-standard signal function cannot be used.

[0007]

Means for Solving the Problems The first invention of the present application is:
In a communication device having means for transmitting a non-standard signal,
If transmission of non-standard signals is determined to be impossible, the ITU
-A notification that prompts communication using a predetermined procedure signal according to the T recommendation is provided.

[0008] The second invention of the present application is the communication device according to the first invention, wherein the non-standard signal is an ITU-T Recommendation T.30. NSF, NSS, and NSC signals defined in the ITU-30.
The predetermined procedure signal according to the T recommendation is SUB, PWD, SE
It is a P signal.

According to a third invention of the present application, when the exchange on its own side does not support non-standard signal transmission, communication using a predetermined procedure signal of the ITU-T recommendation is performed as a whole apparatus. A prompt is displayed.

According to a fourth aspect of the present invention, when the exchange on the side of the own device supports non-standard signal transmission, it promotes communication using a predetermined procedure signal of the ITU-T recommendation for each destination. The display is performed.

[0011] In a fifth aspect of the present invention, for each destination,
If it has a predetermined procedure signal function of the ITU-T recommendation and determines that transmission of a non-standard signal is impossible, it uses a predetermined procedure signal of the ITU-T recommendation corresponding to the destination. A display for prompting communication is provided.

According to a sixth aspect of the present invention, in a control method of a communication apparatus having a means for transmitting a non-standard signal, when it is determined that transmission of a non-standard signal is impossible, a predetermined method according to ITU-T recommendation A notification for prompting communication using a procedure signal is provided.

In a seventh aspect of the present invention, the non-standard signal according to the sixth aspect is characterized in that: NSF, NSS, and NSC signals defined in the ITU-30.
The predetermined procedure signal according to the T recommendation is SUB, PWD, SE
It is a P signal.

In the first, second, sixth, and seventh aspects of the present invention, transmission of a non-standard signal is selected. However, when transmission of a non-standard signal cannot be performed, this same function is called SUB,
It is recommended to use SEP and PWD signals.
It is possible to promote the spread of the predetermined procedure signal of the TU-T recommendation, and to realize a desired function by using any exchange, and to provide a convenient device.

In the third invention, when the exchange on the side of the own device does not support non-standard signal transmission, non-standard signals cannot be transmitted in communication from all destinations. It is effective to promote the use of a predetermined procedure signal of the ITU-T recommendation.

In the fourth and fifth inventions, when the exchange on its own side supports non-standard signal transmission, each exchange has a communication function of a predetermined procedure signal for each destination,
And if it is determined that transmission of non-standard signals is not possible,
It is effective to promote the use of a predetermined procedure signal of the ITU-T recommendation corresponding to the destination.

[0017]

FIG. 1 is a block diagram showing the configuration of a facsimile apparatus according to one embodiment of the present invention.

An NCU (network control unit) 2 connects to a terminal of the line in order to use the telephone network for data communication or the like,
It controls connection of a telephone exchange network, switches to a data communication path, and holds a loop. The NCU 2 connects the telephone line 2a to the telephone 4 when the signal level (signal line 20a) from the control circuit 20 is “0”, and connects the telephone line 2a when the signal level is “1”. It is connected to the facsimile machine side.
In a normal state, the telephone line 2a is connected to the telephone 4 side.

The hybrid circuit 6 separates the transmission system signal and the reception system signal, sends the transmission signal from the addition circuit 12 to the telephone line 2a via the NCU 2, and transmits the signal from the other party via the NCU 2. The signal is received and sent to the modem 8 via the signal line 6a.

The modem 8 is based on ITU-T Recommendation V. 8,
V. 21, V.I. 27ter, V.I. 29, V.I. 17, V.I.
34, and performs modulation and demodulation based on
Each transmission mode is designated by the signal line 20c. The modulator / demodulator 8 receives a signal output on a signal line 20b, outputs modulated data on a signal line 8a, receives a received signal output on a signal line 6a, and outputs demodulated data on a signal line 8b. Output.

The ANSam sending circuit 10 is a circuit for sending an ANSam signal. When a signal of signal level "1" is output to the signal line 20d, the ANSam sending circuit 10 sends the ANSam signal to the signal line 10a and sends it to the signal line 20d. When the signal of the signal level “0” is being output, no signal is output to the signal line 10a.

The addition circuit 12 inputs the information of the signal line 8a and the information of the signal line 10a, and adds the result of the addition to the signal line 12a.
a. The reading circuit 14 reads an image of a document and outputs the read image data to a signal line 14a. The recording circuit 16 is for sequentially recording information output to the signal line 20e line by line.

The memory circuit 18 is used for storing raw information of read data or encoded information, and also for storing received information or decoded information.

When a calling command pulse is generated on the signal line 20g, the calling circuit 22 inputs the telephone number information output on the signal line 20f and outputs a selection signal on the signal line 2b.

The display circuit 24 is provided with the SUB, SE of the ITU-T recommendation for the communication of all the devices, that is, for all destinations.
This is a circuit for displaying that the user wants to use the P and PWD signals. When a signal of signal level "1" is output to the signal line 20h, this signal is displayed, and the signal of signal level "0" is output to the signal line 20h. Not displayed when signal is output.

The display circuit 26 operates in accordance with the ITU-
This is a circuit for indicating that the user wants to use the SUB, SEP, and PWD signals of the T recommendation, and inputs and outputs information output to the signal line 20i.

The one-touch dial registration circuit 28 corresponds to the one-touch dial number from 01 to 50 via the signal line 28a, and stores the telephone number of the destination and the ITU
-Information on whether or not it has a communication function for SUB, SEP, and PWD signals recommended by T, and NSF, NS from this destination.
Information on which of the S and NSC signals has been received;
Information on whether any of the NSF, NSS, and NSC signals of the own device has been received from this destination is stored.

The operation unit 30 includes one-touch dial, abbreviated dial, numeric keypad, * / # key, one-touch dial registration key, SUB, SEP, PWD signal setting key, confidential, relay broadcast, transfer, polling reception designation key, memory There is a box function registration key and the like, and the pressed key information is output to the signal line 30a.

In the first embodiment of the present invention, the control circuit 20 includes a non-standard signal, in this case, NSF, NSS, NS.
If it is determined that transmission of the C signal is impossible, a predetermined procedure signal of the ITU-T recommendation, in this example, SUB, SEP, PWD
Control to notify that a signal is desired.

If non-standard signals cannot be received from all destinations, it is determined that the local exchange does not support non-standard signals, and the SUB, SE as a whole apparatus is determined.
Control is performed to indicate that the user wants to use the P and PWD signals.

FIGS. 2 to 5 are flowcharts showing the control flow of the control circuit 20 in the first embodiment of the present invention.

In FIG. 2, the operation starts at S0 and S2
Then, a signal of signal level "0" is output to the signal line 20h, and the display circuit 24 is set to a state in which no display is performed. In S4,
The display circuit 26 is not displayed via the signal line 20i. In S6, a flag indicating that the non-standard signal has been received is set to 0, and in S8, the value of the communication counter is set to 1.

Next, at S10, a signal of signal level "0" is output to the signal line 20a to turn off the CML. In S12, a signal of signal level “0” is output to the signal line 20d,
The ANSam signal is not transmitted.

In S14, the information of the signal line 30a is input, and it is determined whether or not the registration of the one-touch dial is selected. If it is selected, the process proceeds to S16, and if not, the process proceeds to S18.

At S16, a telephone number is registered via the signal line 28a corresponding to the one-touch dial number, and the SU number is registered.
B, SEP, PWD signal communication function, NSF, N
Clear information on whether SS, NSC signals have been received,
Register in the registration circuit 28. Thereafter, the process proceeds to S18.

In step S18, information on the signal line 30a is input, and it is determined whether or not a call by one-touch dialing is selected. If a call is selected, the process proceeds to step S20. If a call is not selected, the process proceeds to step S46. Proceed to.

At S20, a call is made to the designated destination using the calling circuit 22, and at S22, a signal of signal level "1" is output to the signal line 20a to turn on the CML. S24
Now, perform the previous procedure.

In S26, it is determined in the pre-procedure whether or not the NSF signal has been received. If the NSF signal has been received, the process proceeds to S28, in which the non-standard signal reception flag is set to 1, and the NSF signal is set. If no is received, S36
Proceed to.

In S30, it is determined whether or not the NSF signal of the own machine has been received. If the NSF signal of the own machine has been received, the process proceeds to S32, where the NSF signal corresponding to the call destination is transmitted via the signal line 28a. Then, information that the NSF, NSS, and NSC signals of the own device have been received is registered in the registration circuit 28. Also,
If the NSF signal of the own device has not been received, the process proceeds to S34,
The signal line 28a corresponds to the destination that has just been called, and N
The information that the SF, NSS, and NSC signals have been received is registered in the registration circuit 28.

Next, in S36, at least one of the 47th, 49th, and 50th bits of the FIF of the DIS signal is at least one.
Is determined, and if at least one of them is 1, the process proceeds to S38, and the communication function of the SUB, SEP, and PWD signals is registered via the signal line 28a corresponding to the destination that has just been called. The information is registered in the circuit 28, and the process proceeds to S40. Also,
If all are 0 in S36, the process proceeds directly to S40.

In S40, the image signal is transmitted, and in S42
Then, the post procedure is performed. Then, in S44, the value of the communication counter is incremented by one, and the process proceeds to S10.

In step S46, it is determined whether or not reception has been selected. If reception has been selected, the process proceeds to step S50. If reception has not been selected, the process proceeds to step S48, where other processing is performed.
Proceed to 4.

In S50, a signal of signal level "1" is output to the signal line 20a to turn on the CML, and in S52, the pre-procedure is performed. Then, in S54, it is determined whether or not the NSS signal has been received in this pre-procedure. If the NSS signal has been received, the process proceeds to S56, and 1 is set to the non-standard signal reception flag.
Is set, and if the NSS signal is not received, the process proceeds to S58.

In step S58, an image signal is received. In step S60, a post-procedure is performed. Then, in S62, the value of the communication counter is incremented by one, and the process proceeds to S10.

In S64, the value of the communication counter is 1
It is determined whether or not it becomes 00 or more, and when it becomes 100 or more, the process proceeds to S66, and when it is less than 100, the process proceeds to S10.

In S66, it is determined whether or not the non-standard signal reception flag is 1, that is, whether or not the local exchange supports at least the transmission of non-standard signals, and if so, the flow proceeds to S10. .

If the signal is not supported, the flow advances to S68 to output a signal of signal level "1" to the signal line 20h.
The entire device, that is, ITU-
The display circuit 24 displays a request to use the SUB, SEP, and PWD signals according to the T recommendation.

As described above, when transmission of a non-standard signal is selected, but transmission of a non-standard signal cannot be performed, it is recommended that this same function be performed using SUB, SEP, and PWD signals. It becomes possible to promote the spread of the predetermined procedure signal of the T recommendation, and to realize a desired function by using any exchange, thereby providing a convenient device.

Next, a second embodiment of the present invention will be described.

The second embodiment uses the ITU-T recommendation procedure signal corresponding to each destination when the local exchange supports the non-standard signal transmission in the first embodiment described above. This is to indicate that the user wants to do so. That is, if it is determined that each destination has a communication function of the procedure signal of the ITU-T recommendation and that transmission of the non-standard signal is impossible, the procedure signal of the ITU-T recommendation is corresponded to the destination. Indicates that you want to use.

FIG. 6 is a flowchart showing a part of the operation of the second embodiment different from that of the first embodiment (FIGS. 2 to 5).

In FIG. 6, S70 represents NO in S26. Then, in S72, it is determined whether the non-standard signal reception flag is 1, that is, whether or not the exchange on its own side supports transmission of the non-standard signal. S73 if transmission is supported
If the exchange on its side does not support transmission of the non-standard signal, the operation proceeds to S72 (S36).

In S73, the FIF of the DIS signal 47,
It is determined whether any one of the 49th and 50th bits is at least 1, and if at least any one is 1,
The other party's equipment is the ITU-T recommended procedure signal SUB, SEP, P
Since the WD signal is supported, the process proceeds to S76. If the value is all 0, that is, since the partner device does not support the procedure signals SUB, SEP, and PWD signals recommended by the ITU-T, the process proceeds to S74 (S40).

At S76, the one-touch dial registration circuit 28 makes a determination, and the information of this destination is "NSF, N
Has never received SS or NSC signal, NS of own machine
F, NSS, NSC signals have not been received and S
UB, SEP, PWD signal communication function "is received, and in the case of YES, two consecutive transmissions to the same destination are the same.
Via the line a, the display circuit 26 indicates that it wants to use the SUB, SEP, and PWD signals of the ITU-T recommendation for communication to the destination that has just called. Then, the process proceeds to S10 in S82. If NO in S76, the process proceeds to S78 (S38).

As described above, if the local exchange supports the non-standard signal transmission, the SE is set for each destination.
If it has a communication function of P, SUB, and PWD signals, and it is determined that transmission of a non-standard signal is impossible, it is possible to prompt the use of SEP, SUB, and PWD signals corresponding to the destination. it can.

In the above embodiment, a stand-alone type facsimile apparatus has been described as an example. However, the present invention is not limited to this. For example, a copy function, an electronic file function, and a data processing function are combined with a communication function. Of course, it can be applied to the data communication control in the integrated data processing system.

[0057]

As described above, according to the first, second, sixth, and seventh aspects of the present invention, transmission of a non-standard signal is selected, but transmission of a non-standard signal cannot be performed. It is recommended that this same function be performed using SUB, SEP, and PWD signals, thereby enabling the spread of the prescribed procedure signal of the ITU-T recommendation, and the function being used no matter what exchange is used. It can be realized and a convenient device can be provided.

According to the third invention of the present application, when the exchange on its own side does not support non-standard signal transmission, non-standard signal transmission is impossible in communication from all destinations. Therefore, it is effective to promote the use of the predetermined procedure signal of the ITU-T recommendation for the entire apparatus.

According to the fourth and fifth aspects of the present invention, when the exchange on its own side supports non-standard signal transmission, it has a communication function of a predetermined procedure signal for each destination. If it is determined that the transmission of the non-standard signal is impossible, it is effective to promote the use of the predetermined procedure signal of the ITU-T recommendation corresponding to the destination.

[Brief description of the drawings]

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

FIG. 2 is a flowchart showing the operation of the first embodiment of the present invention.

FIG. 3 is a flowchart showing the operation of the first embodiment.

FIG. 4 is a flowchart showing the operation of the first embodiment.

FIG. 5 is a flowchart showing the operation of the first embodiment.

FIG. 6 is a flowchart showing the operation of the second embodiment of the present invention.

[Explanation of symbols]

 2 ... NCU, 4 ... telephone, 6 ... hybrid circuit, 8 ... modulator / demodulator, 10 ... ANSam transmission circuit, 12 ... addition circuit, 14 ... read circuit, 16 ... recording circuit, 18 ... memory circuit, 20 ... control circuit, 22 ... Calling circuit, 24, 26 ... Display circuit, 28 ... One-touch dial registration circuit, 30 ... Operation unit.

Claims (7)

[Claims] In a communication apparatus having means for transmitting a non-standard signal, if it is determined that transmission of the non-standard signal is impossible, the ITU
-A communication device for issuing a notification prompting communication using a predetermined procedure signal according to the T recommendation. 2. The communication system according to claim 1, wherein the non-standard signal is an ITU-T Recommendation T.2. NSF, NSS and NSC signals defined in ITU-T 30
The predetermined procedure signal according to the recommendation is SUB, PWD, SEP
A communication device, which is a signal. 3. The communication system according to claim 1, wherein when the exchange on the side of the communication apparatus does not support non-standard signal transmission, communication using a predetermined procedure signal of the ITU-T recommendation is performed as a whole apparatus. A communication device for displaying a prompt. 4. The communication system according to claim 1, wherein, if the local exchange supports non-standard signal transmission, a predetermined procedure signal of the ITU-T recommendation is used for each destination. A communication device for performing a display prompting all kinds of communication. 5. The method according to claim 4, wherein each destination has a predetermined procedure signal function of the ITU-T recommendation, and if it is determined that transmission of a non-standard signal is impossible, the destination is handled. A communication device for performing a display prompting communication using a predetermined procedure signal of the ITU-T recommendation. 6. A method for controlling a communication device having a means for transmitting a non-standard signal, the method comprising the steps of:
-A control method for a communication device, wherein a notification for prompting communication using a predetermined procedure signal according to the T recommendation is performed. 7. The non-standard signal according to claim 6, wherein the non-standard signal is defined in ITU-T Recommendation T.40. NSF, NSS and NSC signals defined in ITU-T 30
The predetermined procedure signal according to the recommendation is SUB, PWD, SEP
A method for controlling a communication device, the method being a signal.