JP2002300230A - Communication terminal device with transfer function - Google Patents

Abstract

PROBLEM TO BE SOLVED: To prevent a hooking signal from not being transmitted and also a line from being considered as disconnected due to a failure of an exchange, a line, etc., when performing transfer in a transfer mode after a response. SOLUTION: A signal discrimination timing value stored in a device in advance is read (ST51), a CML relay is turned off (ST52), the CML relay is subsequently turned on (ST55) after a period corresponding to the timing value passes (ST53 and ST54), the current timing set value is read (ST57) when line disconnection is decided there (ST56), whether or not to be <=300 mm sec is decided (ST58), a new set value is defined as 1,000 mm sec in the case of being <=300 mm sec (ST59), and timing is adjusted as a new timing value from subtracting 100 mm sec from the current set value in the case of not being <=300 mm sec (ST60).

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a communication terminal such as a facsimile machine having a transfer function.

[0002]

2. Description of the Related Art Conventionally, some communication terminal devices such as facsimile devices use a voice warp provided by NTT to set a "transfer after response" mode. In this type of communication terminal device, if a transfer is set after a response, hooking is performed after an incoming call and transfer is started by dialing. When this transfer is started, a hooking signal is sent. The allowable timing value of this hooking signal is specified by NTT, and is 0.3 seconds to
1.0 second.

[0003]

In the above-described conventional facsimile apparatus having a transfer function using voice warp, when a transfer is actually started after an incoming call, a hooking signal cannot be transmitted due to an exchange, a line, or the like. In some cases, the transfer is not performed, which is very inconvenient.

SUMMARY OF THE INVENTION The present invention has been made in view of the above problems, and a transfer function capable of preventing a hooking signal from being transmitted due to a failure in an exchange, a line or the like at the time of transfer and preventing the line from being regarded as disconnected. It is intended to provide a communication terminal device with a tag.

[0005]

SUMMARY OF THE INVENTION A communication terminal device with a transfer function according to the present invention temporarily releases a line before transmitting a transfer destination number to an exchange after receiving a telephone line connection unit, a transfer number storage unit, and the like. And a control unit capable of setting a time for hooking.

In this communication terminal device with a transfer function, when the device is installed at the actual installation location, the time period for temporarily opening the transmission terminal number before sending the transfer destination number to the exchange is adjusted so that the transfer can be performed properly and reliably. .

[0007]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, the present invention will be described in more detail with reference to embodiments. FIG. 1 is a block diagram showing a device configuration of a communication system to which a facsimile apparatus (communication terminal apparatus) according to an embodiment of the present invention is applied. In FIG. 1, the user having the facsimile machine 23 is notified of the sender 21
It is assumed that when receiving a facsimile or telephone call from the exchange 22 via the exchange 22, the received information is transferred to the transfer destination 24 or the transfer destination 25 via the exchange 22.

As shown in FIG. 2, the facsimile apparatus 23 includes an NCU 1, a modem 2, an image memory 3, a RAM
4, a ROM 5, a main control unit (CPU) 6, a bus 7
, A display unit 8, an operation unit 9, a reading unit 10, and a recording unit 11. The NCU 1 has a function of connecting the telephone 13 and controlling connection with the telephone line 12, and detecting transmission and reception of the telephone number (= corresponding dial signal) of the other party. Modem 2 uses IT
U.T. Recommendation T. 30 based on a facsimile transmission control procedure according to V.30. 17, V.I. 27ter, V.I. Modulation of the transmission data and demodulation of the reception data according to 29 or the like.
The image memory 3 temporarily stores received image data and image data read by the reading unit 10. RAM4 is
Various information about the facsimile machine is temporarily stored. The ROM 5 stores a program for controlling the entire apparatus. The main control unit 6 is constituted by a CPU, a according to the program stored in the ROM 5, and controls each unit constituting the apparatus. The display unit 8 displays various kinds of information such as the operation state of the apparatus and the display of a transfer time zone. The operation unit 9 includes ten keys, one-touch keys, a start key, and other keys. The reading unit 10 reads image data on a document and outputs black and white binary image data. Recording unit 11
Comprises an electrophotographic printer, and records received image data and image data of a document read by the reading unit 10 on a recording sheet in a copying operation. However, the hardware configuration of the embodiment facsimile apparatus 23 shown here is as follows.
It is not particularly novel, and each circuit configuration itself is already well known. A new feature of the facsimile apparatus according to the present embodiment resides in a function achieved by a process executed by the main control unit 6 by a system program stored in the ROM 5.

Hereinafter, the features of the processing functions of the facsimile apparatus according to this embodiment will be described with reference to the flowcharts shown in FIGS.

When the operation is started, first, at step ST1
In, it is determined whether there is an incoming call. If there is an incoming call, the process proceeds to step ST2. In step ST2, it is determined whether or not a fax standby mode is set. In the case of FAX stand-by mode, the process proceeds to step ST6. Meanwhile, FA
If the mode is not the X standby mode, the process proceeds to step ST3.

In step ST3, FAX / TE
L, It is determined whether the mode is the TEL / FAX standby mode. Determination YES, i.e., when one that is FAX / TEL, the TEL / FAX standby mode, the process proceeds to step ST4. On the other hand, if not in the standby mode, step ST
Move to 7. In step ST4, it is determined whether or not the automatic transfer setting is set. If the setting is not automatic transfer, the process proceeds to step ST8. On the other hand, in the case of automatic transfer, the process proceeds to step ST5.

In step ST5, a voice message "Please wait for a while" is transmitted to the transmission source via the exchange, and the process proceeds to step ST10. In step ST6, a facsimile communication process is executed, the process proceeds to step ST9, the line is disconnected, and the process ends. In step ST7, an answering machine process is executed, and the process also proceeds to step ST9, where the line is disconnected and the process ends. Further, in step ST8, the fax /
The communication processing of TEL and TEL / FAX is executed, the process proceeds to step ST9, the line is disconnected, and the process ends.

In step ST10, a time-up of 4 seconds is set, and then the process proceeds to step ST11.
In step ST11, it is determined whether or not CNG (voiced terminal signal) detection is performed. In the case of CNG detection, the process proceeds to step ST15. If not, the process proceeds to step ST12. In step ST12, it is determined whether or not polarity inversion has been detected, that is, whether or not the caller has hung up. If polarity inversion is detected, step S
The process proceeds to T9, disconnects the line, and ends the process. On the other hand, when the polarity is not inverted, the process proceeds to step ST13.

A step ST13 decides whether or not BUSY is detected. In the case of BUSY detection, the process proceeds to step ST9, disconnects the line, and ends the process. On the other hand, if not BUSY signal detection, the process proceeds to step ST14. In step ST14, it is determined whether or not the time of the 4-second timer has expired, that is, whether or not 4 seconds have elapsed since the voice transmission of the wait for a while. If the time is up, the process proceeds to step ST16. On the other hand, if the time has not elapsed, the process returns to step ST10. In step ST15, a FAX reception process is performed. Then, the process proceeds to step ST9.

In step ST16, a voice message "I will transfer the telephone now" is sent to the sender. Then, the process proceeds to step ST17. In step ST17, a two-second time-up is set, and the process proceeds to step ST18. In step ST18, it is determined whether or not CNG detection is performed. In the case of CNG detection, the process proceeds to step ST22. Step ST2
In step S2, a facsimile reception process is executed, and step ST
Then, the process is terminated, and the process is terminated. Step ST
If it is not CNG detection in step 18, step ST
Move to 19.

In step ST19, it is determined whether or not polarity inversion has been detected. In the case of polarity reversal detection, the process proceeds to step ST9, disconnects the line, and ends the process. On the other hand, when the polarity is not detected, the process proceeds to step ST20. In step ST20, it is determined whether or not BUSY detection has been performed.
Then, the process is terminated with the line disconnected. Meanwhile, BUS
If there is no Y detection, the process proceeds to step ST21. In step ST21, it is determined whether the 2-second timer has expired. If the time is not up, the process returns to step ST17 and repeats the processing of steps ST18,..., Step ST21. In step ST21, the 2-second timer times out, and the routine goes to step ST23.

In step ST23, a signal discrimination timing value (timing value is, for example, 0.5 seconds) is obtained, and the process proceeds to step ST24. Step ST2
At 4, the CML relay is turned off. Subsequently, the process proceeds to step ST25. In step ST25, it is determined whether or not the timing value is 0. If the determined timing value is not 0, the process proceeds to step ST26. On the other hand, if the timing value is 0, the process moves to step ST27. In step ST26, a predetermined constant timing value is subtracted from the timing value, and the process returns to step ST25.

In step ST27, the CML relay is turned ON (the period from OFF to ON of the CML relay becomes a timing value), and the process proceeds to the next step ST28. In step ST28, it is determined whether or not there is transfer destination dial data. If there is transfer destination dial data, the process proceeds to step ST29. On the other hand, when there is no transfer destination dial data, the process proceeds to step ST45. In step ST29, a time-up set (timer of 3 seconds) is performed, and the process proceeds to step ST30. In step ST30, it is determined whether or not the 3-second timer has expired. If the time has not elapsed, the process moves to step ST31. On the other hand, if the time is up, the process proceeds to step ST45. In step ST45, it sends a hooking signal. Subsequently, the process proceeds to step ST46. Step S
At T46, a voice message "Called but no response. Excuse me, please call again later" is output. Then, step ST9
Then, the line is disconnected and the process is terminated.

In step ST31, it is determined whether or not the second dial tone has been detected. If the second dial tone is not detected, the process returns to step ST29.
On the other hand, when the second dial tone is detected, step ST
Move to 32. In step ST32, the current polarity is stored. That is, the polarity of the line is maintained. Then, the process proceeds to step ST33. In step ST33, a dial is transmitted. Next, step ST3
Move to 4. In step ST34, the time is set up (10 seconds to 20 seconds). Subsequently, the process proceeds to step ST35.

In step ST35, it is determined whether or not the time is up. If the time is not up, the process proceeds to step ST36. On the other hand, if the time is up, the process proceeds to step ST45. In step ST36, it is determined whether or not a BUSY signal is detected. BUS
If no Y signal is detected, the process proceeds to step ST37. On the other hand, in the case of detecting the BUSY signal, step ST4
Go to 5. In step ST37, it is determined whether or not polarity inversion is detected. If not, the process returns to step ST35. On the other hand, in the case of polarity reversal detection,
The process moves to step ST38. Step ST45
Is the same as described above.

In step ST38, time-up is set (10 seconds). Next, the process proceeds to step ST39. In step ST39, via the exchange to the destination to send a voice message of "I will transfer from the phone now. Please press if it is good #". Subsequently, the process proceeds to step ST40. Step S
At T40, it is determined whether the time is up. If the time is not up, step ST41
Move to. On the other hand, if the time is up, the process proceeds to step ST44.

In step ST41, it is determined whether a BUSY signal has been detected. For BUSY signal detection, the process proceeds to step ST45. On the other hand, if the BUSY signal is not detected, the process proceeds to step ST42. In step ST42, it is determined whether or not polarity inversion has been detected. In the case of polarity reversal detection, the process proceeds to step 45. On the other hand, when the polarity inversion is not detected, the process proceeds to step ST43. In step ST43, it is determined whether or not DTMF "#" indicating transfer permission from the transfer destination has been detected. If DTMF “#” has not been detected, the process returns to step ST40. On the other hand, if DTMF "#" is detected, the process proceeds to step ST9, where the line is disconnected.
The process ends.

After shifting to step ST40, the timer set up in step ST38 times out, or the BUSY signal, polarity inversion, or DTM
Steps ST40 to ST43 until T "#" is detected.
Is repeated. When the time is up in step ST40 and the process proceeds to step ST44, it is determined whether or not the time is up four times or more. If the number of times has not reached four times, the process returns to step ST38, the timer is set again, and the telephone is forwarded, "I will transfer the telephone now. Please press"#"if you like."
Send out a voice message. If there is no response even if the time is up four or more times, the process proceeds to step ST45. Then, in step ST45, a hooking signal is transmitted. Subsequently, the process proceeds to step ST46,
Send a voice message to the caller saying "I called but I didn't get a response. I'm sorry, please try again later." Thereafter, the process proceeds to step ST9, disconnects the line, and ends the process.

Next, another embodiment will be described in which automatic setting of the allowable timing value of the hooking signal is performed. In this case, following the time-up at step ST21 in FIG. 4, the process proceeds to step ST51 shown in FIG. In step ST51, a signal discrimination timing value set and stored in advance is read. Subsequently, the process proceeds to step ST52, where the CML relay is turned off. Next, the process proceeds to step ST53. In step ST53, it is determined whether or not the timing value is 0. If the timing value is not 0, the process moves to step ST54. On the other hand, when the timing value becomes 0, step ST5
Go to 5. In step ST54, the timing value is subtracted, and the process returns to step ST53. Step ST
At 53 and ST54, the progress of the acquired timing value is measured. In step ST55, the CML relay is turned on due to the lapse of time of the stored timing value.
I do. Subsequently, the process proceeds to step ST56.

In step ST56, it is determined whether or not the line has been disconnected. If the line is disconnected, step ST57
Move to. On the other hand, if the line has not been disconnected, the process proceeds to step ST28 in FIG. Thereafter, the processing is continued according to the flowchart shown in FIG.

In step ST57, the current timing set value is obtained (read), and in step ST58.
Move to. In step ST58, it is determined whether or not the timing set value is 300 mmsec or less. If the set value is 300 mmsec or less, the process proceeds to step ST59. On the other hand, if it is not shorter than 300 mmsec, the process proceeds to step ST60. Then, in step ST60, the set value is subtracted by 100 mmsec,
A value smaller by 100 mmsec than the previous timing value is set as a new timing value. Then, step ST
Return to 51. In step ST59, the set value is newly set to 1000 mmsec. Then, the process returns to step ST51.

Here, as described above, step S
In the process from T51 to ST60, it is tried whether or not the line is connected with the timing value initially stored, and if not, it is checked whether or not the timing value is 300 mmsec or less.
mmsec, and if it is 300 mmsec or more, 100 mmsec is subtracted from the setting check, and the timing check for linking the line is adjusted within the specified value of 0.3 to 1.0 second.

As another example of automatic setting of the allowable timing value, the processing shown in FIG. 8 may be performed instead of steps ST56 to ST60 in FIG. In FIG. 8, in step ST61, it is determined whether or not it is the second dial tone. If it is not the second dial tone, step ST6
Move to 2. In step ST62, the current set value is obtained. Next, the process proceeds to step ST63.
In step ST63, the set value is 1000 mms.
ec is determined. And 1000mmse
If not less than c, the process proceeds to step ST64, and the set value is set to 300 mmsec. On the other hand, 1000 mmse
If it is not equal to or more than c, the process proceeds to step ST65, adds 100 mmsec to the set value, and returns to step ST51. Thus, the timing value is set to 300 to 1000 m.
Adjust in msec.

[0029]

According to the present invention, it is possible to set a time for temporarily releasing (hooking) a line after sending a call and before sending a transfer destination number to the exchange. It is possible to set a time corresponding to the line, and it is possible to avoid that a hooking signal cannot be transmitted due to a failure related to the exchange and the line, and that the line is considered to be disconnected.

[Brief description of the drawings]

FIG. 1 is a block diagram showing a device configuration of a communication system to which a facsimile apparatus according to an embodiment of the present invention is applied;

FIG. 2 is a block diagram showing a configuration of the facsimile apparatus of the embodiment.

FIG. 3 is a flowchart for explaining a processing operation of the facsimile apparatus of the embodiment.

FIG. 4 is a flowchart for explaining a processing operation of the facsimile apparatus of the embodiment, together with FIG. 3;

FIG. 5 is a flowchart for explaining a processing operation of the facsimile apparatus of the embodiment, together with FIGS. 3 and 4;

FIG. 6, together with FIGS. 3, 4, and 5, is a flowchart for explaining the processing operation of the facsimile apparatus of the embodiment.

FIG. 7 is a flowchart for explaining a processing operation of another embodiment of the present invention.

FIG. 8 is a flowchart for explaining a processing operation of still another embodiment of the present invention.

[Explanation of symbols]

 Reference Signs List 1 NCU 2 Modem 3 Image memory 4 RAM 5 ROM 6 Main control unit 7 Bus 8 Display unit 9 Operation unit 10 Reading unit 11 Recording unit 12 Telephone line 13 Telephone

Claims (3)

[Claims] 1. A telephone line connection unit, a transfer number storage unit, and a control unit capable of setting a time for temporarily releasing (hooking) a line after receiving a call and before sending a transfer destination number to an exchange. A communication terminal device having a transfer function. 2. The communication terminal device with a transfer function according to claim 1, wherein when the line is released due to said temporary release, the set value is reset to a smaller value. 3. The communication terminal device with a transfer function according to claim 1, wherein when the line is released due to said temporary release, the set value is reset again.