JP2001211248A - Phone terminal - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a phone terminal that corrects dial information by deleting the dial information, entered through a dialing operation. SOLUTION: The phone terminal is provided with a transmission/redial button 209, that enters a telephone number and with an LCD display device 204 that displays the telephone number entered by the transmission/redial button 209. Operated dial information is displayed on the LCD display device 204, when transmission/redial button 209 is depressed in a hook-off state. While the LCD display device 204 displays dial information, when a correction button 206 is depressed once, one of dial information displayed at the right end of the dial information is deleted. While the LCD display device 204 displays the dial information, when the transmission/redial button 209 is depressed, the transmission of the dial information is started.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a telephone capable of displaying a dialed content on a display device when a dial button is operated to dial.

[0002]

2. Description of the Related Art Conventionally, when a motor dial operation is performed, it is possible to display the dialed contents. However, if there is an erroneous operation in the dial operation, it is possible to re-input all the dials. Was.

[0003]

However, when the above-mentioned conventional telephone operation is performed, even if one dial is erroneously input, all the dial operations must be re-operated, and the dial operation of the telephone is performed. There was a problem that increases.

[0004] An object of the present invention is to solve such a problem of the prior art, and it is possible to correct a dial input before transmitting the dial by deleting the dial input by dial operation. Make it possible.

[0005]

According to the present invention, there is provided a telephone having a dial button for inputting a telephone number and a display for displaying the telephone number input by the dial button. Wherein, when the dial button is operated in an off-hook state, monitor display means for displaying the operated dial information on the display, and a correction button when the monitor display means displays the dial information. Is pressed once to delete one piece of dial information displayed at the right end of the dial information, and when the dial information is displayed on the monitor display means, when the call button is pressed, the dial information is deleted. And transmission means for starting transmission of the message.

Further, as a telephone which achieves the above object,
The deletion means deletes the same number of pieces of the dial information as the number of times the correction button is pressed from the right end.

[0007]

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

FIG. 1 is a system configuration diagram of the present invention. In FIG. 1, a private branch exchange (hereinafter referred to as “PBX”) 12
Performs circuit switching. The PBX 12 is a data telephone terminal (hereinafter referred to as "IDT") which is a terminal device.
10 and a normal extension telephone 13 are accommodated, and a call exchange connection is made between them. In addition, PBX
12 is a terminal adapter (hereinafter referred to as “TA”) 14
A host computer (hereinafter, referred to as “HOST”) 16 as an information management device is connected to the
And HOST 16 are also freely connected.

The IDT 10 has a telephone function, a data communication function, and a display function for data communication. However, the IDT 10 itself does not manage data,
This is to enjoy the data managed by HOST16. Therefore, the HOST 16 performs data communication with the IDT 10, and provides various service functions in response to a request command from the IDT 10.

The communication paths between the IDT 10 and the PBX 12 and between the PBX 12 and the TA 14 are connected by a so-called 2B + D line interface 11, which is an ISDN basic interface.

A communication path between the TA 14 and the HOST 16 is connected to a serial interface 15 which is an RS-232C interface conforming to the EIA standard.

FIG. 2 is an external view of the IDT 10 of the present invention, wherein (a) is a front view, (b) is a left side view, (c) is a right side view, and (d) is a back view.

As shown in FIG. 2, the IDT 10 is
0, handset 201, line connection rosette 217
AC that supplies DC power from the AC100V to this device
The main body 20 is constituted by an adapter 216.
In 0, an extension paper 202, a speaker 203, an LCD display 204 as a display means, an LCD display contrast adjustment knob 218, and various push buttons are mounted.

FIG. 3 shows a board view of the IDT 10. As shown in FIG. In FIG. 3, a free function button 205
Is a call start button at the time of data communication, and codes (F1 to F5) corresponding to the button pressed at the time of calling are included in the user setting information (UUI) of the call setting message as transmission data. Sent to. Also,
When the free function button 205 is pressed after connection to the data communication line, the HOST is connected via a communication path.
16 to receive various services.

The correction button 206 is used to correct a number input by the ten-key 207. The number displayed on the monitor in the area (b) of the LCD display 204 is blanked by deleting one character from the right end each time the button is pressed. It is to let.
When the numeric keypad 207 is pressed after connecting the data communication line, the numeric input is displayed on the LCD display 204 as a monitor, and the # button or the free function button 20 is displayed.
After pressing any one of the buttons F1 to F5 out of 5, the data is transmitted to the HOST 16 via the communication path to receive various services. On the other hand, the numeric keypad 207
When the handset 201 is off-hook or when the on-hook dial button 210 is pressed, it is used for dialing a telephone and is used for dialing a telephone. After dial number input, the dial / redial button 209 is pressed, or after 6 seconds have elapsed. , Which is transmitted by a call setting message to establish a connection with a telephone line.

The call / re-dial button 209 is used as a re-dial function during standby or off-hook, in addition to the above-described call operation, for redialing the last called party. Things. The hold button 208 is used for temporarily holding during a call. The transfer button 211 is used to transfer a call during a call. Hooking button 212 is PBX during a call
12 is used when requesting transmission of a hooking pulse when the other party is an analog line.

The disconnect button 215 is used to forcibly disconnect a data communication line during data communication. The switch button 213 is used to switch to a circuit on the external terminal side by depressing a data communication line connected to the LCD display unit 204. The volume UP and volume DOWN buttons 214 adjust the level of the ring tone during standby or ringing, while the handset 201 is off-hook, the handset reception sound level is adjusted, and the on-hook dial button is used. While the monitor is being listened to by pressing 210, the speaker volume is used to adjust the speaker volume.

FIG. 4 is an internal block diagram showing the entire configuration of the IDT 10, and the line section 4 is separated by a dashed line in FIG.
00A and a display section 400B.

In the line section 400A as a communication means, a line interface circuit 401 is a digital line interface having a so-called 2B + D channel, which is an ISDN basic interface, for performing call control with the PBX 12 and switching connection between B channels. .
The codec filter circuit 402 is connected to the line interface circuit 401, and encodes and decodes an audio signal and generates various tones. The communication circuit 403 adjusts the gain and frequency characteristics of the voice signal, and controls the switching of the input / output destination.

The data rate conversion circuit 404 is connected to the line interface circuit 401, and performs bit format conversion and communication speed conversion between the B channel and the RS-232C during data communication. Peripheral circuit 40
Reference numeral 5 denotes a circuit for MPU bus conversion, an address decoder, and a watchdog timer. The power supply voltage detection circuit 407 sends out a reset signal when the power of this apparatus is turned on. The reset signal is also transmitted when a drop in the power supply voltage is detected and when the watchdog timer times out.

A key scan circuit 406 is a matrix circuit of operation buttons mounted on the panel of the apparatus, and detects a pressed operation button. MPU40
Reference numeral 8 denotes a microprocessor that controls the entire line unit 400A. Also, from the line section 400A to the display section 400B,
It also has a function of serially transferring necessary information such as a pressed key code, a communication attribute, and D channel information.

The ROM 409 is a storage circuit that stores programs and data of the MPU 408. RAM41
Reference numeral 0 denotes a rewritable storage circuit for storing data used for calculation and control in the MPU 408, and the storage content is volatilized when the power is turned off. The EEPROM 411 is a rewritable storage circuit for storing the contents registered and changed in the present apparatus, and the stored contents are not volatilized even when the power is turned off.

The power supply circuit 412 receives a DC supply from an external AC adapter and receives a DC voltage (+5 V, -5 V,-
21V).

In the display section 400B, the MPU421
Is a microprocessor that controls the entire display unit,
Further, it has a function of serially receiving necessary information such as a pressed key code, a communication attribute, and D channel information from the line section 400A. The communication data transmitting / receiving circuit 422 includes:
It transmits and receives serial communication data via the data rate conversion circuit 404 and the RS-232C interface, and converts it into parallel communication data. ROM 424 is
This is a storage circuit that stores programs and data of the MPU 421. The RAM 423 is a rewritable storage circuit for storing data used for calculation and control by the MPU 421, and is a storage circuit whose storage contents are volatilized when the power is turned off.

The address selection circuit (MPX) 425 is a buffer memory circuit (V
-RAM) 426, the storage address is MPU421
Or the LCD controller 429. The CG access circuit 427 is
According to the display character code output from the buffer memory circuit (V-RAM) 426, the character generator (C
G) Output a conversion code for accessing the 428, and based on the code, the character generator 428 outputs dot information necessary for LCD display.

The LCD controller 429 has a size of 320 × 2
This is a control circuit for displaying a screen on a 40-dot LCD display 430, and also for sending address timing to the MPX 425 and controlling LCD display timing.

FIG. 5 shows an IDT according to the embodiment of the present invention.
10 is a state transition diagram of FIG. In FIG. 5, when the power is turned on, a power ON state 501 is set, an automatic call for data communication is subsequently performed, and a transition is automatically made to a data communication state 502. Also, in the data communication state 502, when the disconnection button 215 is pressed, the disconnection processing is performed once,
An automatic call for data communication is performed in the same manner as the automatic call from the ON state 501, and the data communication state 502 is returned again.
Transition to. Further, in the data communication state 502,
Standby state 50 when HOST 16 generates ER OFF
Transition to 3.

In the standby state 503, when any one of the function buttons 205 (Fn, where n is 1 to 5) is pressed, a call for data communication is activated, and the state transits to the data communication state 502. . If there is an incoming call in the standby state 503, an automatic response is made and the state transits to the data communication state 502.

When the numeric keypad 207 and the function button 205 are pressed in the data communication state 502, information corresponding to the pressing operation is transmitted via the communication path to the HO.
Sent to ST16. Further, in the data communication state 502, when the handset 201 is off-hook or the on-hook dial button 210 is pressed, the state transits to the standby state 504, and the numeric keypad 207 becomes a dial button for calling a telephone function, and inputs a dial number to be called. Becomes possible. In this standby state 504, if there is a response from the other party, the state transitions to the data communication state 502 again, and the data communication state becomes available.

FIG. 6 shows a power-on sequence in the data communication system of the present embodiment. In FIG. 6, first, when the power to the IDT 10 is turned on 600, the POW is turned on.
The state becomes the RON state, the IDT 10 is activated, and initialization is performed. The IDT 10 transmits, via the D channel, a call setup message (SETUP) 601 including an F0 code which is an automatic call to the user user information, that is, call information to the PBX 12, and a call setup acceptance message (CALL PROC) from the PBX 12. ) 602 is received.

On the other hand, the PBX 12 transmits a call setup message (SETUP) 603 to the TA 14. Then, the TA 14 receives the notification and sends the incoming call indication (CI) 604 to the HOST 16. TA14 is PBX1
2 transmits a paging message (ALERT) 605 to the IDT 10, and the PBX 12 transmits a paging message (ALERT) 606 to the IDT 10. Further, the TA14 receives the ER ON 607 from the HOST 16 and
2 transmits a response message (CONNECT) 608 to the IDT 10, and the PBX 12 transmits a response message (CONNECT) to the IDT 10.
(NECT) 609 is transmitted. Then, PBX12 is T
A14 has a response confirmation message (CONN ACK) 6
11 is transmitted. TA receiving CONN ACK611
Reference numeral 14 denotes a communication path (B channel) 6 to the HOST 16.
13 and sends DR612. The IDT 10 also checks the DR6 after the connection of the B channel 613 is confirmed.
10 to the IDT internal display output. Where IDT
B channel communication path 61 between 10 and HOST 16
3 is established.

Upon receiving the DR612, the HOST 16 waits at least 100 ms after the timing (T0).
LCD as initial data from our service software
Transmitting the display data 614 through the B channel 613;
The IDT 10 that has received it displays it on the LCD display 204. The initial data is a main menu as a so-called initial screen. As mentioned above, IDT10
Does not manage the image information data by itself, so it is necessary to receive the data of the main menu from the HOST 16 as well. Further, the IDT 10 determines whether there is an error in the received data, and if there is no error or there is an error, the approval text (ACK) or the rejection text (NA
K) 615 is transmitted via the B channel 613.

HOST that has finished transmitting LCD display data
16 sends ER OFF 616 to TA 14,
14 is a disconnection message (DISC) 61 in the D channel.
7 to the PBX 12 and the PBX 12
0, a disconnection message (DISC) 618 is sent. I
The DT 10 sends a release message (RELEASE) 619 to the PBX 12, and the PBX 12 sends a release message (RELEASE) 620 to the TA 14 to make a release request.

PBX1 receiving RELEASE619
2 sends a release completion message (REL COM
P) 621 and TA 14 receiving RELEASE 620 transmits REL COMP 622 to PBX 12
To end the power-on sequence.

FIG. 7 shows an application service sequence in the data communication system according to the present embodiment. In FIG. 7, in the main menu displayed on the LCD display 204 of the IDT 10, a desired application service to be enjoyed (hereinafter referred to as “APS”) is selected, and the function button 2 corresponding to the APS is selected.
05 is pressed (700), Fn is included in the user information of the call setting message to receive the provision of the APS corresponding to the pressed button (Fn; n = 1 to 5). , PBX12. Thereafter, through the same procedure as 601 to 613 in the power-on sequence in FIG. 6, a communication path on the B channel is established. That is, the function button 205 functions as a selection unit for selecting a desired APS.

After the communication path is established, the display data 701 of the selected APS is transmitted to the IDT 10, and the display data is displayed on the LCD display 204 (702). I
DT10 sends a confirmation message (ACK) 703 to HOST
16 to be transmitted.

In response to the required key input 704, the key data 705 is displayed in the HOST1 for the displayed APS.
6 and the corresponding lower-level new AP
Makes a request for S display data, and the AP corresponding to the request
S display data 706 is received from HOST16,
The message is displayed (707) on the display 204, and a confirmation message (ACK) 708 is transmitted to the HOST16. This 70
By repeating steps 4 to 708, the intended service can be received.

When terminating the provision of the service, when the function button Fn corresponding to the termination is pressed (709), the key data information 710 of Fn is transmitted to the service software of the HOST 16 via the B channel, and the initial screen data 711 is based thereon. Is transmitted to the IDT 10. IDT10 sends confirmation message 712 to HOST16.
Send to Thereafter, the procedure of the cutting sequence 616 to 622, which is the same as the power-on sequence of FIG. 6, is performed.

After the disconnection, the initial screen data 711 contains the IDT
Then, the APS sequence is completed.

FIG. 8 shows a forced disconnection sequence in the data communication system of the present embodiment. In FIG. 8, when the forced disconnection is arbitrarily performed during the reception of the APS without a line error or no response, the disconnection key 215 is pressed (800), and a disconnection message (DISC) 801 is transmitted. The PBX 12 that receives it TA1
4 sends a disconnect message (DISC) 802 to
Release message to IDT10 (RELEASE)
804 and a release completion message (RELCOM)
P) 805 is received. The host computer 16 is ER
OFF806 is sent, and TA14 receives it and PBX
A release message (RELEASE) 807 is transmitted to the terminal 12 and a release completion message (REL COMP) 80
8 to complete the forced disconnection.

In addition, I received REL COMP805
The DT 10 takes a timing T1 (T1 is 500 ms or more), and sets a call setup message (SETUP) 80 for initial setting.
9 is transmitted, and after the same startup sequence as the power-on sequence, normal service provision and reception are possible.

FIG. 9 shows an error retransmission sequence in the data communication system according to the present embodiment. In FIG.
If there is an error in the LCD display data 901, 903, 905, a negative message (NAK) 9
02, 904, and 906 to the service software of the HOST 16 to request retransmission and error display. However, even if there is an error in the display data, IDT10
Is displayed on the LCD display 204 as it is.

FIGS. 10A and 10B show definition areas for code conversion of the IDT 10. FIG. In FIG. 10A, characters used in data communication with the HOST 16 are as follows.
The 1-byte character code is JIS8 unit code 1001, and the 2-byte character code is shift JIS code 10
02,1003. Since the definition regions of the two codes are different, even if they are mixed, the codes do not overlap, so that they can be distinguished.

To display the reception display code in characters, CG
First, the JIS 8 unit code 1001 and the shift JIS code 1002, 1003 are converted to the code corresponding to the ROM address.
After conversion to 1005, it is converted to a CGROM address input code 1006 shown in FIG.

FIG. 11 shows a code conversion flow by hardware. In FIG. 11, when display data is received from the HOST 16 (step S1), the first data shown in FIG.
The JIS 8 unit code 1001 or the shift JIS code 1002, 100
3 is determined (step S2). The JIS 8 unit code has a 1-byte structure, consisting of alphanumeric characters, half-width characters, A
It is composed of NK characters. The shift JIS code is
It has a 2-byte structure and is a full-width kanji code.

In step S2, in the case of the JIS 8 unit code 1001, the same code is repeated twice, and the received display data is converted into 2 bytes (step S3) and stored in the display buffer memory in the display order to be displayed on the LCD display (step S3). S4). Also, the shift JIS code 100
In the case of 2,1003, 2 bytes are stored in the display buffer memory as they are in the display order to be displayed on the LCD display.

Next, the display data stored in the display buffer memory is read out in the display order, input to a code conversion ROM (CCROM), converted into a CGROM address and output (step S5). Next, CGRO
An address excluding the lower 4 bits is input to M, and a corresponding character dot conversion process is performed (step S).
6) Under the control of the LCD controller, characters of 16 dots per character are displayed on the LCD (step S7).

FIG. 12 shows a schematic flow of creating the code conversion ROM data of the IDT 10, and FIGS. 13 to 25 show the detailed flow of FIG.

In FIG. 12, first, if the first byte of the received data transmitted from the HOST 16 is the shift JIS 2 byte code (step S1).
1) According to the "SJIS.BAS" processing routine, JIS
Code conversion to 2-byte kanji (step S1)
2) The code is converted into ROM address data A by the "ROM.BAS" processing routine (step S13).
The first byte of the received data is determined as J
If the IS8 unit 1 byte code (step S14),
The code is converted into ROM address data B by the "1BYTE.BAS" processing routine (step S15). Next, ROM address data A and ROM address data B
Are combined into one and arranged as 16-bit ROM address data (step S16). Further, in order to write the data into the ROM, the data is aligned with the 16-bit code conversion data for the 16-bit address and output to be used as the ROM writer write data (step S17).

FIGS. 13 to 17 show "SJIS.BA".
S is a detailed flow of the processing routine, where "S" indicates a shift JIS code and "J" indicates a JIS code.The flow of FIG. 14 is step S21 of the flow of FIG.
The processing routine of FIG. 15 and FIG.
17 and FIG. 17 are the processing routines of steps S23 and S24 of FIG. 13 and FIG.
This is a processing routine of "ERO".

FIGS. 18 to 21 show "ROM. BAS".
It is a detailed flow of a processing routine, where R represents a CGROM address. FIGS. 19, 20 and 21 show the processing routine of steps S31, S32 and S33 in FIG.

FIGS. 22 to 25 show "1BYT".
E. FIG. 23, 24, and 25 are the processing routines of steps S41, S42, and S43 in FIG.

In the above flow, the received data is converted to the CGROM by the ROM address data created for the code conversion.
(Excluding the lower 4 bits).

FIG. 26 differs from the code conversion flow shown in FIG. 11 in that the CCROM, that is, the software is used without using hardware. In FIG. 26, the processing from display data reception (step S51) to storage in the display buffer memory (step S54) is the same as the processing from step S1 to step S4 in FIG. 11, and a description thereof will be omitted.

Next, reading is performed from the display buffer memory in the display order, and the JIS 8 unit code or the shift JI
It is determined whether or not the code is an S code (step S55).
In the case of an 8-unit code, a process of converting it into a CGROM address (operation 1) is performed (step S56). On the other hand,
In the case of the shift JIS code, first, a process (operation 2) of converting to a JIS kanji code is performed (step S5).
7) Then, a process (operation 3) of converting the data into a CGROM address is performed (step S58).

Further, the result of the operation is used as an address input to the CGROM, and steps S6 and S in FIG.
7, a character dot conversion process (CGROM) corresponding to the address input is performed (step S59),
LCD character display is performed (step S60).

As described above, even in software, CCROM
Code conversion is possible with hardware using
In consideration of the amount of communication data and the communication speed, code conversion by hardware using a CCROM, which is superior to the code conversion speed, is adopted in this apparatus.

FIG. 27 shows L in the IDT 10 of this embodiment.
This is an example of a CD display, which is an APS related to a product design operation in a manufacturing factory or the like. In FIG. 27, the LCD has a kanji display of 20 digits and 13 lines, the top line is a monitor display of a telephone system and a data communication system, and the center 10 lines is a display of communication data. It shows the manufacturing specification and other design work menus. The lower two rows are areas for displaying the variable function key data sent corresponding to the function keys F1 to F5. In this display example, a menu selection key input or a function key F1 to F1
By pressing F5, the information is expanded to the next information, and necessary information is selected and obtained. In this display example, F1 to F5 are the previous page,
It has the functions of storing the next page, storing, printing, and ending.

FIG. 28 shows a data format used in the present embodiment, which includes a start bit st (1 bit), data bits b1 to b8 (8 bits), a parity bit p (1 bit), and a stop bit sp (1 bit). Bit).

FIGS. 29 (a), (b) and (c) show the text formats used in the present embodiment, wherein (a) is a general text, (b) is an ACK text, and (c) is a NAK text. It shows. General text is STX (S
A maximum of 250 bytes can be inserted between “tart of Text” and ETX (End of Text), and a BCC (block check character code) operation value for block check is also added. ACK text is STX and E
An ACK transmission control character is inserted between TXs, and a BCC operation value is also added. The NAK texts are STX and E
A transmission control character of NAK, an error code (ER1, ER2), and a BCC operation value are also added between TX.

The maximum number of characters of one screen displayed on the IDT 10 by the received data is 11 lines × 40 digits = 440
It is a character and its data length is 440 bytes. However, as described above, since the text length of the general text in FIG. 29A is 250 bytes at the maximum, when the HOST 16 is a general personal computer, data to be displayed at one time except for the transmission control characters is not included. 250
Considered to be bytes. Further, about half of the screen data can be transferred as one text, and the upper half or the lower half of the screen, including the line feed code, can be rewritten.

The ACK text and the NAK text shown in FIGS. 29B and 29C are HOST1 for system operation.
6 is large, the IDT 10 checks the error of the received data against the BCC operation, and returns the resulting ACK text and NAK text to the host computer. Management and control are possible on the host computer side. Therefore, the IDT 10 does not manage transmission data,
It functions as a mere input / output device.

Further, a BCC operation value is added to enable more detailed error control of transmission data. In the BCC operation, the value from the text STX code to the ETX is obtained by exclusive OR (XOR) and set in the BCC code area.

FIG. 30 shows key information and transmission characters used in the present embodiment. In FIG. 30, (a) shows an operation key and transmission data corresponding to the operation. For example, F0H of the transmission key data is
This is a menu start request code when the IDT 10 is powered on. (B) shows transmission control characters and their contents. (C) shows a display control character and its contents.

A specific use example of the present embodiment will be described below.

1. LCD sent from HOST16
On the menu screen shown in FIG. 27 displayed on the display,
When, for example, a manufacturing specification of 102 is selected by key input, display data of necessary information on the manufacturing specification is changed to HOS
Sent from T16. Such data communication between the HOST 16 and the IDT 10 uses one B channel of the ISDN, so using the other B channel,
Since it is possible to make a call with a customer, it is possible to make a meeting with the customer regarding product specifications while performing key operations.
Needless to say, it is also possible to perform a stock search and a meeting on management work by selecting with other key operations.

2. By performing a key operation on the telephone number of the other party who is going to make the call or the other party who is making the call, it is possible to display or search for necessary information (for example, a profile of the other party) related to the other party. Therefore, by providing a function of transmitting the calling and called numbers from the PBX 12 to the HOST 16 in advance, the outline of the other party can be displayed on the LCD before the call connection.
It is possible to display the information on a display and to consider the correspondence in advance according to the display.

3. By selecting menus on the display screen, it is possible to perform the task of ordering and delivering goods while looking at the screen. Further, even when the partner is out of the office, it is possible to pick up necessary information regarding the work and newly store it in the HOST 16.

That is, the user of this data communication system prepares a huge amount of materials at hand,
By calling up the necessary information from the data stored in the memory 6 and shared by a plurality of users, all the information on the product design can be used.

In the system configuration of the above embodiment, the host device to which the IDT 10 is connected is the PBX 12
However, the present invention is not limited to such a system configuration, and other system configurations may be used. Hereinafter, a system configuration of another embodiment will be described.

1. The upper level to which the IDT 10 is connected is the network (I
SDN). In this case, information stored in an information management device such as a database connected to the network can be called via the network.

2. The communication partner with IDT10 is HOST1
6, a general personal computer or another device such as a printer may be used as long as it has a data communication function. In this case, for example, local data can be read from a personal computer, and HOS
It is also possible to print the data from T on a printer.

Further, the communication method of the IDT 10 is as follows.
Without being limited to the above embodiment, the following method is also possible.

1. A method in which the identification of an outgoing call by the function keys F1 to F5 from the IDT 10 is inserted into the user user information (UUI) of the SETUP message and identified.

2. A method of making a call with a dial number (special number) corresponding to F1 to F5 and identifying it.

3. Received data is not only code transmission,
A method of displaying even input data in pixel information.

5. Asynchronous 96 as in the above embodiment
A data communication method using a synchronous method or another transmission speed instead of data communication at 00 bps.

6. A communication method using another format such as the HDLC procedure instead of the text format and the data format format according to the embodiment.

[0079]

According to the present invention, there is provided a telephone provided with a dial button for inputting a telephone number and a display for displaying the telephone number input by the dial button, wherein the dial button is in an off-hook state. Is operated, monitor display means for displaying the operated dial information on the display unit, and, when the monitor display means displays the dial information, pressing the correction button once to the right end of the dial information Delete means for deleting one piece of dial information displayed on the monitor, and transmitting means for starting transmission of the dial information when the dial button is pressed while the dial information is displayed on the monitor display means. With such a configuration, it is possible to provide a telephone terminal capable of performing dial correction and dial transmission.

[Brief description of the drawings]

FIG. 1 is a system configuration diagram of a data communication device for realizing a data communication method including a telephone according to the present invention.

FIG. 2 is an external view of a terminal device (IDT) in FIG.

FIG. 3 is a board diagram of the IDT in FIG. 2;

FIG. 4 is a block diagram showing an overall configuration of an IDT.

FIG. 5 is a state transition diagram of an IDT.

FIG. 6 is a diagram of a power-on sequence in the data communication system shown in FIG.

FIG. 7 is a diagram of an application service sequence in the data communication system shown in FIG. 1;

FIG. 8 is a diagram of a forced disconnection sequence in the data communication system shown in FIG.

9 is a diagram of an error retransmission sequence in the data communication system shown in FIG.

FIG. 10 is a diagram showing a definition area for IDT code conversion.

FIG. 11 is a diagram showing a code conversion flow by hardware.

FIG. 12 is a diagram showing a schematic flow of creating code conversion ROM data.

FIG. 13 is a diagram showing a detailed flow of creating the code conversion ROM data of FIG. 12;

14 is a diagram showing a detailed flow of creating the code conversion ROM data of FIG.

FIG. 15 is a diagram showing a detailed flow of creating the code conversion ROM data of FIG. 12;

FIG. 16 is a diagram showing a detailed flow of creating the code conversion ROM data of FIG. 12;

17 is a diagram showing a detailed flow of creating the code conversion ROM data of FIG. 12;

FIG. 18 is a diagram showing a detailed flow of creating the code conversion ROM data of FIG. 12;

19 is a diagram showing a detailed flow of creating the code conversion ROM data of FIG.

20 is a diagram showing a detailed flow of creating the code conversion ROM data of FIG.

FIG. 21 is a diagram showing a detailed flow of creating the code conversion ROM data of FIG. 12;

FIG. 22 is a diagram showing a detailed flow of creating the code conversion ROM data of FIG. 12;

FIG. 23 is a diagram showing a detailed flow of creating the code conversion ROM data of FIG. 12;

FIG. 24 is a diagram showing a detailed flow of creating the code conversion ROM data of FIG. 12;

FIG. 25 is a diagram showing a detailed flow of creating the code conversion ROM data of FIG. 12;

FIG. 26 is a diagram showing a code conversion flow by software.

FIG. 27 is a diagram showing an LCD display example in the IDT.

FIG. 28 is a diagram showing a data format format used in the data communication system shown in FIG.

FIG. 29 is a diagram of a text format used in the data communication system shown in FIG. 1;

FIG. 30 is a diagram of key information and transmission characters used in the data communication system shown in FIG. 1;

[Explanation of symbols]

 204 LCD display 206 Correction button 209 Call / Redial button

 ──────────────────────────────────────────────────続 き Continuing on the front page (72) Inventor Tatsuhiko Ando 94 for Koriyama-shi, Fukushima Prefecture, Funachi Telecom Technology Co., Ltd. (72) Inventor Shinichi Yokota 94 for Koriyama-shi, Fukushima Prefecture, Japan Within Telecom Technology

Claims (2)

[Claims] A dial button for inputting a telephone number;
A display for displaying a telephone number entered with the dial button, a monitor display for displaying dial information operated on the display when the dial button is operated in an off-hook state. Means for deleting one piece of dial information displayed on the right end of the dial information by pressing a correction button once while displaying the dial information on the monitor display means; and Transmitting means for starting transmission of the dial information when the dial button is pressed while the dial information is being displayed by the means. 2. The telephone terminal according to claim 1, wherein said deletion means includes a continuous deletion means for deleting, from the right end, the same number of the dial information as the number of times the correction button is pressed.