JPH07154501A - Telephone set with radio communication function - Google Patents

Abstract

PURPOSE:To control a function provided to the telephone set with a simple operation by incorporating a data communication modem to a slave set and converting a modem signal into a control command. CONSTITUTION:When a talking with an opposite party is kept by using an external line talking function of a slave set 12 under the control of a personal computer 18, the personal computer 18 sends an AT command to a data communication modem 16, in which the command is converted into a modem signal and it is given to the slave set 12. It is processed by a data communication modem 40, in which the signal is converted again into the AT command, a microcomputer 32 interprets the content of the command, a modem 31 between master and slave sets modulates it as a control signal for external connection to a master set 10 and a communication channel is established by radio units 20, 30 of the slave set 12 and the master set 10. When the external line connection command is transferred to the master set 10, a modem 22 demodulates a control signal representing a destination telephone number from the microcomputer 32 and gives it to a microcomputer 23 to control a network 21 depending on the content and to close a loop of a public line 14 thereby inputting a dial tone.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a telephone with a wireless communication function.

[0002]

2. Description of the Related Art Generally, in a cordless telephone composed of a master unit and a slave unit connected to a public line, when making a call from a cordless slave unit to a party connected to the public line, first, an "extension line button" of the slave unit is used. Is pressed. When the "outside line button" is pressed, a communication channel between the cordless parent and child units is established, and a public tone line is connected to generate a dial tone. Here, when the dial button is pressed, the cordless slave device transmits the input telephone number to the cordless master device according to a special protocol (local command) defined between the master and slave devices.

MCA (Multi
Communication is performed by the channel access method. MC
In the A system, a control signal is transmitted and received on one control channel to secure a channel to be used between the parent and child devices from a plurality of communication channels.

The cordless base unit decodes the received signal in accordance with the connected public line (tone line, dial pulse line) and outputs a signal (DT) having a number corresponding to the received signal.
An MF (Dual Tone Multi Frequency) signal or dial pulse signal) is sent to the public line. This allows the cordless slave unit to make a call via the cordless master unit and the public line.

By the way, in recent years, for example, personal computer communication has been popular, in which an information processing device such as a personal computer is connected to a public line to perform data transmission. In this case, the personal computer is connected to the public line via the data communication modem and telephone. In many cases, a modem connected to a personal computer is often used by being connected to a telephone set directly connected to a public line, that is, a cordless telephone set, to a master unit side.

In the case of this configuration, by sending a DTMF signal or a dial pulse signal from the modem according to the type of public line, it is possible to make a telephone call directly through the public line, so the public line is a tone line. Auto dialing by a personal computer is possible on any of the dial lines.

In addition to the above-mentioned configuration, a configuration in which a personal computer is connected to the cordless cordless handset side for data transmission is also conceivable. In the configuration of connecting to a cordless cordless handset, a personal computer is connected to a microphone / earphone jack provided in the cordless cordless handset via a data communication modem.

Since the communication protocol between the parent and child devices of the cordless telephone is designed for the purpose of voice communication, it is possible to communicate only in the voice band. Therefore, in the case of this configuration, when auto dialing is performed, if the public line is a tone line and the output signal of the modem is a DTMF signal, the dial signal can be sent to the public line.
That is, since the DTMF signal is a signal in the voice band, it is directly transmitted to the tone line (public line) through the communication channel (call channel) between the cordless slave unit and the master unit.

In this configuration, when the personal computer and the public line are connected via the cordless cordless handset,
First, the communication channel between the cordless master and the slave is established by pressing the "outside line button" of the cordless slave. As a result, the dial tone is confirmed by connecting to the public line via the cordless base unit. After that, the DTMF signal is transmitted from the data communication modem, so that the DTMF signal is transmitted to the public line via the cordless slave unit and the master unit, and the host station connected to the public line is connected. As a result, personal computer communication can be executed.

However, in order to maintain the call state in a general cordless telephone, after establishing a call channel between the cordless handset and the "dial button" provided in the cordless handset, the destination telephone number is set. It is realized by inputting and sending to the public line. That is, if the "dial button" is not pressed for a predetermined time or more after the call channel is established, the call channel is forcibly disconnected assuming that the destination telephone number is not input.

Further, the functions (extension call, remote control, speed reduction / registration, redial, hold, etc.) other than the outside call provided in the cordless telephone are realized by pressing a predetermined button provided in the cordless telephone. Is configured to. These functions are also available if a predetermined button is not pressed after the communication channel between the parent and child devices is established.
It is designed to forcibly disconnect the call channel.

[0012]

As described above, in the conventional cordless telephone, other functions such as an outside line call function for holding a call state with an outside line in order to perform data communication (call) via the cordless cordless handset. In order to realize, after establishing the communication channel between the cordless parent-child device,
It was necessary to operate the dial buttons provided on the cordless cordless handset.

The operation of these dial buttons is
Generally, since it is necessary to control multiple functions with the limited dial buttons provided on the cordless cordless handset side,
A complicated operation that combines multiple buttons is required, and the function cannot be easily executed.

The present invention has been made in consideration of the above circumstances, and an object thereof is to provide a telephone with a wireless communication function capable of controlling the functions provided in the telephone by a simple operation. .

[0015]

According to the present invention, in a cordless telephone composed of a master unit and a slave unit connected to a public line, the slave unit is controlled by an external information processing device and the same information processing device. An interface connectable via a data communication modem and a function provided in a telephone with a wireless communication function, a specific function transmitted from the data communication modem connected to the interface. Associated with a modem signal for transmitting the data to the information processing device, the internal data communication modem for converting into a modem signal corresponding to the data and the internal data communication modem In response to the command, the control signal necessary for executing the corresponding function by setting the communicable state with the master unit is provided. And a slave unit control means for transmitting the data to the information processing apparatus and sending the data to the information processing apparatus through the built-in data communication modem, wherein the master unit has a control signal transmitted by the control means. By using the base unit control means for executing the corresponding function,
It is characterized in that it can be controlled by a modem signal given from the outside.

In the slave unit, first selecting means for selecting, to the information processing apparatus, either a signal from the master unit or a modem signal output from the built-in data communication modem. Further comprising second selecting means for selecting either a signal from the information processing device input through the interface or a signal output from the slave device control means to the master device, The first selection means and the second selection means are switched according to the situation under the control of the slave unit control means.

The command converted by the built-in data communication modem according to a modem signal relating to a specific function is the same as the command used for controlling the data communication modem by the external information processing equipment. Is characterized in that.

Further, according to the present invention, in a cordless telephone constituted by a master unit and a slave unit connected to a public line, the slave unit is for external information processing equipment and for data communication controlled by the information processing equipment. When executing an interface connectable via a modem and a function provided in a telephone with a wireless communication function, a DTMF signal (dual signal relating to a specific function, which is sent from the data communication modem connected to the interface, is executed. tone multi-freque
ncy), and when transmitting the data to the information processing device, the DTM corresponding to the data is transmitted.
A DTMF decoder / encoder for converting to an F signal, and a control signal necessary for executing a corresponding function in a communicable state with the parent device according to a command obtained by the DTMF decoder / encoder To the master unit to execute the function, and slave unit control means for sending out data to the information processing device via the built-in data communication modem, wherein the master unit is controlled by the control means. It is characterized in that it is provided with a master unit control means for executing a corresponding function using the transmitted control signal, and can be controlled by a DTMF signal given from the outside.

In the slave unit, first selecting means for selecting, to the information processing device, either a signal from the master unit or a modem signal output from the DTMF decoder / encoder, and Further comprising second selecting means for selecting either a signal from the information processing device input via the interface or a signal output from the slave device control means to the master device, The first selecting means and the second selecting means are switched according to the situation under the control of the slave unit controlling means.

Further, the DTMF signal relating to the function provided in the telephone with the wireless communication function, which is output from the data communication modem under the control of the external information processing equipment, is specified in advance for each function. And

[0021]

According to this structure, by incorporating the data communication modem in the slave unit, it becomes possible to transmit and receive the modem signal to and from the data communication modem controlled by the external information processing device. . In the built-in data communication modem, by converting the command into a control command according to the modem signal, it becomes possible to control the function provided in the slave. Also, when reading the status of the slave unit,
It can be converted to a modem signal and sent to the outside. Therefore, since the information processing device can control the functions provided in the telephone with the wireless communication function, it is not necessary to operate the buttons provided in the telephone.

Further, D relating to the functions provided in the telephone
By setting the TMF signal in advance, the telephone can be controlled in the same manner by sending a predetermined DTMF signal from the external data communication modem.

[0023]

Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 is a block diagram showing the configuration of a data communication system using a telephone with a wireless communication function according to the first embodiment. As shown in FIG. 1, the telephone with a wireless communication function includes a cordless master device 10 and a cordless slave device 12.

The cordless base unit 10 is connected to the public line 14. Cordless cordless handset 12 is a connection cable 1
5. Connected to a personal computer 18 (hereinafter referred to as a personal computer) via a data communication modem 16.

The cordless base unit 10 includes the wireless unit 2
0, a speech network 21, a modem 22, a microcomputer 23 (hereinafter referred to as a microcomputer), a dial button 24, a microphone 25, a speaker 26, and an antenna 27.

The radio unit 20 is a cordless cordless handset 12.
Data is transmitted / received to / from the wireless unit 30 provided in. In this embodiment,
Communication is performed by the MCA (Multi channel access) method. That is, by specifying a call channel to be used for a call from a plurality of call channels according to a call signal sent through the control channel,
The communication channel is established.

The speech network 21 is a public line 14 provided with basic functions for realizing telephone functions.
And a call (data communication) by the cordless cordless handset 12 via the wireless unit 20 and a call by the cordless parent device 10 using the microphone 25 and the speaker 26. Speech network 2
1 is controlled by the microcomputer 23 and can send a dial pulse signal or a tone signal to the public line 14 in response to a predetermined command.

The master-slave unit modem 22 is for transmitting and receiving signals to and from the cordless slave unit 12, and demodulates data from the cordless slave unit 12 obtained via the radio unit 20 and a microcomputer. Data to be transmitted from the cordless cordless handset 12 from 23 is modulated.

The microcomputer 23 decodes a control signal (described later) from the cordless slave unit 12 obtained by demodulation by the parent-slave modem 22 and detects a signal generated by pressing a button of the dial button 24. It exchanges various information with the speech network 21 (sending various commands, notifying of calling, etc.).

The control signal is a command (signal) transmitted and received between the cordless master unit 10 and the cordless slave unit 12 for realizing the function provided in the cordless telephone. In this embodiment, a command including various information is shown from the cordless slave unit 12 to the cordless master unit 10 according to the modem signal output from the data communication modem 16. The microcomputer 23 sends and receives a control signal via the parent-child device modem 22.

The dial button 24 is the cordless base unit 1
It is used when dialing from 0. Whether to dial an outside line (public line 14) or an extension line (cordless cordless handset 12) in addition to the number buttons 0 to 9 and the "*" and "#" buttons. Includes various function buttons such as.

The microphone 25 is used in the speech network 21.
Is connected to and inputs voice to be sent to the other party. The speaker 26 is the speech network 2
It is connected to 1 and outputs the voice from the other party.

The cordless cordless handset 12 is the wireless unit 3
0, modem 31 for parent-child device, microcomputer 32 (child device control means), dial button 33, first switch 34 (first selection means), second switch 35 (second selection means), microphone 36, speaker 37, Microphone / earphone jack 38,
It is composed of an antenna 39 and a data communication modem 40 (built-in data communication modem).

The wireless unit 30 is the cordless base unit 10
Antenna 39 between the wireless unit 20 provided in the
Data is transmitted and received via a predetermined protocol.

The master-slave unit modem 31 is for transmitting and receiving signals to and from the cordless master unit 10, and demodulates data from the cordless master unit 10 obtained via the wireless unit 30 and performs microcomputer processing. The data output from 32 to be transmitted to the cordless master device 10 is modulated.

The microcomputer 32 controls the entire cordless cordless handset 12, and decodes the control signal from the cordless master unit 10 obtained by demodulation in the modem 31, transmits / receives data to / from the personal computer 40, and a data communication modem. Four
Control 0, etc.

The dial button 33 is a cordless cordless handset 1.
It is used when dialing from 2. Whether to dial an external line (public line 14) or an internal line (cordless cordless handset 12) in addition to the number buttons 0 to 9 and the "*" and "#" buttons. Includes various function buttons such as.

The first switch 34 switches the connection between the wireless unit 30 and the microphone / earphone jack 38 or the data communication modem 40, and the switching is controlled by the microcomputer 32 depending on the situation.

The second switch 35 switches the connection between the wireless unit 30 and the microphone / earphone jack 38 or the parent-child device modem 31, and the switching is controlled by the microcomputer 32 depending on the situation.

The microphone 36 is connected to the wireless unit 30 via the second switch 35, and is for inputting voice to be sent to the other party. The speaker 37 is the first
It is connected to the wireless unit 30 or the data communication modem 40 via the switch 34, and outputs voice from the other party.

The microphone / earphone jack 38 is connected to the wireless unit 30, the parent-child device modem 31, and the data communication modem 40, and is a terminal for inputting / outputting a voice signal to / from the outside. This is for connecting a headset 38 and the like provided with headphones and a microphone. By connecting the headset 38 or the like, a normal telephone function for having a voice conversation via the cordless cordless handset 12 is realized.

The antenna 39 is for transmitting / receiving a signal to / from the cordless base unit 10, and is used for the radio unit 3
It is connected to 0. The data communication modem 40 is for data communication with the data communication modem 16 connected to the personal computer 18, and is connected to the data communication modem 16 via the connection cable 15 and the microphone / earphone jack 38. There is. The data communication modem 40 is connected to the first switch 34 and the microcomputer 32.

Next, the operation of the first embodiment will be described. First, an outline of control in this system will be described with reference to FIG. As shown in FIG. 2A, a personal computer 18 (an application program that operates on it) and a data communication modem 1 built in the personal computer 18
AT command is used between 6 and 6. Data communication modem 16 and cordless cordless handset 1 built in the personal computer 18
A modem signal is used between the data communication modem 40 and the data communication modem 40. An AT command is used between the data communication modem 40 provided in the cordless cordless handset 12 and the microcomputer 32.

Next, the operation of controlling the cordless cordless handset 12 by the personal computer 18 will be described with reference to the flowchart shown in FIG. Here, the personal computer 18
The operation of holding the call state with the other party connected to the public line 14 by executing the outside line call function provided in the cordless cordless handset 12 under the control of FIG.

In the default state, the first switch 34
Is a wireless unit 30 and a microphone / earphone jack 38
And the second switch 35 is set on the side connecting the parent-child device modem 31 and the wireless unit 30.

First, by executing the application program on the personal computer 18, the "execution command for external line connection" and the "destination telephone number (host station etc.)"
The T command is sent to the data communication modem 16 (step A1). This AT command uses a protocol previously defined between the application and the data communication modem 16.

The data communication modem 16 interprets the execution command and the AT command indicating the telephone number, converts the command content into a modem signal meaning "external line connection + telephone number", and via the connection cable 15. Cordless cordless handset 12
(Steps A2 and A3).

The modem signal transmitted from the data communication modem 16 is input to the microphone / earphone jack 38 of the cordless cordless handset 12 via the connection cable 15. The modem signal input to the cordless cordless handset 12 is received and processed by the data communication modem 40 (step A4).

When the command transmission / reception is in progress between the data communication modem 16 and the data communication modem 40, the first switch 34 is set to the side connecting the data communication modem 40 and the microphone / earphone jack 38. The second switch 35 is set, and the second switch 35 is set on the side connecting the parent-child device modem 31 and the wireless unit 30. As a result, the data communication modem 16 and the data communication modem 40
A route for transmitting and receiving a modem signal is secured between and.

The data communication modem 40 processes the modem signal from the data communication modem 16 again to convert it into an AT command which means "external line connection + telephone number" and outputs it to the microcomputer 32 (step). A
5, A6). The microcomputer 32 is a data communication modem 40.
Receives the AT command from and interprets the contents of the command.

Here, since the contents of the command mean "execution command for external line connection" and "destination telephone number",
First, the microcomputer 32 sends a control signal indicating an "outside line connection command" to the cordless base unit 10 (step A7).

A control signal indicating the "outside line connection command" sent from the microcomputer 32 is modulated by the parent-child device modem 31 and transferred to the second switch 35 and the wireless unit 30. Cordless cordless handset 12 and cordless base unit 10
When a communication channel is established in each of the wireless units 20 and 30 and the "outside line connection command" is transferred to the cordless base unit 10, the microcomputer 32 sends a control signal indicating the "destination telephone number". The “outside line connection command” and “destination telephone number” transmitted to the cordless master device 10 are demodulated by the master-slave device modem 22 and input to the microcomputer 23.

When the command transmission / reception is performed between the cordless master / slave units 10, 12, the first switch 34 is set to the side connecting the wireless unit 30 and the microphone / earphone jack 38, and the second switch 35 is It is set on the side connecting the modem 31 for parent-child device and the wireless unit 30.

The microcomputer 23 interprets the "external line connection command" and, depending on its content, the speech network 21.
Is controlled to turn on the line relay, and the loop of the public line 14 is closed (call origination). As a result, the public line 14
Dial tone is input from.

Further, the microcomputer 23 controls the speech network 21 to send a dial signal to the public line 14 according to the "destination telephone number". That is, if the public line 14 is a touch-tone telephone line, a DTMF (tone) signal is transmitted according to the destination telephone number, and if it is a dial line, a dial pulse signal is transmitted.

On the other hand, the personal computer 18 (application running on the computer) indicates that the connection processing with the outside line has been completed.
This can be confirmed by reading the status of the microcomputer 32. Processing when the status of the microcomputer 32 is read by the personal computer 18 will be described with reference to the flowchart shown in FIG.

In this case, the cordless cordless handset 12 is operated from the personal computer 18 via the data communication modem 16 in the same manner as in the case of the above-mentioned "external line connection command" when the command for reading the status by operating the application. And is input to the microcomputer 32 (steps B1 to B6). In the command transmission / reception state, the first switch 34 is set to the side connecting the data communication modem 40 and the microphone / earphone jack 38, and the second switch 35 connects the parent-child device modem 31 and the wireless unit 30. Set on the connecting side.

Upon receipt of the status read command, the microcomputer 32 converts the corresponding status into an AT command and sends it to the data communication modem 40 built in the cordless handset 12 (step B7).

The data communication modem 40 includes a microcomputer 32.
The AT command indicating the status of is converted into a modem signal, and the first switch 34, the microphone / earphone jack 3
8. Sending to the data communication modem 16 built in the personal computer 18 via the connection cable 15 (step B
8).

The data communication modem 16 reconverts the received modem signal into an AT command and sends it to the personal computer 18 (application running on the computer) (step B).
9, B10). Thereby, the personal computer 18 (application) can confirm the status of the cordless cordless handset 12 (step B11).

Data communication with the other party (host station) connected via the public line 14 can be executed after the above-mentioned connection processing is completed. In a call and data communication state, the first switch 34 of the cordless cordless handset 12 is set to the side connecting the wireless unit 30 and the microphone / earphone jack 38, and the second switch 35 is connected to the microphone / earphone jack 38 and wireless. It is set on the side where the unit 30 is connected.

Next, a second embodiment of the present invention will be described. FIG. 5 is a block diagram showing the configuration of a data communication system using a telephone with a wireless communication function according to the second embodiment. 5, the same parts as those in the block diagram shown in FIG. 1 are designated by the same reference numerals and the description thereof will be omitted.

In the second embodiment, the cordless slave unit 12
A DTMF decoder / encoder 50 is provided.
The DTMF decoder / encoder 50 is installed at the place where the data communication modem 40 was provided in FIG.

That is, the DTMF decoder / encoder 50 is for transmitting / receiving signals to / from the data communication modem 16 connected to the personal computer 18, and includes the data communication modem 16, the connection cable 15, and the microphone / earphone jack 38. Connected through. In addition, the DTMF decoder / encoder 50 includes the first switch 34 and the microcomputer 32.
Connected with.

First, an outline of control in this system will be described with reference to FIG. As shown in FIG. 2B, an AT command is used between the personal computer 18 (application program that operates on the personal computer) and the data communication modem 16 built in the personal computer 18. The data communication modem 16 built in the personal computer 18 and the DTMF decoder / encoder 5 provided in the cordless cordless handset 12
A DTMF signal is used between 0 and 0. Data communication modem 40 and microcomputer 3 provided in the cordless cordless handset 12
A dedicated command is used between the two. This dedicated command is used by the DTMF decoder / encoder 50 and the microcomputer 3
It is assumed that it has been specified in advance with 2. Therefore, A
It may be in the form of a T command or may be a local command unique to this telephone.

Next, the operation of the second embodiment will be described. The data communication system according to the second embodiment controls the cordless telephone by substantially the same operation as that of the first embodiment (see the flowcharts shown in FIGS. 3 and 4), but the data communication modem 16 (the personal computer 18 side). ) And DTMF decoder / encoder 50 (cordless cordless handset 1
The difference is that the transmission / reception of data to and from the second side is specified as a DTMF signal.

First, by executing the application program on the personal computer 18, the "execution command for external line connection" and the "destination telephone number (host station, etc.)"
It is sent to the data communication modem 16 as a T command.

The data communication modem 16 interprets the execution command and the AT command indicating the telephone number, converts the contents into a DTMF signal which means "external line connection + telephone number", and through the connection cable 15. Cordless cordless handset 1
Send to 2.

The DTMF signal is sent to the application running on the personal computer 16 and the DTMF decoder / encoder 5
It is defined in advance between 0 according to the content of the command.
For example, for each function provided in the cordless telephone, as shown in FIG.
Shall be specified as shown in. Therefore, here, in order to make an outside line call, the DTMF signal of "# A01" indicating the function instructed by pressing the outside line button of the dial key 33 is output to the cordless cordless handset 12. .

The modem signal transmitted from the data communication modem 16 is input to the microphone / earphone jack 38 of the cordless cordless handset 12 via the connection cable 15. The modem signal input to the cordless cordless handset 12 is DTMF.
The signals are received and processed by the decoder / encoder 50.

The data communication modem 40 again converts the command obtained by signal-processing the DTMF signal from the data communication modem 16 into a dedicated command meaning "external line connection + telephone number" to convert it to the microcomputer 32. (Steps A5 and A6).

The microcomputer 32 has a data communication modem 40.
Receives the AT command from and interprets the contents of the command. Hereinafter, the function is executed in the same manner as in the first embodiment described above.

The status read processing can also be performed as in the first embodiment described above. That is, by operating the application, a command instructing to read the status is sent from the personal computer 18 to the cordless slave unit 12 via the data communication modem 16 and input to the microcomputer 32 (steps B1 to B6).

Upon receipt of the status read command, the microcomputer 32 converts the corresponding status into an AT command and sends it to the DTMF decoder / encoder 50 built in the cordless handset 12 (step B7).

The DTMF decoder / encoder 50 sends an AT command indicating the status of the microcomputer 32 to DTMF.
The signal is converted into a signal, and the personal computer 18 is connected via the first switch 34, the microphone / earphone jack 38, and the connection cable 15.
(Step B8).

The data communication modem 16 reconverts the received modem signal into an AT command and sends it to the personal computer 18 (application running on it) (step B).
9, B10). Thereby, the personal computer 18 (application) can confirm the status of the cordless cordless handset 12 (step B11).

In this way, the data communication modem 16
A telephone with a wireless communication function can be controlled by an information processing device such as a personal computer via a telephone, and a simple operation using an application operating on the information processing device without operating a button provided on the telephone. It is possible to use the functions provided in the, and the operability is improved.

Therefore, in a general telephone with a wireless communication function, it is necessary to control many functions with limited buttons, and the operation (combination of buttons, etc.) becomes complicated. By using the processing device, it is possible to replace it with a simple operation such as selecting a function from a menu on the display screen.

Further, since the AT command generally used for controlling the data communication modem is used for controlling the cordless slave unit 12 from the personal computer 18 (application) side, the development environment can be easily provided. it can.

In the above embodiment, the personal computer 1
The interface between the cordless handset 12 and the cordless handset 12 is such that the modular jack of the data communication modem 16 coupled to the personal computer 18 and the microphone / earphone jack 38 of the cordless handset 12 are connected by the connection cable 15. With this configuration, it can be realized without adding special connection hardware. In contrast,
The RS-232C interface function is provided in the cordless cordless handset 12, and the RS that is standardly equipped in the personal computer 18
It is also possible to realize high-speed data transmission by connecting the 232C connector.

The data communication modem 40 provided in the cordless handset 12 does not need the function of the NCU (network control unit) provided in a general data communication modem. Since the NCU has parts with a large mounting volume such as a transformer, by omitting these parts, the mounting of the cordless cordless handset 12 can be facilitated in terms of weight reduction, downsizing, and the like.

[0082]

As described above, according to the present invention, it is possible to control the functions provided in the telephone by a simple operation.

[Brief description of drawings]

FIG. 1 is a block diagram showing a configuration of a data communication system using a telephone with a wireless communication function according to a first embodiment of the present invention.

FIG. 2 is a diagram for explaining an outline of control in the present invention.

FIG. 3 is a flowchart for explaining the operation of controlling the cordless slave unit 12 by the personal computer 18 in the first embodiment.

FIG. 4 is a flowchart for explaining a process when the status of the microcomputer 32 is read by the personal computer 18 in the first embodiment.

FIG. 5 is a block diagram showing a configuration of a data communication system using a telephone with a wireless communication function according to a second embodiment of the present invention.

FIG. 6 is a diagram showing an example of a DTMF signal showing a function in the second embodiment.

[Explanation of symbols]

10 ... Cordless base unit, 12 ... Cordless handset, 14 ...
Public line, 15 ... Connection cable, 16, 40 ... Data communication modem, 18 ... Personal computer, 20, 3
0 ... Wireless unit, 21 ... Speech network, 2
2, 31 ... Modem for parent-child device, 23, 32 ... Microcomputer, 24, 33 ... Dial buttons, 25, 36
... microphone, 26, 37 ... speaker, 27, 39 ... antenna, 34 ... first switch, 35 ... second switch, 50 ...
DTMF decoder / encoder, 38 ... Microphone / earphone jack.

Claims (6)

[Claims] 1. A telephone with a wireless communication function configured by a master unit and a slave unit connected to a public line, wherein the slave unit is an external information processing device and a data communication device controlled by the information processing device. When executing an interface that can be connected via a modem and a function provided in a telephone with a wireless communication function, in response to a modem signal relating to a specific function transmitted from the data communication modem connected to the interface. When the data is converted to a command and the data is transmitted to the information processing device, a built-in data communication modem that converts the data into a modem signal according to the data, and a command obtained by the built-in data communication modem To send a control signal necessary for executing a corresponding function to the master unit in a state in which the master unit can communicate with the master unit to perform the function. And a slave unit control means for transmitting data to the information processing device via the built-in data communication modem, and the master unit uses a control signal transmitted by the control means, A telephone with a wireless communication function, comprising a master unit control means for executing a corresponding function and being controllable by a modem signal given from the outside. 2. The slave unit includes first selecting means for selecting, to the information processing apparatus, either a signal from the master unit or a modem signal output from the built-in data communication modem. A second selection unit that selects, with respect to the master unit, either a signal from the information processing device input via the interface or a signal output from the slave unit control unit; The telephone with a wireless communication function according to claim 1, wherein the first selecting unit and the second selecting unit are switched according to a situation under the control of the slave unit controlling unit. 3. The command converted by the built-in data communication modem according to a modem signal relating to a specific function is the same as the command used by the external information processing device to control the data communication modem. The telephone with a wireless communication function according to claim 1, wherein 4. A cordless telephone constituted by a master unit and a slave unit connected to a public line, wherein the slave unit is provided with an external information processing device and a data communication modem controlled by the information processing device. Connectable interface and a function provided in the telephone with a wireless communication function are executed, a DTMF signal (dual tone multi-signal) relating to a specific function transmitted from the data communication modem connected to the interface is executed. DTMF which is converted into a command according to the frequency) and is converted into a DTMF signal according to the data when transmitting the data to the information processing device.
According to a command obtained by the decoder / encoder and the DTMF decoder / encoder, a control signal necessary for establishing a communicable state with the master unit and executing a corresponding function is transmitted to the master unit. And a function of executing the function to transmit the data to the information processing device through the built-in data communication modem, and the master unit is a control signal transmitted by the control unit. A telephone with a wireless communication function, characterized in that it is equipped with a master unit control means for executing a corresponding function by using, and can be controlled by a DTMF signal given from the outside. 5. The slave unit includes a first selecting unit which selects, for the information processing apparatus, either a signal from the master unit or a modem signal output from the DTMF decoder / encoder, A second selection unit that selects either a signal from the information processing device input via the interface or a signal output from the slave unit control unit with respect to the master unit; The telephone with a wireless communication function according to claim 4, wherein the first selecting unit and the second selecting unit are switched according to the situation under the control of the slave unit controlling unit. 6. The DTMF signal relating to the function provided in the telephone with a wireless communication function, which is output from the data communication modem under the control of an external information processing device, is specified in advance for each function. The telephone with a wireless communication function according to claim 4.