JP5992005B2 - Telephone, method and program for telephone - Google Patents

Description

  The present invention relates to a telephone, a method, and a telephone program for performing predetermined control based on a DTMF signal included in a sound signal during a call.

  Since mobile phone setting items have increased along with the increase in the number of mobile phone functions, the user may not be able to make appropriate settings in accordance with usage conditions. In such a case, the user generally makes an inquiry to a call center (hereinafter simply referred to as “CS”) that specializes in telephone-related work, and grasps an appropriate operation for setting. Yes.

By the way, even if the operation method is taught by the CS operator, the operation method learned may be forgotten if the operation method is operated after the call is finished. Therefore, there is a demand for a mechanism for completing the operation during a call with the operator.
As such a mechanism, for example, it is conceivable that an operator remotely operates a user's mobile phone to assist in changing the setting of the mobile phone.

  As a technique suitable for mobile phone remote control, remote control using a DTMF (Dual-Tone Multi-Frequency) signal is well known. For example, Patent Document 1 discloses a mobile phone system that displays an image corresponding to a DTMF signal on a mobile phone on the other side by transmitting a DTMF signal.

JP 2009-260858 A

  However, if the mobile phone is remotely operated in response to simply receiving the DTMF signal, there is a risk that an erroneous operation will be performed. For example, if a push button or the like is accidentally operated during a call with a friend, a DTMF signal is transmitted to the friend's mobile phone, and the friend's mobile phone is unintentionally operated remotely.

  The present invention has been made in view of such problems, and provides a telephone, a method, and a telephone program for performing predetermined control while preventing malfunction based on a DTMF signal included in a sound signal during a call. The purpose is to do.

  The telephone of the present invention is a telephone in which the operation mode can be set, and includes a detection unit for detecting incoming / outgoing calls, and whether the detected outgoing / incoming call is an outgoing call to a specific telephone number or an incoming call from a specific telephone number And a extracting unit that extracts a DTMF signal from a sound signal during a call on condition that the determining unit determines that the call is made to a specific telephone number or is received from a specific telephone number. And comprising.

  Further, an operation acquisition unit that acquires operation definition information based on the extracted DTMF signal, a display control unit that displays a setting screen for changing the setting of the operation mode based on the acquired operation definition information, It is good also as providing further.

  Moreover, it is good also as providing the setting change part which changes the setting of the said telephone based on the acquired said operation definition information.

  The extraction unit may end the extraction of the DTMF signal from the sound signal on condition that a DTMF signal corresponding to the operation definition information is extracted.

  Further, the operation definition information is associated with a DTMF signal group composed of a plurality of DTMF signals, and the extraction unit includes a plurality of DTMF signals included in the DTMF signal group corresponding to the operation definition information. The extraction of the DTMF signal from the sound signal may be terminated on the condition that a predetermined time elapses after a predetermined number of DTMF signals are extracted.

  The display control unit may display the predetermined information on the display unit on the condition that the determination unit determines that the call is incoming / outgoing according to a specific telephone number.

  The display control unit further includes an input unit that receives an operation on the predetermined information displayed on the display unit, and the display control unit displays the operation definition information on the display unit so that the operation definition information can be selected on condition that the operation is received. It is good to do.

  The method of the present invention is a method executed by a telephone capable of setting an operation mode, the step of detecting an incoming / outgoing call of the telephone, and the detected outgoing / incoming call is a call to a specific telephone number or a specific telephone DTMF signal is extracted from a sound signal during a call on the condition that it is determined whether the call is an incoming call from a number and that the call is made to a specific telephone number or is received from a specific telephone number Including the steps of:

  In addition, the telephone program of the present invention includes a telephone capable of setting an operation mode, a detection unit that detects an incoming / outgoing call of the telephone, a detected outgoing / incoming call to a specific telephone number or an incoming call from a specific telephone number DTMF signal is extracted from the sound signal during a call on condition that the determination unit determines whether the call is a call to a specific telephone number or an incoming call from a specific telephone number Function as an extraction unit.

  ADVANTAGE OF THE INVENTION According to this invention, based on the DTMF signal contained in the sound signal during a telephone call, predetermined control can be performed, preventing malfunction.

It is a figure which shows the outline | summary of the mobile telephone of this invention. It is a figure which shows the outline | summary of the mobile telephone of this invention. 1 is a system configuration diagram showing a configuration of a telephone system including a mobile phone. It is a block diagram which shows the function structure of a mobile telephone. It is a figure which shows the structure of the data memorize | stored in a memory | storage part. It is a figure which shows the structure of a DTMF signal. It is an example of a display of the mobile phone corresponding to a change auxiliary function. It is a display example of a mobile phone that does not support the change assist function. It is a figure which shows the example of a screen transition of the setting screen at the time of assisting the setting change of a mobile telephone. It is a figure which shows the operation example at the time of assisting the setting change of a mobile telephone by a change assistance function. It is a figure which shows the operation example at the time of assisting the setting change of a mobile telephone by a change assistance function. It is a flowchart which shows the flow of a process of a mobile telephone. It is a figure which shows the outline | summary of the mobile telephone of another embodiment.

[Outline of the present invention]
First, the outline of the mobile phone of the present invention will be described with reference to FIG.
As shown in FIG. 1A, when the user of the mobile phone does not know how to set the operation mode of the mobile phone, the user makes a call to the CS and inquires about the setting method. The CS operator checks the setting method desired by the user and provides information to the user. In the present invention, the CS operator transmits a change auxiliary signal composed of a DTMF signal to the mobile phone during a call. Send. In the mobile phone, when the change auxiliary signal is received, the setting change operation by the user is assisted.

As an example, in a mobile phone, a setting change operation by the user is assisted by displaying a setting screen for performing a setting desired by the user. Moreover, in a mobile phone, the setting change operation by the user may be assisted by automatically changing the setting desired by the user.
Note that the function of the mobile phone that assists the setting change operation based on the change auxiliary signal (that is, the DTMF signal) may be referred to as “change auxiliary function” below.

At this time, in order to prevent an unexpected operation, the mobile phone of the present invention monitors the incoming and outgoing calls of the mobile phone and restricts the change assist function. That is, as shown in FIG. 1B, the change assist function is turned on when the outgoing / incoming party is a CS, and the change auxiliary function is turned off when the outgoing / incoming party is other than a CS such as a friend.
Thereby, it is possible to easily assist in changing the setting of the mobile phone based on the DTMF signal while preventing malfunction.

<First Embodiment>
Embodiments of the present invention will be described below with reference to the drawings.

[Phone system configuration]
First, the telephone system 100 will be described with reference to FIG. The telephone system 100 is a system that assists in changing the setting of a mobile phone based on a DTMF signal, and includes the mobile phone 1, a CS terminal 80, and a server 90.

  The mobile phone 1 corresponds to the telephone of the present invention and is a mobile phone used by a user. The telephone of the present invention is not limited to a mobile phone, and may be another telephone that can make a call with CS. The mobile phone 1 stores an application program provided from the server 90. The mobile phone 1 realizes a change assist function according to this application program.

  The CS terminal 80 is a terminal device used by a CS operator. The CS terminal 80 includes at least a function of transmitting a DTMF signal to a call with the mobile phone 1 and a mobile phone that is in a call. When there is an inquiry from the user of the mobile phone 1, the operator of the CS terminal 80 transmits a change auxiliary signal constituted by a DTMF signal to the mobile phone 1 using the CS terminal 80.

  The server 90 is a server device that controls the telephone system 100. The server 90 provides an application program to the mobile phone 1. Note that the setting contents that can be changed by the change assist function are increased or decreased sequentially. Therefore, when the application program is updated, the server 90 provides the updated application program to the mobile phone 1. As described above, since the latest application program is sequentially provided from the server 90 to the mobile phone 1, the mobile phone 1 can assist setting changes that could not be supported by the application program before the update.

[Configuration of mobile phone]
Next, the functional configuration of the mobile phone 1 of the present invention will be described. FIG. 3 is a block diagram showing a functional configuration of the mobile phone 1.
As shown in FIG. 3, the mobile phone 1 includes a control unit 2, an input unit 3, a communication unit 4, a speaker 5, a microphone 6, a display unit 7, and a storage unit 8. The

The input unit 3 includes, for example, a button, a contact sensor arranged so as to be superimposed on the display unit 7, and the like. The input unit 3 receives an operation from the user of the mobile phone 1, for example, an operation for selecting information displayed on the display unit 7.
The communication unit 4 performs wireless communication with the base station. That is, the communication unit 4 modulates the signal output from the control unit 2 to generate an RF (Radio Frequency) signal, and wirelessly transmits the RF signal to the base station via an antenna (not shown). In addition, the communication unit 4 demodulates the RF signal received via the antenna and outputs the demodulated signal to the control unit 2.

The speaker 5 is a speaker that outputs sound during a call or the like. The microphone 6 is a microphone that inputs sound during a call.
The display part 7 is comprised by a liquid crystal display, an organic EL (Electro-Luminescence) display, etc., for example. The display unit 7 displays characters, figures, and the like according to the control of the control unit 2.

The storage unit 8 includes, for example, a ROM and a RAM, and stores application programs and various data for causing the mobile phone 1 to implement the change assist function.
Here, an example of data stored in the storage unit 8 is shown in FIG. 4A. As illustrated in FIG. 4A, the storage unit 8 stores the operation definition information in association with the change auxiliary signal.

The change auxiliary signal is a DTMF signal group composed of a plurality of DTMF signals. In the present embodiment, each change auxiliary signal is a DTMF signal group starting from a specific DTMF signal (for example, #).
As shown in FIG. 4B, the DTMF signal is a composite signal of two sound frequency bands of a low group and a high group, and a number from 0 to 9, and symbols *, #, A, B, C, and D This is a composite signal representing a total of 16 types of codes.

The operation definition information is information that defines an operation for assisting a change in operation mode setting of the mobile phone 1. For example, the operation definition information “Z01A” corresponding to the change auxiliary signal “# 222” defines an operation for assisting a setting when traveling abroad, that is, a setting change for using the mobile phone 1 overseas. .
Note that the operation for assisting the setting change may be different for each mobile phone model. Therefore, the operation definition information may be stored in association with the change auxiliary signal and the mobile phone model. Referring to FIG. 4A, even with the same change assist signal “# 222”, the model “ABC11” is associated with the action definition information “Z01A”, and the model “DEF22” is associated with the action definition information “Z01B”. It is attached.

  Returning to FIG. 3, the control unit 2 is configured by, for example, a CPU and executes an application program stored in the storage unit 8, thereby detecting the detection unit 21, the determination unit 22, the extraction unit 23, the operation acquisition unit 24, and the display. It functions as a control unit 25, a setting change unit 26, and a sound control unit 27.

The detection unit 21 detects incoming / outgoing calls of the mobile phone 1. The determination unit 22 determines whether the detected outgoing / incoming call is an outgoing call corresponding to a specific telephone number or an incoming call from a specific telephone number. The specific telephone number is a CS telephone number.
That is, the detection unit 21 and the determination unit 22 monitor whether or not the incoming and outgoing calls of the mobile phone 1 are for the CS.

The extraction unit 23 starts extracting the DTMF signal from the sound signal during the call on condition that the determination unit 22 determines that the call is for a specific phone number or an incoming call from the specific phone number. . The extraction unit 23 extracts a DTMF signal when the sound signal during a call includes a DTMF signal.
In the present embodiment, the extraction unit 23 outputs DTMF signals corresponding to 12 types of codes excluding A, B, C, and D, which are rarely used for a telephone button among 16 types of codes corresponding to the DTMF signal. Extract. At this time, since the change auxiliary signal starts from a specific DTMF signal (for example, #), the extraction unit 23 first executes a process of extracting only the specific DTMF signal, and then Extraction of DTMF signals corresponding to the other 11 types of codes may be started on condition that a specific DTMF signal is extracted. Thereby, since the CPU usage rate of the mobile phone 1 is reduced, power consumption can be suppressed.

The timing at which the extraction unit 23 ends the extraction of the DTMF signal is arbitrary. For example, the extraction of the DTMF signal may be terminated at the timing when the call with the CS is terminated, or may be terminated at other timing. Also good. For example, the extraction unit 23 may end the extraction of the DTMF signal from the sound signal on the condition that the DTMF signal corresponding to the action definition information, that is, the change auxiliary signal is extracted.
In addition, the extraction unit 23 extracts a sound signal from a sound signal on the condition that a predetermined time elapses after a predetermined number of DTMF signals are extracted from a plurality of DTMF signals included in the DTMF signal group corresponding to the operation definition information. The extraction of the DTMF signal may be terminated. Considering that the change auxiliary signal starts from a specific DTMF signal (for example, #), the extraction unit 23, for example, for the entire length necessary to form the change auxiliary signal after the specific DTMF signal is extracted. The extraction of the DTMF signal may be terminated on the condition that time elapses.

  The operation acquisition unit 24 acquires operation definition information from the storage unit 8 based on the extracted DTMF signal. That is, when the extracted DTMF signal matches the change auxiliary signal, the operation acquisition unit 24 acquires operation definition information corresponding to the change auxiliary signal. The operation acquisition unit 24 preferably acquires operation definition information suitable for the model of the mobile phone 1 with reference to the model information of the mobile phone 1.

  The display control unit 25 displays a setting screen for changing the operation mode setting on the display unit 7 based on the acquired operation definition information. Note that some of the operation modes must be set using a plurality of setting screens. In this regard, the display control unit 25 displays an operation unit (see the next button 302 in FIG. 6) for transitioning between a plurality of setting screens together with the setting screen, thereby assisting the user to change the setting screen. . In addition, the display control unit 25 displays information (see information 301 and 303 in FIG. 6) indicating setting contents to be performed by the user together with the setting screen, and assists the setting operation by the user.

In addition, the display control unit 25 displays predetermined information on the display unit 7 on the condition that the determination unit 22 determines that the call is incoming / outgoing according to a specific telephone number.
Since the mobile phone 1 realizes the change assist function according to the application program provided from the server 90, a mobile phone that does not store the application program cannot realize the change assist function. Therefore, in the present embodiment, by displaying predetermined information on the display unit 7 of the mobile phone 1, it is possible to determine whether or not the change assist function is supported. That is, as shown in FIG. 5A, in the case of the mobile phone 1 that supports the change assist function, the display control unit 25 displays the correspondence mark 201 on the display unit 7 of the mobile phone 1 during a call with CS. On the other hand, as shown in FIG. 5B, in the case of a mobile phone that does not support the change assist function, the correspondence mark 201 is not displayed even during a call with CS.

  As will be described later, the correspondence mark 201 is configured to be selectable by the user of the mobile phone 1, and when the user selects the correspondence mark 201, the display control unit 25 assists the setting change of the mobile phone 1. Is displayed on the display unit 7 so as to be selectable.

  Returning to FIG. 3, the setting changing unit 26 changes the setting of the mobile phone 1 based on the acquired operation definition information. Details of the setting change of the mobile phone 1 will be described later.

  The sound control unit 27 turns on the speakerphone setting based on the user's operation. As an example, when the corresponding mark 201 displayed on the display unit 7 is selected, the sound control unit 27 turns on the speakerphone setting. Note that the timing for turning off the speakerphone setting that is set to ON is arbitrary, and for example, any timing such as the timing when the user selects the correspondence mark 201 again, the timing when the call with the CS ends, etc. is adopted. Can do.

[Mobile phone operation]
Next, an operation when the mobile phone 1 assists a user to change a setting will be described. In the following description, the operation when setting for overseas travel will be described as an example.

In this embodiment, the settings for overseas travel are as follows: (1) Change wireless setting from domestic mode to overseas mode, (2) Set data roaming on, (3) Set PRL (roaming area information) to the latest The three stages are set.
These three-stage settings are performed, for example, by setting (2) and (3) on the roaming setting screen 73 after setting (1) on the wireless setting screen 72 shown in FIG.

At this time, the wireless setting screen 72 for performing the setting of (1) and the roaming setting screen 73 for performing the setting of (2) and (3) may not be configured to be capable of transitioning continuously. That is, as shown in FIG. 6, the mobile phone is provided with a setting menu screen 71, and the wireless setting screen 72 and the roaming setting screen 73 can be transited via the setting menu screen 71. It is not possible to make a direct transition from the screen 72 to the roaming setting screen 73.
From the user's point of view, settings consisting of a plurality of stages must be performed using non-continuous setting screens, which is cumbersome and difficult. In this respect, in the mobile phone 1 of the present invention having the change assist function, the setting change is assisted using the operation definition information in which the operation for assisting the setting change is defined. Can be made.

  Specifically, as shown in FIG. 7A, a change auxiliary signal is transmitted from the CS terminal 80 to the mobile phone 1, and the control unit 2 (extraction unit 23) of the mobile phone 1 corresponds to the change auxiliary signal. When the DTMF signal is extracted, the control unit 2 (operation acquisition unit 24) of the mobile phone 1 acquires operation definition information corresponding to the change auxiliary signal.

  The control unit 2 (display control unit 25) of the mobile phone 1 (display control unit 25, setting change unit 26) assists in changing settings for overseas travel according to the acquired operation definition information. As an example, the control unit 2 (the display control unit 25 and the setting change unit 26) of the mobile phone 1 calls the wireless setting screen 72 that originally transits via the setting menu screen 71 as shown in FIG. The information 301 is displayed on the display unit 7 directly from the middle screen, and information 301 indicating the setting contents to be performed by the user on the wireless setting screen 72 is displayed on the display unit 7. When the user operates the change button 31 to the overseas mode according to the information 301, the control unit 2 (setting change unit 26) of the mobile phone 1 changes the wireless setting from the domestic mode to the overseas mode.

  When the next button 302 is operated on the wireless setting screen 72, the control unit 2 (the display control unit 25 and the setting change unit 26) of the mobile phone 1 performs the wireless setting as shown in FIG. The roaming setting screen 73 is displayed directly from the screen 72, and the setting content automatically performed by the control unit 2 (setting changing unit 26) on the roaming setting screen 73 and the setting content to be performed by the user on the roaming setting screen 73 Is displayed on the display unit 7. Thereafter, when the user operates the PRL button 304 according to the information 303, the control unit 2 (setting change unit 26) of the mobile phone 1 sets the latest PRL.

  In the example illustrated in FIG. 7, the example in which the display control by the display control unit 25 of the mobile phone 1 and the setting change control by the setting change unit 26 are performed simultaneously has been described. In this regard, in the mobile phone 1 of the present invention, it is only necessary that the display control unit 25 can display the setting screen, and setting change control by the setting changing unit 26 is not essential.

In the example shown in FIG. 7, there is a part where the setting changing unit 26 of the mobile phone 1 automatically changes the setting, and a part where the setting is changed by a user operation. This is because the part where the setting can be automatically changed differs depending on the specifications of the mobile phone. As an example, in the mobile phone 1, although (2) the setting for turning on data roaming can be automatically changed, (1) the wireless setting is changed from the domestic mode to the overseas mode, and (3) the PRL is set to the latest one. Since the setting cannot be automatically changed, the setting change unit 26 automatically performs the setting of (2), and the settings of (1) and (3) are performed by the user's operation.
Therefore, when the setting changing unit 26 changes the setting of the mobile phone 1 based on the acquired operation definition information, the setting changing unit 26 automatically changes the setting, and the setting changing unit 26 is operated by a user operation. Includes changing the settings.

By the way, since the DTMF signal is transmitted together with the sound signal during a call, the mobile phone 1 may not properly recognize the DTMF signal (change auxiliary signal). In such a case, in order for the user to change the setting manually, it is necessary to make a setting consisting of a plurality of stages using a setting screen that is not continuous, which is complicated and difficult.
Therefore, in the mobile phone 1 of the present embodiment, the operation definition information can be selected by a user operation.

That is, as shown in FIG. 8A, when the mobile phone 1 cannot recognize the DTMF signal (change auxiliary signal), the operator of the CS terminal 80 operates the corresponding mark 201 on the user of the mobile phone 1. Prompt.
Then, when the input unit 3 of the mobile phone 1 accepts a user operation on the corresponding mark 201, the control unit 2 (display control unit 25) of the mobile phone 1 selects the user as shown in FIG. Possible selection buttons 311 and 312 are displayed on the display unit 7. The selection button 311 is a button for setting when traveling abroad, and the selection button 312 is a button for suppressing battery consumption. When the selection buttons 311 and 312 are operated, the control unit 2 (operation acquisition unit 24) of the mobile phone 1 acquires the corresponding operation definition information. Note that the operation after acquiring the operation definition information is as already described with reference to FIGS.

[Handling mobile phones]
Next, processing of the mobile phone 1 will be described. FIG. 9 is a flowchart showing an example of the processing flow of the mobile phone 1.
First, the control unit 2 (detection unit 21, determination unit 22) of the mobile phone 1 monitors the incoming and outgoing calls of the mobile phone 1, and determines whether or not the call destination is for the CS, that is, the call destination or the call source. It is determined whether the telephone number is a CS telephone number (step S1).

  When the call destination is for CS, the control unit 2 (extraction unit 23) of the mobile phone 1 starts extracting the DTMF signal from the sound signal during the call (step S2). After that, when the control unit 2 (extracting unit 23) of the mobile phone 1 extracts the DTMF signal “#” corresponding to the start of the change auxiliary signal (step S3), the control unit 2 (extracting unit 23) has the full length necessary for forming the change auxiliary signal. Is started (step S4). Thereafter, when a predetermined time elapses (step S5), the control unit 2 (extraction unit 23) of the mobile phone 1 determines whether or not the DTMF signal extracted within the predetermined time corresponds to the change auxiliary signal (step S5). S6). When this determination is YES, the process proceeds to step S7, and when it is NO, the process proceeds to step S3, and the change auxiliary signal is extracted again.

  In step S7, when the control unit 2 (extraction unit 23) of the mobile phone 1 finishes the extraction of the DTMF signal, the control unit 2 (operation acquisition unit 24) of the mobile phone 1 defines the operation corresponding to the extracted change auxiliary signal. Information is acquired from the storage unit 8. Subsequently, the control unit (display control unit 25, setting change unit 26) of the mobile phone 1 assists the setting change of the mobile phone 1 based on the operation definition information (step S8), and ends the process. That is, the control unit (display control unit 25, setting change unit 26) of the mobile phone 1 displays a setting screen and accompanying information (next button 302, information 301, 303, etc.), and automatically when necessary. Assisting the setting change by making various setting changes.

  When the call destination is for CS, the control unit 2 (display control unit 25) of the mobile phone 1 displays a corresponding mark 201 on the display unit 7 of the mobile phone 1 indicating that the change assist function is supported. Display (step S11).

Thereafter, when the input unit 3 of the mobile phone 1 accepts an operation for the corresponding mark 201 (step S12), the control unit 2 (display control unit 25) of the mobile phone 1 selects a selection button 311 for selecting operation definition information. 312 is displayed on the display unit 7 of the mobile phone 1 (step S13). Subsequently, the control unit 2 (operation acquisition unit 24) of the mobile phone 1 monitors whether or not the selection buttons 311 and 312 have been operated (step S14), and when the selection buttons 311 and 312 are operated, The operation definition information corresponding to the operated selection buttons 311 and 312 is acquired from the storage unit 8 (step S15), and the process proceeds to step S8.
On the other hand, when the corresponding mark 201 and the selection buttons 311 and 312 are not operated, the control unit 2 of the mobile phone 1 ends the process.

[Effect of the mobile phone according to the first embodiment]
According to the mobile phone 1 of the present embodiment described above, the following effects can be expected.

  The mobile phone 1 does not always extract a DTMF signal during a call, but extracts a DTMF signal only when the call destination is for CS. Therefore, it is possible to prevent the mobile phone 1 from being erroneously operated during a normal call with a friend or the like.

  In addition, when the mobile phone 1 extracts the DTMF signal included in the sound signal during a call with the CS, the mobile phone 1 assists in changing the setting of the mobile phone 1 based on the extracted DTMF signal. As a result, it is possible to easily perform settings in the mobile phone 1 that is multifunctional and requires various settings. As a result, according to the mobile phone 1 of the present invention, setting change by the user can be assisted while preventing malfunctioning based on the DTMF signal included in the sound signal during a call.

  In the cellular phone 1, when the DTMF signal corresponding to the change auxiliary signal is extracted, the setting is automatically changed. As a result, even when many operations are required to change the settings, the settings can be easily changed, and convenience can be improved.

  Further, when the mobile phone 1 extracts the DTMF signal corresponding to the operation definition information for assisting the setting change, the extraction of the DTMF signal is terminated. As a result, the DTMF signal is not extracted even during a call with the CS after the situation is sufficient to assist the setting change. Therefore, the CPU usage rate of the mobile phone 1 can be reduced and the power consumption can be reduced. Can be suppressed.

  Further, the mobile phone 1 extracts a specific DTMF signal (#) indicating the start of the DTMF signal group (change auxiliary signal) corresponding to the operation definition information, and then the time corresponding to the entire length of the DTMF signal group elapses. The extraction of the DTMF signal may be terminated on the condition. Even in such a case, the CPU usage rate of the mobile phone 1 can be reduced and the power consumption can be suppressed.

  In the mobile phone 1, the correspondence mark 201 is displayed on the display unit 7 during a call with the CS. As a result, it is possible to determine whether or not the change assist function is supported, so that the user and the CS operator can exchange smoothly.

  In addition, when the mobile phone 1 receives an operation on the corresponding mark 201, the mobile phone 1 displays selection buttons 311 and 312 that can select the operation definition information without depending on the DTMF signal. Thereby, even if the extraction accuracy of the DTMF signal is poor, the setting change by the user can be assisted, and the user can easily change the setting of the mobile phone 1.

Second Embodiment
Next, a second embodiment of the mobile phone 1 of the present invention will be described.
The cellular phone 1 receives a sound signal during a call via the communication unit 4 and outputs it from the speaker 5. In order to extract the DTMF signal from the sound signal during a call, it is preferable to analyze the sound signal received via the communication unit 4. However, the specifications from the communication unit 4 to the speaker 5 are performed by the manufacturer of the mobile phone 1, and depending on the mobile phone 1, the sound signal received via the communication unit 4 may not be directly analyzed. .

  Therefore, the mobile phone 1 according to the second embodiment does not directly analyze the sound signal received through the communication unit 4 as shown in FIG. The extraction unit 23 analyzes the acquired sound signal and extracts a DTMF signal.

  Specifically, the CS operator prompts the user to turn on the speakerphone setting during a call. Accordingly, when the user operates the mobile phone 1, the sound control unit 27 turns on the speakerphone setting. As a result, the sound during the call is output from the speaker 5 toward the periphery of the mobile phone 1, so that the synthesized sound corresponding to the DTMF signal included in the sound during the call can be acquired by the microphone 6. .

  The extraction unit 23 of the mobile phone 1 analyzes a sound signal corresponding to the sound during a call output from the speaker acquired via the microphone 6 and extracts a DTMF signal from the sound signal. Then, when the extraction unit 23 extracts the DTMF signal corresponding to the change auxiliary signal, the operation acquisition unit 24 acquires the corresponding operation definition information, and the display control unit 25 and the setting change unit 26 carry it based on the operation definition information. Assist in changing the settings of phone 1.

[Effect of the mobile phone of the second embodiment]
As described above, in the mobile phone 1 of the second embodiment, the DTMF signal transmitted from the CS terminal 80 is obtained from the sound signal obtained by the microphone 6 with the sound output from the speaker 5 with the speakerphone setting turned on. Extract.
Thereby, even if it is the mobile telephone 1 which cannot change the specification between the communication part 4 and the speaker 5, a DTMF signal can be extracted and a change auxiliary function can be implement | achieved.

  Note that the speakerphone setting that is set to ON is set to OFF on condition that a predetermined condition is satisfied, and thus does not hinder a call. At this time, as the predetermined condition, an arbitrary condition such as a user operation, termination of a call with CS, extraction of a DTMF signal, or the like can be used.

  As mentioned above, although this invention was demonstrated using embodiment, the technical scope of this invention is not limited to the range as described in the said embodiment. It will be apparent to those skilled in the art that various modifications or improvements can be added to the above embodiment.

DESCRIPTION OF SYMBOLS 1 ... Mobile phone, 2 ... Control part, 21 ... Detection part, 22 ... Determination part, 23 ... Extraction part, 24 ... Motion acquisition part, 25 ... Display control part , 26 ... setting change unit, 27 ... sound control unit, 3 ... input unit, 4 ... communication unit, 5 ... speaker, 6 ... microphone, 7 ... display unit, 8 ... Storage unit

Claims (8)

A phone that can set the operation mode,
A detector for detecting incoming and outgoing calls;
A determination unit for determining whether the detected outgoing / incoming call is a call to a specific telephone number or an incoming call from a specific telephone number;
An extraction unit for extracting a DTMF signal from a sound signal during a call, on condition that the determination unit determines that the call is for a specific phone number or an incoming call from a specific phone number;
An action acquisition unit for acquiring action definition information based on the extracted DTMF signal;
A display control unit for displaying a setting screen for changing the setting of the operation mode based on the acquired operation definition information;
Phone with. Based on the acquired operation definition information set to change the settings of the telephone constant changing unit,
The telephone set according to claim 1, further comprising: The extraction unit ends extraction of the DTMF signal from the sound signal on condition that a DTMF signal corresponding to the action definition information is extracted.
The telephone set according to claim 1 or 2. The operation definition information is associated with a DTMF signal group composed of a plurality of DTMF signals,
The extraction unit extracts the sound signal from the sound signal on condition that a predetermined time elapses after a predetermined number of DTMF signals are extracted from a plurality of DTMF signals included in the DTMF signal group corresponding to the operation definition information. End extraction of the DTMF signal;
The telephone set according to any one of claims 1 to 3. The display control unit displays predetermined information on the display unit on the condition that the determination unit determines that the call is incoming / outgoing according to a specific telephone number,
The telephone set according to any one of claims 1 to 4. An input unit that receives an operation on the predetermined information displayed on the display unit;
The display control unit displays the operation definition information on the display unit in a selectable manner on condition that the operation is accepted.
The telephone set according to claim 5. The phone that can set the operation mode is executed,
Detecting incoming and outgoing calls of the telephone;
Determining whether the detected outgoing / incoming call is a call to a specific telephone number or an incoming call from a specific telephone number;
Extracting a DTMF signal from a sound signal during a call, provided that it is determined that the call originates from a specific telephone number or is received from a specific telephone number;
Obtaining operation definition information based on the extracted DTMF signal;
And steps for displaying a setting screen for changing the settings of the operation mode based on the acquired operation definition information,
Including methods. A phone that can set the operation mode
A detecting unit for detecting incoming and outgoing calls of the telephone;
A determination unit that determines whether the detected outgoing / incoming call is a call to a specific telephone number or an incoming call from a specific telephone number;
An extraction unit for extracting a DTMF signal from a sound signal during a call, on condition that the determination unit determines that the call is for a specific phone number or an incoming call from a specific phone number;
An operation acquisition unit that acquires operation definition information based on the extracted DTMF signal, and a display control unit that displays a setting screen for changing the setting of the operation mode based on the acquired operation definition information ;
Program for telephones to function as

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