JP2002034078A - Radio mobile communication system and radio mobile communication terminal - Google Patents

Abstract

PROBLEM TO BE SOLVED: To automatically inhibit call and the generation of arrival signal sound ringing by a radio mobile communication terminal at a place where other people can be troubled. SOLUTION: A local base station 2 with a call inhibition area 6 as a cell is arranged at the call inhibition area 6 where arrival signal sound ringing and the generation of voices are not desirable in a radio mobile communication system, and a report signal transmitted from the local base station 2 is allowed to contain information for inhibiting the call and arrival sound ringing of the radio mobile communication terminal, thus automatically inhibiting the voice call and arrival sound ring by the radio mobile communication terminal. On the other hand, in the case of communication where no sound such as data communication is generated, a service detection part is provided at the radio mobile communication terminal, thus inhibiting communication.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method for suppressing a voice call and a ring tone of a radio mobile communication terminal in a radio mobile communication system such as a mobile phone and a mobile phone.

[0002]

2. Description of the Related Art In a conventional wireless mobile communication system using a wireless mobile communication terminal, in order to notify a user of an incoming call,
Sounding of audible sound (ringing sound), issuing diode (LE
Functions such as lighting or blinking of D) and vibration of the terminal itself (vibrator function) are used. In places such as movie theaters and concert halls where the ringing sound of the wireless mobile communication terminal is annoying to the surrounding people, the user can switch the switch as a means of notifying the incoming call,
It is common to use LED lighting or blinking or a vibrator function. In addition, in a place as described above, since a user's voice due to a telephone call also disturbs the surroundings, it is general manner that the user does not make a telephone call from the wireless mobile communication terminal.

However, the setting so that the ring tone does not ring is performed by a human hand, and the user sometimes forgets the setting. Also, when the user moves while making a call from another place, the voice call may not be recognized as an undesirable place.

In such a situation, as a method for automatically suppressing the ringing sound, Japanese Patent Laid-Open No. 11-215561 discloses a method.
As disclosed in Japanese Unexamined Patent Publication (Kokai) No. H10-214, an auxiliary base station for transmitting a signal for notifying the suppression of ringing sound is installed in an area where ringing sound is not desirable, Methods for suppressing ringing are known.

[0005]

However, in the method disclosed in Japanese Patent Application Laid-Open No. H11-215561, the suppression of the ringing tone is notified to a place where the ringing tone is not preferable. The auxiliary base station that transmits the signal only adds the signal for suppressing the ringing tone to the broadcast signal and transmits the signal, and performs the normal communication service to the wireless mobile communication terminal because it is not connected to the line. It is not possible. Therefore, it is not possible to suppress outgoing calls, and when using services other than voice calls such as data communication, there is no effect on the surroundings due to sound, so even if communication is performed in places where calls are not preferable. Although there may be no problem, there is a problem that services other than voice cannot be used.

[0006] Also, in places where ringing is undesirable,
For example, it is often a place where radio waves are difficult to reach, such as in a movie theater, and communication with a normal base station outside the movie theater is not possible, and there are cases where services other than voice calls such as data communication are used. There is a problem that communication becomes impossible.

SUMMARY OF THE INVENTION The present invention has been made to solve such a problem, and a place where it is not preferable to make a ring tone of a wireless mobile communication terminal and make a call (a call suppression area).
A method of automatically suppressing ringing, calling, and voice calls, but not interrupting or suppressing communications other than voice calls such as data communication;
An object of the present invention is to provide a wireless mobile communication terminal used in the method and a wireless mobile communication system to which the method is applied.

[0008]

According to the present invention, there is provided a radio mobile communication system, comprising: a base station for communicating with a radio communication terminal; and a call suppression unit for communicating with the radio communication terminal and indicating that the communication should be suppressed. A local base station for transmitting a signal by adding a signal to a broadcast signal; and a mobile communication control station for controlling the base station and the local base station, wherein the local base station performs the mobile communication similarly to the base station. It is configured to be connected to a communication control station via a line.

[0009] According to this configuration, when the local base station is installed in the call inhibition area, and the mobile communication terminal is in the call inhibition area, the call is inhibited from the user by the call inhibition signal transmitted from the local base station. Even if you forget to set the ring tone of the communication terminal to not ring, you can prevent the ring tone from ringing automatically

[0010] Further, the wireless mobile communication system of the present invention comprises:
In the above configuration, the local base station notifies the mobile communication control station via a line that the radio communication terminal has received the call suppression signal transmitted by the local base station, so that the mobile communication control station , The wireless communication terminal is controlled to communicate with either the base station or the local base station.

According to this configuration, the wireless communication terminal includes:
If the mobile station is in the base station cell and in the local base station cell where communication is to be suppressed, the mobile communication control station can control the mobile station to communicate with the local base station.

[0012] Further, a wireless mobile communication terminal in the wireless mobile communication system according to the present invention receives a broadcast signal transmitted from the base station or the local base station, and detects the call inhibit signal from the broadcast signal. A signal detection unit, a terminal information transmission unit that transmits terminal information indicating that the call suppression signal is detected, and a control unit that controls ringing sound and voice call according to the detected call suppression signal. Has become.

According to this configuration, when the wireless mobile communication terminal is in the call inhibition area or moves and enters the call inhibition area, the ringing tone and the telephone call are made by detecting the call inhibition signal. It can be suppressed automatically.

[0014] Further, the radio mobile communication terminal in the radio mobile communication system according to the present invention further comprises, in addition to the above configuration, a notifying means for receiving a call suppression signal to notify a user of being in the call suppression area. Configuration.

According to this configuration, the user is notified by means of a display or a sound that the wireless mobile communication terminal is in the call inhibition area or has moved and entered the call inhibition area. Can be.

Further, in addition to the above configuration, the wireless mobile communication terminal in the wireless mobile communication system of the present invention further comprises a communication format detecting means for detecting a communication format, and a communication type detecting device based on a result detected by the communication format detecting means. It has a configuration including communication control means for performing control.

According to this configuration, when the communication format detected by the communication format detecting means is data communication that does not affect the surroundings due to sound, the communication is performed even if the wireless mobile communication terminal is in the call inhibition area. Can be continued without deterrence.

[0018] Also, the call suppression method of the present invention includes a call suppression signal detecting step of receiving a broadcast signal transmitted from the base station or the local base station and detecting the call suppression signal from the broadcast signal. A terminal information transmitting step of transmitting terminal information indicating that the call suppression signal has been detected,
A control step of controlling ringing sound and voice communication according to the detected call inhibition signal.

According to this configuration, when the wireless mobile communication terminal is in the call inhibition area or moves and enters the call inhibition area, the ringing sound and the telephone call are made by detecting the call inhibition signal. It can be suppressed automatically.

Further, in the method for suppressing call according to the present invention, the notice for notifying the user that the radio mobile communication terminal is in the area where the ring tone and the voice call are to be controlled is detected by detecting the call suppression signal. Process.

According to this configuration, the user is notified of the fact that the wireless mobile communication terminal is in the call inhibition area or that the terminal has moved into the call inhibition area by generating a display or sound. can do.

Further, the radio mobile communication terminal in the radio mobile communication system according to the present invention has a configuration in which a communication format detection step for detecting a communication format and a communication control based on a result detected in the communication format detection step. Has become.

According to this configuration, when the communication format detected in the communication format detecting step is data communication that does not affect the surroundings due to sound, the communication is performed even if the wireless mobile communication terminal is in the call suppression area. Can be continued without deterrence.

[0024]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiments of the present invention will be described below with reference to FIGS.

(Embodiment 1) The radio mobile communication system and the radio mobile terminal according to Embodiment 1 automatically suppress the ringing of the radio mobile terminal in a place where it is not preferable to make the ringing. It has a configuration that can be used.

FIG. 1 is a configuration diagram of the radio mobile communication system according to the first embodiment. In FIG. 1, a base station 1 communicates with a wireless mobile communication terminal 3 using a base station cell 7 as a communication area, and is located in a service area of the present wireless mobile communication system and a mobile communication control station 5 via a line 4. Connected to.

The local base station 2 is installed in a call suppression area 6 which is an area where it is not preferable to make a ringtone and make a call, and communicates with the radio mobile communication terminal 3 in the same manner as the base station 1. A call suppression signal indicating that it is within the call suppression area 6 is transmitted. The local base station 2 is connected to the mobile communication control station 5 via the line 4 in the same manner as the base station 1.

The radio mobile communication terminal 3 is a terminal for a user to make a call or the like. When the radio mobile communication terminal 3 exists in the call suppression area, the mobile communication terminal 3 is controlled by the mobile communication control station 5 to communicate with the base station 1. Communicates with the local base station 2 without
The ringing sound is suppressed by a call suppression signal from the local base station 2 in the call suppression area 6. In other words, even if the call suppression area 6 is in the base station cell 7 which is the communication area of the base station 1, the wireless mobile communication terminal 3 is not connected to the local base station 2
Communication with the

The line 4 connects the base station 1, the local base station 2, and the mobile communication control station 5. Mobile communication control station 5
Performs the service of the present wireless mobile communication system composed of the base station 1, the local base station 2, and the wireless mobile communication terminal 3 via the line 4, and connects to another wireless mobile communication system (not shown). This enables communication with a terminal connected to another wireless mobile communication system.

The call suppression area 6 is a communication area of the local base station 2 and is an area in which it is not preferable to make a ringtone and make a call.
Is smaller than the base station cell 7 by the base station 1 such as inside a movie theater. The base station cell 7 is a communication area of the base station 1.

Next, the operation of the radio mobile communication system according to the first embodiment will be described. In the wireless mobile communication system according to the first embodiment, the call suppression area 6 is a cell, and the local base station 2 having a function of adding a call suppression signal for suppressing a ringing tone and a voice call to a notification signal is installed. The local base station 2 performs communication with the wireless mobile communication terminal in the same manner as the base station 1, and transmits the broadcast signal to which the call suppression signal is added at regular intervals. The wireless mobile communication terminal 3 receives the notification signal,
Recognizing that the wireless mobile communication terminal 3 is in the call inhibition area 6, it starts communication with the local base station 2.

The mobile communication terminal 3 includes a mobile communication control station 5
Communicates with either the base station 1 or the local base station 2. When the wireless mobile communication terminal 3 is in the call inhibition area 6, it communicates with the local base station 2,
The wireless mobile communication terminal 3 operates so as not to sound a ring tone even when a call signal arrives from the local base station 2.

In the present radio mobile communication system, the call suppression area 6 and the base station cell 7 may overlap. That is, the call suppression area exists within the range of the cell of the base station 1. Therefore, the mobile communication control station 5
The radio mobile communication terminal 3 is the base station 1 or the local base station 2
Select to communicate with any of.

The selection method will be described below. When the wireless mobile communication terminal 3 performs communication with either the base station 1 or the local base station 2, a broadcast signal is transmitted from each of the base station 1 and the local base station 2 at regular intervals. Here, a call suppression signal is added to the broadcast signal from the local base station 2 as described above. Upon receiving the broadcast signal, the wireless mobile communication terminal 3 measures the electric field strength of the received broadcast signal and stores it in the wireless mobile communication terminal 3 in advance in order to determine whether there is sufficient electric field strength for performing communication. The electric field intensity of the received notification signal is evaluated by comparing the electric field intensity with the reference electric field intensity. Wireless mobile communication terminal 3
Transmits the result of the evaluation as terminal information, and when detecting that a call suppression signal is added to the broadcast signal, transmits the terminal information to which the detected information is added.
The base station 1 and the local base station 2 which have received the terminal information transmit the information to the mobile communication control station 5 via the line 4, and the mobile communication control station 5 includes the information on detecting the call suppression signal in the terminal information. If it is, it is determined that the wireless mobile communication terminal 3 is in the call inhibition area 6, and the local base station 2 and the wireless mobile communication terminal 3 are selected to perform communication.

Next, the configuration and operation of local base station 2 according to the first embodiment will be described with reference to FIG. In FIG. 2, a line connection unit 22 controls connection with another base station 1, another local base station 2, and a mobile communication control station 5 in the present radio mobile communication system via a line 4. Controls the connection with the other base station 1 and the other local base station 2 in the present radio mobile communication system by connecting to the mobile communication control station 5 via the line 4, and transmits the transmission signal from the line 4 The signal is output to the call suppression signal adding unit 23 and the reception unit 24
And outputs the received signal to the line 4. The call suppression signal adding unit 23 adds a call suppression signal indicating that the local base station 2 is in the call suppression area to the transmission signal supplied from the line 4. Also, the call suppression signal adding unit 23
When the local base station 2 is located outside the call suppression area, the transmission signal supplied from the line 4 is output to the transmission unit 25 without adding the call suppression signal. The transmission unit 25 transmits the transmission signal supplied from the call suppression signal addition unit 23 to the antenna 2
1 to be transmitted. The receiving unit 24 outputs the received signal received by the antenna 21 to the line connecting unit 22.

The local base station 2 has a call suppression signal adding section 23 for adding a call suppression signal to the broadcast signal;
Except that the cell range is small, it has the same function as the base station 1. The reason why the cell range of the local base station 2 is small is that the call suppression area is generally small, such as in a movie theater, when compared with the communication area of the base station 1. Therefore, the cell range of the local base station 2 is reduced in accordance with the call suppression area by reducing the transmission output of the local base station 2.

Next, the configuration and operation of the wireless mobile communication terminal 3 according to the first embodiment will be described with reference to FIGS. FIG. 3 is a configuration diagram of the wireless mobile communication terminal 3 according to the first embodiment. The communication processing unit 30 includes the base station 1
Alternatively, by performing a process of receiving a call signal transmitted from the local base station 2 and a process of transmitting a call,
Performs processing for normal telephone functions. Notification signal receiving unit 3
2 receives a broadcast signal transmitted from the base station 1 or the local base station 2 via the antenna 31 and outputs the received broadcast signal to the broadcast signal selection unit 33. The broadcast signal selection unit 33 selects a broadcast signal from the local base station 2 received by the broadcast signal receiving unit 32 and outputs the selected broadcast signal to the call suppression signal detection unit 34.

The call suppression signal detection section 34 detects the presence or absence of a call suppression signal from the notification signal selected by the notification signal selection section 33, and outputs the result to the ringtone sounding section 35. When the call inhibit signal is detected by the call inhibit signal detection unit 34, the ring tone sounding unit 35 operates so as not to sound the ring tone, and when the call inhibit signal is not detected, the ring tone sound unit 35 activates the ring tone. Operates to ring. Further, the call suppression signal detection unit 34 sends terminal information such as the electric field strength of the received notification signal to the communication processing unit 30. At this time, when a call suppression signal is detected, information on which the call suppression signal is detected is added to the terminal information.

The communication processing unit 30 transmits this terminal information,
When the base station 1 or the local base station 2 receives the terminal information, the communication is established and the service is started. At this time, if the wireless mobile communication terminal 3 detects the call suppression signal and determines that the own terminal is in the call suppression area, it communicates with the local base station 2 instead of with the base station 1.

After the above operation is completed, after a predetermined time has elapsed, the above-mentioned operation of receiving the notification signal again by the notification signal receiving unit 32, detecting the above-mentioned call suppression signal, and not sounding the ringing tone. repeat.

As described above, according to the local base station 2 and the wireless mobile communication terminal 3 in the wireless mobile communication system of the first embodiment, when the wireless mobile communication terminal 3 is in the call inhibition area, the local base station 2 The communication with the local base station 2 can be selected by the notification signal to which the call suppression signal transmitted from is added, and the ringing tone can not be automatically sounded.

The call suppression area is often a place where radio waves are generally difficult to reach, such as a movie theater. By installing the local base station 2 in such a place, it is possible to suppress ringing of a ring tone. The communication can be continued by communicating with the local base station 2 even when the base station 1 is outside a movie theater or the like and radio waves do not reach.

(Embodiment 2) The wireless mobile communication system and the wireless mobile terminal of the present embodiment 2 automatically perform the operation of the wireless mobile terminal in a place where it is not preferable to make a ring tone and make a call for a call. The configuration is such that ringing and ringing can be suppressed.

The mobile radio communication system according to the second embodiment of the present invention is basically the same as the system described in the first embodiment with reference to FIG.
Is connected to the line 4 in the same manner as in the first embodiment, communicates with the wireless mobile communication terminal in the same manner as the base station 1, and transmits a notification signal to which a call suppression signal is added. Also, as in the first embodiment, the mobile communication control station 5 selects to communicate with either the base station 1 or the local base station 2 and the wireless mobile communication terminal 3 and controls the wireless mobile communication system. Do.

The difference between the wireless mobile communication system of the second embodiment and the wireless mobile communication system of the first embodiment is that the configuration and operation of the wireless mobile communication terminal 3 are different. Therefore, in the second embodiment, only the configuration and operation of wireless mobile communication terminal 3 will be described.

The mobile radio communication terminal 3 shown in FIG. 4 is obtained by adding a call suppression notifying section 36 and a call suppression setting section 37 to the configuration of FIG. 3 described in the first embodiment. The same reference numerals are given to the same parts as those described above, and the detailed description is omitted.

In the wireless mobile communication terminal 3 shown in FIG.
The call suppression signal detector 34 detects the presence or absence of a call suppression signal from the broadcast signal transmitted from the local base station 2 as in the first embodiment. When detecting the call suppression signal, the wireless mobile communication terminal 3 adds the information of the detected call suppression signal to the terminal information and transmits the terminal information, starts communication with the local base station 2, and operates so as not to sound a ring tone.

At this time, the call suppression notifying section 36 notifies the user by displaying or sounding that the mobile communication terminal 3 is currently in a place where the calling operation should not be performed. At the same time, the call suppression setting unit 37 controls the call processing unit 30 not to make a voice call. If no call suppression signal is detected, the ringtone sounding section 35 operates to sound a ringtone, and the call suppression setting section 37
It controls the call processing unit 30 to make a voice call.

After the above operation is completed, as in the first embodiment, after a certain period of time has passed, the notification signal is again received by the notification signal receiving unit 32, and the call inhibition signal is detected. The above operations relating to sound control and voice call transmission are repeated.

Radio mobile communication terminal 3 possessed by the user
However, in order to notify the user that the user is currently in a place where it is not desirable to make a call, the call suppression notifying unit 36 uses a liquid crystal display device provided in a digital portable terminal that is widely used at present. Is displayed or the LED is turned on or blinks. Further, the call suppression notification unit 36 may have a vibrator function.

As described above, according to the local base station 2 and the wireless mobile communication terminal 3 in the wireless mobile communication system according to the second embodiment, when the wireless mobile communication terminal 3 is in the call inhibition area, the local base station 2 The notification signal added with the call suppression signal sent from the device automatically suppresses the ringing of the ringtone and at the same time suppresses the outgoing voice call, and can notify the user by display or sound. it can.

(Embodiment 3) The radio mobile communication system and the radio mobile terminal according to the third embodiment automatically suppress the ringing tone of the radio mobile terminal and the call in the call suppression area, and perform data communication and the like. Communication other than the voice communication described above.

The radio mobile communication system according to the third embodiment of the present invention is basically the same as the system described with reference to FIG. 1 in the first embodiment. And communicates with the wireless mobile communication terminal in the same manner as the base station 1, and transmits a notification signal to which a call suppression signal is added. Also, as in the first embodiment, the mobile communication control station 5 selects to communicate with either the base station 1 or the local base station 2 and the wireless mobile communication terminal 3 and controls the wireless mobile communication system. Do.

The difference between the wireless mobile communication system according to the third embodiment and the wireless mobile communication system according to the first embodiment is that the configuration and operation of the wireless mobile communication terminal 3 are different. Therefore, in the third embodiment, only the configuration and operation of wireless mobile communication terminal 3 will be described.

The mobile communication terminal 3 shown in FIG. 5 is different from the configuration shown in FIG.
Therefore, the same parts as those in FIG. 4 are denoted by the same reference numerals, and detailed description will be omitted.

In the wireless mobile communication terminal 3 shown in FIG.
The call suppression signal detector 34 detects the presence or absence of a call suppression signal from the broadcast signal transmitted from the local base station 2 as in the first embodiment. When detecting the call suppression signal, the wireless mobile communication terminal 3 adds the information on the detection of the call suppression signal to the terminal information and transmits the information, starts communication with the local base station 2, and operates so as not to sound a ring tone. .

At this time, the service detecting section 38 analyzes the communication signal to detect whether the service being communicated is voice communication. When a call suppression signal is detected and the current communication is a voice communication, the call suppression notification unit 36 indicates that the wireless mobile communication terminal 3 is currently in a place where a call should not be made. Or notify the user by sound. After the notification, the call suppression setting unit 37 controls the call processing unit 30 to disconnect the communication with the local base station 2 so as not to make a voice call.

On the other hand, when a call suppression signal is detected,
When the service detection unit 38 detects that the communication is a communication other than the voice communication such as the data communication, the call inhibition notification unit 36 performs the notification operation to the user because the voice does not disturb the surroundings. Instead, the communication control unit 30 controls the call processing unit 30 to continue the data communication without cutting off the communication with the local base station 2.

After the above operation is completed, as in the case of the second embodiment, after a predetermined time has elapsed, the notification signal is again received by the notification signal receiving section 32, and the call inhibition signal is detected. The above operations relating to sound control and communication are repeated.

The mobile communication terminal 3 owned by the user
However, in order to notify the user that the user is currently in a place where it is not desirable to make a call, the call suppression notifying unit 36 uses a liquid crystal display device provided in a digital portable terminal that is widely used at present. Is displayed or the LED is turned on or blinks. Further, the call suppression notifying unit 36 may have a vibrator function, or may output sound from a call speaker provided in a digital mobile phone that is currently widely used.

As described above, according to the wireless mobile communication system of the third embodiment, when the wireless mobile communication terminal 3 is in the call inhibition area, the communication can be continued when it is not a voice communication such as a data communication. . Further, since communication is performed with the local base station 2 in the call suppression area, communication can be performed even in a place where radio waves are difficult to reach.

[0062]

As described above, according to the present invention, a setting is made so that the user does not ring the ring tone in a place where the ring tone of the wireless mobile communication terminal or the call voice disturbs the surrounding people. Even if you forget to do so, it is possible to automatically suppress the ringing tone and voice call, so that it is possible to prevent the ringing tone of the user and the voice generated during the call from disturbing the surrounding people, and Even in such places,
An excellent wireless mobile communication system and wireless mobile communication terminal capable of continuing communication other than voice communication such as data communication can be provided.

[Brief description of the drawings]

FIG. 1 is a configuration diagram of a wireless mobile communication system according to a first embodiment of the present invention.

FIG. 2 is a configuration diagram of a local base station according to Embodiment 1 of the present invention.

FIG. 3 is a configuration diagram of a wireless mobile communication terminal according to Embodiment 1 of the present invention.

FIG. 4 is a configuration diagram of a wireless mobile communication terminal according to a second embodiment of the present invention.

FIG. 5 is a configuration diagram of a wireless mobile communication terminal according to a third embodiment of the present invention.

[Explanation of symbols]

 Reference Signs List 1 base station 2 local base station 3 wireless mobile communication terminal 4 line 5 mobile communication control station 6 call suppression area 7 base station cell 21 antenna 22 line connection unit 23 call suppression signal adding unit 24 reception unit 25 transmission unit 30 communication processing unit 31 Antenna 32 Notification signal reception unit 33 Notification signal selection unit 34 Call suppression signal detection unit 35 Ring tone ringing unit 36 Call suppression notification unit 37 Call suppression setting unit 38 Service detection unit

Claims (8)

[Claims] 1. A base station that communicates with a wireless communication terminal, and a local base station that communicates with the wireless communication terminal and adds a call inhibition signal indicating that the communication should be inhibited to a notification signal and transmits the signal. And a mobile communication control station that controls the base station and the local base station, wherein the local base station is connected to the mobile communication control station by a line. . 2. The mobile communication control station, wherein the local base station notifies the mobile communication control station via a line that the radio communication terminal has received the call inhibition signal transmitted by the local base station. The wireless mobile communication system according to claim 1, wherein the wireless communication terminal controls the wireless communication terminal to perform communication with either the base station or the local base station. 3. A call suppressing signal detecting means for receiving a broadcast signal transmitted from the base station or the local base station and detecting the call suppress signal from the broadcast signal, and detecting that the call suppress signal has been detected. 3. The wireless mobile device according to claim 1, further comprising: terminal information transmitting means for transmitting terminal information to be indicated, and control means for controlling ringing sound and voice communication according to the detected call suppression signal. A wireless mobile communication terminal in a communication system. 4. A notifying means for notifying a user that the wireless mobile communication terminal is in an area where ringing sound and voice communication are to be controlled by detecting the call inhibition signal. The wireless mobile communication terminal according to claim 3. 5. The communication system according to claim 3, further comprising communication format detection means for detecting a communication format, and communication control means for controlling communication based on a result detected by said communication format detection means. Item 5. The wireless mobile communication terminal according to Item 4. 6. A call suppression signal detecting step of receiving a notification signal transmitted from the base station or the local base station and detecting the call suppression signal from the notification signal, and detecting the call suppression signal. And a control step of controlling ringtone and voice communication according to the detected call suppression signal. 7. A notifying step of notifying a user that the wireless mobile communication terminal is in an area where ringing sound and voice call are to be controlled by detecting the call inhibition signal. The method for suppressing call according to claim 6. 8. The communication system according to claim 6, further comprising a communication format detection step of detecting a communication format, and a communication control step of controlling communication based on a result detected in the communication format detection step. Item 7. The call suppressing method according to Item 7.