JP2000197141A - Portable terminal equipment - Google Patents

Abstract

PROBLEM TO BE SOLVED: To prevent a portable terminal equipment from being unauthorizedly used by a third party other than a possessor. SOLUTION: When a prescribed key of an operation section 18 is depressed as soon as a switch SW is depressed, a CPU 15 is started with a power supply from a power supply section 23 to detect the presence of the depression of the prescribed key, and a PHS slave set 1 is discriminated that the slave set 1 is used by the possessor when detecting the depression of the prescribed key and starts its processing. On the other hand, when the prescribed key is not depressed, it is discriminated that the slave set 1 is used by a third party and no succeeding processing is conducted. Moreover, an abbreviation dial is registered to a telephone directory section 14A or 14B depending on whether a mode is a usual mode or not, dialing is made available depending on the respective modes so that possessors A, B can use each abbreviation dial of the telephone directory sections 14A, 14B of one slave set, and the use of the abbreviation dial by other possessors in this case to protect the privacy.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a portable terminal device such as a PHS slave or a portable telephone.

[0002]

2. Description of the Related Art A PHS slave unit and a portable telephone of this type can make and receive calls at any place as long as radio waves from a base station can reach them, and can be easily carried. , Or used for business communication, or each individual uses it for private communication.

[0003]

Since such a portable terminal is carried around when going out, it is often misplaced or stolen while going out.
For example, there is a problem that an enormous call fee is charged when a stolen mobile terminal is used improperly by a third party. Further, when a telephone number is registered in a telephone directory inside a stolen mobile terminal, there is a problem that a mischievous call is made to the registered telephone number. Accordingly, an object of the present invention is to prevent unauthorized use by a third party other than the owner of the mobile terminal.

[0004]

According to the present invention, there is provided a portable terminal which is connected to a telephone line via a base station and stores a plurality of transmission destination data in a memory. Is detected, the switching means sequentially switches a plurality of outgoing destination data in the memory and makes the switched outgoing destination data available.
Also, a display unit is provided, and the caller information received at the time of the incoming call,
When the destination data which is switched by the switching means and currently available matches, the matched destination data is displayed on the display unit. The portable terminal further includes a switching unit that switches a mode when a predetermined operation is detected, and performs a normal operation when the mode switched by the switching unit is a first mode indicating a use mode of the owner of the portable terminal. In the case where the mode is the second mode indicating a use mode other than the owner, the operation is controlled so as to perform an operation different from a normal operation. Further, when the transmission destination data stored in the memory in the first mode is accessed in the second mode, the transmission is performed to a predetermined destination different from the transmission destination,
The fact that this portable terminal is calling is stored in a predetermined area of a memory of a predetermined destination.

[0005]

DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described below with reference to the drawings. FIG. 1 is a block diagram showing the configuration of a portable terminal device according to the present invention, and the portable terminal device is referred to as P.
It shows an example of an HS slave unit. In FIG. 1, PHS
The slave unit 1 includes a radio unit 11, a modulation / demodulation unit 12, a channel codec unit 13, a control unit 16 including a memory 14 and a CPU 15, an audio processing unit 20, and the like.
And, it is wirelessly connected to a base station described later via the antenna AT. Here, a microphone 21 and a receiver 22 are connected to the audio processing unit 20. The CPU 15 is also connected to a display unit 17, an operation unit 18 such as a dial key, and a buzzer 19 that rings when a call is received. In addition, memory 1
4 is provided with two telephone directory sections 14A and 14B, and each telephone directory section 14A and 14B registers a dial number of a transmission destination and a name or a name of the transmission destination in a pair. The PHS slave 1 has a power supply unit 23 such as a battery, and when the switch SW is closed, the voltage V
Are supplied as operating power supply voltages to the above-described units.

FIG. 2 is a diagram showing the configuration of a system in which such a PHS slave 1 is accommodated. The PHS slave 1 is wirelessly connected to the base station 2 as described above. The base station 2 is connected to a switching network 3 via a telephone line La. Note that a center 4 and a wired telephone terminal 5 are connected to the switching network 3 via telephone lines Lb and Lc, respectively.

When the PHS handset 1 shown in FIG. 1 is within the area of the base station 2 and the user operates the operation unit 18 to dial the other party's number, the CPU 15 detects this calling operation and transmits the operation information. It is sent to the channel codec unit 13. Then, the operation information is modulated by the modem unit 12 and transmitted to the base station 2 via the radio unit 11 and the antenna AT. When the base station 2 receives the transmission operation information of the PHS slave 1, it sends it to the switching network 3 via the line La. When the switching network 3 receives the calling operation information, if the other party number indicated in the operation information is, for example, the telephone terminal 5, it calls the telephone terminal 5 via the line Lc. When the telephone terminal 5 answers the call, the telephone terminal 5, the line Lc, the switching network 3, the line La, the base station 2, the antenna of the base station, the antenna AT of the PHS slave 1, the radio unit 11, the modem unit 12, By using the microphone 21 and the receiver 22 via the channel codec unit 13 and the audio processing unit 20, a call between the user of the PHS slave 1 and the user of the telephone terminal 5 is started.

[0008] When a telephone directory operation is performed on the operation unit 18 of the PHS handset 1, the other party number registered in the telephone directory unit of the memory 14 is read out by the CPU 15.
Similarly, by being provided to the channel codec unit 13, the corresponding party can be called.

[0009] Further, the user of the telephone terminal 5 has the PHS slave 1
When an outgoing call is made, the switching network 3 accepts the outgoing call via the line Lc and sends the P to the base station 2 via the line La.
An incoming call addressed to the HS slave 1 is notified. Then, the base station 2 gives incoming data to the PHS slave 1. The CPU 15 of the PHS slave 1 that has received the incoming data via the antenna AT, the radio unit 11, the modem unit 12, and the channel codec unit 13 causes the buzzer 19 to ring and make a call. In response to this call, the user of the PHS slave 1 operates the operation unit 1
When a response operation is performed using the terminal 8, a call is started between the user of the PHS slave 1 and the user of the telephone terminal 5.

By the way, in the case where the PHS slave 1 is used for a telephone call or the like, in the present invention, it is determined whether or not the PHS slave 1 can be used in accordance with the presence or absence of a predetermined operation when the power is turned on. Where PH
It is assumed that the owner of the S slave 1 presses the switch SW in FIG. 1 to close the contact and simultaneously presses a predetermined key of the operation unit 18 when using the PHS slave 1. Then, power is supplied from the power supply unit 23 to each unit such as the CPU 15, and C
The PU 15 starts. When activated, the CPU 15 detects whether or not a predetermined key of the operation unit 18 has been pressed, and if the predetermined key has been pressed, determines that the PHS slave 1 is used by its owner and starts processing. , The power supply unit 2
The processing operation is continuously performed until the power supply from Step 3 is stopped.

On the other hand, if the predetermined key of the operation unit 18 has not been depressed at the time of start-up when the power is turned on, the CPU 15 determines that the PHS slave 1 has been used by a person other than the original owner and performs the subsequent processing. No action is taken. For this reason,
For example, it is possible to prevent the stolen PHS slave 1 from being used improperly by a third party, thereby avoiding a huge call charge based on the unauthorized call. Further, it is possible to prevent the problem that the phone number registered in the telephone directory of the stolen PHS handset 1 is tampered with.

FIG. 3 is a flowchart showing the first embodiment of the present invention, showing the operation of the CPU 15 of the PHS slave 1. The operation of the first main part of the present invention will be described with reference to this flowchart. First, the short registration shown in FIG. When the predetermined key is pressed at the time of power-on and startup, the CPU 15 starts the processing operation as described above, and then proceeds to step S in FIG.
In step 1, when the owner performs a speed dial registration operation using the operation unit 18, the operation is detected to determine whether the current mode is the normal mode or the non-normal mode. The operated speed dial is registered in the book section. That is, if the normal mode is set at the time of the abbreviated dial registration operation and the determination in step S2 is "Y", the operated dial number and this dial Register the destination kana name having a number. If the mode is the non-normal mode at the time of the abbreviated dial registration operation and the determination in step S2 is "N", the operated dial number is stored in the telephone directory section 14B (that is, the non-normal area 14B) of the memory 14 in step S4. The destination kana name having this dial number is registered.

Here, whether the mode is the normal mode or the non-normal mode,
After the power is turned on and activated, the PHS slave 1 is selected by operating the operation unit 18 and inputting a password. The switching between the normal mode and the non-normal mode can be performed at predetermined time intervals. Further, the operation unit 1
It is also possible to switch the mode by the predetermined operation 8. According to the mode switched by any one of the mode switching methods, the speed dial is stored in the telephone directory 14.
A or registered in the telephone directory section 14B. Here, since the memory 14 is backed up by a battery (not shown), even when the switch SW is opened and power is not supplied from the power supply unit 23, the contents are retained, and thus the contents are registered in the telephone directory units 14A and 14B. Speed dials are stored.

FIG. 3B is a flowchart showing the operation of confirming and calling the speed dial registered in the telephone directory units 14A and 14B. When the switch SW and the predetermined key of the operation unit 18 are simultaneously pressed by the owner of the PHS slave 1, the CPU 15 is activated and starts processing as described above. Here, when the owner of the PHS slave 1 performs the shortening confirmation operation using the operation unit 18 in step S11, the CPU 1
5 detects this operation and determines in step S12 whether the current mode is the normal mode. For example, when the normal mode is selected by inputting the password, the corresponding dial number and the destination kana name are read from the telephone directory unit 14A and displayed on the display unit 17 in step S13. Subsequently, a shortened transmission operation is performed using the operation unit 18 in step S14.
Then, the dial number displayed on the display unit 17 is given to the channel codec unit 13 in step S15. As a result, the dial number is transmitted from the channel codec unit 13 to the base station 2 via the modulation / demodulation unit 12, the radio unit 11, and the antenna AT. The dial number transmitted to the base station 2 is output to the switching network 3, and the switching network 3 calls the other party corresponding to the dial number. Then, the outgoing call of the owner of the PHS slave 1 is performed in response to the response of the other party.

On the other hand, if a password different from the password in the normal mode has already been input during the abbreviated confirmation operation and the mode is the non-normal mode, the determination in step S12 is "N". The corresponding dial number and the destination kana name are read from the book section 14B and displayed on the display section 17. Subsequently, when an abbreviated transmission operation is performed using the operation unit 18 in step S17, the dial number displayed on the display unit 17 is given to the channel codec unit 13 in step S18. As a result, the dial number is transmitted from the channel codec unit 13 to the modem unit 1.
2. A non-ordinary abbreviated speed dial transmission process is performed to be transmitted to the base station 2 via the radio unit 11 and the antenna AT.

Next, FIG. 3C is a flowchart showing the incoming call operation of the PHS slave 1. When the switch SW and the predetermined key of the operation unit 18 are simultaneously pressed by the owner of the PHS slave 1, the CPU 15 is activated and starts processing as described above. Here, when an incoming call from the switching network 3 is received by the antenna AT of the PHS slave 1 via the base station 2 and further arrives at the radio unit 11, the modem unit 12 and the channel codec unit 13, the CPU 15 proceeds to step S21. This outside line incoming call is detected. Subsequently, the CPU 15 proceeds to step S
At 22, the caller ID included in the outside line call is received.

The CPU 15 having received the caller number determines in step S23 whether or not the current mode is the normal mode. For example, if the password for the normal mode has already been input and the answer is "Y" in step S23, It is determined in step S24 whether the received caller number matches the dial number in the telephone directory 14A. When the two dial numbers match, the matched dial number and the destination kana name corresponding to the dial number are read from the telephone directory section 14A in step S25 and displayed on the display section 17, and the buzzer 19 is driven to ring the incoming call. Let it. Thereby, the owner of the PHS slave 1 can easily recognize from whom the call was received. In addition, the caller number received at the time of the incoming call is not registered in the telephone directory unit 14A, and the process proceeds to step S24.
Is "N", the received telephone number (that is, the caller number received at the time of the incoming call) is displayed on the display unit 17 in step S26.
And the buzzer 19 is driven to ring the incoming call.

On the other hand, if the password for the non-normal mode has already been input at the time of incoming call from the outside line and the determination in step S23 is "N", whether the received caller number matches the dial number in the telephone directory section 14B. It is determined in step S27 whether or not it is not. When the two dial numbers match, the matched dial number and the destination kana name corresponding to the dial number are read from the telephone directory section 14B in step S28 and displayed on the display section 17, and the buzzer 19 is driven to ring the incoming call. Let it. If the caller number received at the time of the incoming call is not registered in the telephone directory section 14B and the determination in step S27 is "N", the received telephone number is displayed on the display section 17 and the buzzer 19 is driven in step S29. And ring the incoming call.

As described above, the abbreviated dial is registered in the telephone directory section 14A or 14B depending on whether the mode is the normal mode or the non-normal mode, and a call can be made. If a caller ID is received at the time of an incoming call, the registered dial number of the telephone directory unit 14A or 14B is compared with the received caller ID according to whether the mode is the normal mode or the non-normal mode. Then, the matching dial number and the corresponding destination kana name are read from the corresponding telephone directory section and displayed on the display section 17. Therefore, if the owner of the PHS slave device 1 registers a private speed dial in the telephone directory 14A and a business speed dial in the telephone directory 14B,
The PHS handset 1 can be used separately for private use and business use. Also, if each of the speed dials of the telephone directory units 14A and 14B is used separately for the couple, one PHS slave can be used jointly by the couple.

FIG. 4 is a flow chart showing a second embodiment of the present invention. P according to this flowchart
The second operation of the HS slave 1 will be described. FIG. 4 (a)
Is the telephone directory unit 1 in the speed dial registration process of FIG.
It is a flowchart which shows the confirmation and transmission operation | movement of the speed dial registered into 4A, 14B. When the switch SW and the predetermined key of the operation unit 18 are simultaneously pressed by the owner of the PHS slave 1, the CPU 15 is activated and starts processing as described above. Here, when the owner performs an abbreviated dialing operation using the operation unit 18, the CPU 15 proceeds to step S
31 is determined to be "Y".

In this case, the CPU 15 determines whether or not the current mode is the normal mode in step S32. here,
If a password for normal mode has already been entered, step S
If the determination at 32 is "Y", the corresponding dial number and the corresponding destination kana name are read from the telephone directory unit 14A and displayed on the display unit 17 and the corresponding dial number is given to the channel codec unit 13 at step S33. As a result, the dialed number is stored in the channel codec unit 1
A normal abbreviated dial transmission process is performed from 3 to the base station 2 via the modem unit 12, the radio unit 11, and the antenna AT.

On the other hand, when the speed dial operation is detected, if the password for the non-normal mode is already input and the current mode is the non-normal mode, step S3 is executed.
The determination of 2 is “N”. In this case, the telephone directory section 14B
The corresponding dial number and the corresponding destination kana name are read out from the display unit 17 and displayed on the display unit 17, but the corresponding dial number is specified and registered in advance in the telephone directory unit 14B corresponding to the corresponding dial number. If so,
The display unit 17 does not display the corresponding dial number and the corresponding destination kana name.

In the case of such a special transmission destination, it is determined that "transmission permission?"
At 35, the call is transmitted to the center 4 shown in FIG. Then, the center 4 having the answering machine function is made to perform an answering machine operation, and the message on the calling side (the PHS handset 1 side) is recorded. In this case, the CPU 15 can also operate so that the recording unit (not shown) of the PHS slave 1 records the caller's business.

That is, when one PHS cordless handset 1 is used jointly by two owners A and B, the owner A enters his / her personal identification number and uses the telephone directory unit 14A to possess Person B enters his / her PIN and uses telephone directory 14B,
When the owner A performs the shortened transmission of the special transmission destination in the telephone directory unit 14B of the owner B, the operation is different from the normal operation so that the owner A does not know the private special transmission destination of the owner B. Operation, that is, transmission to the center 4 or P
In this case, a message is recorded on the HS slave unit 1, and the privacy of the owner B is protected. As described above, when the owner B uses the PHS cordless handset 1, for example, inputs his / her personal identification number and switches the mode, as described above, each speed dial of the telephone directory unit 14B in which the special call destination is registered is owned. The caller B can make a call in the normal mode. At this time, the owner B accesses each speed dial of the telephone directory unit 14A in the non-normal mode.

When the owner A tries to make a speed dial of the telephone directory unit 14B in the non-normal mode, the speed dial number is not the special call destination but the step S.
If the determination of "Call permission?" Of 34 is "Y", the corresponding dial number and the corresponding destination kana name are read out from the telephone directory section 14B in the non-normal mode in step S36 and displayed on the display section 17.
, And sends the corresponding dial number to the channel codec unit 13 to make an abbreviated speed dial transmission.

Note that, when the owner A makes an abbreviated transmission, all the abbreviated dialing of the telephone directory 14B of the owner B registered in the non-normal mode is prohibited, and the transmission to the center 4 or the PHS child is prohibited. The message recording may be performed on the recording unit of the machine 1. When a number other than the same number as the speed dial number of the telephone directory unit 14A registered in the normal mode is registered in the non-normal mode telephone directory unit 14B (a telephone directory unit dedicated to the owner B), these numbers are used. Prohibits the transmission of speed dials for the numbers of
It is also possible to cause the recording unit of the S slave unit 1 to record a message.

When no password is entered when the power is turned on to the PHS slave 1 by pressing the switch SW, the transmission of all abbreviated numbers in the telephone directory is prohibited and all dial numbers based on the operation of the operation unit 18 are prohibited. Is prohibited, unauthorized use of the PHS slave 1 by a third party can be prevented. Therefore, in this case, the PHS slave 1
Does not need to press a predetermined key of the operation unit 18 at the same time as turning on the power by pressing the switch SW. After turning on the power by pressing the switch SW, the user operates the operation unit 18 and inputs his / her personal identification number. Then, an outgoing call based on abbreviated calling in the telephone directory and an outgoing call based on a normal dial operation can be performed. When the PHS cordless handset 1 is powered on by pressing the switch SW, if a speed dialing operation or a normal dialing operation of the telephone directory is performed without inputting a password, a call is sent to the center 4 and The center 4 performs the above-described answering machine operation, and stores in the memory (not shown) of the center 4 and a predetermined area of the memory 14 of the PHS slave 1 that there is a call from the PHS slave 1. Also, in this case, the CPU 15 causes the PHS slave 1 to record the message of the caller, and at this time also stores the fact of the call of the PHS slave 1 in a predetermined area of the memory 14. With this configuration, when a third party misuses the PHS slave 1, the owner of the PHS slave 1 can use the center 4 or the PHS
It is possible to recognize from the contents stored in the child device 1 that this PHS child device 1 has been illegally used by someone.

FIG. 4B is a flowchart showing the operation of the PHS slave 1 when an outside line arrives. When the switch SW and the predetermined key of the operation unit 18 are simultaneously pressed by the owner of the PHS slave 1, the CPU 15 is activated and starts processing as described above. Here, when an incoming call from the switching network 3 is received by the antenna AT of the PHS slave 1 via the base station 2 and further arrives at the radio unit 11, the modem unit 12 and the channel codec unit 13, the CPU 15 determines this in step S41. Detects incoming call from outside line. Subsequently, in step S42, the CPU 15 receives the caller number included in the incoming call from the outside line.

The CPU 15 having received the caller number determines in step S43 whether or not the current mode is the normal mode. In the case of the normal mode, the received caller number matches the dial number in the telephone directory section 14A. Step S
Judge at 44. If the two dial numbers match, the matched dial number and the destination kana name corresponding to the dial number are read from the telephone directory section 14A and displayed on the display section 17 in step S45, and the buzzer 19 is driven to ring the incoming call. Let it. Thereby, the owner of the PHS slave 1 can easily recognize from whom the call was received. When the caller number received at the time of the incoming call is not registered in the telephone directory section 14A and the determination in step S44 is "N", the received telephone number is displayed on the display section 17 and the buzzer 19 is driven in step S46. And ring the incoming call.

On the other hand, in the case of the non-normal mode when receiving an outside line, it is determined in step S47 whether or not the received caller number matches the dial number in the telephone directory 14B. If the two dial numbers match, if the matching number is a number other than the special call destination, the matched dial number and the destination kana name corresponding to this dial number are read out from the telephone directory section 14B in step S48 and displayed. Part 1
7 and the buzzer 19 is driven to ring the incoming call.
Also, the case where the caller number received at the time of the incoming call is not registered in the telephone directory unit 14B and the determination in step S47 is “N”, and the case where the received caller number matches the special transmission destination of the telephone directory unit 14B Rejects this incoming call in step S49. In this case, the CPU 15 does not perform ringing of the buzzer 19 as well as display on the display unit 17 and does not accept a ringing response operation during this period.

As described above, when the current mode is the normal mode when an outside line is received, it is determined whether the received caller number matches the number in the telephone directory, and if the numbers match, the number in the telephone directory is determined. And the corresponding destination kana name are displayed, and when the numbers do not match, the receiving caller number is displayed. Also, if the current mode is non-normal mode when receiving an outside line, it is determined whether the received caller number matches the number in the phonebook, and both numbers match and the matched numbers are other than the special call destination. In the case of, the number in the telephone directory section and the corresponding destination kana name are displayed, but when both numbers do not match or the received caller number is a special transmission destination, the incoming call is rejected. In addition,
In the present embodiment, the example of the PHS slave has been described, but the same effect can be obtained with a mobile phone.

[0032]

As described above, according to the present invention, when a predetermined operation is detected, a plurality of transmission destination data in the memory are sequentially switched and the switched transmission destination data can be used. It is possible to prevent unauthorized use by a third party other than the owner, and it is possible to switch and use each transmission destination data registered as a telephone directory in one portable terminal by a plurality of owners. Also, when the caller information received at the time of the incoming call matches the currently available outgoing destination data of the switched memory, the matched outgoing destination data is displayed. You can easily recognize the caller. The portable terminal further includes a switching unit that switches a mode when a predetermined operation is detected, and performs a normal operation when the mode switched by the switching unit is a first mode indicating a use mode of the owner of the portable terminal. In the case where the mode is the second mode indicating a use mode other than the owner, an operation different from the normal operation is performed, so that unauthorized use by a third party other than the owner of the portable terminal can be similarly prevented. In addition, when one mobile terminal is used by a plurality of owners, for example, when the owner A accesses the transmission destination of the owner B, an operation different from a normal operation is performed. Can be protected. Further, when the transmission destination data stored in the memory in the first mode is accessed in the second mode, the transmission is performed to a predetermined destination different from the transmission destination, and the transmission is performed in a predetermined area of the memory of the predetermined destination. Since the fact that the mobile terminal has made a call is stored, the owner of the mobile terminal can easily identify that his or her mobile terminal has been illegally used by a third party.

[Brief description of the drawings]

FIG. 1 is a block diagram showing a configuration of a portable terminal device according to the present invention.

FIG. 2 is a block diagram of a system to which the mobile terminal device is applied.

FIG. 3 is a flowchart illustrating a first operation of the portable terminal device.

FIG. 4 is a flowchart showing a second operation of the portable terminal device.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 ... PHS slave unit, 2 ... Base station, 3 ... Switching network, 4 ... Center, 5 ... Telephone terminal, 11 ... Radio | wireless part, 12 ... Modulation / demodulation part, 1
3 ... channel codec unit, 14 ... memory, 14A,
14B: telephone directory section, 15: CPU, 17: display section, 18
... Operation unit, 19 buzzer, 20 audio processor, 21 microphone, 22 receiver, 23 power supply unit, AT antenna, SW switch, La, Lb, Lc line (telephone line).

──────────────────────────────────────────────────続 き Continued on the front page (51) Int.Cl. ⁷ Identification code FI Theme coat ゛ (Reference) H04B 7/26 109R F-term (Reference) 5K027 AA11 BB09 CC08 FF22 FF27 GG03 HH14 HH24 MM04 5K036 AA07 BB18 CC02 DD01 DD11 DD46 EE01 HH01 JJ04 JJ13 JJ15 5K067 AA32 BB04 BB08 DD13 EE02 EE10 FF07 FF23 HH12 HH13 HH22 HH23 HH24 KK15

Claims (4)

[Claims] 1. A portable terminal device connected to a telephone line via a base station and storing a plurality of transmission destination data in a memory, wherein a detecting means for detecting a predetermined operation; Switching means for sequentially switching a plurality of outgoing destination data in the memory and making the switched outgoing destination data available. 2. The display unit according to claim 1, wherein, when the display unit, the caller information received at the time of the incoming call matches the call destination data switched by the switching unit and currently available, the matched call destination data is displayed. Means for displaying on the display unit. 3. A portable terminal device connected to a telephone line via a base station and storing data of a plurality of transmission destinations in a memory, wherein a detecting means for detecting a predetermined operation, and the detecting means detecting the predetermined operation Then, a switching means for switching the mode, and when the mode switched by the switching means is the first mode indicating the use mode of the owner of the portable terminal device, a normal operation is performed, while the mode is changed to the owner mode. And a control unit that performs an operation different from the normal operation in the case of a second mode indicating a use mode other than the above. 4. The transmission destination according to claim 3, wherein the control unit is different from the transmission destination when the transmission destination data stored in the memory in the first mode is accessed in the second mode. A mobile terminal device for transmitting a call to a predetermined destination, and storing a call of the mobile terminal device in a predetermined area of a memory of the predetermined destination.