JP2008042528A - Portable terminal remotely controlled, and method for setting function of the same - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To flexibly perform an operation by allowing the operation to be reliably performed from a remote place and expanding the range of functions for remote control. <P>SOLUTION: A portable terminal determines whether or not a reception sub-address is added in the case of incoming (step S502), detects a number A being the number of digits of a password set by a user, based on the reception sub-address (step S505) when a remote operation function is valid (step S503), detects a number B being the password and a number C for designating processing to be operated (step S507) when the number A is determined to be appropriate (step S506), performs authentication based on the number B (step S508), confirms whether or not a numerical value coincident with the number C exists in a function correspondence table when the authentication is successfully performed (step S511), and performs processing corresponding to the number C when the number coincident with the number C exists in the function correspondence table (step S512). <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

  The present invention relates to a portable terminal that can be controlled from a remote place and a function setting method of the portable terminal.

  Mobile terminals such as mobile phones have become widespread and are entering the age of one by one. Reflecting user needs, mobile terminals such as mobile phones have been improved in functionality and performance. Since mobile phones are starting to be used not only as communication means but also as information terminal devices such as personal computers, an increasing number of users store important data in mobile phones.

  Since the mobile phone is very compact and is always carried around, there is a problem that it is often lost due to misplacement or theft. For this reason, security measures are important when a mobile phone is lost.

  Conventional mobile phones are provided with various lock functions from the viewpoint of data protection. The lock function can be a countermeasure against theft or the like, but the user needs to release the lock every time the mobile phone is locked. Therefore, few users actually use the lock function. Then, when the mobile phone is lost due to theft or the like, it is highly likely that the lock function is in an invalid state, and the security measures are not effectively functioning effectively.

  Some mobile phones can be locked by remote control. There is a mobile phone that is remotely operated based on the number of incoming calls. However, if the remote operation is performed based on the number of incoming calls, the mobile phone may be locked when the user does not intend. Furthermore, when the remote operation is performed according to the number of incoming calls, for example, when a third party is using a lost mobile phone, there is a problem that the user cannot remotely operate from another information terminal.

  Some communication devices are remotely operated by a method other than the method based on the number of incoming calls (see Patent Documents 1 and 2). For example, the mobile radio communication terminal device described in Patent Document 1 is remotely operated using a subaddress included in a call signal. The mobile radio communication terminal device is locked by a lock command before a call is started.

JP 2001-16324 A (paragraphs 0015-0018, FIGS. 1 and 2) Japanese Unexamined Patent Publication No. 11-69447 (paragraphs 0046-0047, FIG. 8)

  However, as described in Patent Document 2 (see paragraph 0005 of Cited Document 2), if it is configured to be remotely operated using a subaddress, a control code accidentally enters the subaddress. In some cases, the user's own communication terminal device may be locked when the user does not intend. Further, since the remote operation is limited to the lock function, the remote operation desired by the user cannot be executed.

  Therefore, the present invention enables a mobile phone that can be operated remotely from a remote location and that can be operated remotely by giving a wide range of functions to be remotely operated and enabling flexible operation. It is an object to provide a function setting method for a terminal and a portable terminal.

  The portable terminal capable of being remotely operated according to the present invention is remotely operated from another terminal device by a destination subaddress including an operation designation code (for example, number C) and an authentication code (for example, number B). An authentication code and an operation designation code are detected from a function correspondence table in which an operation designation code and function data indicating an operation are associated with each other and a received sub-address. Called subaddress detection means, authentication means for executing authentication using the authentication code detected by the callee subaddress detection means, and corresponding to the operation designation code detected by the callee subaddress detection means when the authentication means succeeds in authentication. Function designation data selection means for selecting function data from the function correspondence table; and function data selected by the function designation data selection means. Characterized by comprising an operation execution means for executing an operation in accordance with the data.

  You may provide the input means for inputting data, and the registration means which registers the operation designation code input into the input means into a function corresponding table.

  A portable terminal that can be remotely operated from another terminal device by a destination subaddress including an authentication code having a password (for example, number B) and data indicating the number of digits of the password (for example, number A). The authentication means does not perform authentication when the number of digits of the received destination subaddress is equal to or less than the sum of the number indicated by the data indicating the number of digits of the password and the number of digits of the data, and receives the received destination subaddress. If the number of digits exceeds the sum of the number indicated by the data indicating the number of digits in the password and the number of digits in the data, authentication is performed using the password included in the destination subaddress. May be. According to such a configuration, the validity of the password included in the destination subaddress can be verified before the authentication is performed using the password included in the destination subaddress.

  And a special incoming call means execution means that is activated when the authentication means does not execute authentication and when the authentication means fails to authenticate using a password, and the special incoming call means execution means receives the incoming subaddress. Information indicating this may be recorded in the incoming call history.

  The special incoming call means execution means preferably prohibits the processing of the function designation data selection means when the cumulative number of activations reaches a predetermined number.

  A function setting method for a portable terminal according to the present invention is a function setting method for a portable terminal that is remotely operated from another terminal device by a destination subaddress including an operation designation code and an authentication code. Is stored in association with the received data, the authentication code and the operation designation code are detected from the received destination subaddress, and authentication is executed using the detected authentication code. The function data corresponding to the operation designation code included in the subaddress is selected, and an operation corresponding to the selected function data is executed.

  When a destination subaddress including an operation designation code indicating terminal lock is received during communication, it is preferable to perform an operation according to the function data after terminating the communication.

  According to the present invention, even when the mobile terminal is not at hand due to theft or loss, the user can perform a remote operation such as locking the device. In particular, when the authentication is executed using the authentication code included in the destination subaddress and the authentication is successful, the function data corresponding to the operation designation code included in the destination subaddress is selected from the function correspondence table. It is prevented from being remotely operated accidentally or based on the intention of a third party. That is, it is possible to prevent a malfunction due to a remote operation malfunction. Further, since the remote operation is performed using the destination subaddress, the remote operation is possible even during communication with another person.

Embodiment 1 FIG.
Hereinafter, embodiments of the present invention will be described with reference to the drawings. FIG. 1 is a block diagram showing a first embodiment of a portable terminal according to the present invention. In this embodiment, a mobile phone is taken as an example of the mobile terminal. The mobile terminal is not limited to a mobile phone (hereinafter referred to as a mobile terminal), but may be, for example, a PHS (Personal Handyphone System) terminal or a PDA (Personal Digital Assistants) terminal.

  As shown in FIG. 1, the portable terminal includes a CPU 101 that controls each unit included in the apparatus, a flash ROM 102 that stores a control program, an application, and the like, a RAM 103 that serves as a work area, a baseband unit 41, and an RF A radio unit 104 having a unit 42 and communicating with a radio station such as a base station, for example, a display unit 105 by an LCD (Liquid Crystal Display), and a key for inputting a telephone number, etc. A user operation unit 106 that outputs an input signal corresponding to a user operation to the CPU 101 is included.

  The flash ROM 102 stores various data such as a remote operation password and a function correspondence table used in the present embodiment.

  The baseband unit 41 performs a process of demodulating the radio wave received by the RF unit 42. The baseband unit 41 also performs a process of modulating a signal output from the CPU 101 and transmitting a radio signal via the RF unit 42.

  The display unit 105 displays a setting state, a notification to the user, and the like. For example, a function setting screen for setting a password or the like is displayed. The user operation unit 106 is used as information input means when the user sets a password or the like.

  FIG. 2 is a system configuration diagram showing a remote operation system including the mobile terminal according to the present embodiment. The information communication system shown in FIG. 2 includes a mobile terminal 201, and a mobile terminal 202 and a terminal 203 that can remotely control the mobile terminal 201 via a network 204 that can notify a destination subaddress. The terminal 203 is connected to, for example, an ISDN (Integrated Services Digital Network) line. By receiving an incoming call from the mobile terminal 202 or the terminal 203 that can specify the destination subaddress, the mobile terminal 201 performs the specified operation.

  The subaddress is an auxiliary number added after the telephone number to be transmitted, and is mainly used in ISDN. For example, in ISDN, a terminal side can connect a plurality of devices by a bus connection rather than a DSU (Digital Service Unit: Subscriber Line Termination Unit). A specific one can be designated from among the above. Although the subaddress is mainly used when performing extension connection or the like, in the present invention, the user executes the remote operation of the portable terminal 201 using the subaddress.

  Next, the operation of the mobile terminal in the present embodiment will be described with reference to the drawings. A password for remote operation is set in the flash ROM 102 by the user. Further, the flash ROM 102 has a function corresponding to a combination of function data indicating a remotely operated function (for example, a function for locking the operation of the portable terminal 201) and an arbitrary numerical value (corresponding to a number C described later) A table is created. Locking the operation means that even if an input key provided on the mobile terminal 201 is operated, the CPU mounted on the mobile terminal 201 does not accept the operation. Hereinafter, locking the operation of the mobile terminal 201 is referred to as a terminal lock, the locked state is referred to as a terminal lock state, and the function for locking the operation of the mobile terminal 201 may be referred to as a lock function.

The number of digits of the password to be set (hereinafter referred to as a personal identification number) is “number A”, and the personal identification number is “number B”. For example, when the number B is “12345678”, the number A is “8”. Further, the number of digits A _n numbers A itself is arbitrarily set by the user. However, the number of digits _An is a numerical value of 17 or less, as will be described later. For example, the number A is expressed as “08” (A _n = 2), “008” (A _n = 3).

In the function correspondence table, an arbitrary numerical value for designating a remotely operated function is “number C”, and the number of digits of the newly set number C is X _temp . Then, among all the numbers C existing in the function correspondence table, the largest number of digits is set to _Xmax .

  FIG. 3 is a flowchart showing a method for setting a password. The user inputs a numerical value from the user operation unit 106 and sets the number B (step S301, step S303). The CPU 101 automatically calculates the number A (step S304). If the password is not set by the user, the password set by default in the portable terminal 201 is used (step S302).

Next, the CPU 101 confirms the validity of the number A. Considering the restriction on the sub-address length, it is necessary to set the numbers B and C so that the number of characters of the numbers A, B, and C is 19 digits or less. In addition, since the number of digits of the number A is _An digits, and the numbers B and C each need at least one digit, the maximum digits of the numbers B and C are each 18- _An , and _An The maximum number of digits is 17.

Digits combining the numbers B and number C from becoming a maximum _{19-A n,} CPU 101 performs the determination of numbers _{A + X max ≦ 19-A} n ( step S306). The reason why the number A ≦ 18− _An is determined immediately before step S306 is because it is necessary to consider the case where the number C is not set, that is, the case where X _max = 0 (step S305). ).

  If NO in step S305 or step S306, the CPU 101 notifies the display unit 105 to that effect and notifies the user to reset the number B (step S307). If Yes in step S306, the CPU 101 records number A and number B in the flash ROM 102 (step S308).

  Next, creation of the function correspondence table will be described. FIG. 4 is a flowchart showing a function correspondence table creation method. First, a number C is set by a user operation (step S401). That is, the user inputs an arbitrary number C from the user operation unit 106.

When the number C is input from the user operation unit 106, the CPU 101 calculates the number of digits X _temp of the number C (step S404) and compares X _temp with X _max (step S405). When X _temp is greater than X _max , the CPU 101 sets the value of X _temp as a new X _max (step S406). Also in this case, the CPU 101 confirms the validity of the number of digits of the number C as in the case of setting the personal identification number (step S407). If there is no problem with the validity of the number of digits of the number C, the CPU 101 adds the number C to the function correspondence table stored in the flash ROM 102 (step S409). If the number C does not satisfy the digit number condition, the CPU 101 notifies the display unit 105 to that effect and notifies the user to reset the number C (step S408). If X _temp ≦ X _max (that is, No in step S405), the validity of the number of digits of the number C newly set by the user is guaranteed, so the CPU 101 immediately sets the number in the function correspondence table. C is added (step S405, step S409).

  When the number C newly input by the user already exists in the function correspondence table, the CPU 101 displays a display asking the user whether to replace the number C (that is, whether to perform overwriting). 105. When the user selects not to perform the replacement with the number C, the CPU 101 causes the display unit 105 to display the request for resetting the number C (steps S402, S403, and S408).

  In addition, since it is assumed that the user often performs remote operation when the portable terminal 201 is lost, it is preferable that various lock functions are set in the function correspondence table by default. Further, in the portable terminal 201 of the present embodiment, the length of the personal identification number (number B) and the number of digits of the number of the remotely operated function (number C) are set to be variable lengths, so that the malicious third Make it harder for people to hack.

  Further, the number C registered in the function correspondence table may be associated with data (function data) indicating an actual function (specifically, an operation content for realizing a lock function or the like) in advance. Then, in response to a user operation, the number C and the function data indicating the function may be registered in the function correspondence table.

  Next, an operation when the portable terminal 201 is remotely operated will be described. FIG. 5 is a flowchart showing the operation of the mobile terminal 201 that is remotely operated. FIG. 6 is a flowchart showing the special incoming call process in FIG. The special incoming call process is a process including a process of displaying that the incoming call sub address has been added to the incoming call history of the portable terminal 201. When the portable terminal 201 is remotely operated, first, a number is entered from the portable terminal 202 or the terminal 203 in the following order to make a call.

  “Number D” + (destination subaddress identifier) + “number A” + “number B” + “number C”

Here, “number D” is the telephone number of the portable terminal 201, and “destination subaddress identifier” is a delimited character string that separates the telephone number and the destination subaddress. An example of each number and the calling number corresponding to each number is shown below.
Called subaddress identifier: *
Number A: 08 (when A _n = 2 is set)
Number B: 12345678
Number C: 368
Number D: 090224446688
Calling number: 090224446688 * 08123345678368

  When receiving an incoming call (step S501), the CPU 101 first checks whether a destination subaddress is added (step S502). If the destination subaddress is not added, normal incoming call processing is performed (step S515).

  If the destination subaddress is added, the CPU 101 checks whether or not the remote operation function is enabled (step S503). When the remote operation function is enabled (when the remote operation function is ON), the calling number is confirmed (step S504). If the calling number cannot be specified, the CPU 101 determines that this incoming call is not an incoming call requesting remote operation, and executes special incoming call processing (step S514).

Next, the special incoming call processing will be described with reference to FIG. The CPU 101 executes special incoming call processing when the calling number cannot be confirmed. In the special incoming call process, the CPU 101 first counts the number N of times the process has shifted to the special incoming call process (step S602). Then, the CPU 101 turns off the remote operation function of the portable terminal 201 when the number N of transitions to the special incoming call processing reaches a certain number N _user (steps S603 and S604). After disconnecting the line, the CPU 101 notifies the user of a warning through the display unit 105 (step S605). Note that N _user can be arbitrarily set by a user operation.

  Then, the CPU 101 records in the incoming call history that the incoming sub address has been added to the outgoing call signal (step S606). In the incoming call history, information (for example, a predetermined mark) that allows the user to know that the incoming subaddress has been added to the call signal is recorded. The special incoming call processing count N is reset when the remote control function is turned on again.

  The CPU 101 executes special incoming call processing for all incoming calls when the remote control function is OFF (step S503). Therefore, even when the numbers A, B, and C included in the destination subaddress are all valid values, the operation based on the number C is not started. That is, the process of selecting the function data indicating the remotely operated function corresponding to the number C included in the received destination subaddress from the function correspondence table is prohibited.

Upon identifying the calling number in step S504, CPU 101 detects the number A, and digits Length _sub of subaddress included in the beginning _{A n} digit subaddress (step S505). Then, the CPU 101 determines whether or not the length _sub is (number A + A _n ) or less (step S506). When the length _sub is (number A + A _n ) or less, the number C does not exist. Therefore, the CPU 101 determines that the received call signal is not a remote operation, and executes special incoming call processing (step S514).

After confirming number A in step S506, the CPU 101 detects number B and number C from the destination subaddress (step S507). When the length _sub is _{equal to} or greater than (number A + A _n +1), the CPU 101 detects the number of digits of the number A as the number B from the (A _n +1) digit from the top of the destination subaddress, and the remaining second half as the number C. To detect.

  Then, the CPU 101 executes an authentication process with the number B (step S508). If there is no problem in the authentication process (step S509), the CPU 101 compares the number C detected from the destination subaddress with the value recorded in the function correspondence table (step S510). When the value corresponding to the number C exists in the function correspondence table, the CPU 101 selects data indicating the function to be remotely operated associated with the value, and executes an operation according to the selected data (step S511). Step S512). If authentication by number B fails, or if a numerical value corresponding to number C does not exist in the function correspondence table, the CPU 101 executes special incoming call processing (step S514).

  When the remote operation is executed, the CPU 101 sends a talkie notifying the caller that the remote operation has been executed, and disconnects the line (step S513).

  In addition, as described above, in this embodiment, since the remote operation uses the destination subaddress included in the outgoing call signal, even if the second call or the third call is received by call waiting (registered trademark) or the like, Available. Furthermore, if the priority of the remote operation is made higher than the operation from the mobile terminal 201, the user can execute the terminal lock by the remote operation by the incoming second call even during the call of the mobile terminal 201. The mobile terminal 201 quickly disconnects the line, and then shifts to the terminal lock state. That is, when receiving a destination subaddress including operation designation data indicating terminal lock during communication, the CPU 101 executes an operation according to the function data after terminating the communication. Note that it is preferable that the mobile terminal 201 is configured not to perform screen transition, ringing of a ringtone, or the like from the confirmation of the destination subaddress to the line disconnection after the remote operation is performed. With such a configuration, even if the mobile terminal 201 is used by a third party, the user can recognize the mobile terminal 201 without being noticed by the third party by remote operation using the second call signal. Can be shifted to the terminal lock state.

  As described above, in the present embodiment, since the remote operation is performed using the called subaddress included in the call signal, even if the lost mobile terminal is used by a third party, the user Can perform remote operations such as terminal lock. In addition, since the remote operation function of the portable terminal can be always enabled, a complicated operation is unnecessary for the user.

  In other words, the remote operation function is always enabled, and functions such as terminal lock processing are registered as functions to be remotely operated, so that the mobile terminal is lost without the user being aware of it during normal use. Even in this case, the information of the mobile terminal can be secured safely.

Embodiment 2. FIG.
Hereinafter, a second embodiment of the present invention will be described with reference to the drawings. The mobile terminal of the present embodiment has the same components as the mobile terminal 201 of the first embodiment shown in FIG. In the first embodiment, the mobile terminal 201 disconnects the line after being remotely operated (step S513). However, in this embodiment, the line is not disconnected even after being remotely operated. In the present embodiment, the portable terminal 201 executes incoming call response processing by remote operation. Then, the user monitors the data acquired by the mobile terminal 201 with the mobile terminal 202 or the terminal 203.

  FIG. 7 is a flowchart showing processing of a remote operation system including the mobile terminal according to the present embodiment. First, the user sets an incoming call response process in the function correspondence table as a process executed by the portable terminal 201 by remote operation (see FIG. 4). When the incoming call response process is executed by remote operation, the portable terminal 201 does not perform the disconnection process after the operation is executed.

  When a videophone call is made from portable terminal 202 or terminal 203 (step S701), CPU 101 analyzes the incoming subaddress and executes an incoming call response process (step S702). Since the mobile terminal 201 and the mobile terminal 202 or the terminal 203 are call-connected, the user can monitor the data acquired by the remote mobile terminal 201 with the mobile terminal 202 or the terminal 203 (step S703). That is, for example, the user can check data captured by the imaging unit of the mobile terminal 201 at another location. Note that the above-described monitor by remote operation is not limited to videophone calls, but may be voice calls or the like.

  The line disconnection is executed on the portable terminal 202 side or the terminal 203 side (step S704). The mobile terminal 201 does not perform screen transition, ringing of a ringing tone, or the like from the confirmation of the destination subaddress until the line is disconnected after executing processing by remote control.

  As described above, if the incoming call response process is set in the function correspondence table as a function to be remotely operated, the user can use the imaging means provided in the mobile terminal 201 to record the data captured by the mobile terminal 201. Can be monitored remotely.

Embodiment 3 FIG.
Hereinafter, a third embodiment of the present invention will be described with reference to the drawings. In the present embodiment, the mobile terminal 201 executes a callback process. For example, the mobile terminal 201 performs call processing on the mobile terminal 202 or the terminal 203 after disconnecting the line. Note that the mobile terminal of the present embodiment has the same components as the mobile terminal 201 of the first embodiment shown in FIG.

  In the present embodiment, the user executes a remote operation and acquires the position information of the mobile terminal 201. First, the user sets a callback process in the function correspondence table as a remote operation of the portable terminal 201 (see FIG. 4). In that case, the ID of the radio base station having a high electric field strength is set to respond to the mobile terminal 201 with the destination subaddress. Alternatively, the measurement result of the current location by GPS is set to respond with the arrival subaddress.

  The ID of the radio base station is unique information (unique number) that the radio base station has. In general, when a mobile communication terminal belongs to a radio base station, the mobile communication terminal acquires the ID of the radio base station. That is, if the ID of the radio base station is acquired, the radio base station to which the mobile communication terminal belongs is determined, so that the current position of the lost mobile communication terminal can be estimated.

  FIG. 8 is a flowchart showing processing of the remote control system including the mobile terminal according to the present embodiment. First, a call signal is transmitted from the mobile terminal 202 or the terminal 203 to the mobile terminal 201 as a destination (step S801). When there is an incoming call, the CPU 101 analyzes the destination subaddress. The CPU 101 recognizes that the remote operation is a callback operation (step S802) and disconnects the line (step S803).

  After disconnecting the line (step S803), the CPU 101 acquires the ID of the wireless base station or the current location information of the GPS (step S804). Then, the CPU 101 places the information acquired in step S804 on the destination subaddress and calls back to the portable terminal 202 or the terminal 203 (step S805). The ID of the wireless base station included in the destination subaddress received by the mobile terminal 202 or the terminal 203 is analyzed, and the current position of the mobile terminal 201 is estimated (step S806).

  As described above, in the present embodiment, using the GPS function or the like provided in the mobile terminal 201, the user can call back the location information of the current location by remote operation. The user can grasp the position information even when the mobile terminal 201 is lost.

  The present invention is applicable to a remote operation system in which a mobile terminal is operated from a remote place. In particular, it is suitably applied to a portable terminal.

It is a block diagram which shows 1st Embodiment of a portable terminal. It is a system configuration figure showing a remote control system including a portable terminal. It is a flowchart which shows the setting method of a PIN code. It is a flowchart which shows the production method of a function corresponding table. It is a flowchart which shows operation | movement of the portable terminal operated remotely. It is a flowchart which shows special incoming call processing. It is a flowchart which shows the process of the remote control system containing the portable terminal of 2nd Embodiment. It is a flowchart which shows the process of the remote control system containing the portable terminal of 3rd Embodiment.

Explanation of symbols

41 Baseband part 42 RF part 101 CPU
102 flash ROM
103 RAM
104 wireless unit 105 display unit 106 user operation unit 201, 202 portable terminal 203 terminal 204 network

Claims (7)

A portable terminal that can be remotely operated from another terminal device by a destination subaddress including an operation specification code for specifying an operation content and an authentication code;
A function correspondence table in which an operation designation code and function data indicating an operation are associated with each other;
A called subaddress detecting means for detecting an authentication code and an operation designation code from the received called subaddress;
Authentication means for performing authentication using the authentication code detected by the called subaddress detection means;
When the authentication means succeeds in authentication, function designation data selection means for selecting function data corresponding to the operation designation code detected by the arrival subaddress detection means from the function correspondence table;
An operation execution means for executing an operation according to the function data selected by the function designation data selection means. An input means for inputting data;
The portable terminal capable of being remotely operated according to claim 1, further comprising: a registering unit that registers an operation designation code input to the input unit in a function correspondence table. A portable terminal that can be remotely operated from another terminal device by a destination subaddress including an authentication code having a password and data indicating the number of digits of the password,
If the number of digits of the received destination subaddress is less than or equal to the sum of the numerical value indicated by the data indicating the number of digits of the password and the number of digits of the data, the authentication means does not perform authentication,
If the number of digits of the received destination subaddress exceeds the sum of the number indicated by the data indicating the number of digits of the password and the number of digits of the data, authentication is executed using the password included in the destination subaddress. A portable terminal capable of being remotely operated according to claim 1 or claim 2. A display unit, and a special incoming call means execution means that is activated when the authentication means does not execute authentication and when the authentication means fails to authenticate using a password,
The mobile terminal capable of being remotely operated according to claim 3, wherein the special incoming call means execution means records information indicating that the incoming subaddress has been received in the incoming call history. The portable terminal capable of being remotely operated according to claim 4, wherein the special incoming call means execution means prohibits the processing of the function designation data selection means when the cumulative number of activations reaches a predetermined number. A function setting method for a mobile terminal that is remotely operated from another terminal device by a destination subaddress including an operation designation code and an authentication code,
In advance, the operation specification code and the data indicating the operation are stored in association with each other,
The authentication code and the operation designation code are detected from the received destination subaddress,
Authenticate using the detected authentication code,
If the authentication is successful, select the function data corresponding to the operation specification code included in the received destination subaddress,
A function setting method for a mobile terminal, wherein an operation according to selected function data is executed. The function setting method for a portable terminal according to claim 6, wherein when a destination subaddress including an operation designation code indicating a terminal lock is received during communication, the operation corresponding to the function data is executed after the communication is terminated.

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