JP2010239441A - Portable communication terminal device, wireless communication system, in-service information notification method of portable communication terminal device, and in-service information notification program - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To promote the utilization of a PTT service by giving convenience to a user by constructing a system for automatically notifying a group member of PTT services about in-service information in a timing e.g., when moving to the inside/outside of a home U service area range. <P>SOLUTION: The present invention relates to a portable communication terminal device which can originate/terminate a call as an IP telephone using a wireless LAN inside a predetermined area and as a cellular phone via a cellular phone network outside the area and make a one-to-n speech (herein (n) is the number of group members) with group members registered beforehand. The portable communication terminal device includes: an in-service information transmitting means for transmitting in-service information to a portable communication terminal device of any registered group member, the in-service information indicating whether the present terminal device is located inside the area or outside the area; and a speech means for making a speech using the wireless LAN with the portable communication terminal device of the group member who has received the in-service information indicating the inside of the area. <P>COPYRIGHT: (C)2011,JPO&INPIT

Description

  The present invention is an IP (Internet Protocol) telephone using a wireless local area network (LAN) within a predetermined area, and a mobile telephone via a mobile telephone network such as FOMA (Freedom Of Mobile multiple Access) outside the area. A mobile communication terminal device capable of making and receiving calls and capable of half-duplex communication of 1 to n calls (where n is the number of group members) with a previously registered group member, The present invention relates to a location information notification method and a location information notification program for a wireless communication system, a portable communication terminal device.

  A push-to-talk (PTT) service is known as a half-duplex communication service in which a mobile communication terminal device such as a mobile phone is used as a transceiver and can talk to the other party only while the button is pressed. It has been. This PTT service enables half-duplex communication of one-to-n calls (where n is the number of group members) with previously registered group members, converts voice to data, and transmits it to the other party's mobile phone via packet communication. This is a type of VoIP (Voice over IP) communication to be sent.

  On the other hand, a home U (registered trademark) service that enables voice communication by VoIP as an IP telephone using a wireless LAN within a predetermined area is known for a mobile communication terminal incorporating a wireless LAN.

  By the way, as an automatic notification method of the location information to the group member using the above-described PTT service, Patent Document 1 discloses that when the subscriber B is in the area, the subscriber A is notified together with the location registration information. A technique for notifying that the subscriber B is in the same area is introduced.

Japanese Patent Laying-Open No. 2003-289571 (paragraph “0027”, FIG. 3)

  In recent years, the frequency of use of the PTT service has decreased, and this is thought to be due to the fact that there are few usage scenes for which the PTT service is assumed and the popularization of flat-rate calling charges for mobile phones.

  On the other hand, if a home U service, which is one of new services, appears and the PTT service is linked with the home U service to increase the use scene of the PTT service and promote the use, a new business for the mobile communication operator Opportunities are obtained, and the convenience inherent to the PTT service is obtained for the user, which is convenient. However, the above-mentioned Patent Document 1 does not disclose that the home U service is used as an automatic notification method of the location information, and naturally, it is intended to promote the use by increasing the use scene of the PTT service. There is no disclosure.

(Object of invention)
An object of the present invention is to provide a user with convenience by, for example, constructing a mechanism for automatically notifying in-zone information to group members of a PTT service when the home U service moves outside the area. An object of the present invention is to provide a mobile communication terminal device, a wireless communication system, a location information notification method for a mobile communication terminal in the system, and a location information notification program capable of promoting use of the service.

  The first mobile communication terminal device of the present invention is capable of making and receiving calls as an IP phone using a wireless LAN within a predetermined area, and as a mobile phone via a mobile phone network outside the area, and registered in advance. Mobile communication terminal device capable of one-to-n calls (where n is the number of group members) with the group member, and the mobile terminal device of the registered group member Area information transmission means for transmitting area information indicating whether the area is within or outside the area, and call means for performing a call using a wireless LAN with the mobile communication terminal device of the group member that has received the area information indicating the area Including.

  The second mobile communication terminal device of the present invention can make and receive calls as a mobile phone via a mobile phone network, and can make a one-to-n call with a group member registered in advance (where n is Portable communication terminal device capable of making and receiving calls as an IP phone using a wireless LAN within a predetermined area and as a mobile phone via a mobile phone network outside the area A location information receiving means for receiving location information transmitted from the apparatus and indicating whether the area is within or outside the area is included.

  The first wireless communication system of the present invention is capable of making and receiving calls as an IP phone using a wireless LAN within a predetermined area and as a mobile phone via a mobile phone network outside the area, and is registered in advance. A wireless communication system including at least one portable communication terminal device capable of one-to-n calls (where n is the number of group members) with a group member, wherein at least one of the portable communication terminal devices is registered To the mobile communication terminal device of the selected group member, the visiting area information transmitting means for transmitting the visiting area information indicating whether the own terminal device is within or outside the area, and the group member who has received the visiting area information indicating the area A mobile communication terminal device and a call means for making a call using a wireless LAN.

  The second wireless communication system of the present invention is capable of making and receiving calls as a mobile phone via a mobile phone network, and is a 1-to-n call with a group member registered in advance (where n is a group) A wireless communication system in which a plurality of portable communication terminal devices capable of being connected) is connected, and at least one of the portable communication terminal devices is an IP phone using a wireless LAN within a predetermined area, and is outside the area. It includes a location information receiving means for receiving location information that indicates the inside or outside of the area, which is transmitted from a mobile communication terminal device capable of making and receiving calls as a mobile phone via the mobile phone network.

  The location information notification method of the first mobile communication terminal device of the present invention is capable of making / receiving calls as an IP phone using a wireless LAN within a predetermined area and as a mobile phone via a mobile phone network outside the area. In addition, the mobile communication terminal device location information notification method is capable of one-to-n calls (where n is the number of group members) with a previously registered group member. At least one step of transmitting to the mobile communication terminal device of the registered group member the location information indicating whether the terminal device is within or outside the area, and the group that has received the location information indicating the range There is a step of performing a call using a wireless LAN with a member's mobile communication terminal device.

  According to the second mobile communication terminal device location information notification method of the present invention, it is possible to make and receive calls as a mobile phone via a mobile phone network, and 1 to n between group members registered in advance. A location information notification method for a mobile communication terminal device capable of calling (where n is the number of group members), wherein at least one of the mobile communication terminal devices is an IP phone using a wireless LAN within a predetermined area In addition, there is a reception step of receiving out-of-area information indicating the area inside or outside the area, which is transmitted from a mobile communication terminal device capable of making and receiving calls as a mobile phone via the mobile phone network outside the area.

  The first location information notification program of the present invention is capable of making and receiving calls as an IP phone using a wireless LAN within a predetermined area, and as a mobile phone via a mobile phone network outside the area, A location information notification program executed on a computer of a mobile communication terminal device capable of one-to-n calls (where n is the number of group members) with a registered group member, the group registered in the computer A process of transmitting area information indicating whether the terminal apparatus is within or outside the area to the member's portable communication terminal apparatus, and wireless communication with the group member's portable communication terminal apparatus that has received the area information indicating the area And a process of making a call using the LAN.

  The second in-zone information notification program of the present invention is capable of making / receiving calls as a mobile phone via a mobile phone network, and is a one-to-n call with a group member registered in advance (where n is a group member) Is a location information notification program that is executed on a computer of a mobile communication terminal device capable of being used as an IP phone using a wireless LAN within a predetermined area and via a mobile phone network outside the area. Then, a process of receiving in-zone information indicating the inside or outside of the area, which is transmitted from a mobile communication terminal device capable of making / receiving calls as a mobile phone, is executed.

  According to the present invention, for example, by constructing a mechanism for automatically notifying the group information of the PTT service when the home U service moves out of the area, the PTT service is provided with convenience to the user. It is possible to provide a mobile communication terminal device, a wireless communication system, a location information notification method for a mobile communication terminal device, and a location information notification program that can promote the use of services.

  The reason for this is that the control means of the mobile communication terminal device automatically detects the mobile communication terminal device of the group member registered in advance when the mobile terminal device detects that the mobile device is entering or leaving the service area. This is because the location information of the terminal device is transmitted.

It is a figure which shows the structure and the operation | movement concept of the radio | wireless communications system by embodiment of this invention. It is a sequence diagram which shows schematic operation | movement of the radio | wireless communications system by embodiment of this invention. It is a block diagram which shows the internal structure of the portable communication terminal device by embodiment of this invention. It is the block diagram which expanded the function and showed the structure of the program which the control part of the portable communication terminal device by embodiment of this invention performs. It is a flowchart which shows operation | movement of the portable communication terminal device (home U + PTT service corresponding side) by embodiment of this invention. It is a flowchart which shows operation | movement of the portable communication terminal device (PTT service corresponding side) by embodiment of this invention.

  Next, embodiments of the present invention will be described in detail with reference to the drawings.

(Configuration of wireless communication system according to the first embodiment)
FIG. 1 is a diagram showing a configuration and an operation concept of a radio communication system 1 according to an embodiment of the present invention.

Referring to FIG. 1, a wireless communication system 1 according to a first embodiment of the present invention includes a mobile communication terminal device 11 as a home U + PTT service compatible mobile communication terminal device, and a mobile communication as a PTT service compatible mobile communication terminal device. The terminal devices 12 _{1 to} 12 _n are included.

The mobile communication terminal device 11 and the mobile communication terminal devices 12 _{1 to} 12 _n are installed with a program (home area information notification program 10) for home U subscriber state automatic notification described later. . This location information notification program 10 needs to be easily installable in the mobile communication terminal devices 12 _{1 to} 12 _n . For the method, a known software update using a server of a mobile communication carrier (not shown) is used. It can be realized with.

  By the way, in order to realize the home U service, an access point 15 corresponding to the home U service is required, and a wireless LAN communication area that can be covered by the access point 15 is defined as a home U area 13. In addition, an area other than the area 13 where communication is performed using the FOMA network is referred to as a cellular phone network 14.

  That is, the mobile communication terminal device 11 performs a PTT service by the home U service in the area 13 and by the mobile phone network 14 in other areas.

(Operation of the wireless communication system according to the first embodiment)
FIG. 2 is a sequence diagram showing an operation of the wireless communication system 1 according to the embodiment of the present invention. Here, the flow of information between the mobile communication terminal device 11 and the mobile communication terminal devices 12 _{1 to} 12 _n is shown.

A schematic operation of the wireless communication system 1 shown in FIG. 1 will be described with reference to FIG. Here, paying attention to the fact that both the home U service and the PTT service use VoIP as a communication protocol for voice communication, the mobile communication terminal device 11 (home U) Out-of-service area → in-service area), the pre-registered mobile communication terminal devices 12 _{1 to} 12 _n , that is, the group information of the PTT service, is automatically notified of the location information (such as when the subscriber returns home or returns home) by VoIP. (Step S201). Then, the mobile communication terminal device 11 obtains a reception response to the location information notification from the mobile communication terminal devices 12 _{1 to} 12 _n (step S202), and when necessary, between the mobile communication terminal devices 12 _{1 to} 12 _n. A PTT call is performed (S203).

Similarly, when the mobile communication terminal device 11 leaves the home U area 13 (from within the home U area to outside the service area), the mobile communication terminal devices 12 _{1 to} 12 _n registered in advance, that is, to the group members of the PTT service Thus, the home U subscriber's location information (outing, etc.) is automatically notified by VoIP, whereby the PTT service group member can know the home U subscriber's location information.

  That is, the mobile communication terminal device 11 makes and receives calls as an IP phone using a wireless LAN within a predetermined area (home U area 13) and as a mobile phone via the mobile phone network 14 (FOMA) outside the area, and Then, half-duplex communication of 1-to-n calls (where n is the number of group members) is performed with previously registered group members.

(Effect of the wireless communication system according to the first embodiment)
According to the wireless communication system 1 according to the present embodiment described above, it is possible to automate the location information notification to the group members using the PTT service that did not exist so far, and to realize the PTT call according to the situation. . In addition, PUT service usage scenes are targeted at home U subscribers (single family members and single elderly people for individuals, and the company president and officers for companies). It is expected that if the usage scene of the in-zone information automatic notification service using the service is clarified and this in-zone information automatic notification service is provided free of charge, the use of the PTT service itself is promoted.

(Configuration of mobile communication terminal device according to the first embodiment)
FIG. 3 is a block diagram showing an internal configuration of the mobile communication terminal device according to the embodiment of the present invention.

  Referring to FIG. 3, the mobile communication terminal device (here, mobile communication terminal device 11) according to the embodiment of the present invention has a control unit 21 as a control center, a communication unit 22, an operation unit 23, and a display unit 24. A voice codec (CODER) unit 25, a storage unit 26, and a wireless LAN communication unit 27.

  The communication unit 22 captures a wireless communication system, performs wireless communication with a base station connected to a communication network (not shown), and transmits and receives various data. Here, the various data includes voice data at the time of voice call, mail data at the time of mail transmission / reception, page data at the time of browsing the web, and the like. In addition, VoIP communication is performed under the control of the control unit 21.

  The operation unit 23 includes keys to which various functions are assigned, such as a power key, a call key, a numeric key, a character key, a direction key, a determination key, a call key, and a function key. When operated by the user, a signal corresponding to the operation content is generated and output to the control unit 21 as a user instruction.

  The display unit 24 is configured by arranging a large number of pixels (a combination of light emitting elements of a plurality of colors) vertically and horizontally, for example, using an LCD (Liquid Crystal Display Device) or an organic EL (Electro-Luminescence). The display unit 24 displays an image corresponding to display target data such as a document generated by the control unit 21 and written in a predetermined area (VRAM (Video Random Access Memory) area) of the storage unit 26.

  The audio CODEC unit 25 performs input / output processing of an audio signal output from a speaker (not shown) and an audio signal input from a microphone. That is, the audio CODEC unit 25 amplifies the audio input from the microphone, performs analog-digital conversion, further performs signal processing such as encoding, converts it into digital audio data, and outputs it to the control unit 11. In addition, the audio CODEC unit 25 performs signal processing such as decoding, digital-analog conversion, and amplification on the audio data supplied from the control unit 21, converts the audio data into an analog audio signal, and outputs the analog audio signal to the speaker.

  The storage unit 26 stores various data used for various processes of the mobile communication terminal device 11. For example, a computer program executed by the control unit 21, various setting data, and temporary data used in the process of the program are stored. Here, a group member of the PTT service subscriber is registered in a predetermined area, and a location information flag for temporarily storing location information described later is also assigned and stored. This location information flag is updated and referred to by the control unit 21 to notify the location information.

  Note that the storage unit 26 is, for example, a nonvolatile storage device (nonvolatile semiconductor memory, hard disk device, optical disk device, etc.) or a randomly accessible storage device, for example, a static random access memory (SRAM), a dynamic random access memory (DRAM). ) Etc.

  The wireless LAN communication unit 27 generates electromagnetic waves and performs wireless LAN communication with the home U service compatible access point 15. Internally, the wireless LAN communication unit 27 includes a modulation / demodulation unit and a resonance circuit unit composed of a coil and a capacitor, and performs non-contact communication by modulating / demodulating an electromagnetic wave generated by the resonance frequency. The wireless LAN communication unit 27 only needs to be able to perform non-contact communication. For example, a wireless communication technique known as Bluetooth (registered trademark) is used instead of the wireless LAN.

  Note that the control unit 21 comprehensively controls the overall operation of the mobile communication terminal device 11. That is, voice communication performed via a mobile phone network such as FOMA, creation and transmission / reception of e-mail, browsing of the Internet Web (World Wide Web) site, home U service, PTT service support, etc. The operation of each control block described above (transmission / reception of signals in the communication unit 22, capture of operation input from the operation unit 23, voice CODEC unit, etc.) so that various types of processing are executed in an appropriate procedure according to the operation of the operation unit 23 Audio input / output at 25, image display on the display unit 24, information transfer to and from the wireless LAN communication unit 27, and the like.

  The control unit 21 includes a computer (microprocessor) that executes processing based on a program (such as an operating system or an application program) stored in the storage unit 26, and performs the above-described processing according to a procedure instructed by these programs. Execute. That is, the control unit 21 sequentially reads instruction codes from programs such as an operating system and application programs stored in the storage unit 26 and executes processing.

The control unit 21 also detects that the entry of the own terminal into the home U area 13 is detected, and that the own terminal has exited the home U area after entering the home U area 13. In response to this, it also functions as a control means for transmitting its own location information to the mobile communication terminal devices 12 _{1 to} 12 _n that are group members of the PTT service stored in the storage unit 26.

In addition, the control unit 21 obtains a reception response to the location information notification from the mobile communication terminal devices 12 _{1 to} 12 _n that are group members of the PTT service to which the location information is transmitted, and performs a half-duplex VoIP call It also functions as a means.

  In order to realize the above-described functions, the structure of the location information notification program according to the first embodiment of the present invention executed by the control unit 21 is shown in FIGS. 4 (a) and 4 (b).

4 (a) is a mobile communication terminal device 11, FIG. 4 (b) is a diagram showing in the structure of the mobile communication terminal apparatus ₁₂ 1 to 12 _n of the program and each function deployment.

  Referring to FIG. 4A, the control unit 21 includes a main control unit 210, a located area information detecting unit 211, a located area information transmitting unit 212, a located area information response receiving unit 213, and a PTT call processing unit 214. And comprising.

The main control unit 210 leaves the home U area after entering the home U area 13 when the control unit 21 detects that the mobile communication terminal device 11 has entered the home U area 13. In response to the detection, the mobile communication terminal devices 12 _{1 to} 12 _n which are group members of the PTT service stored in the storage unit 26 have a function as a transmission unit that transmits their location information. In order to realize this, sequence control is performed for the area information detection unit 211, the area information transmission unit 212, the area information response reception unit 213, and the PTT call processing unit 214.

The located area information detection unit 211 has a function of detecting the entry of the mobile communication terminal device 11 into the home U area and the exit from the home U area and delivering the result to the main control unit 210. The in-zone information transmission unit 212, under the control of the main control unit 210, converts the in-zone information detected by the in-zone information detection unit 211 by the communication unit 22 into the mobile communication terminal devices 12 _{1 to} 12 which are group members of the PTT service. _It has a function to transmit to _n .

The in-zone information response receiving unit 213 has a function of obtaining a reception response to the in-zone information transmitted to the mobile communication terminal devices 12 _{1 to} 12 _n that are group members of the PTT service, and delivering the response to the main control unit 210. The PTT call processing unit 214 is a one-to-n call using the home U area 13 between the mobile communication terminal device 11 and the mobile communication terminal devices 12 _{1 to} 12 _n (where n is the number of group members). It has a function to perform heavy communication.

Here, the description returns to FIG. The configuration shown in FIG. 3 is the configuration of the mobile communication terminal device 11, but the mobile communication terminal devices 12 _{1 to} 12 _n also have a function in which the control unit 21 does not have a function of notifying the location information. A similar configuration is provided except that the communication unit 27 is not essential. FIG. 4B shows a functionally expanded structure of a program executed by the control unit 21 of the mobile communication terminal devices 12 _{1 to} 12 _n .

  Referring to FIG. 4B, the control unit 21 includes a main control unit 310, a located area information receiving unit 311, a located area information display processing unit 312, a located area information reception response unit 313, and a PTT call processing unit. 314.

  When the control unit 21 receives notification of the location information from the mobile communication terminal device 11, the main control unit 310 receives a one-to-n call with a previously registered group member (where n is a group member's notification). In order to realize a function as a control means for performing half-duplex communication of the number of persons), a sequence of the visiting area information receiving unit 311, the visiting area information display processing unit 312, the visiting area information reception response unit 313, and the PTT call processing unit 314 Take control.

The location information receiving unit 311 receives the location information (entry into the home U area, exit from the home U area) transmitted from the mobile communication terminal device 11 to the main control unit 210. Has a function to deliver. The location information display processing unit 312 uses the known PTT incoming means under the control of the main control unit 310 to display the location of the mobile communication terminal device 11 on the display unit 24 of the mobile communication terminal devices 12 _{1 to} 12 _n. It has a function to display information.

The location information reception response unit 313 can control the communication unit 22 under the control of the main control unit 310 and can make a PTT call to the mobile communication terminal device 11 (location information response reception unit 213) by VoIP communication. It has a function of performing a reception response indicating that it is in a state. The PTT call processing unit 314 has a function of performing half-duplex communication of 1-to-n calls (where n is the number of group members) between the mobile communication terminal device 11 and the mobile communication terminal devices 12 _{1 to} 12 _n. Have.

(Operation of the mobile communication terminal device of the first embodiment)
5 and 6 are flowcharts showing the operation of the mobile communication terminal device according to the first embodiment of the present invention, the operation of the mobile communication terminal device 11 (FIG. 5), and the operation of the mobile communication terminal devices 12 _{1 to} 12 _n . Each of FIG. 6 is shown.

  Referring to FIG. 5, first, when the mobile communication terminal device 11 (person carrying the mobile device) enters the home U area 13 such as at home, wireless LAN communication with the home U service compatible access point 15 is performed. The location information detection unit 211 of the control unit 21 detects this via the wireless LAN communication unit 27 (step S501 “Yes”), and is allocated and stored in a predetermined area of the storage unit 26. The zone information flag is updated and set from outside the home U13 zone (step S502).

Next, the main control unit 210 activates the in-zone information transmitting unit 212, and the in-zone information transmitting unit 212 searches for a group member of the PTT service registered in advance with reference to a predetermined area of the storage unit 26. (Step S503) The mobile communication terminal devices 12 _{1 to} 12 _n that are group members are notified of the location information (returning home, returning home, etc.) of the mobile communication terminal device 11 by VoIP (Step S504). Only when the mobile communication terminal device 11 is within the range (step S505 “Yes”), the mobile communication terminal device 11 waits for a reception response from the mobile communication terminal devices 12 _{1 to} 12 _n . If it is out of service area (step S505 “No”), the process is terminated.

When there is a reception response from the mobile communication terminal devices 12 _{1 to} 12 _{n in} response to the location information notification by the location information transmission unit 212, the location information response reception unit 213 detects this (step S506 “Yes”), The main control unit 210 recognizes that the mobile communication terminal devices 12 _{1 to} 12 _n are in a state where a PTT call is possible. When it becomes necessary to perform a PTT call (step S507 “Yes”), the main control unit 210 activates the PTT call processing unit 214 and establishes a home U area with the mobile communication terminal devices 12 _{1 to} 12 _n. Half-duplex communication of 1 to n calls using 13 (where n is the number of group members) is performed (step S508). As long as the mobile communication terminal device 11 is located in the home U area 13 (step S509 “No”), the processing from step S501 to step S501 is repeated.

  When the mobile communication terminal device 11 leaves the home U area 13, wireless LAN communication with the home U service compatible access point 15 becomes impossible, and the in-zone information detection unit 211 that detects this is detected (step S509 “Yes”). ") Updates and sets the in-zone information flag allocated and stored in a predetermined area of the storage unit 26 from the home U in-range state to the out-of-range state (step S502), and searches for the group members described above (step S503), The in-zone information is transmitted (step S504), and the above-described series of processing ends when the out-of-range information is determined (step S505 “No”).

As described above, the mobile communication terminal device 11 enters the home U area 13 and notifies the mobile communication terminal devices 12 _{1 to} 12 _n of the home U subscriber's location information so that the PTT call can be made. Until then, no operation by the owner of the mobile communication terminal device 11 is required, and the operation is automatically realized by the processing by the in-zone information notification program 10.

  Next, the operation of the mobile communication terminal device 12 according to the embodiment of the present invention will be described with reference to FIG.

Referring to FIG. 6, the area information receiving unit 311 of the mobile communication terminal apparatuses 12 _{1 to} 12 _n receives the area information notification from the mobile communication terminal apparatus 11 (area information transmitting unit 212) (step S601 “ Yes "), the area information display processing unit 312 is activated under the control of the main control unit 310. The area information display processing unit 312 that has received the information displays the area information of the mobile communication terminal device 11 received by the area information receiving unit 311 on the display unit 24 using a known PTT incoming tool.

After the area information display processing unit 312 displays the area information of the mobile communication terminal device 11 (step S602), the main control unit 310 activates the area information reception response unit 313 and receives the area information received. The response unit 313 sends a reception response indicating that the mobile communication terminal devices 12 _{1 to} 12 _n are in a state where a PTT call is possible by VoIP communication to the mobile communication terminal device 11 (the in-zone information response receiving unit 213). Transmit (step S603).

  Subsequently, the main control unit 310 transfers control to the PTT call processing unit 314, and the PTT call processing unit 314 receives a PTT call request from the mobile communication terminal device 11 (PTT call processing unit 214) (step S604 “Yes”). ”) Half-duplex communication of the one-to-n call using the home U area 13 (where n is the number of group members) is performed with the mobile communication terminal device 11 (step S605).

(Effects of the mobile communication terminal device of the first embodiment)
As described above, in the mobile communication terminal device according to the present embodiment, the home U service and the PTT service both enter the home U area 13 of the mobile communication terminal device 11 from the viewpoint of using the VoIP communication protocol. Is detected, automatic notification of the location information of the mobile communication terminal device 11 is made to group members of the PTT service registered in advance, and if necessary, a VoIP call by the PTT service is made possible. A PTT call using the home U area 13 is possible when the home U service subscriber has returned home or returned to work (the location information of the mobile communication terminal device 11 has become “location”). As a result, the frequency of use of the PTT service is improved, which contributes to the improvement of the profits of the mobile phone operator and provides convenience to the user. It can be achieved.

  In the mobile communication terminal device according to the above-described embodiment of the present invention, the home U service provided by NTT DoCoMo and the PTT service (or push talk service for NTT Docomo) are provided. Although illustrated and explained, it is not limited to these services, and can be made as an IP phone using a wireless LAN within a predetermined area, and as a mobile phone via a mobile phone network outside the area, In addition, any service other than the above-described services can be used as long as it is a service using VoIP capable of half-duplex communication of 1 to n calls (where n is the number of group members) with previously registered group members. It can also be applied to services.

In the mobile communication terminal device according to the embodiment of the present invention, only the mobile communication terminal devices 11 and 12 _{1 to} 12 _n are illustrated as the mobile communication terminal device. However, the mobile communication terminal device is not limited to the mobile communication terminal devices 11 and 12 _{1 to} 12 _n. The present invention can be similarly applied to all portable communication terminal devices such as notebook PCs, PDAs (Personal Digital Assistants), and game machines.

Note that all of the functions of the control unit 21 in FIGS. 4A and 4B may be realized by software, or at least a part thereof may be realized by hardware. For example, when the control unit 21 detects that an entry into the area has been detected, the control unit 21 automatically detects the group member's mobile communication terminal devices (mobile communication terminal devices 12 _{1 to} 12 _n ) stored in the storage unit 26. Data processing for transmitting location information of the terminal device (mobile communication terminal device 11), mobile communication of group members stored in the storage unit 26 when it is detected that the terminal device (mobile communication terminal device 11) has exited the area after entering the area to the terminal device (portable communication terminal apparatus 12 1 _{to 12 n),} the portable communication terminal apparatus of the group members data processing for transmitting the area information, or area information is transmitted (the mobile communication terminal apparatus 12 ₁ to 12 _n The data processing for obtaining the reception response to the location information notification from) and performing the half-duplex VoIP call may be realized on the computer by one or more programs. At least a portion may be implemented by hardware.

  Although the present invention has been described with reference to the preferred embodiments and examples, the present invention is not necessarily limited to the above-described embodiments and examples, and various modifications may be made within the scope of the technical idea. Can be implemented.

1: Wireless communication system 10: Location information notification program 11: Mobile communication terminal device (home U + PTT service compatible mobile phone)
12 _{1 to} 12 _n : Mobile communication terminal device (PTT service compatible mobile phone)
13: Home U area 14: Mobile phone network 15: Home U service compatible access point 21: Control unit 22: Communication unit 23: Operation unit 24: Display unit 25: Voice CODEC unit 26: Storage unit 27: Wireless LAN communication unit 210 : Main control unit 211: in-zone information detection unit 212: in-zone information transmission unit 213: in-zone information response reception unit 214: PTT call processing unit 310: main control unit,
311: Area information reception unit 312: Area information display processing unit 313: Area information reception response unit 314: PTT call processing unit

Claims (24)

It is possible to make and receive calls as an IP phone using a wireless LAN within a predetermined area, and as a mobile phone via a mobile phone network outside the area, and 1 to n with a group member registered in advance. A portable communication terminal capable of VoIP half-duplex calls (where n is the number of group members),
The mobile communication terminal device of the registered group member is provided with location information transmission means for transmitting location information indicating that the terminal device is within or outside the area by VoIP. Mobile communication terminal device.   The mobile communication terminal apparatus according to claim 1, further comprising a response reception unit that receives a reception response to the area information from the mobile communication terminal apparatus of the group member that has received the area information by VoIP. Comprising detection means for detecting entry into the area;
The location information transmitting means includes
When the detection means detects entry into the area, the mobile terminal of the group member transmits location information indicating that the terminal device is within range by VoIP. The portable communication terminal device according to claim 1 or 2. Comprising detection means for detecting exit from the area;
The location information transmitting means includes
When the detecting means detects leaving from within the area, it transmits to the group member's mobile communication terminal location information indicating that the terminal device is out of service area by VoIP. The portable communication terminal device according to any one of claims 1 to 3. It is possible to make and receive calls as a mobile phone via a mobile phone network, and to make 1-to-n VoIP half-duplex calls with a group member registered in advance (where n is the number of group members) Portable communication terminal device,
It is possible to make and receive calls as an IP phone using a wireless LAN within a predetermined area, and as a mobile phone via a mobile phone network outside the area, and 1 to n with a group member registered in advance. Included is a location information receiving means for receiving, by VoIP, location information indicating that the mobile communication terminal device is within or outside the area, transmitted from a mobile communication terminal device capable of VoIP half-duplex calling. A portable communication terminal device.   6. The mobile communication terminal apparatus according to claim 5, further comprising response means for transmitting a reception response by VoIP to the mobile communication terminal apparatus that has transmitted the area information when the area information is received. . It is possible to make and receive calls as a mobile phone via a mobile phone network, and to make 1-to-n VoIP half-duplex calls with a group member registered in advance (where n is the number of group members) A wireless communication system including a plurality of portable communication terminal devices,
At least one specific mobile communication terminal
It is possible to make and receive calls as an IP phone using a wireless LAN within a predetermined area and as a mobile phone via a mobile phone network outside the area.
And, to the registered group member's mobile communication terminal device, there is provided area information transmission means for transmitting area information indicating that the own terminal apparatus is within or out of the area by VoIP. Wireless communication system. The mobile communication terminal device that transmitted the location information is
8. The wireless communication system according to claim 7, further comprising response receiving means for receiving a reception response to the location information from the mobile communication terminal device of the group member that has received the location information by VoIP. At least one of the specific mobile communication terminal device or other mobile communication terminal devices is
The wireless communication system according to claim 7 or 8, further comprising: area information receiving means for receiving the area information of the specific mobile communication terminal apparatus that has transmitted the area information by VoIP. The mobile communication terminal device that has received the location information,
The wireless communication system according to claim 9, further comprising a response transmission unit that transmits a reception response to the location information by VoIP to the specific mobile communication terminal device that has transmitted the location information. At least one of the specific mobile communication terminal devices is
Comprising detection means for detecting entry into the area;
The location information transmitting means includes
When the detection means detects entry into the area, the mobile terminal of the group member transmits location information indicating that the terminal device is within range by VoIP. The radio | wireless communications system in any one of Claims 7-10. At least one of the specific mobile communication terminal devices is
Comprising detection means for detecting exit from the area;
The location information transmitting means includes
When the detecting means detects leaving from within the area, it transmits to the group member's mobile communication terminal location information indicating that the terminal device is out of service area by VoIP. The radio | wireless communications system in any one of Claims 7-11. It is possible to make and receive calls as an IP phone using a wireless LAN within a predetermined area, and as a mobile phone via a mobile phone network outside the area, and 1 to n with a group member registered in advance. A mobile communication terminal device location information notification method capable of VoIP half-duplex calls (where n is the number of group members),
A mobile communication terminal device comprising: a step of transmitting, by VoIP, location information indicating that the terminal device is within or outside the area to the registered group member mobile communication terminal device Location information notification method.   14. The mobile communication terminal apparatus according to claim 13, further comprising a step of receiving, by VoIP, a reception response to the area information from the mobile communication terminal apparatus of the group member that has received the area information. Information notification method. Detecting entry into the area;
In the location information transmission step,
The in-zone information indicating that the terminal device is within range is transmitted by VoIP to the mobile communication terminal of the group member when entry into the area is detected. Item 15. A method for notifying area information of a mobile communication terminal device according to Item 14. Detecting exit from the area;
In the location information transmission step,
15. Area information indicating that the local terminal device is out of service area is transmitted by VoIP to the mobile communication terminal of the group member when the exit from the area is detected. Or the location information notification method of the mobile communication terminal device according to claim 15. It is possible to make and receive calls as a mobile phone via a mobile phone network, and to make 1-to-n VoIP half-duplex calls with a group member registered in advance (where n is the number of group members) A mobile communication terminal device location information notification method,
It is possible to make and receive calls as an IP phone using a wireless LAN within a predetermined area, and as a mobile phone via a mobile phone network outside the area, and 1 to n with a group member registered in advance. The VoIP half-duplex call (where n is the number of group members), which is transmitted from a portable communication terminal device indicating that the portable communication terminal device is within or outside the area, is VoIP. A receiving information receiving method for a mobile communication terminal device, comprising: a receiving step for receiving. The mobile communication terminal device according to claim 17, further comprising a step of transmitting a reception response by VoIP to the mobile communication terminal device that has transmitted the location information when the location information is received. Location information notification method. It is possible to make and receive calls as an IP phone using a wireless LAN within a predetermined area, and as a mobile phone via a mobile phone network outside the area, and 1 to n with a group member registered in advance. A location information notification program executed on a computer of a mobile communication terminal device capable of VoIP half-duplex calls (where n is the number of group members),
In the computer,
Location information notification characterized by causing the registered group member's mobile communication terminal device to execute processing for transmitting location information indicating that the terminal device is within or outside the area by VoIP program.   20. The location information notification program according to claim 19, further comprising a process of receiving a reception response to the location information from the mobile communication terminal device of the group member that has received the location information by VoIP. A process of detecting entry into the area;
In the location information transmission process,
20. The location information indicating that the terminal device is within range is transmitted by VoIP to the mobile communication terminal of the group member when entry into the area is detected. Item 21. A program for notifying area information according to item 20. A process of detecting exit from the area;
In the location information transmission process,
21. The location information indicating that the terminal device is out of service area is transmitted by VoIP to the mobile communication terminal of the group member when the exit from the area is detected. Or the location information notification program of Claim 21. It is possible to make and receive calls as a mobile phone via a mobile phone network, and to make 1-to-n VoIP half-duplex calls with a group member registered in advance (where n is the number of group members) A location information notification program executed on a computer of a portable communication terminal device,
In the computer,
It is possible to make and receive calls as an IP phone using a wireless LAN within a predetermined area, and as a mobile phone via a mobile phone network outside the area, and 1 to n with a group member registered in advance. The VoIP half-duplex call (where n is the number of group members), which is transmitted from a portable communication terminal device indicating that the portable communication terminal device is within or outside the area, is VoIP. A location information notification program for executing a receiving process. 24. The area information notification program according to claim 23, further comprising: a process of transmitting a reception response by VoIP to the mobile communication terminal apparatus that has transmitted the area information when the area information is received. .

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