JP2006067105A - Communication terminal device - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a communication terminal device which has a plurality of interfaces for executing communication in-between an IP network, and can allow one specific interface among a plurality of the interfaces to be used for the communication in-between the IP network when accessing a specific server on the IP network. <P>SOLUTION: The wireless LAN telephone device 1 has two interfaces of a wireless LAN transmitter/receiver 15, and a wireless public transmitter/receiver 16. The device 1 can execute a game (A) operable after accessing a game server 2. The wireless LAN telephone device 1 is provided with a memory 14, which stores a routing table showing a communication route when accessing the IP network, and a control circuit 11 which conducts the control to execute the game (A) and edits the routing table so that the wireless public transmitter/receiver 16 is used for the communication in-between the IP network when accessing the game server 2 accompanying with the execution of the game (A). <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

  The present invention relates to a communication terminal apparatus capable of communicating with an IP (Internet Protocol) network, and in particular, an application having a plurality of interfaces for communicating with an IP network and accessing and operating a server on the IP network. It is related with the communication terminal device which can perform.

  In recent years, with dramatic progress in information network technology, PDA (Personal Digital Assistance), mobile phone devices, personal computers, peripheral devices, or digital audio that can communicate with IP networks such as the Internet and Intranet. Increasingly, a communication terminal device such as an information communication device such as a device or an information home appliance device is used to access a server on an IP network and receive various services.

  For example, there is an online game service capable of playing a battle game such as Go or Shogi or a role playing game on the Internet. This online game service allows a user who is logged in to a predetermined game server on the Internet to play a battle game or a role on his / her personal computer or mobile phone device against another user who is logged in to the same game server. You can enjoy playing games.

  In addition, for example, stock trading that downloads stock price information that changes in real time from a predetermined server on the Internet via the Internet, and allows you to view stock price transitions on your personal computer or PDA as a graph. There are also services related to the above.

  When receiving such a service, the user needs to install an application such as an online game necessary for receiving the service in the communication terminal device used by the user. When the installed application is activated, the communication terminal device provides services to the user by accessing a predetermined server on the IP network and exchanging necessary information based on the contents of the application.

  Also, in such communication terminal devices that can communicate with an IP network, a wireless LAN that conforms to IEEE (Institute of Electrical and Electronics Engineers) 802.11b using the 2.4 GHz band has recently been widely used. In connection with what has been done, many communication terminal apparatuses have a plurality of interfaces for communicating with IP networks.

  For example, there is a wireless LAN telephone device having two interfaces, a cellular phone (wireless public) interface that communicates with an IP network via a cellular phone line (wireless public network) and a wireless LAN interface that performs wireless communication with a wireless LAN access point. . The wireless LAN telephone device can access, for example, a game server connected to an IP network through a mobile phone line, and the game server via a wireless LAN access point connected to the IP network using a wireless LAN. You can also access That is, the online game service provided by the game server can be received regardless of the communication path.

In addition, there is a communication authentication device that authenticates wireless connection between devices such as a mobile terminal device, a mobile phone device, a personal computer, and a digital audio device (see, for example, Patent Document 1).
Japanese Patent Laid-Open No. 2003-179609

  However, when a conventional communication terminal device having a plurality of interfaces for communicating with an IP network is used to access a server or the like on the IP network, the IP is transmitted using a specific one of the plurality of interfaces. Problems may arise if communication is not performed with the network.

  For example, consider the case where the above-described conventional wireless LAN telephone apparatus receives an online game service operated by a mobile phone company. The mobile phone company expects a user who has a telephone contract with the mobile phone company to access a game server connected to the IP network via a mobile phone line from a mobile terminal used by the user. Assume that this online game service is provided free of charge. This is because even if the online game service is provided free of charge, it can be expected to generate a mobile phone line usage fee. However, since the wireless LAN telephone device can also access the game server over a wireless LAN via a wireless LAN access point, the user can provide an online game service by the game server without using a mobile phone line. You can also receive it. Therefore, in this case, there is a problem that the mobile phone company does not receive a line usage fee for the mobile phone line, and the mobile phone company cannot obtain the expected income.

  Therefore, in such a case, the mobile phone company only needs to be able to make the wireless LAN telephone device access the game server through a mobile phone line. This is because, if it is possible to do so, it is possible to obtain the expected mobile phone line usage fee.

  Moreover, although the prior art described in Patent Document 1 can enable / disable communication between devices, it cannot select a communication path between devices. That is, it cannot be applied to the solution of the above problems.

  In view of the above points, the present invention is a communication terminal apparatus having a plurality of interfaces for communicating with an IP network, and when accessing a specific server on the IP network, a specific one of the plurality of interfaces is selected. It is an object of the present invention to provide a communication terminal device that allows one interface to be used for communication with an IP network.

  In order to achieve the above object, the invention of claim 1 is a communication terminal device having a plurality of interfaces for communicating with an IP network and capable of executing an application that accesses and operates a server on the IP network. A storage unit that stores path information indicating a communication path for accessing the IP network, and a control for executing the application, and the access to the server accompanying the execution of the application. There is provided a communication terminal device comprising a control unit that edits the route information so that a specific one of the plurality of interfaces is used for communication with the IP network.

  According to this configuration, when accessing the IP network, the communication terminal apparatus performs communication using a communication path based on path information stored in the storage unit. The path information is edited by the control means so that a specific one interface among the plurality of interfaces is used for communication with the IP network when accessing the server accompanying the execution of the application. ing. Therefore, the communication terminal device uses a specific one of the plurality of interfaces for communication with the IP network when accessing the server accompanying the execution of the application.

  Also, in the invention of claim 2, in the invention of claim 1, the route information is a routing table, and the control means is in the routing table, the IP address of the server as a destination, and communication to the IP address. Interface information indicating the specific one interface is used as an interface to be used, and application information indicating the application is written as a valid application indicating an application in which the IP address and the interface information are valid.

  According to this, when accessing the IP network, the communication terminal apparatus performs communication through a communication path based on the routing table stored in the storage means. In the routing table, the control means includes an IP address of the server as a destination, interface information indicating the specific one interface as an interface used for communication to the IP address, the IP address and the interface information. Application information indicating the application is written as a valid application indicating a valid application. Therefore, when the communication terminal device accesses the IP address written as the destination in accordance with the execution of the application indicated by the application information written in the routing table, the interface information written as the interface Will be used for communication with the IP network.

  According to a third aspect of the present invention, in the second aspect of the present invention, the control means edits the routing table in order to edit any or all of the IP address, the interface information, and the application information. And access control information indicating a user or an application that can access the application.

  According to this, since access control information is written in the routing table, a virus, a hacking tool, or a malicious user cannot change the contents of the routing table.

  According to a fourth aspect of the present invention, in the first aspect, the route information is an address conversion table, and the control means stores the IP address of the server as a destination in the address conversion table and the IP address. Interface information indicating the specific one interface is written as an interface used for communication, and application information indicating the application is written as an effective application indicating an application for which the IP address and the interface information are valid.

  According to this, when accessing the IP network, the communication terminal apparatus performs communication through a communication path based on an address conversion table stored in the storage unit. The address conversion table includes an IP address of the server as a destination by the control unit, interface information indicating the specific one interface as an interface used for communication to the IP address, the IP address, and the interface information. Application information indicating the application is written as an effective application indicating an application for which is effective. Therefore, when the communication terminal device accesses the IP address written as the destination in accordance with the execution of the application indicated by the application information written in the address conversion table, the interface written as the interface The one specific interface indicated by the information is used for communication with the IP network.

  According to a fifth aspect of the present invention, in the fourth aspect of the present invention, the control means is configured to edit the address conversion table in order to edit any or all of the IP address, the interface information, and the application information. Access control information indicating a user or application that can access the conversion table is written.

  According to this, since the access control information is written in the address conversion table, a virus, a hacking tool, or a malicious user cannot change the contents of the address conversion table.

  According to a sixth aspect of the invention, in the first to fifth aspects of the invention, the control means edits the route information when the application is activated.

  According to this, since the route information is edited before the server is accessed as the application is executed, the communication terminal device accesses the server as the application is executed. Sometimes a specific one of the plurality of interfaces is used for communication with the IP network.

  The invention according to claim 7 is the invention according to claims 1 to 6, characterized in that the specific one interface is a wireless public interface for performing communication via a wireless public network. is there.

  According to this configuration, the communication terminal device communicates with the IP network using the wireless public interface when accessing the server as the application is executed.

  According to the present invention, there is provided a communication terminal device having a plurality of interfaces for communicating with an IP network and capable of executing an application that operates by accessing a server on the IP network, the server accompanying execution of the application When accessing the network, a communication terminal apparatus using a specific one of the plurality of interfaces for communication with the IP network can be realized.

  Further, according to the present invention, there is provided a communication terminal device having a plurality of interfaces for communicating with an IP network including a wireless public interface and capable of executing an application that operates by accessing a server on the IP network, When accessing the server as the application is executed, a communication terminal device that communicates with the IP network using a wireless public interface can be realized.

  Further, according to the present invention, the access control information indicating the user or application that can access the routing table or address conversion table is included in the routing table or address conversion table indicating the communication path when accessing the IP network. Since it is written, a virus, a hacking tool, a malicious user, or the like cannot change the communication path by changing the contents of the routing table or the address translation table.

  Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 is a block diagram showing a configuration of a network system in which a wireless LAN telephone device (communication terminal device) according to an embodiment of the present invention is used. The network system shown in FIG. 1 includes a wireless LAN telephone device 1, a game server (server) 2, a wireless LAN access point 3, routers 4a and 4b, an Internet network 5, gateways 6a and 6b, a public line network 7a, and a wireless public network 7b. , A subscriber telephone device 8, a public base station 9, and a wired LAN 10.

  As shown in FIG. 1, a wireless LAN access point 3 for constructing a wireless LAN, a router 4a, and gateways 6a and 6b are connected to a wired LAN 10. The wired LAN 10 is connected to the game server 2 via the router 4a, the Internet network 5, and the router 4b, and is connected to the subscriber telephone device 8 via the gateway 6a and the public line network 7a. It is connected to the public base station 9 via 7b.

  When the wireless LAN telephone device 1 is connected to the wireless LAN access point 3 by a wireless LAN, it can access each device on an IP (Internet Protocol) network such as the wired LAN 10 or the Internet network 5. For example, the game server 2 can be accessed through the wireless LAN access point 3, the wired LAN 10, the router 4a, the Internet network 5, and the router 4b. In addition, a technology called VoIP (Voice Over IP) for transmitting voice over the IP network is used to make a call with another VoIP telephone device (not shown) connected to the IP network, or the public network 7a and the IP It has a VoIP telephone function for making a call with the subscriber telephone apparatus 8 via the gateway 6a having a relay function for connecting to the network.

  The wireless LAN telephone device 1 transmits and receives radio signals to and from the public base station 9, and makes a call with another mobile phone device (not shown) via the wireless public network 7b. Further, it has a mobile phone function for making a call with the subscriber telephone device 8 via an exchange (not shown) or the public line network 7a.

  Further, the wireless LAN telephone device 1 transmits / receives a radio signal to / from the public base station 9, and via a wireless public network 7b and a gateway 6b having a relay function for connecting the wireless public network 7b and the IP network. It is also possible to access each device on the IP network. For example, the game server 2 can be accessed through the public base station 9, the wireless public network 7b, the gateway 6b, the wired LAN 10, the router 4a, the Internet network 5, and the router 4b.

  The game server 2 is a server that provides an online game service operated by a mobile phone company with which the user of the wireless LAN telephone device 1 has a telephone contract, and relays communication among a plurality of players participating in the online game. To do.

  The game server 2 also has a function as a Web server, and opens a home page corresponding to the World Wide Web (WWW) on the Internet network 5. Each player who intends to participate in the online game designates the URL (Uniform Resource Locator) of the homepage of the site established by the game server 2 from the communication terminal device used by himself / herself. When the user ID and password are entered there, an application for playing an online game provided by the game server 2 can be downloaded from the homepage. When the application is activated, the user can log in to the online game provided by the game server 2 and play the online game.

  Note that identification information on the IP network such as an IP address is assigned in advance to each device on the IP network such as the wireless LAN telephone device 1 and the game server 2.

  FIG. 2 is a block diagram showing a main configuration of the wireless LAN telephone device 1 shown in FIG. 2 includes a control circuit (control unit) 11, a display unit 12, an input unit 13, a memory (storage unit) 14, a wireless LAN transmission / reception unit (wireless LAN interface) 15, a wireless public transmission / reception unit ( (Radio public interface) 16, audio converter 17, speaker 18, and microphone 19.

  The display unit 12 includes, for example, an LCD (Liquid Crystal Display), and display based on the control of the control circuit 11 is performed on the LCD. The input unit 13 includes operation keys such as a numeric keypad and a cursor key. The control circuit 11 recognizes how the operation key of the input unit 13 is operated by the user of the wireless LAN telephone device 1. Processing corresponding to the key operation is executed according to a program stored in the memory 14.

  The memory 14 includes a storage element such as a ROM or a RAM, and stores an execution program executed by the wireless LAN telephone device 1. The memory 14 is used as a working memory for executing various execution programs, and stores an application, a routing table (route information), an address conversion table (route information) and the like which will be described later.

  The wireless LAN transmission / reception unit 15 receives a radio wave transmitted from the wireless LAN access point 3, and gives an IP packet (data format for transmission on the IP network) included in the received radio signal to the control circuit 11, The IP packet from the control circuit 11 is converted into a radio signal and sent to the wireless LAN access point 3.

  The radio public transmitter / receiver 16 receives a radio signal transmitted from the public base station 9, and gives the audio signal to the audio converter 17 if the received radio signal is an audio signal, and if the received radio signal is an IP packet, The IP packet is given to the control circuit 11. The voice signal from the voice conversion unit 17 is converted into a radio signal and sent to the public base station 9, and the IP packet from the control circuit 11 is converted into a radio signal and sent to the public base station 9.

  The control circuit 11 disassembles the IP packet given from the wireless LAN transceiver 15 or the wireless public transceiver 16 to obtain control data and voice data, and generates an IP packet obtained by packetizing the control data and voice data to be transmitted. To the wireless LAN transmitting / receiving unit 15 and the wireless public transmitting / receiving unit 16. The routing table and address conversion table stored in the memory 14 are also edited.

  The voice conversion unit 17 converts the voice data obtained by packet decomposition by the control circuit 11 and / or the voice signal converted from the radio signal received from the public base station 9 received by the wireless public transmission / reception unit 16 into an analog signal. To the speaker 18. Further, the analog audio signal input from the microphone 19 is converted into a digital audio signal and supplied to the control circuit 11, or the analog audio signal input from the microphone 19 is converted into a radio signal and supplied to the wireless public transmission / reception unit 16. To do.

  FIG. 3 is a block diagram showing a main configuration of the game server 2 shown in FIG. The game server 2 shown in FIG. 3 is configured by a personal computer, for example, and includes a control circuit 21, a display unit 22, an input unit 23, a memory 24, and a wired LAN I / F (interface) 25.

  The display unit 22 includes, for example, a CRT (Cathode Ray Tube) display, and display based on the control of the control circuit 21 is performed on the CRT display. The input unit 23 includes a keyboard having, for example, numeric keys, cursor keys, and character keys. The control circuit 21 recognizes how the operator of the game server 2 has operated the keyboard of the input unit 23. Then, the process corresponding to the operation is executed according to the program stored in the memory 24.

  The memory 24 includes storage elements such as a ROM, a RAM, and a hard disk, and stores an online game provided by the game server 2, an application for executing the game, various content information, and the like.

  The wired LAN I / F 25 takes in the IP packet sent through the router 4b and gives it to the control circuit 21, and sends out the IP packet from the control circuit 21 to the router 4b.

  The control circuit 21 disassembles the IP packet taken in by the wired LAN I / F 25 to obtain control data, generates an IP packet obtained by packetizing the control data to be transmitted, and gives the IP packet to the wired LAN I / F 25. For example, when an online game is being performed, such IP packet transmission / reception is performed by sending game input information for causing a player character to perform a game action in a game space from each communication terminal device via an IP network. This is performed when the game action of the corresponding player character is determined based on the game input information and the game image information generated based on the game character information is transmitted to each communication terminal device via the IP network. .

  Next, in the network system having such a configuration, an operation when an online game is played using the wireless LAN telephone device 1 will be described with reference to FIG. FIG. 4 is a flowchart showing an operation when an online game is played using the wireless LAN telephone device 1 in the network system shown in FIG.

  Here, an application (game A) for playing an online game provided by the game server 2 is already downloaded from the game server 2 to the wireless LAN telephone device 1 according to the procedure described above and stored (installed) in the memory 14. It is assumed that Such an application may be stored in a storage medium such as a CD (Compact Disc) or a DVD (Digital Versatile Disc), and can be installed from such a storage medium.

  First, when the user performs a predetermined operation on the input unit 13 to play an online game provided by the game server 2 (step S1), the control circuit 11 activates the game A stored in the memory 14 (step S2). Then, the routing table stored in the memory 14 is edited based on the contents of the program described in the game A (step S3).

  The contents of editing will be described with reference to FIG. FIG. 5 is a diagram for explaining the contents of the routing table. As is well known, the routing table includes an IP packet relay device (router), a terminal that communicates with TCP / IP, and the like, a partner to which an IP packet is to be sent next, and its own interface to which the IP packet is sent. The table to be specified. When sending an IP packet, the relay device or terminal always refers to this routing table to determine a partner and an interface to which the IP packet should be sent.

  In FIG. 5, 0.0.0.0/0 written in the destination column indicates a default route, and designates a default gateway to which an IP packet whose destination cannot be determined by itself should be transferred. In this case, an IP packet that is transmitted to an IP address other than the IP address described in the other destination field and cannot determine the destination is transmitted to the default gateway of the IP address described in the gateway field of the default route. . In this figure, the description of the gateway column is omitted.

  The interface column specifies the own interface to which the gateway for transferring the IP packet is connected. For example, an IP packet transmitted through the default route (0.0.0.0/0) is transmitted via the wireless LAN transmission / reception unit 15 because the wireless LAN is described in the interface column. In the interface column, the IP address assigned for the interface is described. In this figure, the IP address assigned for the wireless LAN transmitting / receiving unit 15 is indicated as wireless LAN. . Note that the default route is preset by the user or the like.

  The line written as 192.168.1.1/32 in the destination column is the contents written by the editing performed by the control circuit 11 in step S3. First, 192.168.1.1/32 in the destination column is the IP address of the game server 2. In addition, “wireless public” is written in the interface column of the row. This means that an IP packet transmitted to 192.168.1.1/32 is transmitted via the wireless public transmission / reception unit 16, and the IP address (interface information) originally assigned to the wireless public transmission / reception unit 16 is recorded. However, in this figure, it is described as a wireless public.

  Further, the name of the server described in the destination column is written in the comment column of that line. Further, information such as a name corresponding to the application activated in step S2 (application information, here, described as game A) is written in the effective application column of the row. Similarly, information such as the name of the online game corresponding to the application activated in step S2 (access control information, here referred to as game A) is written in the access control column of that line.

  The effective application column is that only when an IP packet is transmitted to the IP address described in the destination column of the row due to the execution of the application described in the column, the routing table of the row is changed. Indicates an application that is enabled. In this example, when the game server 2 (192.168.1.1/32) is accessed as the game A is executed, an IP packet is transmitted to the game server 2 (192.168.1.1/32) via the wireless public transmission / reception unit 16. When the access to the game server 2 (192.168.1.1/32) is not accompanied by the execution of the game A, the IP packet is transmitted to the game server 2 via the wireless LAN transmission / reception unit 15 which is the default route. Will be sent to (192.168.1.1/32).

  The access control column indicates a user or application that can access the routing table for editing such as changing or deleting the contents of the row. In this example, only the game A can delete this line, for example. By providing this access control column, it becomes impossible for a virus, a hacking tool, or a malicious user to change the contents of the routing table. In other words, it becomes impossible to change the communication path for access to the IP network.

  Then, when the game A is started (step S4), the control circuit 11 next checks whether or not a communication request to the IP network accompanying the execution of the game A has occurred (step S5). Next, it is confirmed whether or not the end operation of the game A is performed (step S6). If the end operation is performed, the operation ends. If not, the process returns to step S5.

  On the other hand, if a communication request is generated in step S5, the routing table is referred to (step S7). If the communication request is a communication request to the game server 2 (192.168.1.1/32) (step S7). YES), communication is performed via the wireless public transmission / reception unit 16 (step S9), and then the process returns to step S5. On the other hand, if the communication request is not a communication request to the game server 2 (192.168.1.1/32) (NO in step S7), communication is performed via the wireless LAN transmission / reception unit 15 (step S8), and then step S5. Return to.

  As described above, the wireless LAN telephone device 1 according to the present embodiment accesses the game server 2 for executing the game A through the wireless public transmission / reception unit 16, that is, the public base station 9, the wireless public network 7b, and the like. Communication is performed via a mobile phone line consisting of Thereby, a mobile phone company that operates the game server 2 and provides an online game service can obtain a line usage fee of the mobile phone line expected when the game A is used.

  Further, a malicious user changes the routing table of the wireless LAN telephone device 1 so as not to pay the line usage fee for the use of the game A, and accesses the game server 2 to the wireless LAN route. Even if it is going to be changed, the contents related to the communication to the game server 2 in the routing table can be changed only by a specific user or application described in the access control column as described above. Can not do it. Therefore, a mobile phone company that provides an online game service can always obtain a mobile phone line usage fee when the game A is used.

  In this embodiment, the communication path to the game server 2, that is, the interface is determined by editing the routing table. However, the communication terminal device that communicates with the IP network is only in the organization. It has an address translation table for transparently translating between common IP addresses (local addresses) and Internet addresses (global addresses). It is also possible to determine the communication path to the game server 2, that is, the interface, by editing in the same manner as the editing of the routing table.

  The wireless LAN telephone device 1 of the present embodiment has the wireless LAN transmission / reception unit 15 and the wireless public transmission / reception unit 16 as a plurality of interfaces for communication with the IP network. The number of communication interfaces included in the wireless LAN telephone device 1 is not limited to two.

  In addition, this invention is not limited to the above-mentioned embodiment, In the range which does not deviate from the meaning of this invention, it is possible to implement suitably changing the structure of each part.

1 is a block diagram showing a configuration of a network system in which a wireless LAN telephone device (communication terminal device) according to an embodiment of the present invention is used. It is a block diagram which shows the principal part structure of the wireless LAN telephone apparatus shown in FIG. It is a block diagram which shows the principal part structure of the game server shown in FIG. 3 is a flowchart showing an operation when an online game is played using the wireless LAN telephone device 1 in the network system shown in FIG. It is a figure for demonstrating the content of a routing table.

Explanation of symbols

1 Wireless LAN telephone device (communication terminal device)
2 Game server (server)
DESCRIPTION OF SYMBOLS 3 Wireless LAN access point 4a, 4b Router 5 Internet network 6a, 6b Gateway 7a Public line network 7b Wireless public network 8 Subscriber telephone apparatus 9 Public base station 10 Wired LAN
11 Control circuit (control means)
12 Display unit 13 Input unit 14 Memory (storage means)
15 Wireless LAN transceiver (wireless LAN interface)
16 Wireless public transceiver (wireless public interface)
17 Audio conversion unit 18 Speaker 19 Microphone 21 Control circuit 22 Display unit 23 Input unit 24 Memory 25 Wired LAN I / F

Claims (7)

A communication terminal device having a plurality of interfaces for communicating with an IP network and capable of executing an application that operates by accessing a server on the IP network,
Storage means for storing route information indicating a communication route when accessing the IP network;
In addition to performing control for executing the application, a specific one of the plurality of interfaces is used for communication with the IP network when accessing the server as the application is executed. Control means for editing the route information;
A communication terminal device comprising: The route information is a routing table;
The control means is in the routing table,
IP address of the server as a destination,
Interface information indicating the specific one interface as an interface used for communication to the IP address;
Application information indicating the application as an effective application indicating an application in which the IP address and the interface information are valid;
The communication terminal device according to claim 1, wherein: The control means includes, in the routing table, access control information indicating a user or an application that can access the routing table to edit any or all of the IP address, the interface information, and the application information. The communication terminal apparatus according to claim 2, wherein writing is performed. The route information is an address conversion table,
The control means is in the address conversion table,
IP address of the server as a destination,
Interface information indicating the specific one interface as an interface used for communication to the IP address;
Application information indicating the application as an effective application indicating an application in which the IP address and the interface information are valid;
The communication terminal device according to claim 1, wherein: The control means accesses the address conversion table indicating a user or an application that can access the address conversion table in order to edit any or all of the IP address, the interface information, and the application information. Information is written, The communication terminal device of Claim 4 characterized by the above-mentioned. The communication terminal apparatus according to claim 1, wherein the control unit edits the route information when the application is activated. 7. The communication terminal apparatus according to claim 1, wherein the specific one interface is a wireless public interface for performing communication via a wireless public network.

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