KR20060019499A - Toll-free communication methode and portable device for toll-free communication - Google Patents

Abstract

The present invention relates to a free calling method by sending a message and a portable terminal for free calling by sending a message. Encrypting and transmitting the data through a wireless paging service or a text message service of a mobile communication; acquiring its own Internet address information at a receiving side; and decrypting the encrypted internet address information received from a transmitting side at the receiving side. And transmitting the receiving side internet address information to the transmitting side through a wired or wireless internet network by using the transmitting side internet address information decoded at the receiving side, and obtaining at the transmitting side and the receiving side, respectively. To make an internet streaming call using a single internet address. Relates to a portable terminal for a free call by way free call by a message transfer, characterized in that the transmission and message.

According to the present invention, there is an advantage that a mobile mobile call can be made at a low rate or for free.

Send messages, free calls, internet,

Description

Free call method by message transmission and mobile terminal for free call by message transmission. {Toll-Free Communication Methode and Portable Device for Toll-Free Communication}

1 is a flowchart illustrating a free calling method by message transmission according to an embodiment of the present invention.

2 is a configuration diagram of a mobile terminal for free calling by message transmission according to another embodiment of the present invention.

3 is a configuration diagram of a camera for a mobile terminal for free calling by message transmission according to another embodiment of the present invention

4 is an external perspective view of a camera for a portable terminal for free calling by message transmission according to another embodiment of the present invention.

5 is an external perspective view of a camera for a portable terminal for free calling by message transmission according to another embodiment of the present invention.

6 is an external perspective view of a mobile terminal for free calling by message transmission according to another embodiment of the present invention.

7 is an external perspective view of a screen display unit and a keyboard of a mobile terminal for free calling by message transmission according to another embodiment of the present invention.

<Description of Symbols Used in Main Parts of Drawing>

100: mobile terminal main body 110: cellular communication radio modem function

111: baseband processor 112: baseband processor

113: peripheral device 114: wireless processing unit

115: antenna 120: wired / wireless Internet function

130: wireless call network service receiving function

140: memory section

200: camera body portion 210 serial data communication controller portion

230: wireless processing module unit 240: antenna

250: audio input processor 251: audio output processor

260: speaker 270: connector

280: serial data communication cable 290: clip

300: lens barrel rotating portion 310: lens barrel rotating portion

320: image sensor unit

400: display device unit 410: display device rotation coupling unit

420: lock / unlock / lock

450: character input device 460: sliding guide

470: horizontal projection

The present invention relates to a free calling method by sending a message and a portable terminal for free calling by sending a message, and more particularly, a step of acquiring its own Internet address information at a calling party, and receiving at the calling party's Internet address information. Encrypting and transmitting the data through a wireless paging service or a text message service of a mobile communication; acquiring its own Internet address information at a receiving side; and decrypting the encrypted internet address information received from a transmitting side at the receiving side. And transmitting the receiving side internet address information to the transmitting side through a wired or wireless internet network by using the transmitting side internet address information decoded at the receiving side, and obtaining at the transmitting side and the receiving side, respectively. To make an internet streaming call using a single internet address. The present invention relates to a free calling method by message transmission and a mobile terminal for free calling by message transmission.

In the case of the communication by the conventional mobile phone, a lot of call charges have been imposed when the call frequency is high or the call time is long. In an attempt to reduce such a call fee, a call method using the Internet and a personal computer has been proposed and executed. However, such a conventional method is based on the use of a personal computer. In addition, even when attempting to make a call using the Internet using a portable notebook computer, the size of the portable notebook is too large and heavy compared to a general portable phone, and there is a problem that calls using the Internet while moving are hardly effective.

The present invention has been made to solve the above problems, the step of acquiring its own Internet address information at the calling party, the wireless calling service or a text message service of the mobile communication to the receiving party to the calling party's Internet address information; Encrypting and transmitting the information, obtaining the Internet address information of the recipient at the receiving side, decrypting the encrypted Internet address information received from the transmitting side at the receiving side, and transmitting the Internet decrypted at the receiving side. Transmitting the Internet address information of the receiving party to the transmitting party through a wired or wireless Internet network using address information, and performing an internet streaming call using the Internet address information obtained from the transmitting and receiving parties in the step. Free call by message transmission, characterized in that consisting of steps It offers free calls for a mobile terminal according to the law, and messages sent to, and easy portability on the go, and aims to enable free calls cheap.

In order to achieve the above object, the present invention comprises the steps of obtaining its own Internet address information at the calling party, and transmitting the calling party's Internet address information to the receiving party through a wireless calling service or a text message service of mobile communication. Acquiring its own Internet address information at the receiving side, decrypting the encrypted Internet address information received from the transmitting side at the receiving side, and using the decrypted sending side Internet address information at the receiving side Transmitting the receiving side internet address information to the transmitting side through a wired or wireless internet network, and making an internet streaming call by using the internet address information obtained at the transmitting side and the receiving side, respectively. It is characterized by.

In addition, the mobile terminal main body 100 and the mobile terminal main body 100, the baseband processing unit 111, the wireless processing unit 114 connected to the baseband processing unit 111, and the wireless processing unit The mobile communication radio modem function unit 110, which is composed of an antenna 115 connected to the 114, and is connected to the mobile communication radio modem function unit 110, and obtains Internet address information from a transmitting side and a receiving side, respectively. And a wired / wireless internet function unit 120 for performing an internet streaming call using the obtained internet address information, the mobile communication radio modem function unit 110 and the wired / wireless internet function unit ( 120 is connected to, and transmits the transmission and transmission of the Internet address information obtained through the wired / wireless Internet function unit 120 to the receiving party encrypted through a wireless call service or a text message service of mobile communication Outgoing service function unit 130, the mobile communication radio modem function unit 110 and the wired / wireless Internet function unit 120 and the memory unit 140 connected to the wireless call network service function unit 130 It is characterized by.

Hereinafter, with reference to the accompanying drawings, a free call method by the message transmission according to an embodiment of the present invention and a mobile terminal for free calls by message transmission will be described in detail.

As shown in FIG. 2, the mobile terminal 100 for free calling by transmitting a message of the present invention includes a mobile terminal main body 100, a mobile communication radio modem function unit 110, and a wired / wireless internet function unit 120. , A wireless call network service receiving function unit 130 and a memory unit 140. In addition, the free call method according to the message transmission of the present invention, as shown in the flow chart of Figure 1, performs a free call through the following process.

First, all mobile terminals 100 (eg, PDA, smartphone, Web Pad, Tablet PC, general notebook, sub notebook, PMP, etc.) including a general mobile phone equipped with the free call method function of the present invention operate as a receiving side. The case will be described. When the power of the portable terminal 100 is turned on, the portable terminal 100 is provided with wired internet (ADSL, VDSL, high speed internet network such as cable) or wireless internet (WiBro, WLAN, PAN, NESPOT). Etc.) by connecting to the Internet through the connection function unit (hereinafter referred to as "wired / wireless Internet function unit 120"), the MAC address (Physical Address), Default Gateway, DHCP from the ISP (Internet Service Provider) Obtains Internet address information including one or more of server, DNS Servers information, etc., and static or dynamic IP addresses, or consists of only static or dynamic IP addresses. (Hereinafter referred to as "IP information") is obtained and stored in a specific area of the memory unit 140. Subsequently, the "call request signal" composed of an encrypted character form of "my IP information transmission request signal (eg REQ)" along with "party IP information + other information (eg telephone number)" is cellular. Waiting for reception through the communication radio modem modem function unit 110 or the wireless call network service receiving function unit 130, and when the call request signal is received, decrypts the encryption code of the call request signal to the other party's Internet address. Obtain information. In this case, it is preferable to store the other party's IP information and other information in the free list of the memory unit 140. In this case, when the portable terminal 100 on the receiving side is connected to the Internet, a "call answering message (consisting of IP information + other information)" is obtained using the obtained "party IP information". (E.g., FTP, Telnet, etc.) to the other party, and waits for the reception completion signal (e.g., ACK) of the "call answer text message" from the other party. When the reception completion signal is received, a free call is performed by forming a wired / wireless internet streaming call path (for example, a peer-to-peer call) using the acquired counterpart's IP information. However, if a reception completion signal is not received even after a certain time (eg 0.1 seconds), the transmission is requested again. If not, the call is forcibly terminated.

If the mobile terminal 100 on the receiving side is not connected to the Internet, it notifies the user that there is a free call request (eg, wants a free call), and checks whether a "call request signal" is received.

On the other hand, when the portable terminal 100 of the present invention operates as a transmitting side, a call signal by the user ("phone number of the other portable terminal + call (call / receive)" when the portable terminal is turned on (ON) Button "] is generated, it is searched whether the input telephone number is in the relative telephone number list of the free list stored in the memory unit 140. If the telephone number entered is not in the relative telephone number list of the free list stored in the memory unit 140, "call request message" [= my IP information + other information [for example, telephone number] + other party IP information transmission request signal (E.g., REQ), and converts it into an encryption code form, and then sends it to the other party through the cellular communication radio modem modem function unit 110 or the wireless call network service receiving function unit 130. Thereafter, when the other party receives the " call answering message " (IP information + other information, etc.) by the data communication method of the Internet network, the memory unit stores the other party's IP information obtained through the wired / wireless Internet function unit 120. Stored in the "free list" of 140 and transmitting a reception completion signal (e.g., ACK) of the "call answering message" by the data communication method of the Internet network, and then using the obtained IP information of the other party Form free internet calls (e.g., peer-to-peer calls).

On the other hand, if the input telephone number is in the relative phone number list of the free list stored in the memory unit 140 and the other party's IP information, check whether the Internet streaming call is possible using the other party's IP information in the free list, If possible, make a free call by establishing a wired / wireless internet streaming call path (for example, a peer-to-peer call) using the acquired counterpart's IP information.

If you do not receive a "answer call" message for a certain period of time (e.g. 0.1 seconds) using the data communication method of the internet network, inform the user that free calls are not available (e.g., no answer), and if the internet streaming call is not available The user is informed that a free call is not possible (for example, there is a problem with the line), and the user enters a mobile phone call through the mobile radio modem function unit with the other party by inputting the telephone number.

Meanwhile, as shown in FIG. 1, the portable terminal 100 equipped with the free calling method function of the present invention monitors whether there is a change in its IP information at a predetermined period (for example, 0.01 seconds), When the IP information is changed, the changed contents are immediately updated and stored in the memory unit 140, and the information is broadcast to the other party (s) stored in the free list (free call list of available phone numbers + IP information list + other information). It is desirable to be able to cast and send. In addition, when there is a request for updating the other party's IP information from the other party, it is preferable to receive the updated partner IP information so as to update its own free list.

In addition, the free call phone to the memory unit 140 by the operation of generating a free call phone number of the user (when the mobile terminal is turned on) (for example, input of "phone number button + free call button + save button"). A number is generated, and it is desirable to make a new and additional storage of the generated telephone number in the "list of freely available telephone numbers", and also to edit (delete, etc.).

On the other hand, the portable terminal 100 is provided with an external RF module integrated camera device that can send and receive data in a serial data communication method using a serial data communication (eg, USB) cable as shown in FIGS. 3 and 5. can do. The external RF module integrated camera device is characterized in that the antenna of the prior art to receive a broadcast radio wave (eg, satellite DMB wave, terrestrial DMB wave, etc.) or Internet service radio wave (eg, portable Internet, wireless LAN, etc.) By adjusting the size, the reception sensitivity (rate) can be improved, and since the antenna 240 is directly connected to the RF module 230, a separate cable for connecting the antenna is not required. In addition, to solve the problems of the conventional USB camera (e.g., low resolution, bad lens, no optical zoom function, etc.) image sensor unit of the optical zoom (e.g. 10 times, 20 times, etc.) function ( A lens barrel part 300 having a built-in 320, and a lens barrel rotating part 310 for connecting the lens barrel part 300 and the camera body part 200, and allowing the lens barrel part to rotate / fix at a desired angle, are provided. can do. Meanwhile, in order to minimize mutual interference with the image sensor unit 320 of the lens barrel unit 300, the antenna 240 and the radio processing (RF) module unit 230 may be serially separated so that they can be separated in a circuit. It is preferable that the communication controller 210 is installed in the camera body 200. Both sides of the camera body 300 may be provided with a speaker 260 for outputting audio from the outside or inside through an audio output processing unit 251, the camera body for recording video including audio It is preferable to configure the audio input processing unit 250 including a microphone on one side (eg, front, back or bottom) of the 200. And the antenna 240 can be adjusted (extended or reduced) the length in order to improve the reception sensitivity, and the pop-up method to lay the antenna by placing a folding node 241 so that it can be folded and reduced for easy portability It is preferable to use an antenna of.

On the other hand, it is preferable to attach the rotatable clip (clamp) 290 to the camera body 200 so that the external RF module integrated camera device can be easily fixed to the portable terminal.

The mobile terminal 100 is to solve the problems (for example, the keyboard is small, less embroidery, difficult to input, etc.) of the character input device (eg keyboard), such as a conventional mobile phone, PDA, smart phone, 6 and 7, the character input device pulls while sliding the sliding guide 460 provided on both sides of the inside of the main body of the character input device 450 from the portable terminal main body 100 in a sliding manner It is desirable to have a structure that can be pulled out or pushed in. In addition, when the character input device 450 is removed, the bottom surface thereof is placed parallel to the main body 100 of the mobile terminal 100 on a horizontal line so that the user does not have any inconvenience in key input, as shown in FIG. 7. A horizontal protrusion 470 may be provided under the end portion of the character input device 450 to be parallel to the bottom surface of the main body 100 of the portable terminal.

In addition, the mobile terminal 100 has a small screen size (for example, 2.2 inches, 2.8 inches, etc.), a low resolution (for example, CIF class, etc.), and a screen of a conventional mobile phone, PDA, smart phone, etc. In order to provide a screen that can be rotated while providing a screen size of 3.5 inches or more and a VGA or higher resolution in order to solve a problem such as not being able to rotate properly, the method used in the conventional notebook as shown in FIG. The position of the display device rotating action portion 410 of the portable terminal main body 100 is provided below, the display device rotation action portion 410 can be locked and unlocked when opened and closed, when closed Preferably, the locking / release / fixing device 420, which may serve to fix, may be provided at an upper end of the display device 400.

As described above, in the case of the present invention, there is an advantage that the call can be easily carried out on the move using a small terminal for a low fee or free of charge. In addition, the detachable camera unit can obtain a clearer high-definition image than the conventional method, it is possible to use an antenna that can adjust the length, there is an advantage that can use a better radio transmission and reception environment. In addition, it is equipped with a character input device that can be slidably stored in a small sized mobile terminal, which enables the use of various types of input keys for convenient and quick key input, and the display screen can be adjusted at a convenient angle. There is an advantage.

Claims (6)

Acquiring its own Internet address information at the calling party; Encrypting and transmitting the sender's Internet address information to a receiver through a wireless paging service or a text message service of mobile communication; Acquiring its own Internet address information at the receiving side; Encrypted Internet address information received from the sender at the receiver Decrypting; Transmitting the receiving side internet address information to the transmitting side through a wired or wireless internet network by using the transmitting side internet address information decrypted at a receiving side; Making an internet streaming call using the internet address information obtained at the transmitting side and the receiving side, respectively; Free call method by message transmission, characterized in that consisting of. The method according to claim 1, And storing the calling-side Internet address information, the receiving-side Internet address information, and other information included in the database into a toll-free call list. The method according to claim 2, When the calling party's Internet address information or the called party's Internet address information is updated, updating and storing the updated Internet address information in the toll free call list, and delivering the updated Internet address information to the other party; Free call method by message transmission, characterized in that configured. A mobile terminal main body 100; A baseband processor 111, a wireless processor 114 connected to the baseband processor 111, and an antenna 115 connected to the wireless processor 114. A mobile communication radio modem function unit 110 configured; Wired / wireless Internet connected to the mobile communication radio modem function unit 110 to enable the sender and the receiver to obtain Internet address information, and to perform an internet streaming call using the obtained Internet address information. Functional unit 120; It is connected to the mobile communication radio modem function unit 110 and the wired / wireless internet function unit 120, and wirelessly transmits the calling party's Internet address information obtained through the wired / wireless internet function unit 120 to a receiving side. A wireless call network service function unit 130 for transmitting an encrypted service through a paging service or a text message service of mobile communication; A memory unit 140 connected to the mobile communication radio modem function unit 110, the wired / wireless internet function unit 120, and the wireless call network service function unit 130; Free call mobile terminal by message transmission, characterized in that consisting of. The method according to claim 4, A camera body 200 configured to be detachable using a clip 290 on the portable terminal main body 100 and to form a space in which a lens barrel 300 may be rotated and received in a central portion thereof; A serial data communication controller 210 embedded in the camera body 200; A memory unit 220 connected to the serial data communication controller 210; A wireless processing module unit 230 connected to the serial data communication controller unit 210 and the memory unit 220; An antenna 240 connected to the wireless processing module 230 and capable of adjusting a length in a pop-up manner; An audio input processor 250 connected to the serial data communication controller 210; An audio output processor 251 connected to the audio input processor 250 and provided in the camera body 200; A speaker 260 connected to the audio output processor 251 and attached to the outside of the camera body 200; A connection connector 270 connected to the serial data communication controller 210; A serial data communication cable 280 detachable to the connection connector 270; A clip 290 attached to the outside of the camera body 200 to enable the camera body 200 to be rotatably coupled to the portable terminal 100; A lens barrel 300 coupled to a central space of the camera body 200 through a lens barrel rotating unit 310 and having an image sensor unit 320 therein; The mobile terminal for free calling by message transmission, characterized in that it further comprises. The method according to claim 4, It is coupled to the hinge structure by the display device rotation coupling unit 410 on one side of the upper surface of the mobile terminal main body 100, the lock / release / fixing device 420 is installed and fixed to the mobile terminal main body 100 A screen display unit 400 capable of; A character input device 450 having a sliding guide 460 in the inside of the mobile terminal main body 100 to be slidable and having a horizontal protrusion 470 formed on its front surface; The mobile terminal for free calling by message transmission, characterized in that it further comprises.

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