KR20100001202A - System and method for providing payment for contents of internet protocol television by using uncertain mobile terminal - Google Patents

Abstract

PURPOSE: A system and a method for paying contents of an internet protocol television using an uncertain mobile terminal are provided to enable a user to pay paid contents without concerns about privacy exposure. CONSTITUTION: A paid content information management unit(261) receives a request of paid contents from a user terminal. An intrinsic number management unit(263) generates an intrinsic key value for paying the paid contents. The intrinsic number management unit receives a payment key value from a payment server of a mobile communication company. A payment processing unit(267) determines whether the payment is effective by comparing the intrinsic key value with the received payment key value. The payment processing unit requests payment of the paid contents to the payment server of the mobile communication company.

Description

System and method for payment of contents of internet protocol TV using unspecified mobile terminal {SYSTEM AND METHOD FOR PROVIDING PAYMENT FOR CONTENTS OF INTERNET PROTOCOL TELEVISION BY USING UNCERTAIN MOBILE TERMINAL}

The present invention relates to a content payment system and method of Internet Protocol Television (IPTV), and more particularly, to an Internet protocol TV in a manner that prevents user exposure and improves the convenience of payment in a public place requiring personal privacy protection. Relates to a system and method for providing payment of paid content.

IPTV is a service that provides a variety of information, video content, and broadcasting on a television using the high-speed Internet, and IPTV is a type of digital convergence in that it is a convergence of the Internet and television. IPTV has no difference from general cable broadcasting or satellite broadcasting in that it provides broadcasting contents including video, but it is very different from general cable broadcasting or satellite broadcasting in that bidirectionality is added. The IPTV provides a variety of broadcast content to viewers, and since the viewers can watch the programs they want to watch at a desired time, their use is widely expanded. In order to watch paid content provided by such an IPTV service, the viewer needs to pay a fee for using the paid content.

In the conventional IPTV service, a set-top box, a smart card, and a subscriber's information, which are installed in a subscriber's home, are managed as one information for subscribers in a general residential area. In other words, the set-top box and the smart card were logically integrated, and the subscriber's information was added and managed as one. Therefore, the payment of the fee for using the paid content was made in the form of inputting a preset password through the set-top box.

However, if a third party uses IPTV in a property such as a motel or a hotel, the owner of the set-top box is the property and the content fee is paid by the property. Therefore, the third party enters a password through the set-top box. The method was difficult to be used as a payment method for paid content.

On the other hand, there was a method in which the lodging establishment charges separately at the time of departure for viewing of the paid content of the guest. In this case, the guest had to pay a fee offline in addition to watching the paid content. In particular, since the protection of personal privacy is important in the places such as lodging establishments and the guests are reluctant to expose themselves, the above payment method has become a factor that prevents the use of the paid contents of the guests in the lodging establishments.

As a prior art, Korean Patent Registration No. 10-0412510 discloses an invention entitled “Method for instant login and payment using a heterogeneous communication network and its system”. The present invention relates to a method and a system for authenticating a user who wants to use the service and performing a payment for using a predetermined paid content.

However, the prior art includes a step of inputting a number of a user's mobile communication terminal for authentication, and guests at a lodging facility do not want to enter their personal information, which is their personal information, in the set-top box of the lodging facility. In the end, there was a problem that prevented the use of paid content. In addition, even if the payment of the paid content, the payment is inconvenient because the payment is performed through several steps, such as entering the number of the mobile terminal and receiving the authentication number by the mobile terminal to perform the payment. Interfere with the use of the content.

An embodiment of the present invention provides a system and method for providing payment of contents of an Internet protocol TV that enables payment of paid contents while minimizing exposure of privacy in a public establishment such as a lodging establishment.

In addition, an embodiment of the present invention provides a system and method for providing a content payment of an internet protocol TV that can safely make payments through a mobile terminal while minimizing exposure of privacy.

As a technical means for achieving the above technical problem, a first aspect of the present invention is a paid content information management unit for receiving a request for paid content from a user terminal and transmitting a payment method selection screen to the user terminal, payment of the paid content Generates a unique key value for the mobile terminal and transmits the generated unique key value to the user terminal, and a viewer inputs a payment key value through a mobile terminal to a payment server of a mobile carrier based on the unique key value displayed on the user terminal; Determine the validity of the payment by determining whether the unique number management unit for receiving from the payment server of the mobile carrier and the transmitted unique key value and the received payment key value is the same, and the payment server of the mobile carrier A mobile terminal including a payment processing unit for requesting charging of content It yonghan provide content billing system for Internet Protocol TV.

In addition, the second aspect of the present invention comprises the steps of receiving a request for paid content from the user terminal, generating a unique key value for payment of the paid content in response to the request of the paid content, and transmitting to the user terminal, Receiving a payment key value transmitted by the mobile terminal to the payment server of the mobile carrier based on the unique key value displayed on the terminal from the payment server of the mobile carrier, the transmitted unique key value and the received payment key value And determining the validity of the paid content payment by determining whether the same is the same, and charging the fee of the paid content to the mobile communication company.

According to one of the problem solving means of the present invention described above, the viewer does not need to input the number of the mobile terminal of the viewer to the user terminal in order to pay for the paid content, so that the viewer at the lodging place or the like does not have to worry about exposure of his or her privacy. There is an effect that can be paid.

In addition, according to one of the other problem solving means of the present invention, a separate password is required when transmitting a payment key value using a mobile terminal, and the unique key value includes an ID value of the user terminal, an identification value of paid content, and the like. Since it is generated by using, it is effective to secure the safety of content payment.

In addition, according to one of the problem solving means of the present invention, by inducing the viewing of the paid content by solving the privacy exposure problem and payment security problem that prevents viewers from viewing the paid content using a place such as accommodation, From the standpoint, the business of paying content is improved, the profitability of the payment service is improved from the point of view of the mobile carrier, and the viewer can purchase and watch the paid content with confidence in the lodging place.

DETAILED DESCRIPTION Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings so that those skilled in the art may easily implement the present invention. As those skilled in the art would realize, the described embodiments may be modified in various different ways, all without departing from the spirit or scope of the present invention. In the drawings, parts irrelevant to the description are omitted in order to clearly describe the present invention, and like reference numerals designate like parts throughout the specification.

Throughout the specification, when a part is "connected" to another part, this includes not only "directly connected" but also "electrically connected" with another element in between. . In addition, when a part is said to "include" a certain component, which means that it may further include other components, except to exclude other components unless otherwise stated.

Hereinafter, the present invention will be described in detail with reference to the drawings.

1 is a detailed configuration diagram of a broadcast system of an Internet Protocol Television according to an embodiment of the present invention.

As shown in FIG. 1, an IPTV broadcasting system according to an exemplary embodiment of the present invention includes a broadcaster 100, a headend system 200, a network 300, a payment server 400, a user terminal 500, and the like. It includes a mobile terminal 600.

In addition, the headend system 200 may include a baseband system 210, a compression multiplexing system 220, a conditional access system (CAS) 230, a monitoring system 240, and a media operation core. MOC) 250, a content payment system 260, and a transmission / reception system 270.

The broadcaster 100 serves to produce, edit, and change broadcast content to provide to the headend system 200. The broadcaster 100 may include a program provider (PP), a terrestrial wave or a content provider (CP). In addition, the broadcast content provided by the broadcaster 100 may include existing broadcast content and rich content on the Internet.

The headend system 200 receives and manages broadcast content from the broadcaster 100 and distributes content to the user terminal 500 to provide broadcast / recording / playback services. The received broadcast content may include related additional information and an electronic program guide (EPG) for such additional information.

The headend system 200 includes EPG information (PSIP / PSI) including a subscriber concentrator, a broadcast video and audio signal, data broadcasting data, and a program recommendation service menu through a router supporting a multicast routing protocol. / SI information) can be transmitted to IP set-top boxes of multiple subscribers by multicasting.

The baseband system 210 receives a moving picture expert group 2 (MPEG2) broadcast signal from an external program provider (PP) or an analog broadcast signal from terrestrial waves, and receives the received source broadcast signal from a serial digital interface (SDI). Converts to signals, synchronizes frames, distributes broadcast video and audio signals from multiple broadcast channels (e.g. 100 channels) via routine switcher, subtitle generator (CG) and automatic programming By using an automatic program controller (APC), at least one of an advertisement, a logo, or a subtitle may be inserted (signal editing and processing) into the broadcast video and audio signal and transmitted to the compression multiplexing system 220.

The SDI (Serial Digital Interface) signal is, for example, a digital signal standard having a transmission rate of 270 Mbps, and a composite digital video and four channels of digital audio signals may be mixed.

The baseband system 210 basically converts and corrects a source signal received from a receiving device and a receiving device receiving a broadcast signal such as a program provider (PP), terrestrial wave, etc. into an SDI signal and synchronizing frames. Frame Synchronizer, Signal Splitter such as A / V Router that connects / concentrates all broadcasting signal channels for operation management, and Subtitles that edit and process signals by inserting advertisements, logos and subtitles into the SDI signals. It may include a character generator.

The compression multiplexing system 220 performs A / V encoder (A / V Encoder) on the basis of broadcasting channel and audio signal (Video, Audio) received from the baseband system 210 for each broadcasting channel (for example, 100 channels). ) To compress the SDI (Serial Digital Interface) video signal to H.264, and to compress the audio signal to MPEG-2 AAC to generate MPEG-2 TS (Transport Stream), and to compress compressed broadcast video and audio -2 after multiplexing data broadcasting data and EPG information (PSIP / PSI / SI information) generated by a data encoder and a PSI / SI generator together with the TS signal When the received MPEG-2 TS signal is used in the reception restriction technique, the TS-2 may be inputted to a scrambler, encrypted, and finally IP packetized to transmit an IP packetized TS (Transport Stream) broadcast signal.

Also, optionally, the reception restriction system 230 may be used to prevent illegal viewing and illegal copying of program recommended content.

The reception restriction system 230 performs encryption of the real-time channel and pre-encryption of the VOD content and controls viewing authority so that only the authenticated user can use the channel and the content. In order to prevent illegal copying of IPTV content, a digital rights management (DRM) scheme may be used instead of the reception restriction system 230.

The monitoring system 240 is a control system. The monitoring system 240 may monitor a transmission failure of an A / V broadcast signal for IPTV broadcasting, a reception failure by monitoring a downlink of the IPTV headend system 200, and confirmation of subtitles.

The media management system 250 is a system for managing various business process information (program organization information, location information, contract information, product information, etc.) for operating a broadcasting business. The media management system 250 integrates and manages the information flow through organic coupling with each system in the center of the broadcasting center.

The media management system 250 manages broadcast program organization information, content and media management information, contract information of a program provider (PP) and a content provider (CP), product information, and manages each system in the center of a broadcasting center. Through organic integration, it can act as a coordinator to manage and manage the flow of information.

In addition, the media management system 250 includes contract management in terms of acquisition, media and content metadata management, EPG information acquisition / management as broadcasting schedule information, and real time broadcasting and VOD in terms of operation. It provides channel organization management, agent management, interworking with each sub-system, VOD catalog creation management, and various product management.In terms of analysis, marketing analysis reporting, delivery such as settlement of CP / CA and subscriber viewing propensity, etc. In terms of broadcasting transmission monitoring, video server transmission management and VOD subscriber authentication, transmission result recording / management for settlement with CP / CA, and data synchronization with each sub-system interworked.

The content payment system 260 performs a process related to payment of the pay content in order to provide pay content to the user terminal. The content payment system 260 generates a unique key value for payment of the content and provides it to the user terminal 500. The content payment system 260 receives the payment key value transmitted by the mobile terminal 600 through the payment server 400 to perform the payment. The validity can be judged. The unique key value refers to an authentication code value generated by the content payment system 260 for accurate and secure payment of content, and the payment key value is transmitted from the mobile terminal 600 to the payment server 400 for payment of the content. The code value you provide. The content payment system 260 may receive the payment key value from the payment server 400. The detailed configuration, unique key value, and payment key value of the content payment system 260 will be described later.

The transmission / reception system 270 transmits and receives information necessary for payment of paid content with the payment server 400 and the user terminal 500.

The network 300 receives the broadcast content from the headend system 200, delivers the received broadcast content to the user terminal 500, and connects the payment server 400 and the headend system 200 to transmit and receive information. Serves to provide. The network 300 includes a backbone network and an access network, and the access network includes Ethernet, xDSL (ADSL, VDSL), Hybrid Fiber Coaxial Ca (HFC), and Fiber To The Curb), and may be configured in any one topology of a fiber to the home (FTTH) structure.

The payment server 400 receives a payment key value from the mobile terminal 600 for payment of the paid content and provides the payment key value to the content payment system 260, and charges a fee for using the paid content to the user of the mobile terminal 600. It plays a role. The payment server 400 may exist in, for example, a service system of a mobile communication company (not shown), and may transmit and receive information necessary for payment with the mobile terminal 600.

The user terminal 500 is an apparatus for using an Internet broadcasting service, and generally includes an IPTV, a set top box (STB), and a remote controller. The IPTV outputs broadcast content received from the headend system 200 and transmits a user response signal received through the remote controller to the headend system 200 through a return channel of the set top box. The user terminal may use any one of a TV with an IP STB or an IP set-top box (IP STB), a computer, a notebook, or a personal portable terminal connected to the user's TV.

The mobile terminal 600 provides a payment key value for payment of paid content to the payment server 400 and pays a fee for using the content. The mobile terminal 600 is a terminal capable of communicating with a service system of a mobile communication company, and includes, for example, a mobile phone and a personal digital assistant (PDA).

Hereinafter, a detailed configuration of the content payment system 260 according to an embodiment of the present invention will be described with reference to FIG. 2.

2 is a detailed configuration diagram of a content payment system 260 according to an embodiment of the present invention.

As shown in FIG. 2, the content payment system 260 according to an embodiment of the present invention includes a paid content information management unit 261, a unique number management unit 263, a time information management unit 265, and a payment processing unit 267. It includes.

The paid content information management unit 261 manages the paid content and the paid content information related to the payment method of the paid content. The paid content information includes, for example, the title of the paid content, the total playing time, the usage fee of the content, the method of payment of the content, and the like. Meanwhile, the paid content information management unit 261 transmits a payment method selection screen to the user terminal 500 so as to select a content payment method when receiving a request for paid content from the user terminal 500, and the user terminal 500. The payment method of the content input by the viewer can be received and stored.

The unique number manager 263 manages a unique key value and a payment key value for payment of paid content. The unique key value refers to an authentication key value generated by the unique number management unit 263 for secure payment of paid content, and the payment key value is provided from the mobile terminal 600 to the payment server 400 for payment of the paid content. The authentication key value.

The unique number manager 263 generates a unique key value for payment of the paid content, transmits the generated unique key value to the user terminal 500, and transmits the payment key value transmitted by the mobile terminal 600 to the payment server 400. Can be received. In addition, if a specific time elapses from the time when the unique key value is provided to the user terminal 500, the unique number manager 263 invalidates the provided unique key value and generates a new unique key value. 500).

The unique number management unit 263 combines, for example, the identification value of the paid content, the identification value (ID) of the user terminal 500, the request time of the paid content, and the like by using a specific algorithm to combine the unique key value. Can be generated. In addition, the unique key value may be generated, for example, in the form of a combination of one or more of numbers, letters, and special characters. On the other hand, the payment key value, for example, is transmitted to the payment server of the mobile carrier through the SMS (Short Message Service), MMS (Multimedia Message Service) of the mobile terminal 600 or the hot key (Hot-) of the mobile terminal key) to a payment server of the mobile communication company.

Meanwhile, the payment key value may include a unique key value and a password for identifying the user of the mobile terminal 600. When the payment key value includes a password for identifying the user of the mobile terminal 600. Only can be effectively transmitted to the payment server. The password may be a preset value between the mobile communication company and the user of the mobile terminal 600, and a third party who is not a user of the mobile terminal 600 may not know the password, thereby ensuring the security at the time of content payment. . The user of the mobile terminal 600 registers the password on the user management homepage of the mobile communication company, or sends the password to the server of the mobile communication company using the SMS, MMS or hot key function of the mobile terminal. You can also register.

In addition, the mobile terminal 600 may transmit a payment key value only when a preset password is input to the mobile terminal 600. Therefore, a third party who is not a user of the mobile terminal 600 may not know the password required for transmitting the payment key value, thereby ensuring the security of content payment.

Therefore, the paid content can be securely paid using the unspecified mobile terminal 600 without the method of transmitting a specific authentication key value to the specific mobile terminal.

The time information manager 265 manages information regarding the time at which various procedures for payment of paid content are performed. The time information management unit 265 may be, for example, a time when the unique number management unit 263 transmits a unique key value, a time when the unique number management unit 263 receives a payment key value from the payment server 400, and a unique key. Information regarding the time taken to transmit the value and receive the payment key value can be managed.

The payment processor 267 compares the unique key value and the payment key value, determines whether the payment is valid, and performs payment of the paid content. If the payment processing unit determines that payment of the paid content is valid, the payment processing unit may request the billing and settlement of the content usage fee to the payment server 400.

The payment processing unit 267 receives a unique key value and a payment key value related to a specific content from the unique number management unit 263. For example, the payment processor 267 may be configured to generate a unique key value and the payment key value of the mobile terminal 600. When the value of the portion except for the password for identifying the user is identical, the payment of the paid content may be determined to be valid.

In addition, the payment processing unit 267 receives the transmission time of the unique key value and the reception time of the payment key value from the time information management unit 265, and the payment key value is received before a specific time elapses from the transmission time of the unique key value. If it is received, it can be determined that the payment is valid.

Therefore, by providing a unique key value on the screen of the user terminal 500 and by allowing the paid content to be paid through the mobile terminal 600 of the unspecified only within a specific time, it is possible to secure the security of the content payment.

Hereinafter, an information flow between systems for providing payment of content using an unspecified mobile terminal according to an embodiment of the present invention will be described with reference to FIG. 3.

3 is a diagram illustrating an information flow between systems for providing payment of content using a mobile terminal according to an embodiment of the present invention.

First, when the user terminal 500 requests the paid content to the content payment system 260 (S300), the content payment system 260 provides a payment method selection screen to the user terminal 500 (S302).

Thereafter, when the user terminal 500 selects a mobile phone payment method for payment through the mobile terminal 600 (S304), the content payment system 260 generates a unique key value for content payment and the user terminal 500 In step S306, the time when the unique key value is transmitted is recorded (S308).

Thereafter, the viewer who confirms the unique key value through the user terminal 500 transmits the payment key value to the payment server 400 through the mobile terminal 600 (S310). Meanwhile, the payment key value is provided from the payment server 400 to the content payment system 260 (S312), and the content payment system 260 stores a time at which the payment key value is received (S314).

Thereafter, the content payment system determines whether the payment using the mobile terminal 600 is valid (S316), and if the payment is valid, requests the payment server 400 to charge a fee for using the paid content (S318).

Thereafter, the payment server 400 performs charging to the payment account of the mobile terminal 600 (S320) and informs the content payment system 260 that the charging is completed (S322). The charging may be performed by a method of charging in real time in the payment account of the mobile terminal 600, or may be performed by being added to the terminal usage bill of the mobile terminal 600 and billed together.

Thereafter, the content payment system 260 notified of the completion of the billing allows the content to be provided to the user terminal 500 in the headend system 200 (S324), and requests the settlement server 400 to settle the fee. (S326).

Hereinafter, a method for providing payment of paid content using an unspecified mobile terminal according to an embodiment of the present invention will be described with reference to FIG. 4.

4 is a detailed flowchart illustrating a method for providing payment of paid content using an unspecified mobile terminal according to an embodiment of the present invention.

First, the content payment system 260 receives a request for paid content from the user terminal 500 (S400), or determines whether the payment method through the mobile terminal of the unspecified person (S402).

As a result of the determination (S402), when the payment method through the mobile terminal of the unspecified person is not selected, the fee for using the content is paid through another payment method (S404), and the payment method through the mobile terminal of the unspecified person is selected. In operation S406, a unique key value is generated and provided to the user terminal.

Thereafter, when the user transmits the payment key value to the payment server 400 using the mobile terminal, the content payment system 260 receives the payment key value from the payment server 400 (S408).

Thereafter, it is determined whether the payment key value is received within a specific time from the time when the unique key value is provided (S410).

As a result of the determination (S410), when the payment key value is received after a specific time elapses, the user terminal notifies that the time for inputting the payment key has been exceeded (S412), and repeats step S406. When the payment key value is received, it is determined whether the content payment is valid (S414). The content payment system 260 may, for example, exclude a password identifying a user of the mobile terminal 600 from a unique key value provided to the user terminal 500 and a payment key value received from the payment server 400. If the values of the parts match, it can be determined that payment of the content is valid.

As a result of the determination (S414), if the payment of the content is not valid, the user terminal notifies the payment of the content is not valid (S416), and repeats step S406, and if the payment of the content is valid, use of the content The billing and settlement of the fee is requested to the payment server (S418).

One embodiment of the present invention can also be implemented in the form of a recording medium containing instructions executable by a computer, such as a program module executed by the computer. Computer readable media can be any available media that can be accessed by a computer and includes both volatile and nonvolatile media, removable and non-removable media. In addition, computer readable media may include both computer storage media and communication media. Computer storage media includes both volatile and nonvolatile, removable and non-removable media implemented in any method or technology for storage of information such as computer readable instructions, data structures, program modules or other data. Communication media typically includes computer readable instructions, data structures, program modules, or other data in a modulated data signal such as a carrier wave, or other transmission mechanism, and includes any information delivery media.

The foregoing description of the present invention is intended for illustration, and it will be understood by those skilled in the art that the present invention may be easily modified in other specific forms without changing the technical spirit or essential features of the present invention. will be. Therefore, it should be understood that the embodiments described above are exemplary in all respects and not restrictive. For example, each component described as a single type may be implemented in a distributed manner, and similarly, components described as distributed may be implemented in a combined form.

The scope of the present invention is shown by the following claims rather than the above description, and all changes or modifications derived from the meaning and scope of the claims and their equivalents should be construed as being included in the scope of the present invention. do.

1 is a detailed configuration diagram of a broadcast system of an Internet Protocol Television according to an embodiment of the present invention.

2 is a detailed configuration diagram of a content payment system 260 according to an embodiment of the present invention.

3 is a diagram illustrating an information flow between systems for providing payment of content using a mobile terminal according to an embodiment of the present invention.

4 is a detailed flowchart illustrating a method for providing payment of paid content using an unspecified mobile terminal according to an embodiment of the present invention.

* Description of symbols on the main parts of the drawings.

100: broadcaster 200: headend system

210: baseband system 220: compression multiplexing system

230: reception restriction system 240: monitoring system

250: media management system 260: content payment system

261: paid content information management unit 263: unique number management unit

265: time information management unit 267: payment processing unit

300: network 400: payment server

500: user terminal 600: user terminal

Claims (12)

In the content payment system of the Internet protocol TV using a mobile terminal, A paid content information management unit which receives a request for paid content from a user terminal and transmits a payment method selection screen to the user terminal; Generates a unique key value for payment of the paid content and transmits the generated unique key value to the user terminal, and the viewer to the payment server of the mobile carrier through the mobile terminal based on the unique key value displayed on the user terminal Unique number management unit for receiving the payment key value to enter from the payment server of the mobile carrier and The payment processing unit for comparing the transmitted unique key value and the received payment key value to determine the validity of the payment, and requesting the payment of the paid content to the payment server of the mobile carrier. Content payment system comprising a. The method of claim 1, Further comprising a time information management unit for managing information about the time of transmitting the unique key value and the time of receiving the payment key value And the payment processing unit determines that the payment is invalid when the payment key value is received after a specific time elapses from the time when the unique key value is transmitted. The method of claim 1, And the payment key value can be transmitted to the payment server only if it includes a password identifying the user of the mobile terminal. The method of claim 1, The mobile terminal can transmit the payment key value to the payment server only when a specific password is input to the mobile terminal. The method of claim 1, And the unique number manager generates the unique key value using at least one of an ID value of the user terminal, time information for requesting the paid content, and an identification value of the paid content. The method of claim 1, The payment key value received by the unique number management unit is a content payment system that is transmitted from the mobile terminal to the payment server of the mobile carrier through SMS (Short Message Service), MMS (Multimedia Message Service). The method of claim 1, The payment key value received by the unique number management unit is transmitted to the payment server of the mobile communication company by a communication means using a hot key (Hot-key) of the mobile terminal. In the content payment method of the Internet protocol TV using a mobile terminal, Receiving a request for paid content from a user terminal, Generating a unique key value for payment of paid content in response to the request of the paid content and transmitting the generated unique key value to the user terminal; Receiving a payment key value transmitted by the mobile terminal to a payment server of a mobile carrier based on the unique key value displayed on the user terminal; Determining the validity of the paid content payment by comparing the transmitted unique key value with the received payment key value; Charging a fee for the paid content to the mobile communication company Content payment method comprising a. The method of claim 8, The step of determining whether the payment is valid And determining whether the payment key value is received within a specific time from when the unique key value is transmitted. The method of claim 8, The payment method of the content is that the payment of the content is valid only when the payment key value includes a password identifying the user of the mobile terminal. The method of claim 8, The generating of the unique key value may include generating the unique key value using any one or more of an ID value of the user terminal, time information requesting the pay content, and an identification value of the pay content. The method of claim 8, The paid content payment method is a content provided through a user terminal of a public establishment.

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