TWI474710B - Method of charging for offline access of digital content by mobile station - Google Patents

Description

Charging method and system for mobile communication device using digital content offline

The present invention relates to a charging method for digital content of a mobile communication device, and more particularly to a charging method for using digital content when a mobile communication device is offline.

The use of digital content on mobile communication devices, such as mobile phones, is currently the trend. However, users of mobile communication devices often use digital content when offline, and it is not easy to count the usage time of the user. Therefore, the mobile telecommunication service provider can only provide the fee according to the number of times or the monthly fee, thereby causing the user to think that The cost is too high to be willing to continue using digital content. However, digital content providers are reluctant to continue to develop digital content that is more valuable but has higher development costs when the profit is too small. Such a vicious circle is not conducive to the industrial development of digital content. Therefore, it is necessary to make a correct record for the user's use time when offline, and to calculate the reasonable price of the digital content according to the time of use, and to promote the industrial development of digital content.

In the digital rights management (DRM) of mobile phones, there are currently 1.0 and 2.0 versions of the specification. For the circulation of digital content, there are three transmission methods, namely, Forward Lock and Consolidated Transfer. Combined Delivery) and Separate Delivery. In the restricted transfer and merge transfer mode, the digital content is packaged into a file, and the user is authorized to download the file. In the separate propagation mode, after downloading the file, the user must also perform a server connection, and the digital content can be used after obtaining the copyright information. This is quite different from the authorization of the present invention to obtain digital content.

In the patent related to digital content management, the method disclosed in the Republic of China Patent No. I249330 provides content charging, access restriction and web browsing functions for prepaid and monthly payment users of the wireless mobile communication network system. However, the method of the invention achieves accurate billing in the state of connection, and lacks the ability to charge offline according to the time of use.

The Republic of China Patent No. I235592 discloses an Internet-based two-way messaging system and method, which combines an internet, a telecommunication network, and a mobile phone, and pre-designs a series of question and answer message content through operation of a web user interface. And set the SMS transmission number and transmission time, send a Q&A message through the transmission between the Internet and the telecommunication network, the system automatically sends a Q&A message, and guides the SMS receiver to respond to the SMS to achieve the function of automatic transmission of the two-way message. However, the SMS function of the invention has only a two-way interactive function and does not have the effect of accessing the memory data of the mobile phone.

The Republic of China patent 00591476 discloses a media playback management system and method for managing media playback of various playback devices in different clients. The user is given different operation rights through the user login, and the permission may be to download the play schedule setting and the media data on the client. The client receives all the corresponding play schedule settings and media data by a transponder host and transmits them to each media play device for playback. The invention achieves the transmission of the appropriate content to the client for playback under the condition of connection, but still lacks the ability to perform offline charging according to the usage time.

U.S. Patent No. 7,089,594 discloses a method of managing the use of digital content for a mobile phone in a Java programming language. After the digital content is downloaded to a mobile communication device, an authorization is generated by a service provider, and the authorization regulates the usage regulation and charging principle of the digital content, and prevents the digital content from being transmitted to others. This digital content is not allowed to be used. This content can be delivered to the user via merge transfer or split transfer. When the usage time limit expires, the user must update the authorization to continue using the digital content. However, the invention does not mention offline charging based on usage time.

U.S. Patent No. 6,996,393 discloses a method for optimizing the transmission efficiency of data content, which is designed according to the user's needs, and uses the communication bandwidth and the time period of different communication rates to select the most suitable time period to transmit data, so as to save communication costs. purpose. US Patent 6,915,272 discloses a secure transaction platform between a mobile communication device user and a content provider that utilizes the Global System for Mobile Communications (GSM) to confirm transaction content and price information so that the mobile phone user receives the correct content. The content provider can receive the correct payment. However, neither of the above two inventions mentions offline charging based on usage time.

The present invention provides a charging method for a mobile communication device to use digital content offline, wherein the digital content is provided by a digital content provider and used by a mobile communication device user, and is managed by a charging control server. The action includes the following steps: the digital content provider uploads the digital content to a digital content management server; the digital content management server converts the digital content into a unified format, and joins the digital content by the technology of the object packaging program a management program for the digital content to form a digital content of a built-in management program; the mobile communication device user downloads the digital content of the built-in management program from the digital content management server to a mobile communication device; the mobile communication device The device user uses the digital content of the built-in management program on the mobile communication device; the management program manages and records the usage behavior of the digital content of the built-in management program on the mobile communication device user in a management data; The management program uses the built-in tube in the mobile communication device user After the digital content of the program is completed, the updated management information, then the charging control server charges based on the management information.

According to the charging method of the digital communication device for offline use of the mobile communication device of the present invention, the present invention provides a charging system for the mobile communication device to use digital content offline, comprising a digital content management server, a mobile communication device and a charging control servo. Device.

The digital content management server contains four functions. The first function is to establish a digital content management database, the database includes each digital content provided by each digital content provider, and the digital content management server classifies according to the category of the digital content, and converts into a unified format. At the same time, the telephone number of the charging control server and the category code corresponding to the digital content are stored in the digital content management database, and the digital content provider can also manage the digital content through the digital content management server. Therefore, the digital content management database has the function of adding, modifying, deleting and searching for the digital content. The second function is to provide the mobile communication device to download two programs, one of which functions to download a digital content and related information from the digital content management server, and establish a billing management database in the mobile communication. On the device. Another program is used to bill and manage the digital content. The third function is that the user who provides the digital content conveniently obtains the digital content provided by the digital content provider. The fourth function is a digital content promotion mechanism, which can provide various content providers for various promotional activities, such as limited time promotion, which can inform the user of the relevant information of the promotion and send it to download by SMS. The digital content is transmitted to the user by means of a General Packet Radio Service (GPRS). The digital content management server does not perform the copyright control restriction when the user downloads the digital content, and the user can freely use the personal computer to connect to the digital content management server through the Internet, and then cooperate with the wireless device. Transmission technology, such as Bluetooth wireless transmission technology, downloads the required digital content for free on the mobile communication device.

Preferably, the mobile communication device should have a wireless transmission function, such as a Bluetooth wireless transmission function or an infrared transmission function. And the digital content billing and management program downloaded on the mobile communication device can manage its various types of digital content databases, including the functions of adding and deleting their contents.

The function of the billing control server is to establish a billing service database, which stores the billing data of each user, and manages the classification according to the number of each mobile communication device. The billing service database is categorized with each digit content provided by each digital content provider, and each category has its specific code. When a new digital content category is generated, the provider of the digital content can edit its category and code and deposit it into the billing service database. In addition, the billing control server is provided with a telephone number as a means of communicating with the mobile communication device. The information stored in the billing service database can be used to analyze the consumption behavior of each user, and each digital content provider can provide digital content that is more in line with the user's needs according to the consumer behavior.

1 is a schematic diagram of an embodiment of a charging system for using a digital content offline in a mobile communication device of the present invention. A charging system 10 for offline use of digital content by a mobile communication device includes a digital content management server 11, a mobile phone 12, and a charging control server 13. The digital content provider 14 uploads a digital content to the digital content management server 11, and the mobile phone 12 downloads the digital content from the digital content management server 11 and transmits the content through the short message service or the internet and charging control server. 13 exchange and update paid information.

2 is a schematic diagram of a digital content access method according to an embodiment of the present invention. A mobile phone user downloads a digital content from the personal computer 23 to the mobile phone 12 via a Bluetooth module 24. The personal computer 23 is connected to the digital content management server 11 via a communication interface 25 and an internet connection 26, and downloads the digital content to the personal computer 23.

3 is a flow chart of an embodiment of a method for charging a digital content of an active communication device in the present invention. At step 31, the digital content provider 14 uploads the digital content to the digital content management server 11. In step 32, the digital content management server 11 converts the digital content into a unified format and builds a management program in the digital content by the object packaging technology. At step 33, the content and information of the digital content is stored. In step 34, a mobile phone user connects to the digital content management server 11 via the Internet 26 and the Bluetooth module 24, and downloads a digital content execution program from the digital content management server 11. At step 35, the digital content of the built-in management program is downloaded to the mobile phone 12. At step 36, when the user activates the digital content on the mobile phone 12, the management program automatically creates a billing management database on the mobile phone. In step 37, when the user has a button action, the management program manages and records the usage behavior of the digital content on a management data. In step 38, after the digital content is used, the management program calculates the usage time and the paid balance of the digital content for use, stores the management data, and deposits the management data into the charging management database. Meanwhile, if the mobile phone includes a Java Subscriber Identity Module (SIM) card, the management program first reads one of the payment data on the Java SIM card and stores it in each execution. The billing management database performs an action of starting the digital content. And each time the user uses the digital content, the management program checks the payment status of the user. If the user's payment data has reached a threshold, the management program will connect to the charging control server 13 by means of a short message, obtain the correct payment data, and deposit it into the billing management database of the mobile phone. Based on the latest payment information, the right to use the digital content is determined to achieve automatic billing and management purposes.

Since the payment data must be stored on the mobile phone 12, its security control is very important. If the software is only protected by software, the security is still insufficient, so it must be matched with the hardware, except for the payment. The data is stored outside the billing management database and the payment balance is also stored on the Java SIM card. In operation, it is necessary to obtain the function function of the application programming interface (API) written by the carrier and the key of writing and reading, and the encryption of the private key (Private Key). The manner and the combination of the Application Protocol Data Unit (APDU) instructions store the payment data on the Java SIM card for dual secure access.

The data uploaded by the digital content provider 14 to the digital content management server 11 includes the editing conditions of the digital content in addition to the digital content. The digital content uploaded is stored in the digital content management server 11 in a record of a data category. It contains the unique identifier of the digital content provider, and may also be the phone number, the content type of the digital content, the editor's name and password, and the object of the digital content. The classification of digital content may include digital content learning materials, multimedia digital content, and professional field speech and audio, etc., in order to achieve different charging methods for different types of digital content.

4 is a flow chart of digital content downloading according to an embodiment of the present invention. At step 41, the mobile phone 12 is connected to the digital content management server 11. At step 42, the digital content execution program and the management program are downloaded. At step 43, the digital content execution program is launched. At step 44, the number of the mobile phone 12 is sent to obtain a unique key (Unique Key) of the mobile phone 12. At step 45, the digital content download is selected. At step 46, the billing management repository corresponding to the digital content is created.

FIG. 5 is a schematic diagram of the acquisition of payment data for digital content according to an embodiment of the present invention. The mobile phone 12 first transmits the number of the mobile phone 12 and the digital content classification number to be used to the charging control server 13 in a short message. After receiving the short message, the charging control server 13 transmits the number of the mobile phone 12 and the digital content classification number to be used and the paid playing amount to the mobile phone 12 in a short message. The mobile phone 12 then transmits its telephone number and its unique key to the charging control server 13, and the digital content can be downloaded. The data transmitted by the Advanced Encryption Standard (AES) is 64-base (Base64), and the decoding is performed in Base64 plus AES.

The SMS transmitted by the billing control server 13 to the mobile phone 12 includes a paid play quantity value representing the number of corresponding digital content that can continue to be played. If it is 0, it means that the user has not stored the value for payment, and after receiving the message, the mobile phone 12 will display the message of the fee to be paid on the mobile phone 12 before continuing to use the digital content. If it is not 0, it means that the user has paid the fee, and the management program will store the value in one of the billable management database, the total number of playable fields, and the mobile phone 12 will transmit another confirmed The processed short message is sent to the charging control server 13, and the charging control server 13 clears the paid message.

FIG. 6 is a flow chart of digital content control according to an embodiment of the present invention. In step 61, after the mobile phone 12 downloads the digital content, the mobile phone 12 starts playing the digital content and corresponding to the management program. At step 62, it is checked if the billing management database is established. If not, proceed to step 63 to establish the billing management database and initialize its table fields. At step 64, it is then checked if a play condition is met, such as whether the paid balance has reached a threshold. If the playback condition is met, proceeding to step 68, the mobile phone 12 plays the digital content and the management program records its usage history to the billing management database. If the playing condition is not met, then the process proceeds to step 65, and the mobile phone 12 contacts the charging control server 13 by means of a short message or other Internet to obtain the latest paid data. If the paid data is transmitted to the mobile phone 12, proceed to step 66, the charging control server 13 notifies the mobile phone 12 by the short message, and then updates the management data of the charging management database of the mobile phone 12. . At step 67, the hypervisor of the mobile phone 12 checks again to see if an out-of-air condition is met. If not, proceed to step 68 to perform the normal playback procedure. Otherwise, proceeding to step 69, the digital content is prohibited from being played. In the payment mode, the user can connect to the charging control server 13 to pay by credit card deduction, and the charging control server 13 will immediately update the user's payment data. Or the user can pay the digital content provider, and the digital content provider uploads the user's payment information to the charging control server 13.

FIG. 7 is a flow chart of digital content playback according to an embodiment of the present invention. In step 701, after the user downloads the digital content to the mobile phone 12, the user activates the digital content and presses any button to start the corresponding management program. The management program first checks if there is any establishment of the billing management database, if not, establishes it, and sets an initial threshold for playback. Under this condition, the digital content is only allowed to play for a short period of time. In the meantime, if the user has the action of playing the digital content, the initial playback threshold will be reached. In step 702, the mobile phone 12 will contact the charging control server 13 in a short message manner. To update the user's payment information, as in step 703. If the user has not paid the fee again, the value of the paid play of the SMS returned by the charging control server 13 will be 0, and the management program will display a message to be repaid on the mobile phone 12. If the user does not pay the fee at all times, after reaching an off-air condition, as in step 704, the digital content is prohibited from being played, as in step 705. If the condition is not reached, the operation button pressed by the user is checked, as in step 706. After the user plays the digital content, the management program starts timing, as in step 708; the playback time is calculated at the time of the pause, as in step 707; the total playback time is accumulated at the stop, as in step 709; The digital content is then subjected to billing and debiting actions according to the accumulated total playing time, such as step 710; or playing digital content, as in step 705.

The charging method for this digital content can be represented by the following formula: R=EC-C

Where C represents the cumulative total number of active plays, S(i) represents the actual play time of each digital content played, M(d) represents the billing basis for the category of the digital content, and K represents the total number of categories of digital content, n Represents the number of plays, R represents the remaining playable quantity, and EC represents the playable quantity that has been paid. When R is less than a threshold call amount, the mobile phone 12 transmits a short message to the billing control server 13 to confirm its payment status. If R is less than 0, the digital content is prohibited from being played. At this time, the user cannot continue to use the digital content, but can still use the corresponding digital content execution program, which will send a short message to the charging control server 13, and the charging control server 13 will transmit another short message. The mobile phone 12 is given to continue to remind the user to pay the fee, and the digital content can continue to be used after the payment is completed.

In combination with the above, the present invention provides a charging method similar to the digital content of a stored value card, and the amount of the stored value card is directly stored on the mobile communication device, so that it has the feature of offline charging, so that the user only has to pay The usage fee for this digital content is not required to pay for the communication connection fee. In addition, the time-based billing method according to the present invention makes it convenient for the telecommunications provider and the digital content provider to open the account, thereby enhancing the willingness of the digital content provider to develop the digital content. In addition, the user can download the digital content for free, and pays only after an initial threshold, so it has the nature of trial and is more flexible for the user. The usage history of the user using the digital content is stored in the billing management database of the mobile communication device, and can be queried by the user to increase the transparency of the charging. Moreover, the information transmitted by the mobile communication device to the charging control server does not include the usage history, which helps protect the privacy of the user. Because the content stored in the billing service database is the real use status of each digital content, it is helpful for each digital content provider to develop digital content that is more suitable for the user.

The technical and technical features of the present invention have been disclosed as above, and those skilled in the art can still make various substitutions and modifications without departing from the spirit and scope of the invention. Therefore, the scope of the present invention should be construed as being limited by the scope of the appended claims.

10. . . Charging system

11. . . Digital content management server

12. . . mobile phone

13. . . Billing control server

14. . . Digital content provider

twenty three. . . personal computer

twenty four. . . Bluetooth module

25. . . Communication interface

26. . . Internet

31-711. . . step

1 is a schematic diagram of a system for charging a digital content of a mobile communication device according to a preferred embodiment of the present invention; FIG. 2 is a schematic diagram of a digital content access method according to a preferred embodiment of the present invention; FIG. 4 is a flow chart of digital content downloading in accordance with a preferred embodiment of the present invention; FIG. 5 is a flow chart of a preferred embodiment of the present invention; FIG. FIG. 6 is a flow chart of digital content control according to a preferred embodiment of the present invention; and FIG. 7 is a flow chart of digital content playback according to a preferred embodiment of the present invention.

31-38. . . step

Claims (60)

A mobile communication device charging method for digital content offline includes the following steps: a digital content provider uploads digital content to a digital content management server; the digital content management server converts the digital content into a unified format and uses the object The packaging technology has a management program built in the digital content; a mobile communication device downloads the digital content of the built-in management program from the digital content management server; and the management program performs timed billing management on the usage behavior of the digital content And notifying the result to a charging control server, wherein the mobile communication device first transmits the number of the mobile communication device and the digital content classification number to be used to the charging control server by using a short message, the charging control server And transmitting the number of the mobile communication device and the digital content classification number to be used, the paid play amount and the paid play quantity value to the mobile communication device, and the mobile communication device transmits the telephone number and the gold again. Key to the billing control server, the digital content can be downloaded, and Pay to play number value that represents the number corresponding to the digital content will continue to play it. The charging method of the digital communication device for offline use according to the mobile communication device of claim 1, wherein the management program reads a payment data of a Java SIM card for timing and billing operations. The method for charging digital content in offline use according to the mobile communication device of claim 1, wherein the unified format is automatically activated in conjunction with the management program The timing and billing action. The charging method for offline use of digital content by the mobile communication device of claim 1, wherein the management program checks whether the mobile communication device is allowed to continue using the digital content according to the payment status of the digital content. According to the charging method of the mobile communication device for offline use of the content communication device of claim 1, the method further comprises the following steps: when the mobile communication device downloads the digital content of the built-in management program from the digital content management server, in advance or together Download a digital content execution program. The charging method for the digital content of the mobile communication device according to claim 1, wherein the management program collects the usage history data of the mobile communication device user for the purpose of charging. According to the charging method of the digital communication device for offline use according to claim 1, wherein the downloading of the digital content of the built-in management program is performed by connecting the digital content management server through a combination of the Internet and wireless transmission technologies. In the mobile communication device. The charging method for offline use of digital content according to the mobile communication device of claim 7, wherein the wireless transmission technology is a Bluetooth wireless transmission technology. The method for charging digital content in offline use according to the mobile communication device of claim 7, wherein the wireless transmission technology is an infrared wireless transmission technology. The charging method for the digital content of the mobile communication device according to claim 1, wherein the downloading of the digital content of the built-in management program is performed by using a downloading technology of the telecommunication network, connecting the digital content management server, and downloading the mobile communication device. device. The charging method for offline use of digital content according to the mobile communication device of claim 1, wherein the digital content management server comprises a digital content management database for managing and storing the digital content provided by the digital content management server. The charging method for offline use of digital content according to the mobile communication device of claim 1, wherein the mobile communication device comprises a billing management database for managing and storing the digital content of the built-in management program and the payment data thereof. The charging method for offline use of digital content according to the mobile communication device of claim 12, wherein the management program updates the charging management database according to the usage time and content category of the digital content after the digital content is used or stopped. Payment information. The charging method for offline use digital content according to the mobile communication device of claim 13, wherein the mobile communication device notifies the charging control server when the paid balance data reaches a threshold, and receives the charging control server One of the latest paid materials is returned to update the payment data of the billing management database of the mobile communication device. The charging method for offline use of digital content according to the mobile communication device of claim 1, wherein the mobile communication device notifies the charging control server by means of a short message. The method for charging digital content in offline use according to the mobile communication device of claim 15, wherein the short message is transmitted by means of code encryption. The charging method for offline use of digital content by the mobile communication device of claim 15, wherein the mobile communication device transmits the charging control server to the charging control server The text message format includes the category number of the digital content and the contact number of the mobile communication device. The charging method for offline use of digital content by the mobile communication device of claim 15, wherein the charging control server returns the latest paid information to the mobile communication device by means of a short message. The charging method for the digital communication content of the mobile communication device according to claim 15, wherein the communication format transmitted by the charging control server to the mobile communication device is a classification number of the digital content of the built-in management program, the action The contact number of the communication device and the amount of the usage of the digital content of the built-in management program. The charging method for offline use of digital content by the mobile communication device of claim 15, wherein the billing control server transmits the short message of the mobile communication device to include the remaining usable amount of the digital content of the built-in management program. The charging method for offline use of digital content by the mobile communication device of claim 12, wherein the discontinued or updated paid balance data is stored in a Java SIM card of one of the mobile communication devices. According to the charging method of the digital communication device for offline use of the mobile communication device of claim 1, wherein the digital content provider uploads the digital content to the digital content management server, and simultaneously transmits the management data content for editing the digital content, which includes The classification number of the digital content, the timing reference data, the weighted data of the content, and the contact information of the manufacturer. The charging method for offline use of digital content according to the mobile communication device of claim 1, wherein the charging control server includes a charging service data A library used to record information about users of mobile communication devices and digital content of digital content providers. The charging method for offline use of digital content according to the mobile communication device of claim 23, wherein the charging service database is classified according to the content of the stored digital content, and is assigned to each category of a code, when the digital content is provided When the digital content is uploaded, the code is stored in the charging control server according to the code. The charging method for offline use of digital content by the mobile communication device of claim 23, wherein the charging service database stores basic information and transaction information of the mobile communication device user, and is used for analyzing the mobile communication device user Consumer behavior, and the digital content provider can provide digital content based on the consumer behavior. The charging method for offline use of digital content according to the mobile communication device of claim 1, wherein the charging calculation method is based on the category of the digital content. The method for charging digital content in offline use according to the mobile communication device of claim 1, wherein the mobile communication device is a mobile phone. A method for charging a digital content by using a mobile communication device includes the following steps: a digital content provider uploads digital content to a digital content management server; and converts the digital content into a unified format, and builds an object packaging technology The management program is in the digital content, wherein the management program is used to be downloaded to a mobile communication device for timed billing function. The mobile communication device first transmits the number of the mobile communication device and the digital content classification number to be used to a charging control server by means of a short message, and the charging control server transmits the number of the mobile communication device by way of a short message. The digital content classification number to be used, the paid play amount, and the paid play quantity value are given to the mobile communication device, and the mobile communication device transmits the telephone number and a key to the charging control server to download The digital content, and the value of the paid play quantity, represents the number of corresponding digital content that can be played. The method for charging digital content in offline use according to the mobile communication device of claim 28, wherein the management program reads a payment data of a Java SIM card for timing and billing operations. The method for charging digital content in offline use according to the mobile communication device of claim 28, wherein the unified format cooperates with the management program to automatically initiate the timing and charging action. The charging method for offline use of digital content by the mobile communication device of claim 28, wherein the management program checks whether the mobile communication device is allowed to continue to use the digital content according to the payment status of the digital content. A charging method for digitally utilizing digital content in accordance with the mobile communication device of claim 28, wherein the mobile communication device is a mobile phone. The charging method for offline use of digital content by the mobile communication device of claim 28, wherein when the management program is downloaded to a mobile communication device, the method further comprises the step of downloading a digital content execution program in advance or together. The method for charging a digital content of an offline mobile device according to claim 28, wherein the management program collects the user of the mobile communication device Use the history data to achieve the purpose of charging. The method for charging digital content in offline use according to the mobile communication device of claim 28, wherein the downloading of the digital content of the built-in management program is performed by connecting the digital content management server through a combination of the Internet and wireless transmission technologies In the mobile communication device. The charging method for offline use of digital content according to the mobile communication device of claim 28, wherein the charging calculation method is based on the category of the digital content. A method for charging a digital content by using a mobile communication device includes the following steps: a mobile communication device downloads digital content of a built-in management program from a digital content management server; the management program is for the digital communication device Using the behavior to perform timing and billing management; and the charging control server charges according to the management data, and notifies the result to a charging control server, wherein the mobile communication device transmits the mobile communication device in a short message manner The number and the digital content classification number to be used are sent to the charging control server, and the charging control server transmits the number of the mobile communication device and the digital content classification number to be used and the paid playing amount thereof by way of short message. The paid play value is given to the mobile communication device, and the mobile communication device transmits the phone number and a key to the charging control server to download the digital content, and the paid play quantity value represents the corresponding The amount by which the digital content can continue to play. The charging method for offline use of digital content according to the mobile communication device of claim 37, wherein when the management program performs timing and billing, a payment data of one of the Java SIM cards is read for timing and billing operations. The charging method of the digital communication device for offline use according to claim 37, wherein the management program checks whether the mobile communication device is allowed to continue using the digital content according to the payment status of the digital content. The method for charging digital content in offline use according to the mobile communication device of claim 37, wherein the mobile communication device is a mobile phone. According to the charging method of the mobile communication device for offline use of the content communication device of claim 37, the method further includes the following steps: when the mobile communication device downloads the digital content of the built-in management program from the digital content management server, in advance or together Download a digital content execution program. The method for charging digital content in offline use according to the mobile communication device of claim 37, wherein the management program can collect usage history data of the mobile communication device user for the purpose of charging. The charging method for the digital content of the mobile communication device according to claim 37, wherein the downloading of the digital content of the built-in management program is performed by connecting the digital content management server through a combination of the Internet and wireless transmission technologies. In the mobile communication device. A charging system for offline use of a mobile communication device, comprising: a digital content management server for classifying and creating a digital content in a unified format, and a built-in management program in the digital content; a mobile communication device Digital content management server downloads the a digital content of the built-in management program; and a billing control server that charges based on data transmitted by the management program, wherein the mobile communication device communicates with the billing control server in a short message, the newsletter including the action The number of the communication device, the digital content classification number to be used, the number of the mobile communication device, the paid play amount, the paid play quantity value, and a key. The charging system for offline use of the mobile communication device of claim 44, wherein the digital content management server includes a digital content management database for containing digital content provided by a digital content provider. According to claim 45, the charging system for offline use of the mobile communication device, wherein the digital content management database has the function of adding, modifying, deleting and searching for the digital content. The charging system for offline use of the mobile communication device of claim 44, wherein the digital content management server provides the following device: a digital content execution program for downloading the digital content of the built-in management program and establishing a related information In the database of one of the mobile communication devices; and a management program, when the digital content of the built-in management program is selected, the playback function is started, and the usage history data of the user of the mobile communication device is collected to achieve the purpose of charging . The charging system for offline use of the mobile communication device of claim 44, wherein the digital content management server can actively notify the user to download the digital content. The charging system for offline use of the mobile communication device of claim 44, wherein the digital content management server can transmit the digital content to the user by means of GPRS. A charging system for offline use of a mobile communication device according to claim 44, wherein the mobile communication device has a wireless transmission technology and allows a program developer to develop a communication software for the mobile communication device. A charging system for offline use of a mobile communication device according to claim 50, wherein the wireless transmission technology is a Bluetooth wireless transmission technology. A charging system for offline use of a mobile communication device according to claim 50, wherein the wireless transmission technology is an infrared wireless transmission technology. The charging system for offline use of the mobile communication device of claim 44, wherein the software of the mobile communication device is capable of managing various types of digital content databases, including functions for adding and deleting content thereof. The charging system for offline use of the mobile communication device according to claim 44, wherein the mobile communication device comprises a billing management database for managing and storing the digital content of the built-in management program and the payment data thereof. . The charging system for offline use of the mobile communication device according to claim 44, wherein the charging control server comprises a billing service database, which stores one of the user's payment materials, and manages the classification according to the number of the mobile communication device. . A charging system for offline use of a mobile communication device according to claim 44, wherein the charging control server is provided with a telephone number as a means of communicating with the mobile communication device. The charging system for offline use of the mobile communication device of claim 44, wherein the mobile communication device and the charging control server are in a short message. The charging system for offline use of the mobile communication device of claim 44, wherein the billing service database is categorized with the digital content provided by the digital content provider, and each category has its specific code. According to the charging system for offline use of the mobile communication device of claim 44, wherein the digital content provider can edit its category and code and deposit the meter through the charging control server when a new digital content category is generated. Fee service database. The charging system for offline use of the mobile communication device of claim 44, wherein the information stored in the billing service database is used to allow the digital content provider to analyze the consumer behavior of the user.