KR100956793B1 - Method and Server for Transforming Message Format for Interworking between Different Message Standards - Google Patents

Abstract

The present invention relates to a message format change method for providing message interoperability and a message server therefor.

The present invention provides a message server for forwarding a message, the message server comprising: a message receiving unit configured to receive a message including coding scheme information; A transmission terminal determination unit for determining whether the transmission terminal for the received message is a domestic terminal or a foreign terminal through coding method information; A called terminal determining unit that determines whether the called terminal for the received message is a domestic terminal or a foreign terminal; A message format changer for generating a change message through message size adjustment and coding scheme conversion for the received message based on the determination result by the caller terminal determiner and the called terminal determiner; And it provides a message server for performing a message format change function comprising a message transmitter for transmitting the generated change message.

According to the present invention, by providing a message format change function, there is an effect of providing a mutual SMS service between a foreign terminal and a domestic terminal having a difference in a message coding method and a message size, etc., thereby improving the satisfaction of the SMS service There is.

Message server, message format change, coding method, message separation

Description

How to change the message format that provides message interoperability and the message server for it {Method and Server for Transforming Message Format for Interworking between Different Message Standards}

The present invention relates to a message format change method for providing message interoperability and a message server therefor. More specifically, by providing a message format change function, there is an effect of providing mutual SMS service between a foreign terminal and a domestic terminal having a difference in a message coding method and a message size, thereby improving the satisfaction of the SMS service. The present invention relates to a message format changing method for providing message interoperability and a message server therefor.

Nowadays, terminal penetration rate such as mobile phones and mobile phones and the number of mobile subscribers are increasing rapidly, and user demand for short message service (SMS) service is also increasing rapidly. Therefore, SMS messages are used in various fields for various purposes.

On the other hand, with the universalization of these terminals and SMS services, it has now become an era of freely using mobile communication in domestic and overseas. Therefore, a user of a terminal user who came to Korea while working or living in a foreign country has created a user who wants to use the terminal (foreign terminal) that was used in Korea.

However, the conventional SMS service technology does not provide a mutual SMS service between the domestic terminal and the domestic terminal capable of supporting the service in the domestic mobile communication network.

This is because foreign terminals introduced into Korea do not support 3GPP (3 Generation Partnership Project) SMS standard specifications or standards that support domestic terminals. That is, the foreign terminal shows a distinct difference from the domestic terminal in the message coding method and the message size.

For example, a foreign terminal encodes or decodes a message through a Data Coding Scheme (DCS) such as Universal Character Set 2 (UCS2) and Global System for Mobile Telecommunication 7bit (GSM 7bit), and the domestic terminal uses KSC5601 and Encode or decode the message through domestic coding such as ASCII 7 bit (American Standard Code for Information Interchange 7 bit).

In addition, foreign terminals can process messages up to 140 bytes or 160 bytes at one time, while domestic terminals can process messages up to 80 bytes at a time.

In other words, due to the differences in the message coding scheme and the message size between the foreign terminal and the domestic terminal described above, there is a problem that the conventional SMS service technology does not provide mutual SMS service between the foreign terminal and the domestic terminal.

An object of the present invention for solving this problem is to provide a mutual SMS service between a foreign terminal and a domestic terminal having a difference in a message coding scheme and a message size by providing a message format change function.

Another object of the present invention is to improve the SMS service satisfaction by providing a message format changing function and providing a mutual SMS service between a foreign terminal and a domestic terminal having a difference in a message coding scheme and a message size.

According to an aspect of the present invention for achieving this object, the present invention provides a message server for forwarding a message, comprising: a message receiving unit for receiving a message including coding scheme information; An originating terminal determination unit for determining whether the originating terminal for the received message is a domestic terminal or a foreign terminal through the coding scheme information; A called terminal determining unit that determines whether the called terminal for the received message is a domestic terminal or a foreign terminal; A message format changer for generating a change message through message size adjustment and coding scheme conversion of the received message based on the determination result by the caller terminal determiner and the called terminal determiner; And it provides a message server for performing a message format change function comprising a message transmitter for transmitting the generated change message.

According to another aspect of the present invention for achieving this object, a message format changing method performed by a message server for forwarding a message, the method comprising the steps of: (a) receiving a message containing a coding scheme information; (b) an originating terminal determining step of determining whether the originating terminal for the received message is a domestic terminal or a foreign terminal through the coding scheme information; (c) a called terminal determining step of determining whether the called terminal for the received message is a domestic terminal or a foreign terminal; (d) a message format changing step of generating a change message through message size adjustment and coding scheme conversion on the received message, based on the determination result of steps (b) and (c); And (e) a message transmission step of transmitting the generated change message.

As described above, according to the present invention, by providing a message format change function, there is an effect of providing mutual SMS service between a foreign terminal and a domestic terminal having a difference in a message coding scheme and a message size.

In addition, according to the present invention, by providing a message format change function, by providing a mutual SMS service between the foreign terminal and the domestic terminal having a difference in the message coding scheme and the message size, there is an effect to improve the SMS service satisfaction.

Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings. First of all, in adding reference numerals to the components of each drawing, it should be noted that the same reference numerals are used as much as possible even though they are shown in different drawings. In the following description of the present invention, a detailed description of known functions and configurations incorporated herein will be omitted when it may make the subject matter of the present invention unclear.

1 is a view showing a message server providing a message format change function for providing message interoperability according to the present invention.

Referring to FIG. 1, a message server 100 for forwarding a message includes a message receiver 110 receiving a message including coding scheme information, and a calling terminal for the received message through coding scheme information. Calling terminal determination unit 120 for determining whether the domestic terminal or the foreign terminal, the called terminal determination unit 130 for determining whether the receiving terminal for the received message is a domestic terminal or a foreign terminal, the calling terminal determination unit 120 and the called terminal On the basis of the determination result by the determination unit 130, the message format change unit 140 for generating a change message through the message size adjustment and coding scheme conversion for the received message and the message transmitter 150 for transmitting the generated change message It is configured to include).

Message server 100 providing a message format change function according to the present invention, described with reference to FIG. 1 is a Short Message Service Center (SMSC) included in the mobile communication system (hereinafter referred to as "SMSC") It may be a dual short message service center (DSMSC, hereinafter referred to as 'DSMSC') for compatibility between heterogeneous message formats.

In addition, in the present invention, the SMS (Short Message Service) message is collectively referred to as a message, and the domestic terminal means a terminal that supports standards such as a message coding method and message size that can be processed in a domestic mobile communication network, and a foreign terminal is simply a foreign country. Not only refers to a terminal manufactured in the US, but refers to a terminal that is not compatible with the domestic terminal in the coding scheme and message size for encoding or decoding the message. The foreign terminal may be a terminal that supports 3GPP (3 Generation Partnership Project) SMS standard specification.

The message received by the message receiver 110 may be a message divided into two or more sub messages. Such a sub message includes the same sequence ID information, and each sub message may further include consecutive concatenate ID information. That is, the message is identified by sequence ID information, and two or more server messages constituting one message are identified through consecutive concatenation ID information. However, the message received by the message receiver 110 when the call is sent from the foreign terminal may not include the sequence ID and the concatenate ID.

The above-mentioned coding scheme (Data Coding Scheme (DCS)) information is information indicating how the corresponding message is encoded, the domestic coding scheme information and the foreign terminal in the identification information on the domestic coding scheme for coding the message in the domestic terminal It is one of the foreign coding method information that is identification information about the foreign coding method for coding a message.The domestic coding method may include KSC5601, ASCII 7bit and ASCII 8bit, and the foreign coding method may be UCS2 and GSM 7bit. have.

KSC5601 is a standard for using Korean, which is designated as Korean industrial standard. It uses Korean as 2 bytes, English and some special characters as 1 byte, and conforms to ISO2022.

Universal Character Set 2 (UCS2) is an international standard for character encoding that uses values up to the first 65535 of the universal character set. It uses all characters as two-byte values and is defined in ISO10646.

GSM 7bit (Global System for Mobile Telecommunication 7bit) is a standard that uses 7-bit alphabet, except for some special characters such as ASCII 7bit (American Standard Code for Information Interchange 7bit) and ASCII 8bit (American Standard Code for Information Interchange 8bit). Is the same.

Since the message encoded by the domestic coding scheme described above cannot be decoded in the foreign terminal, the user of the foreign terminal cannot recognize the content of the message sent from the domestic terminal. In addition, since a message encoded by a foreign coding method cannot be decoded in a domestic terminal, a user of a domestic terminal cannot recognize the content of a message sent from a foreign terminal. Therefore, by performing the message format change function in the present invention, it is possible to enable the message service between heterogeneous terminals using different coding schemes. To this end, it is necessary to determine what coding scheme is used by the calling terminal to which the message is sent and the called terminal to which the message is received, that is, a domestic terminal or a foreign terminal.

The calling terminal determining unit 120 determines the calling terminal through the received message. When the coding method information included in the message received from the message receiving unit 110 is set to the domestic coding method information, The originating terminal for the received message is determined as a domestic terminal, and when the coding method information included in the received message is set as the foreign coding method information, the calling terminal for the received message is determined as the foreign terminal.

The called terminal determining unit 130 determines the called terminal through a query for determining the called terminal with a home location register (HLR, hereinafter referred to as 'HLR'). Receives the called terminal judgment response message including the called terminal judgment identification information from the HLR by transmitting to the HLR, and whether the called terminal is a domestic terminal or a foreign terminal through the called terminal judgment identification information included in the received call terminal judgment response message. You will be judged.

The called terminal determination identification information included in the called terminal determination response message received by the called terminal determining unit 130 is one of domestic terminal identification information and foreign terminal identification information. For example, the called terminal determination identification information mentioned above. It can be referred to as a message capacity (SMS Capacity), if the message capacity is set to 'Abroad Tel', the called terminal is a foreign terminal.

The message server 100 determines the calling terminal and the called terminal by the calling terminal determining unit 120 and the called terminal determining unit 130, and then changes the received message into an appropriate message format according to the determination result. Such message format changes include message size changes, message separation, and coding schemes.

The calling terminal may be a domestic terminal or a foreign terminal, and the called terminal may be a domestic terminal or a foreign terminal. According to the aspects of the domestic terminal and the foreign terminal, there are four possible pairs between the calling terminal and the called terminal, and the function of changing the message format for the four cases will be described in detail below.

First, with respect to the message received by the message receiving unit 110, the calling terminal is determined by the calling terminal determiner 120 'foreign terminal', and the called terminal by the called terminal determining unit 130 called 'domestic terminal' If determined to be, the message format changer 140 determines whether the message size for the received message exceeds the maximum message size.

Here, the maximum message size means the maximum size of a message that the message server 100 can process at a time in the mobile communication system to which the corresponding domestic terminal or domestic terminal is connected, and generally the mobile communication to which the domestic terminal or the domestic terminal connects. The maximum message size in the message server 100 in the system is set to 80 bytes. For reference, the foreign terminal can process messages up to 140 bytes or 160 bytes. Therefore, due to this difference in the maximum message size, message separation is inevitable for messages exceeding 80 bytes sent from foreign terminals.

After determining whether the message size for the received message exceeds the maximum message size, the message format changing unit 140 determines that the message size for the received message exceeds the maximum message size. The message is separated to be less than or equal to the maximum message size, and the changed message is generated by coding the separated message using a domestic coding scheme.

The change message generated in this way is transmitted by the message transmitter 150.

Further, after determining whether the message size for the received message exceeds the maximum message size, if the message format changer 140 determines that the message size for the received message is the maximum message size 'less', By coding the received message using a 'domestic coding scheme', a change message is generated and the generated change message is transmitted through the message transmitter 150.

Second, with respect to the message received by the message receiving unit 110, the calling terminal is determined by the calling terminal determining unit 120 'foreign terminal', and the called terminal by the called terminal determining unit 130 the 'foreign terminal' If determined to be ', the message format changing unit 140 determines whether the message size for the received message exceeds the maximum message size.

If it is determined that the message size for the received message exceeds the maximum message size, the message format changer 140 'separates' the received message to be less than or equal to the maximum message size, and converts the separated message as a change message. The generated change message is generated and the generated change message is transmitted through the message transmitter 150.

In addition, if it is determined that the message size for the received message is 'less than or equal to the maximum message size', the message format changer 140 generates the received message as a change message as it is, and generates the generated change message as a change message. The message is transmitted through the transmitter 150.

Third, with respect to the message received by the message receiving unit 110, the originating terminal is determined by the originating terminal determination unit 120 as a 'domestic terminal', the called terminal is determined by the called terminal determination unit 130 'foreign terminal ', The message format changer 140 re-codes the received message using an' foreign coding scheme '.

If the message format changer 140 determines that the message size of the message coded using the foreign coding scheme exceeds the maximum message size, the message format changer 140 separates the coded message to be less than or equal to the maximum message size, and separates the separated message. Is generated as a change message, and the generated change message is transmitted through the message transmitter 150.

In addition, if it is determined that the message size of the message coded using the foreign coding scheme is less than or equal to the maximum message size, the message format changing unit 140 generates the coded message as a change message and generates the generated change message. The change message is transmitted through the message transmitter 150.

Fourth, with respect to the message received by the message receiving unit 110, the originating terminal is determined by the originating terminal determination unit 120 as a 'domestic terminal', and the called terminal is determined by the called terminal determination unit 130 'domestic terminal' If it is determined as', the message format changer 140 transmits the received message through the message transmitter 150 without performing coding conversion and message separation.

Messages separated by the aforementioned message separation may include the same sequence ID information and newly set contiguous concatenate ID information, and may be charged according to the message charging policy. .

2 is a flowchart illustrating a message format changing method for providing message interoperability according to the present invention.

Referring to FIG. 2, in the message format changing method performed by the message server for forwarding a message, a message receiving step (S200) of receiving a message including coding scheme information, through the coding scheme information, Calling terminal determination step of determining whether the calling terminal is a domestic terminal or a foreign terminal (S202), a called terminal determination step (S204) to determine whether the called terminal for the received message is a domestic terminal or a foreign terminal (S204), the calling terminal determination step (S202) And a message format change step (S206) of generating a change message through message size adjustment and coding scheme conversion for the received message, based on the determination result of the called terminal determination step (S204), and a message for transmitting the generated change message. The transmission step S208 is performed.

The coding method information included in the message received in the message receiving step (S200) is the domestic coding method information that is identification information on the domestic coding method that codes the message in the domestic terminal and the identification of the foreign coding method that codes the message in the foreign terminal. Information may be one of the foreign coding scheme information.

The above-mentioned coding scheme (Data Coding Scheme (DCS)) information is information indicating how the corresponding message is encoded, the domestic coding scheme may include KSC5601, ASCII 7bit and ASCII 8bit, the foreign coding scheme is UCS2 And GSM 7bit.

KSC5601 is a standard for using Hangul, which is designated as Korean Industrial Standard. It uses Hangul as 2 bytes, English and some special characters as 1 byte, and conforms to ISO2022.

Universal Character Set 2 (UCS2) is an international standard for character encoding that uses values up to the first 65535 of the universal character set. It uses all characters as two-byte values and is defined in ISO10646.

GSM 7bit (Global System for Mobile Telecommunication 7bit) is a standard that uses 7-bit alphabet, except for some special characters such as ASCII 7bit (American Standard Code for Information Interchange 7bit) and ASCII 8bit (American Standard Code for Information Interchange 8bit). Is the same.

Since the message encoded by the domestic coding scheme described above cannot be decoded in the foreign terminal, the user of the foreign terminal cannot recognize the content of the message sent from the domestic terminal. In addition, since a message encoded by a foreign coding method cannot be decoded in a domestic terminal, a user of a domestic terminal cannot recognize the content of a message sent from a foreign terminal. Therefore, by performing the message format change function in the present invention, it is possible to enable the message service between heterogeneous terminals using different coding schemes. To this end, it is necessary to determine what coding scheme is used by the calling terminal to which the message is sent and the called terminal to which the message is received, that is, a domestic terminal or a foreign terminal.

The calling terminal determined in the calling terminal determination step (S202) may be a domestic terminal or a foreign terminal, and the called terminal determined in the called terminal determining step (S204) may be a domestic terminal or a foreign terminal. According to the aspects of the domestic terminal and the foreign terminal, the pair between the calling terminal and the called terminal can be four cases, the message format change step (S206) for the four cases will be described in detail below.

First, when the calling terminal is determined as the 'foreign terminal' in the calling terminal determination step (S202), and the called terminal is determined as the 'domestic terminal' in the called terminal determining step (S204), the message format changing step (S206), It is determined whether the message size for the received message exceeds the maximum message size.

Subsequently, in the message format changing step (S206), if it is determined that the message size for the received message exceeds the maximum message size, the message is separated to be less than or equal to the maximum message size, and the separated message is separated. By coding using the 'domestic coding scheme', a message transmission step (S208) of generating a change message and transmitting the generated change message is performed.

In addition, in the message format changing step (S206), if the message size for the received message is determined as the maximum message size 'less', the received message is coded using a 'domestic coding scheme' to generate a change message. Then, a message transmission step (S208) to transmit the generated change message is performed.

Second, when the calling terminal is determined as the 'foreign terminal' in the calling terminal determination step (S202), and the called terminal is determined as the 'foreign terminal' in the called terminal determining step (S204), the message format changing step (S206), It is determined whether the message size for the received message exceeds the maximum message size.

Subsequently, in the message format changing step (S206), if it is determined that the message size for the received message exceeds the maximum message size, the message is separated to be less than or equal to the maximum message size, and the separated message is changed. A message sending step (S208) for generating as a message and sending the generated change message is performed.

In addition, in the message format change step (S206), if it is determined that the message size for the received message is 'less than or equal to the maximum message size', the received message is generated as a change message as it is, and the generated change message is transmitted. The message transmission step S208 is performed.

Third, when the calling terminal is determined as a 'domestic terminal' in the calling terminal determination step (S202), and the called terminal is determined as a 'foreign terminal' in the called terminal determining step (S204), the message format changing step (S206), The received message is coded using an 'foreign coding scheme'.

Subsequently, in the message format changing step (S206), if it is determined that the message size of the message coded using the foreign coding scheme exceeds the maximum message size, the coded message is separated to be equal to or less than the maximum message size, and separated. A message sending step (S208) for generating a message as a change message and sending the generated change message is performed.

In addition, in the message format changing step (S206), if it is determined that the message size of the message coded using the foreign coding scheme is equal to or less than the maximum message size, the coded message is generated as a change message, and the generated change message is transmitted. The message transmission step S208 is performed.

Messages separated by the aforementioned message separation may include the same sequence ID information and newly set contiguous concatenate ID information, and may be charged according to the message charging policy. .

3 is a diagram illustrating a message delivery process including a message format change function according to the present invention.

FIG. 3 is a diagram illustrating a process of transmitting a message from a calling terminal to a called terminal by performing the message format changing method described above with reference to FIG. 2.

Referring to FIG. 3, a message transmitted from a calling terminal is delivered to a calling MSC (mobile switching center: MSC, hereinafter referred to as 'MSC') through a corresponding base station, and then delivered to an SMSC (S300).

Referring to FIG. 3, an SMSC receiving a message sent from a calling terminal through a calling MSC includes information about a coding scheme (DCS) information included in a message that receives whether a calling terminal is a domestic terminal or a foreign terminal. Through the determination (S302).

Thereafter, the SMSC queries the HLR to determine whether the called terminal is a domestic terminal or a foreign terminal (S304). In this determination (S304), the SMSC transmits the called terminal determination request message to the HLR (S3041). This is performed by receiving the called terminal determination response message including the called terminal determination identification information as a response (S3042). The message format change S306 is performed through the method in the message format change step described above with reference to FIG. 3 based on the determination result through the steps S302 and S304. The change message generated as a result of the execution is transmitted to the called terminal MSC (S308), thereby being delivered to the called terminal.

4 is a diagram illustrating a message format change method for delivering a message sent from a foreign terminal to a domestic terminal.

FIG. 4 is a diagram illustrating a message format change for delivering a message sent from a foreign terminal to a domestic terminal in the message format changing method described above with reference to FIG. 3.

Referring to FIG. 4, it is assumed that the messages 410 and 420 sent from the foreign terminal are encoded using the UCS2 foreign coding scheme, and the sub message 410 having 140 bytes and the sub message 420 having 18 bytes are represented. It is composed of 78 letters in total and one in Korean, and the total number of bytes is 158 bytes (= 140 bytes + 18 bytes). It is also assumed that the maximum message size is preset to 80 bytes.

Since the 140-byte sub-message 410 exceeds the maximum message size of 80 bytes in the messages 410 and 420 sent from the foreign terminal, the 80-byte sub-message is separated from the message 410 and 420 sent from the foreign terminal. A separate message composed of 430 and 78 byte sub-message 440 is generated, and the separated messages 430 and 440 are recoded into KSC5601, which is a kind of domestic coding scheme decodable to a domestic terminal. This coded message is a change message containing 450 and 460. The 80-byte sub-message 430 and the 78-byte sub-message 440 mentioned above may each include contiguous Concatenate ID information, and one or more sub-messages may be charged according to the billing policy. Can be.

The change message recoded to KSC5601 is composed of 78 English characters and 1 Korean characters as well as the original message. Only the total number of bytes has changed. Compared to UCS2, which uses all characters as 2 bytes, KSC5601 uses 2 bytes for Korean and 1 byte for English, which reduces the total number of bytes.

5 is a diagram illustrating a message format change method for delivering a message sent from a domestic terminal to a foreign terminal.

FIG. 5 is a diagram illustrating a message format change for delivering a message sent from a domestic terminal to a foreign terminal in the message format changing method described above with reference to FIG. 3.

Referring to FIG. 5, it is assumed that a message 500 sent from a domestic terminal is encoded using a domestic coding scheme of KSC5601. The message 500 is composed of 78 English characters and 1 Korean character. The total number of bytes is 80 bytes. It is also assumed that the maximum message size is preset to 80 bytes.

The message 500 sent from the domestic terminal is re-encoded in a foreign coding scheme decodable in the foreign terminal. The coded message 510 is changed from the total number of bytes to 158 bytes. In UCS2, all characters are used as 2 bytes, and in KSC5601, Korean characters are used as 2 bytes and English characters are used as 1 byte, so the total number of bytes is increased.

Since the coded message 510 exceeds a preset maximum message size, the message is separated to generate separate messages 520 and 530 of 80-byte and 78-byte sub-messages. The generated separated message is composed of 78 English letters and 1 Korean word as a whole. It has the same number of characters as the original message. The total number of bytes is 158 bytes, which increases the number of bytes than the size of the original message due to the coding scheme change.

A separate message composed of an 80 byte sub message 430 and a 78 byte sub message 440 is generated, and the separated messages 430 and 440 are recoded into KSC5601, which is a type of domestic coding scheme decodable to a domestic terminal. . This coded message is a change message containing 450 and 460. The 80-byte sub-message 520 and the 78-byte sub-message 530 mentioned above may each contain contiguous Concatenate ID information, and charge one or more sub-messages according to the billing policy. Can be.

The foregoing description is merely illustrative of the technical idea of the present invention, and various changes and modifications may be made by those skilled in the art without departing from the essential characteristics of the present invention. Therefore, the embodiments disclosed in the present invention are not intended to limit the technical idea of the present invention but to describe the present invention, and the scope of the technical idea of the present invention is not limited by these embodiments. The protection scope of the present invention should be interpreted by the following claims, and all technical ideas within the equivalent scope should be interpreted as being included in the scope of the present invention.

As described above, the present invention is applied to the SMS service technology, by providing a message format change function, there is an effect of providing a mutual SMS service between the foreign terminal and the domestic terminal having a difference in the message coding method and the message size, etc. This is a very useful invention that has the effect of improving SMS service satisfaction.

1 is a view showing a message server providing a message format change function for providing message interoperability according to the present invention;

2 is a flowchart illustrating a message format change method for providing message interoperability according to the present invention;

3 is a diagram illustrating a message delivery process including a message format changing method according to the present invention;

4 is a diagram illustrating a message format change method for delivering a message sent from a foreign terminal to a domestic terminal;

5 is a diagram illustrating a message format change method for delivering a message sent from a domestic terminal to a foreign terminal.

<Description of Symbols for Main Parts of Drawings>

100: message server

110: message receiving unit

120: calling terminal judgment unit

130: called terminal judgment unit

140: message format change unit

150: message transmission unit

Claims (34)

In a message server forwarding a message, A message receiving unit receiving a message including coding scheme information; An originating terminal determination unit for determining whether the originating terminal for the received message is a domestic terminal or a foreign terminal through the coding scheme information; A called terminal determining unit that determines whether the called terminal for the received message is a domestic terminal or a foreign terminal; On the basis of the determination results by the calling terminal determining unit and the called terminal determining unit, the coding scheme for the received message is changed and the message size of the received message is determined according to whether or not the message size of the received message exceeds a preset maximum message size. A message format changer for adjusting a message size of the received message and generating a change message; And A message transmitter for transmitting the generated change message Message server for performing a message format change function comprising a. In a message server forwarding a message, A message receiving unit receiving a message including coding scheme information; An originating terminal determination unit for determining whether the originating terminal for the received message is a domestic terminal or a foreign terminal through the coding scheme information; A called terminal determining unit that determines whether the called terminal for the received message is a domestic terminal or a foreign terminal; A message format changer for generating a change message through message size adjustment or coding scheme conversion for the received message based on the determination result by the caller terminal determiner and the called terminal determiner; And Including a message transmitter for transmitting the generated change message, And the message received by the message receiver is divided into two or more sub messages. 3. The method of claim 2, The sub message is, Message server for performing a message format change function, characterized in that it comprises the same sequence ID (Sequence ID) information. 3. The method of claim 2, The sub message is, Message server for performing a message format change function, characterized in that it comprises a sequence of concatenate ID (Concatenate ID) information. The method of claim 1, The coding scheme information, Message format characterized in that it is one of the domestic coding scheme information that is identification information for the domestic coding scheme for coding the message in the domestic terminal and the foreign coding scheme information that is identification information for the foreign coding scheme for coding the message in the foreign terminal. Message server performing the change function. The method of claim 5, The domestic coding scheme, Message server to perform the message format change function, characterized in that one of KSC5601, ASCII 7bit and ASCII 8bit. The method of claim 5, The foreign coding scheme, Message server performing a message format change function, characterized in that one of the UCS2 and GSM 7bit. The method of claim 1, The calling terminal determining unit, When the coding scheme information included in the received message is set to domestic coding scheme information, the originating terminal for the received message is determined as the domestic terminal, and the coding scheme information included in the received message is foreign. The message server for performing a message format change function, characterized in that, if the coding scheme information is set, the originating terminal for the received message is determined as the foreign terminal.  The method of claim 1, The called terminal determining unit, Sends a called terminal determination request message, receives a called terminal determination response message containing called terminal determination identification information, and the called terminal is domesticated through the called terminal determination identification information included in the received called terminal determination response message. Message server for performing a message format change function characterized in that it determines whether the terminal or a foreign terminal. The method of claim 9, The called terminal judgment identification information, Message server for performing a message format change function, characterized in that one of the domestic terminal identification information and the foreign terminal identification information. In a message server forwarding a message, A message receiving unit receiving a message including coding scheme information; An originating terminal determination unit for determining whether the originating terminal for the received message is a domestic terminal or a foreign terminal through the coding scheme information; A called terminal determining unit that determines whether the called terminal for the received message is a domestic terminal or a foreign terminal; A message format changer for generating a change message through message size adjustment or coding scheme conversion for the received message based on the determination result by the caller terminal determiner and the called terminal determiner; And Including a message transmitter for transmitting the generated change message, The calling terminal is determined to be a foreign terminal by the calling terminal determining unit; If the called terminal is determined to be a domestic terminal by the called terminal determining unit, The message format changing unit, And determining whether the message size for the received message exceeds a preset maximum message size. The method of claim 11, The message format changing unit, If it is determined that the message size for the received message exceeds the maximum message size, And separating the received message to be less than or equal to the maximum message size, and coding the separated message using the domestic coding scheme to generate the change message. The method of claim 11, The message format changing unit, If the message size for the received message is determined to be less than or equal to the maximum message size, The message server for performing a message format change function, characterized in that for generating the change message by coding the received message using the domestic coding scheme. In a message server forwarding a message, A message receiving unit receiving a message including coding scheme information; An originating terminal determination unit for determining whether the originating terminal for the received message is a domestic terminal or a foreign terminal through the coding scheme information; A called terminal determining unit that determines whether the called terminal for the received message is a domestic terminal or a foreign terminal; A message format changer for generating a change message through message size adjustment or coding scheme conversion for the received message based on the determination result by the caller terminal determiner and the called terminal determiner; And Including a message transmitter for transmitting the generated change message, The calling terminal is determined to be a foreign terminal by the calling terminal determining unit; If the called terminal is determined to be a foreign terminal by the called terminal determining unit, The message format changing unit, And determining whether the message size for the received message exceeds a preset maximum message size. 15. The method of claim 14, The message format changing unit, If it is determined that the message size for the received message exceeds the maximum message size, And separating the received message to be smaller than or equal to the maximum message size and generating the separated message as the change message. 15. The method of claim 14, The message format changing unit, If it is determined that the message size for the received message is less than or equal to the maximum message size, And a message format change function of generating the received message as the change message. In a message server forwarding a message, A message receiving unit receiving a message including coding scheme information; An originating terminal determination unit for determining whether the originating terminal for the received message is a domestic terminal or a foreign terminal through the coding scheme information; A called terminal determining unit that determines whether the called terminal for the received message is a domestic terminal or a foreign terminal; A message format changer for generating a change message through message size adjustment or coding scheme conversion for the received message based on the determination result by the caller terminal determiner and the called terminal determiner; And Including a message transmitter for transmitting the generated change message, If the calling terminal is determined to be a domestic terminal by the calling terminal determining unit and the called terminal is determined to be a foreign terminal by the called terminal determining unit, the message format changing unit uses the foreign coding scheme to receive the received message. The coded message, and if it is determined that the message size of the coded message exceeds a preset maximum message size using the foreign coding scheme, the coded message is separated to be smaller than or equal to the maximum message size, and the separated message is separated. And a message server for generating a message format change function. delete The method of claim 17, The message format changing unit, If the message size of the coded message is determined to be less than or equal to a preset maximum message size using the foreign coding scheme, And generate the coded message as the change message. The method of claim 12, The separated message is, Message server for performing a message format change function comprising the same sequence ID (Sequence ID) information and the newly set contiguous Concatenate ID (Concatenate ID) information. In the message format changing method performed by the message server forwarding the message, (a) a message receiving step of receiving a message including coding scheme information; (b) an originating terminal determining step of determining whether the originating terminal for the received message is a domestic terminal or a foreign terminal through the coding scheme information; (c) a called terminal determining step of determining whether the called terminal for the received message is a domestic terminal or a foreign terminal; (d) converting a coding scheme for the received message based on the determination result of steps (b) and (c) and whether the message size of the received message exceeds a preset maximum message size; A message format changing step of generating a change message by adjusting a message size of the received message according to the message format; And (e) a message transmitting step of transmitting the generated change message Message format change method provided by a message server comprising a. The method of claim 21, The coding scheme information, Message server characterized in that it is one of the domestic coding method information that is identification information for the domestic coding method for coding a message in the domestic terminal and the foreign coding method information that is identification information for the foreign coding method for coding a message in the foreign terminal. To change the message format provided. 23. The method of claim 22, The domestic coding scheme information, Method of changing the message format provided by the message server, characterized in that one of KSC5601, ASCII 7bit and ASCII 8bit. 23. The method of claim 22, The foreign coding scheme information, Method for changing the message format provided by the message server, characterized in that one of the UCS2 and GSM 7bit. In the message format changing method performed by the message server forwarding the message, (a) a message receiving step of receiving a message including coding scheme information; (b) an originating terminal determining step of determining whether the originating terminal for the received message is a domestic terminal or a foreign terminal through the coding scheme information; (c) a called terminal determining step of determining whether the called terminal for the received message is a domestic terminal or a foreign terminal; (d) a message format changing step of generating a change message through message size adjustment and coding scheme conversion on the received message, based on the determination result of steps (b) and (c); And (e) sending a message for transmitting the generated change message, In step (b), the calling terminal is determined to be a foreign terminal, In the step (c), if the called terminal is determined to be a domestic terminal, In step (d), And determining whether the message size for the received message exceeds a preset maximum message size. 26. The method of claim 25, In step (d), If it is determined that the message size for the received message exceeds the maximum message size, And dividing the received message to be less than or equal to the maximum message size, and coding the separated message by using a domestic coding scheme to generate the change message. 26. The method of claim 25, In step (d), If the message size for the received message is determined to be less than or equal to the maximum message size, And encoding the received message by using a domestic coding scheme to generate the change message. In the message format changing method performed by the message server forwarding the message, (a) a message receiving step of receiving a message including coding scheme information; (b) an originating terminal determining step of determining whether the originating terminal for the received message is a domestic terminal or a foreign terminal through the coding scheme information; (c) a called terminal determining step of determining whether the called terminal for the received message is a domestic terminal or a foreign terminal; (d) a message format changing step of generating a change message through message size adjustment and coding scheme conversion on the received message, based on the determination result of steps (b) and (c); And (e) sending a message for transmitting the generated change message, In step (b), the calling terminal is determined to be a foreign terminal, If it is determined in the step (c) that the called terminal is a foreign terminal, In step (d), And determining whether the message size for the received message exceeds a preset maximum message size. The method of claim 28, In step (d), If it is determined that the message size for the received message exceeds the maximum message size, And dividing the received message to be less than or equal to the maximum message size, and generating the separated message as the change message. The method of claim 28, In step (d), If it is determined that the message size for the received message is less than or equal to the maximum message size, The message format change method provided by the message server, characterized in that for generating the received message as the change message as it is. In the message format changing method performed by the message server forwarding the message, (a) a message receiving step of receiving a message including coding scheme information; (b) an originating terminal determining step of determining whether the originating terminal for the received message is a domestic terminal or a foreign terminal through the coding scheme information; (c) a called terminal determining step of determining whether the called terminal for the received message is a domestic terminal or a foreign terminal; (d) a message format changing step of generating a change message through message size adjustment and coding scheme conversion on the received message, based on the determination result of steps (b) and (c); And (e) sending a message for transmitting the generated change message, In step (b), if the calling terminal is determined to be a domestic terminal, and in step (c), if the called terminal is determined to be a foreign terminal, step (d) codes the received message using an external coding scheme. If it is determined that the message size of the coded message exceeds a preset maximum message size using the foreign coding scheme, the coded message is separated to be smaller than or equal to the maximum message size, and the separated message is divided into the change message. And a message format changing method provided by the message server. delete The method of claim 31, wherein In step (d), If the message size of the coded message is determined to be less than or equal to the maximum message size using the foreign coding scheme, Generating the coded message as the change message. The method of claim 26, The separated message is, A method of changing a message format provided by a message server, comprising the same sequence ID information and newly set contiguous concatenate ID information.

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