KR101054085B1 - Message read confirmation service method and mobile communication system therefor - Google Patents

Abstract

The present invention relates to a message read confirmation service method and a mobile communication system for the same.

The present invention comprises the steps of: receiving a request for transmission of a message including a read confirmation request from an originating mobile communication terminal; Checking whether or not the incoming mobile communication terminal is set for call forwarding; When the incoming mobile communication terminal is set to forward to the last mobile communication terminal, confirming whether or not the last mobile communication terminal provides message read confirmation information; And when it is confirmed that the recipient mobile communication terminal provides the message read confirmation information, transmitting a message including the read confirmation request to the recipient mobile communication terminal.

According to the present invention, the message read confirmation service can be provided even when the incoming mobile communication terminal is switched. Further, even when the called mobile communication terminal does not provide the message read confirmation information, it is convenient to inform the calling mobile communication terminal of the message read confirmation service status.

Message, short message, SMS, MMS, multimedia message, call forwarding, read receipt

Description

Method for providing message reading confirmation service and mobile communication system

The present invention relates to a message service of a mobile communication terminal. More specifically, the present invention relates to a method for servicing a message read confirmation of a call forwarded mobile communication terminal and a mobile communication system therefor.

Recently, with the development of mobile communication technology, a message service capable of transmitting and receiving various messages such as a short message, a multimedia message, and the like between an outgoing mobile communication terminal and a destination mobile communication terminal has been used in various ways. For example, when the incoming mobile terminal receiving the short message confirms the received short message in the short message service (SMS), the short message read confirmation service notifies the sending mobile terminal of the short message read confirmation. Is being provided.

The message read confirmation service is a method of providing a read confirmation message to the calling terminal only when the called mobile communication terminal provides read confirmation information of the message. That is, the message read confirmation service method has a disadvantage in that when the called mobile communication terminal does not provide read confirmation information, it is not possible to inform the calling mobile terminal of the availability of the read confirmation service of the called mobile communication terminal.

Therefore, there is a need for a method capable of informing the calling mobile terminal of the read confirmation service state of the called mobile terminal even when the called mobile terminal does not provide the message read confirmation information.

In particular, when a terminating mobile communication terminal is subscribed to a call forwarding service, there is a need for a method for providing a message read confirmation service of a terminating mobile communication terminal that will finally receive a message.

Accordingly, an aspect of the present invention is to provide a method and a mobile communication system for servicing a message read confirmation of a call forwarded mobile communication terminal.

Message read confirmation service method according to an aspect of the present invention,

CLAIMS 1. A method for servicing a read receipt for a message sent from an outgoing mobile terminal to an incoming mobile terminal in a mobile communication system, the method comprising: a) receiving a request for transmission of a message including a read confirmation request from the outgoing mobile terminal; b) checking whether or not the incoming mobile communication terminal is set for call forwarding; c) when the incoming mobile communication terminal is set to forward to the last mobile communication terminal, checking whether the last mobile communication terminal provides message read confirmation information; And d) if it is confirmed that the recipient mobile communication terminal provides the message read confirmation information, transmitting the message including the read confirmation request to the recipient mobile communication terminal.

Mobile communication system according to another aspect of the present invention,

A mobile communication system that services read receipt for a message sent from an originating mobile communication terminal to a called mobile communication terminal, the mobile communication system receiving a request for transmitting a message including a read confirmation request from the originating mobile communication terminal to the called mobile communication terminal; Sending message service center; A home location register for providing incoming call setting information of the incoming mobile communication terminal and location information of the last incoming mobile communication terminal when the mobile communication terminal is set to transfer to the last incoming mobile communication terminal; A subscriber database for storing whether a mobile communication terminal to which the message is to be received provides a message read confirmation; And determining the mobile communication terminal to which the message is to be received by using the call forwarding setting information of the incoming mobile communication terminal, and according to whether the message read confirmation of the mobile communication terminal to which the message is to be received is provided. And a read receipt service server for providing read receipt of said message to a mobile communication terminal.

According to the present invention, the message read confirmation service can be provided even when the incoming mobile communication terminal is switched.

In addition, even when the incoming mobile communication terminal does not provide the message read confirmation information when the call is transferred, it is convenient to inform the calling mobile terminal of the status of the message read confirmation service.

DETAILED DESCRIPTION Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings so that those skilled in the art may easily implement the present invention. The present invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. In the drawings, parts irrelevant to the description are omitted for simplicity of explanation, and like reference numerals designate like parts throughout the specification.

Throughout the specification, when a part is said to "include" a certain component, it means that it can further include other components, without excluding other components unless specifically stated otherwise. In addition, the terms “… unit”, “… unit”, “module”, etc. described in the specification mean a unit that processes at least one function or operation, which may be implemented by hardware or software or a combination of hardware and software. have.

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

The following description may be equally applicable to a message read confirmation service for various messages such as a multi-message as well as a short message. For the sake of brevity, only the message read confirmation service for a short message will be described below.

1 is a view showing the structure of a mobile communication system for providing a short message read confirmation service according to an embodiment of the present invention.

As shown in FIG. 1, a mobile communication system according to an embodiment of the present invention includes an outgoing mobile communication terminal (hereinafter, referred to as a "sending terminal" for convenience) 100, a mobile communication network 200, and at least one incoming mobile communication terminal. (Hereinafter referred to as a 'terminating terminal') 300. At this time, the mobile communication network 200 according to an embodiment of the present invention is a mobile switching center (hereinafter referred to as "MSC") 210, the Home Location Register (hereinafter referred to as "HLR") 220 ), Short message service center (hereinafter referred to as 'SMSC') 230, read receipt service server 240, subscriber database (hereinafter referred to as 'DB') 250 and destination exchange 260. In this case, data transmitted and received between each mobile communication terminal and the MSC is wirelessly transmitted and received through a base station (not shown) and a base station controller (not shown). In addition, in the embodiment of the present invention, for convenience of explanation, the calling terminal 100 and the called terminal 300 are shown to belong to the area of one HLR 220, and the called terminal 300 is one called MSC 260. It is shown to belong to the area of.

The calling terminal 100 is a mobile communication terminal capable of providing a mobile communication service such as a voice and video call and enabling a short message service. In this case, the calling terminal 100 generates a short message including data written by the user and transmits the short message to the called terminal 300 through the mobile communication network 200. In addition, the calling terminal 100 receives a short message read confirmation message of the called terminal 300 received through the mobile communication network 200 and displays it on the screen.

Specifically, the calling terminal 100 generates a short message including short message data, identification information of the called terminal 300 and a read confirmation request parameter. At this time, in the embodiment of the present invention, when the calling terminal 100 requests the short message read confirmation when the short message is transmitted or does not request, the value of the read confirmation request parameter is set to a specific value. On the other hand, the calling terminal 100 may also generate a short message that does not include a read confirmation request parameter when the short message read confirmation is not requested.

The mobile communication network 200 transmits a short message transmitted and received between the calling terminal 100 and the called terminal 300 through a call processing procedure. In this case, the configuration of the mobile communication network 200 to which the short message read confirmation service of the switched call communication terminal according to the embodiment of the present invention is applied will be described in detail below.

The called terminal 300 is a called target mobile communication terminal to which the calling terminal 100 intends to transmit a short message. At this time, in the embodiment of the present invention, the call destination mobile communication terminal to which the calling terminal 100 transmits the short message among the at least one called terminal 300 is represented as the first called terminal 301. In addition, a final destination mobile communication terminal to which the first destination terminal 301 is transferred is represented as a second destination terminal 302.

At this time, the final destination terminal, that is, the second destination terminal 302 that finally receives the short message sent from the calling terminal 100 when the user confirms the received short message, the corresponding short message read confirmation information to the mobile communication network 200 Posted by

On the other hand, the mobile communication network 200 to which the short message read confirmation service of the forwarded mobile communication terminal according to an embodiment of the present invention is applied includes the following configuration.

The originating MSC 210 and the terminating MSC 260 of the mobile communication network 200 perform various functions related to call connection and additional services of the originating terminal 100 and the terminating terminal 300, respectively. At this time, the additional service includes a short message service.

The HLR 220 includes location information and additional service information of a mobile communication terminal subscribed to a mobile communication service. At this time, the additional service information includes the call forwarding service subscription information of the corresponding mobile communication terminal. The HLR 220 receives the location information request of a specific mobile communication terminal from the SMSC 220 and serves to provide current location information of the mobile communication terminal. In the embodiment of the present invention, the case in which the current state of the mobile communication terminal is setting the call forwarding service is shown as a case of subscribing to the forwarding service. That is, the call forwarding service subscription information is information indicating that the state of the mobile communication terminal is currently setting the call forwarding service.

At this time, when the HLR 220 according to the embodiment of the present invention receives a location information request of a specific mobile communication terminal, that is, the first destination terminal 301 from the SMSC 230, among the additional service information of the first destination terminal 301 Check the forwarding service subscription information. In addition, the HLR 220 transmits the forwarding service subscription fact or location information of the first destination terminal 301 to the SMSC 230.

That is, when the first destination terminal 301 is subscribed to the call forwarding service, the HLR 220 transmits the forwarding service subscription information to the SMSC 230 indicating that the call forwarding service is subscribed to. In contrast, when the first destination terminal 301 is not subscribed to the call forwarding service, the HLR 220 checks the current location information of the first destination terminal 301 and transmits the current location information to the SMSC 230.

Meanwhile, in the embodiment of the present invention, it is shown that the HLR 220 delivers the call forwarding service subscription information to notify the SMSC 230 when the first called terminal 301 subscribes to the call forwarding service. However, the HLR 220 checks the fact that the first destination terminal 301 subscribes to the forwarding service, and then sends the SMSC 230 the location information of the final destination mobile communication terminal, that is, the second destination terminal 302 together with the forwarding service subscription information. It is also possible to provide.

At this time, the HLR 220 is a call forwarding service subscription information of a specific mobile communication terminal, i.e., the first called terminal 301, and the last called mobile communication terminal to which the specific mobile communication terminal is forwarded, that is, of the second called terminal 302. Identification information can be managed together. In addition, the HLR 220 according to the embodiment of the present invention obtains the identification information of the second destination terminal 302 from the subscriber DB 250, and the location information of the second destination terminal 302 using the identification information May be transferred to the SMSC 230. For example, when the first destination terminal 301 requested for location information is subscribed to the call forwarding service, the HLR 220 transfers the final destination including the first destination terminal 301 identification information to the subscriber DB 250. Request communication terminal identification information.

The SMSC 230 transfers a short message between mobile communication terminals and is responsible for storing and managing the short message.

At this time, the SMSC 230 according to the embodiment of the present invention transmits the first called terminal 301 to the HLR 220 by using the identification information of the called target mobile communication terminal included in the short message requested to be transmitted from the calling terminal 100. Request location information. The SMSC 230 obtains call forwarding service subscription information or location information of the first destination terminal 301 from the HLR 220 in response to the location information request.

In addition, the SMSC 230 checks the read confirmation request parameter value included in the short message requested to be transmitted from the calling terminal 100. At this time, when the read confirmation request parameter value is a value for requesting read confirmation of the short message, the SMSC 230 transmits the short message read confirmation service request to the read confirmation service server 240. In this case, the short message read confirmation service request includes identification information of the target mobile communication terminal, call forwarding service subscription information, and read confirmation request information (that is, read confirmation request parameter).

On the other hand, when the read confirmation request parameter value is a value that does not request read confirmation of the short message, the SMSC 230 transmits the short message using the acquired location information or the call forwarding service subscription information of the first called terminal 301. . In this case, when the first called terminal 301 subscribes to the call forwarding service, the SMSC 230 may HLR the position information of the last called terminal to which the first called terminal 301 is forwarded, that is, the second called terminal 302. Obtaining from 220, and transmits a short message to the second destination terminal 302.

In addition, the SMSC 230 according to an exemplary embodiment of the present invention transmits a read confirmation message received from a called terminal providing a read confirmation service or a read confirmation service status notification message transmitted from the read confirmation service server 240. To pass.

The read acknowledgment service server 240 provides a short message read acknowledgment service according to whether the incoming confirmation mobile communication terminal provides read acknowledgment information according to the short message read acknowledgment service request received from the SMSC 230.

Specifically, the read confirmation service server 240 uses the call forwarding service subscription information and identification information of the incoming target mobile communication terminal included in the short message read confirmation service request from the subscriber DB 250 to the short message of the target mobile communication terminal. Acquires whether to provide message read confirmation information.

Then, when it is determined that the incoming target mobile communication terminal provides the short message read confirmation information, the read confirmation service server 240 sends a short message transmission request including the read confirmation request information (that is, the read confirmation request parameter) to the SMSC ( 230).

On the other hand, when the read confirmation service server 240 determines that the incoming target mobile communication terminal does not provide the short message read confirmation information, it generates a read confirmation service status notification message informing the user that the read confirmation service is not available. Transfer to the calling terminal 100 through the SMSC (230).

The read confirmation service status notification message includes identification information of the calling terminal 100 and data indicating that the read confirmation service cannot be performed. The read confirmation service server 240 transmits a short message transmission request that does not include read confirmation request information to the SMSC 230.

At this time, the read confirmation service server 240 according to an embodiment of the present invention is a call forwarding when the incoming target mobile communication terminal is subscribed to the call forwarding service, that is, when the short message read confirmation service request includes the call forwarding service subscription information The mobile terminal, that is, the read confirmation information provision data of the last mobile terminal is obtained from the subscriber DB (250).

Specifically, when the read confirmation service server 240 receives the short message read confirmation service request from the first destination terminal 301, the call forwarding service subscription information of the first destination terminal 301 to the subscriber DB 250. And requesting whether the short message read confirmation information including identification information is provided.

The subscriber DB 250 stores whether call forwarding information and short message read confirmation information of the mobile communication terminals subscribed to the mobile communication service are provided. Specifically, the subscriber DB 250 stores identification information and read confirmation information of the mobile communication terminal to be forwarded to match the identification information of each mobile communication terminal.

The subscriber DB 250 receives a read request information of a specific mobile communication terminal from the read confirmation service server 240 and provides a read request information of the specific mobile communication terminal.

In this case, the subscriber DB 250 is included in the identification information of the first called terminal 301 when the request for providing read confirmation information is included in the call forwarding service subscription information of a specific mobile communication terminal, that is, the first called terminal 301. Provides data whether or not read confirmation information is provided by the matched call forwarding target mobile communication terminal, that is, the second called terminal 302.

Hereinafter, a method of providing a short message read confirmation service according to an embodiment of the present invention will be described in detail with reference to FIGS. 2 and 3.

2 is a flowchart illustrating a method of providing a short message read confirmation service according to an embodiment of the present invention.

In this case, in FIG. 2, the first called terminal 301 to which the calling terminal 100 transmits the short message is forwarded to the second called terminal 302, and the second called terminal 302 reads the short message. It was shown to provide.

In addition, in FIG. 2, for convenience of description, a base station (not shown), a base station controller (not shown), and origination / reception for transmitting a short message transmitted and received from the originating terminal 100 and the second destination terminal 302 to the SMSC 230. MSCs 210 and 260 are omitted.

First, the calling terminal 100 transmits a short message transmission request to the SMSC 230 (S400). In this case, the short message requested to be transmitted may be short message data, a read confirmation request parameter which is information for requesting a short message read confirmation, identification information of the calling terminal 100 and identification of a first called terminal 302 which is a target mobile communication terminal. Contains information.

Then, the SMSC 230 requests the HLR 220 for location information of the first called terminal 301 to transmit the received short message (S401).

Upon receiving the location information request, the HLR 220 checks whether the first destination terminal 301 subscribes to the call forwarding service (S402), and when it is determined that the first destination terminal 301 subscribes to the call forwarding service, The call forwarding service subscription information of the called terminal 301 is transmitted to the SMSC 230 (S403).

Then, the SMSC 230 confirms the read confirmation request of the short message requested to be transmitted (S404). That is, the SMSC 230 checks the read confirmation request parameter value included in the short message to confirm the read confirmation request fact of the short message requested to be transmitted.

When the read confirmation of the short message requested to be transmitted is requested as above, the SMSC 230 requests the short message read confirmation service from the read confirmation service server 240 (S405). At this time, the short message read confirmation service request includes identification information of the first called terminal 301 and the calling terminal 100 included in the requested short message, and the call forwarding service subscription information of the first called terminal 301. Included.

Upon receiving the read confirmation service request, the read confirmation service server 240 checks whether the first destination terminal 301 subscribes to the call forwarding service (S406), and the second destination terminal 301 is forwarded. In step S407, the receiving terminal 302 transmits a notification request for providing read confirmation information to the subscriber DB 250.

At this time, the read confirmation service server 240 according to the embodiment of the present invention makes the second destination terminal 302 by requesting notification of providing read confirmation information including the call forwarding service subscription information and the identification information of the first destination terminal 301. ) Can be requested to provide read confirmation information.

Then, the subscriber DB 250 confirms whether the first destination terminal 301 provides the short message read confirmation information to which the first destination terminal 301 is to be forwarded in response to the request for providing read confirmation information (S408).

In addition, the subscriber DB 250 transmits the read confirmation information providing notification response including the read confirmation information providing data of the second called terminal 302 to the read confirmation service server 240 (S409). In this case, the read confirmation information providing notification response includes data indicating that the second called terminal 302 is a terminal that provides the short message read confirming information and identification information of the second called terminal.

Then, the read confirmation service server 240 checks the data included in the read confirmation information providing notification response (S410) and makes a short message transmission request including the read confirmation request information to the SMSC 230 (S411). The short message transmission request includes a read confirmation request parameter and identification information of the second called terminal 302.

Then, the SMSC 230 requests location information from the HLR 220 using the identification information of the second destination terminal 302 included in the short message transmission request (S412).

Then, the HLR 220 checks the current location information of the second called terminal 302 and transmits it to the SMSC 230 (S413).

The SMSC 230 having acquired the location information of the second called terminal 302 transmits a short message including read confirmation request information (ie, read confirmation request parameter) to the second called terminal 302 (S414).

Meanwhile, the SMSC 230 according to the embodiment of the present invention receives the location information of the second destination terminal 302 together with the call forwarding service subscription information of the first destination terminal 301 by the HLR 220 in step S403. can do. In this case, steps S412 and S413 may be omitted, and the SMSC 230 may immediately perform step S414 to transmit a short message including read confirmation request information to the second called terminal 302.

3 is a flowchart illustrating a method of providing a short message read confirmation service by a read confirmation service server according to an exemplary embodiment of the present invention.

When the read confirmation service server 240 receives the short message read confirmation service request (S500), the read confirmation service server 240 checks the information of the called terminal included in the read confirmation service request (S510). At this time, the read confirmation service server 240 confirms the identification information and the call forwarding service subscription information of the called terminal.

The read confirmation service server 240 determines whether the called terminal is subscribed to the call forwarding service (S520). At this time, the read confirmation service server 240 according to an embodiment of the present invention determines that the called terminal is in the call forwarding service when the read confirmation service request includes the call forwarding service subscription information of the called terminal.

If the called terminal is subscribed to the call forwarding service, the read confirmation service server 240 checks the information of the last called terminal to which the called terminal is forwarded (S531). At this time, the read confirmation service server 240 obtains from the subscriber DB 250 whether or not the short message read confirmation information of the last called terminal to which the called terminal is switched is provided.

Then, the read confirmation service server 240 determines whether the final terminal can provide the short message read confirmation information (S540).

In this case, when the destination terminal provides the short message read confirmation information, the read confirmation service server 240 sends the short message transmission request including the read confirmation request information (for example, the read confirmation request parameter) to the SMSC 230. Transfer (S550). That is, the read confirmation service server 240 transmits a short message requesting the read confirmation to the destination terminal. Such a short message includes identification information of the last destination terminal, and the SMSC 230 transmits the short message using the identification information of the last destination terminal.

On the other hand, if it is determined that the destination terminal does not provide the short message read confirmation information, the read confirmation service server 240 generates a read confirmation service status notification message indicating that the short message read confirmation of the destination terminal is impossible and generates an SMSC. Request transmission to 230 (S560). The read confirmation service status notification message includes identification information of the calling terminal 100, and the SMSC 230 notifies the calling terminal 100 of the reading confirmation service status notification of notifying the short message reading confirmation service of the last called terminal. Send a message.

In addition, when the final terminal does not provide the short message read confirmation information, the read confirmation service server 240 sends a short message transmission request that does not include read confirmation request information when the read confirmation service status notification message is transmitted. Can be delivered simultaneously.

On the other hand, if it is determined that the called terminal does not subscribe to the call forwarding service in step S520, the read confirmation service server 240 determines whether the called terminal can provide read confirmation information (S532). In this case, the read confirmation service server 240 may first perform a step of confirming whether the short message read confirmation information data of the called terminal obtained from the subscriber DB 250 is provided.

At this time, when the called terminal can provide read confirmation information, the read confirmation service server 240 performs step S550. At this time, the transmission target of the short message including the read confirmation request information is the called terminal. That is, the short message transmission request includes identification information of the called terminal.

On the other hand, when the called terminal does not provide read confirmation information, the read confirmation service server 240 performs step S560. In this case, the read confirmation service status notification message includes a content indicating that the read confirmation service of the called terminal is impossible, and the short message that does not include the read confirmation information includes identification information of the called terminal.

Although the embodiments of the present invention have been described in detail above, the scope of the present invention is not limited thereto, and various modifications and improvements of those skilled in the art using the basic concepts of the present invention defined in the following claims are also provided. It belongs to the scope of rights.

1 is a view showing the structure of a mobile communication system for providing a short message read confirmation service according to an embodiment of the present invention.

2 is a flowchart illustrating a method of providing a short message read confirmation service according to an exemplary embodiment of the present invention.

3 is a flowchart illustrating a method of providing a short message read confirmation service by a read confirmation service server according to an exemplary embodiment of the present invention.

Claims (9)

In the mobile communication system for providing a read confirmation for the message sent from the originating mobile communication terminal to the destination mobile communication terminal, a) receiving, by the mobile communication system, a request for transmission of a message including a read confirmation request from the originating mobile communication terminal; b) checking, by the mobile communication system, whether the incoming mobile communication terminal is set for call forwarding; c) checking, by the mobile communication system, whether or not the last mobile communication terminal provides message read confirmation information when the incoming mobile communication terminal is set to transfer to the last mobile communication terminal; d) if it is confirmed that the recipient mobile communication terminal provides message read confirmation information, the mobile communication system transmitting a message including the read confirmation request to the recipient mobile communication terminal; And e) when it is confirmed that the terminal mobile communication terminal does not provide the message read confirmation information, the mobile communication system notifies the calling mobile terminal that the message reading confirmation of the terminal mobile communication terminal is impossible; Transmitting a message not including a read confirmation request to the mobile terminal to which the message is to be received; Message read confirmation service method comprising a. delete The method of claim 1, Confirming, by the destination mobile communication terminal, whether call forwarding is provided in step b), whether message reception confirmation information is provided by the destination mobile communication terminal; And If it is determined that the called mobile communication terminal does not provide the message read confirmation information, informing the calling mobile communication terminal that the message read confirmation of the called mobile communication terminal is impossible. Message read confirmation service method further comprising. The method of claim 3, wherein After the step of informing that the message read confirmation is not possible, Transmitting a message not including a read confirmation request to the mobile communication terminal to which the message is to be received; Message read confirmation service method further comprising. In the mobile communication system that services the read confirmation for the message sent from the originating mobile communication terminal to the destination mobile communication terminal, A message service center that receives a request for transmission of a message including a read confirmation request from the originating mobile communication terminal and transmits the message to the destination mobile communication terminal; Provides location information of a mobile communication terminal, and provides call forwarding setting information of the called mobile communication terminal and an identification number of the last called mobile communication terminal when the incoming mobile communication terminal is set to forward to the last mobile communication terminal. A home location register; A subscriber database for storing whether a mobile communication terminal to which the message is to be received provides a message read confirmation; And Determine the mobile communication terminal to which the message is to be received by using the call forwarding setting information of the incoming mobile communication terminal, and when the incoming mobile communication terminal is set to forward to the last mobile communication terminal, the last incoming call stored in the subscriber database; A read confirmation service server that provides read confirmation of the message to the calling mobile terminal according to whether the communication terminal provides read receipt of the message, The read confirmation service server, When the mobile communication terminal to which the message is to be provided provides the message read confirmation, transmits a message including a read confirmation request to the mobile communication terminal to which the message is to be received through the message service center, If the mobile terminal to which the message is to be received does not provide a message read confirmation, the message service center informs the calling mobile terminal that the message read confirmation of the mobile terminal to which the message is to be received is impossible, and the message is received. Transmitting a message not including a read confirmation request to a mobile communication terminal to which the message is to be received through a service center; Mobile communication system, characterized in that. The method of claim 5, The read confirmation service server confirms that the last mobile communication terminal reads the message from the subscriber database by using the identification number of the last mobile communication terminal provided from the home location register when the incoming mobile communication terminal is set for call forwarding. Mobile communication system, characterized in that checking the availability. delete delete The method of claim 5, The read confirmation service server, If the mobile communication terminal to which the message is to be called is the final mobile terminal, check whether or not to provide the message read confirmation of the last mobile terminal, When the mobile communication terminal to which the message is to be received is the called mobile communication terminal, confirming whether or not to provide a message read confirmation of the called mobile communication terminal; Mobile communication system, characterized in that.

Images