KR100602567B1 - Providing system and method by short message of condition of disconnected terminal abnormally in mobile communication network - Google Patents

Abstract

The present invention relates to a system and a method for providing a status of a terminal to a counterpart in a text message for abnormal termination of a mobile communication terminal, and distinguishes abnormal termination of a call due to a call termination key and an abnormal call termination due to a radio interference or battery discharge. By notifying the other terminal that was in a call, the misunderstanding can be eliminated and the call status can be easily checked.

 Accordingly, the present invention provides a base station for providing a call termination signal of a counterpart terminal during a call between terminals, a VLR for determining whether a call termination signal transmitted from the base station is a normal call termination signal, and a call transmitted by the determination of the VLR. SSP that receives status information and terminal information and triggers to SCP, and SSC that transmits the information triggered by the SSP to a terminal by including a predetermined short message format, wherein the VLR is a mobile communication terminal outside the home switching center. A database is provided to register the location of the mobile communication terminal. The base station ID nearest to the mobile communication terminal is registered, and the reason for abnormally terminating the call with the registered base station ID, ID information of the terminal and an occurrence time, etc. are provided. It features.

Mobile terminal, HLR, VLR, SMSC, SCP

Description

PROVIDING SYSTEM AND METHOD BY SHORT MESSAGE OF CONDITION OF DISCONNECTED TERMINAL ABNORMALLY IN MOBILE COMMUNICATION NETWORK}             

1 is a configuration diagram of a system for providing a status of a counterpart terminal in a text message according to the present invention;

2 is a flowchart illustrating a method of providing a status of a counterpart terminal in a text message according to the present invention.

<Explanation of symbols for the main parts of the drawings>

10: calling terminal 11, 19: BTS

12, 18: originating MSC / VLR 13, 17: SSP

14: HLR 15: SCP

16: SMSC 20: called terminal

The present invention relates to a system and method for providing a status of a terminal abnormally terminated in a mobile communication network as a text message to a counterpart terminal that has made a call. More particularly, the present invention relates to a system of a single terminal during a call between a called party and a caller in a mobile communication network. When the call is abnormally terminated due to an abnormality of the communication network or one mobile communication terminal, the reason for the abnormal termination is provided as a text message to the other one terminal.

Short Messge Service Center (Short Messge Service Center) is a communication service that is delivered in the form of a character (short) of a limited size between the mobile terminal and the mobile terminal or between the mobile terminal and the Short Message Entity (SME) at any moment Refers to a system that stores and forwards a short message transmitted to an unreceiving subscriber terminal until the subscriber can receive it and delivers it to the called subscriber in a call.

The characteristics of the short message service is that the short message can be delivered in the form of a database character using an access channel and a paging channel as well as a traffic channel, thereby enabling service regardless of the operating state of the terminal.

SMSC can be used in both GMS (Group Special Mobile) and IS-41C networks. SMS is an independent node with its own Signaling Point Code (SPC) in SS7 (Signalling System 7) network, and is connected to Home Location Resister (HLR) and Mobile Service Center (MSC). It has a function of detecting the location of the receiver and delivering a short message to mobile subscribers via PLMN (Pubilc Land Mobile Network).

The present invention uses the conventional short-term service transmission such as the other end of the abnormal termination of the call between the mobile communication terminals to eliminate the problem that may cause the other party to misunderstand the other end of the state of the terminal abnormally terminated Is to provide as a text message to the terminal.

Accordingly, the present invention is to solve the above-mentioned conventional problems, when the user of the mobile communication terminal abnormally terminated during the call, the reason for termination cannot be confirmed, and it is difficult to easily recognize the terminated state. The present invention provides a system and method for providing a text message of a status of an abnormally terminated terminal in a mobile communication network that transmits a text message indicating a reason for termination to a counterpart terminal so as to solve a problem of misunderstanding.

In order to achieve the object of the present invention as described above, a system for providing a status of a terminal abnormally terminated in a mobile communication network as a text message includes a base station for providing a call termination signal of a counterpart terminal during a call between terminals, and transmitting from the base station. A VSP that determines whether the terminated call signal is a normal call termination signal, an SSP that receives the call state information and the terminal information transmitted by the determination of the VLR and triggers the SCP, and presets the information triggered by the SSP. The SLR includes a short message format and transmits to the terminal. The VLR includes a database for registering the location of the mobile communication terminal outside the home switching center. The base station ID closest to the mobile communication terminal is registered. Cause of abnormal termination of call with registered base station ID, ID information of terminal It characterized in that it provides a generation time or the like.

In the mobile communication network for achieving the object of the present invention as described above, the method for providing a status of the terminal terminated abnormally in a text message, the call request signal from the mobile communication terminal to the other terminal is normally connected to the call is one side Recognizing that the call is terminated by the mobile communication terminal of the mobile station; determining whether the terminated mobile communication terminal is normally terminated by an end button or abnormally terminated due to a shadow area, battery discharge, etc .; When the terminated terminal is abnormally terminated, transmitting the cause and terminal information of the terminal identified by the VLR (Visitor Location Register) belonging to the terminal to the service switching point (SSP) of the exchange, and to the SSP Cause information, terminal information, occurrence of abnormal abnormal termination terminal And the like liver, including the step and cause the at least a pre-set SMS message format for the SCP, the information of the terminal, time of occurrence, such as a trigger (Service Control Point) SCP comprises a step of sending to the other party terminal.

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

1 is a configuration diagram of a system for providing a status of a counterpart terminal in a text message according to the present invention.

As shown in FIG. 1, a system for providing a text message of a status of an abnormally terminated terminal in a mobile communication network includes a mobile communication terminal 10, a BTS 11, 19, and an MSC / VLR 12, 18. , SSP (13, 17), HLR (14), SCP (15), SMSC (16), the other party mobile communication terminal (20).

First, when the number of the terminal to be called from the caller terminal 10 is input, the BTS 11 obtains the position of the terminal corresponding to the input number from the HLR 14 and corresponds to the input number. Attempts to connect to the base station (BTS) to which the terminal 20 belongs.

The home location register (HLR) 14 is a database that stores information of the user of the mobile communication terminal, and has a type of service and ID information.

The home position means the first position to be searched when finding the location of the wireless telephone, which can be checked simply by the telephone number.

Generally, the base station closest to the mobile terminal to which the mobile terminal is registered is registered as a home location. When the first call is made using the mobile terminal, the home switching center ID registered in the HLR is tracked in the corresponding base station of the switching center. If the mobile communication terminal is located, and if the result of the mobile communication terminal does not exist in the base station jurisdiction of the switching center, the database of the VLR (12, 18) is searched.

The VLR (Visitor Location Register) 12, 18 is a database that registers the location of the mobile communication terminal outside the home switching center, and the mobile communication terminal frequently announces its location through the base station closest to the VLR. At 12 and 18, the base station ID closest to the mobile communication terminal is registered.

If the mobile communication terminal is dialed and the mobile communication terminal is not found at the home location, the base station ID registered in the VLRs 12 and 18 is found and the signal is transmitted to the mobile communication terminal.

In addition, when the mobile communication terminal is terminated, whether the normal end of the call by pressing the end button and closing the flip / folder, or whether the end of the abnormal call due to communication failure or battery discharge, the terminal is terminated with the information of the mobile communication terminal The above information is notified to the service switching point (SSP) 17 in order to transmit the status to the counterpart terminal in the call.

The SSP 17 recognizes an intelligent network call and triggers the terminal ID and terminal information transmitted from the VRLs 12 and 18, status information according to the cause of the terminal error, and occurrence time information to the SCP 15 to trigger the counterpart. The text message is sent to the terminal.

2 is a flowchart illustrating a method of providing a status of a counterpart terminal in a text message according to the present invention.

As shown in FIG. 2, in the method of providing a text message of a state of an abnormally terminated terminal in the mobile communication network, a call request signal from the mobile communication terminal to another terminal is inputted so that a call is normally connected (S100). It is recognized that the call is terminated by one of the mobile communication terminal (S110).

In this case, when the mobile communication terminal requests a call by inputting the terminal number of the other party to be called, the mobile communication terminal connects to the home switching center of the mobile communication terminal and tracks the location of the terminal. 14) the terminal receives location information.

If location tracking of the terminal is impossible in the HLR 14, a signal may be connected to the terminal through another exchange ID number registered in the VRLs 12 and 18.

That is, when the mobile communication terminal is outside the home switching center, the exchange sends a message to the HLR 14 to which the subscriber belongs by using routing information (tracking route) stored in a signaling transfer point signal transmission point (STP). do.

Subsequently, the VLRs 12 and 18 to which the mobile communication terminal belongs determine whether the terminated mobile communication terminal is normally terminated by an end button or abnormally terminated due to a shaded area or a battery discharge. S120).

When the terminated terminal is abnormally terminated, an abnormal cause of the terminal identified by the VLR (Visitor Location Register) to which the terminal belongs, terminal information (ID), and the time when the call is terminated, the service switching point (SSP) of the exchange. Transmit to (S130).

If trigger (S140) triggers an abnormal cause information, terminal information (ID), call termination time information, etc. of the abnormally terminated terminal to which the SSP is transmitted (S140) (S140), the SCP (15) In step S150, the abnormal short message triggered by the SSP in the short message format is transmitted to the counterpart terminal, including the terminal information, the call termination occurrence time, and the like.

Accordingly, the counterpart terminal receiving the text message can solve the misunderstanding of one end of the call and can easily grasp the state of the terminal.

Although the preferred embodiments of the present invention have been illustrated and described above, the present invention is not limited to the above-described embodiments, and the present invention is not limited to the above-described embodiments without departing from the spirit of the present invention as claimed in the claims. Of course, any person skilled in the art can make various modifications, and such changes are within the scope of the claims.

 As described above, according to the present invention, a visitor location register (VRL) capable of confirming the call termination key input of the other party during a call between mobile communication terminals determines the cause of the call termination by the service control system ( SCP: Service Control Point) has the effect of easily confirming the intention and the call status of the terminated terminal user by sending a text message to the other terminal.

Claims (3)

A base station providing a call termination signal of a counterpart terminal during a call between terminals; A database for registering the location of the terminal outside the home switching center is provided to register the base station ID nearest to the terminal, and determines whether the call termination signal transmitted from the base station is an abnormal call termination signal. A visitor location register (VLR) that provides a cause for abnormally ending a call with a base station ID, ID information of the terminal, and an occurrence time; Service Switching Point (SSP) for receiving the call state information and the terminal information transmitted by the determination of the VLR to trigger a Service Control Point (SCP); And SCP which transmits information triggered by the SSP to a counterpart terminal in a preset short message format System for providing a text message of the status of the other terminal terminated abnormally in a mobile communication network comprising a. (a) at the base station, recognizing that the call is terminated by one of the terminals in the inter-terminal call state; (b) determining, by the VLR (Visitor Location Register), whether the terminated one terminal is normally terminated by an end button or abnormally terminated including a shadow area and a battery discharge; (c) if it is determined that the terminal is abnormally terminated, transmitting the cause and terminal information of the terminal identified by the VLR to which one terminal belongs to a service switching point (SSP) of the exchange; (d) triggering abnormal call termination data, including abnormal cause information, terminal information, and occurrence time, of one terminal transmitted to the SSP to a service control point (SCP); And (e) transmitting the abnormal call termination data to the counterpart terminal in the short message format preset in the SCP; Method for providing a text message of the status of the terminal terminated abnormally in a mobile communication network comprising a. The method of claim 2, wherein step (c) The method for providing a text message of the status of the terminal terminated abnormally in the mobile communication network, characterized in that finding the location of the terminal through the base station ID registered in the VRL.

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