KR100280211B1 - Monitoring method of illegal terminal use in mobile communication network - Google Patents

Abstract

The present invention relates to a method for monitoring illegal terminal use in a mobile communication network. Particularly, a subscriber who has recorded the contents of a call between a stolen or lost illegal terminal and a called terminal by using a multi-call connection function and recorded the request in a voice mail service system. The present invention relates to a method for monitoring illegal terminal use in a mobile communication network.

Conventionally, in the monitoring operation for the use of such illegal terminal, since the switch information is fixed in the wired exchange system, only the call channel for the illegal terminal is monitored, but in the case of wireless exchange, that is, the mobile terminal system, the illegal terminal Since the switch information is constantly changed, the monitoring is very complicated and difficult, so it is difficult to recover expensive mobile communication terminals.

According to the present invention, when a call setup request using an illegal terminal is requested in a mobile communication network, the call exchange system connects multiple calls interworking with the voice mail service system to record the contents of a call between the illegal terminal and the called terminal in the voice mailbox service system. By sending the contents of a call to the subscriber who has requested the recording, it becomes possible to monitor the use of the illegal terminal and at the same time to quickly collect the terminal.

Description

Monitoring method of illegal terminal use in mobile communication network

The present invention relates to a method for monitoring illegal terminal use in a mobile communication network. Particularly, a subscriber who has recorded the contents of a call between a stolen or lost illegal terminal and a called terminal by using a multi-call connection function and recorded the request in a voice mail service system. The present invention relates to a method for monitoring illegal terminal use in a mobile communication network.

In general, when a mobile communication service subscriber is stolen or lost, the theft or loss in the mobile switching system according to the service provider to notify the service provider of the theft or loss in order to prevent illegal communication using the mobile terminal. By stopping the originating / receiving of the mobile communication terminal (hereinafter referred to as 'illegal terminal'), it was possible to prevent the subscriber from imposing an unreasonable call charge by restricting the provision of communication service to the illegal terminal.

However, the mobile switching system only restricts the provision of communication services to illegal terminals, and cannot obtain information for recovering the illegal terminals or pursuing responsibility for illegal use.

On the other hand, in order to listen to the contents of a call of an illegal terminal such as a mobile communication terminal used by a criminal or a mobile communication terminal in which a specific telephone number and an ESN (Electronic Serial Number) are set in another mobile communication terminal, a mobile communication terminal is used. After registering the call tracking for the terminal through the system operator, the user can check the location information included in the billing information when the call is received or after the telephone connection is made through the location tracking of the mobile communication terminal or the confirmation of the called number. there was.

However, in the conventional monitoring operation for illegal terminal use, since the switch information is fixed in the wired switching system, only the call path for the illegal terminal is monitored, but in the case of a wireless exchange, that is, a mobile switching system, Since the switch information for the illegal terminal is constantly changed, the monitoring is very complicated and difficult, so it is difficult to recover the expensive mobile communication terminal.

The present invention has been made in view of the above-described problems, and its object is to connect multiple calls interworking a mobile switching system and a voicemail service system when a call origination request is made using an illegal terminal in a mobile communication network. By recording the contents of the call between the voicemail service system and sending the recorded call contents to the subscriber requesting the recording, it provides a monitoring function for the use of the illegal terminal and at the same time enable a rapid recovery of the terminal.

In order to achieve the above object, there is provided a method for monitoring an illegal terminal in a mobile communication network, the method comprising: checking whether a mobile communication terminal requesting a call is an illegal terminal; If it is identified as an illegal terminal, connecting the originating call to a voicemail service system; Translating the called number for the originating call and connecting the call to a corresponding called terminal; Forming a call path by performing a multiple call connection function between the illegal terminal, a voicemail service system, and a called terminal; Recording the call content between the illegal terminal user and the called terminal user in the voicemail service system; And transmitting the recorded call contents to the subscriber requesting the recording.

1 is a conceptual diagram for monitoring illegal terminal use in a mobile communication network according to the present invention.

2 is an operation flowchart for implementing a method for monitoring illegal terminal use in a mobile communication network according to the present invention.

Explanation of symbols on the main parts of the drawings

10: mobile switching system 11: call processing block

12 Database 13 Call Mixer

20: HLR (Home Location Register) 30: Voicemail Service System

40: wireless base station

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

As shown in FIG. 1, a mobile switching system 10, a HLR (Home Location Register) 20, and a voice mail service system 30 are provided for monitoring illegal terminal use in a mobile communication network according to the present invention. ) And a wireless base station 40.

Here, the mobile switching system 10 includes a call processing block 11, a database 12, and a call mixer 13, which call processing block 11 originates a call from a mobile communication terminal. Upon request, if the subscriber information is retrieved and confirmed as an illegal terminal, the call mixer 13 is controlled to connect multiple calls between the illegal terminal, the voicemail service system 30 and the called terminal. The database 12 stores subscriber information on whether to set a call recording function for an illegal terminal, and the call mixer 13 controls an illegal terminal and a voice mail service under the control of the call processing block 11. It performs a multiple call connection function for multiple calls between the system 30 and the called terminal.

The HLR 20 provides information on mobile subscribers (including information on theft, loss, late payment, call contents recording function, etc.) upon request of subscriber information from the mobile switching system 10.

The voicemail service system 30 records a call when the call is connected, and records the recorded call through a Public Switched Telephone Netwok (PSTN) or a Public Radio Paging Network (PRPN). Send to requesting subscriber.

The wireless base station 40 is located between the mobile communication terminal and the mobile switching system 10 and transmits the information necessary for the call connection transmitted from the mobile communication terminal to the mobile switching system 10.

An illegal terminal use monitoring operation in a mobile communication network according to the present invention configured as described above will be described with reference to FIG. 2.

First, a call recording request for a terminal reported to be stolen or lost or illegally used (hereinafter referred to as an illegal terminal) is requested by the mobile subscriber or a specific person. 10) when received, the mobile switching system 10 sets a call recording function for the illegal terminal and stores it in the database 12, or a terminal or illegally reported that the mobile subscriber is stolen or lost. When a call recording request for a terminal used as a mobile communication system is received by the mobile subscriber or a specific person in the mobile switching system 10, the mobile switching system 10 sends a call recording request for the illegal terminal to the HLR 20. ), And the HLR 20 transmits a call recording request to the illegal terminal. Set the screen recording function to save information to the subscriber information.

In addition, the mobile subscriber or a specific person may set a recording guide function for receiving the call content when the call content for the illegal terminal is recorded in the voicemail service system 30.

In this state, if a call origination is requested from the mobile communication terminal to the call processing block 11 of the mobile switching system 10 via the wireless base station 40 (step S21), the call processing block 11 performs the call origination. When the requested mobile communication terminal confirms whether the call recording function is set as an illegal terminal (step S22), the mobile communication exchange is stored where information on whether to set the call recording function, which is information for confirming whether the call is recorded as illegal terminal, is stored. In the case of the database 12 of the system 10, the call processing block 11 checks the database 12 to confirm whether the mobile communication terminal that requested the call origination is an illegal terminal with a call recording function set. Done.

However, if the location where the information on whether to set the call recording function, which is information for checking whether the illegal terminal is set, is stored in the HLR 20, the call processing block 11 may request the mobile subscriber to request the call. If the information on the request to the HLR (20), and the subscriber information requested by the HLR (20) is applied to the call processing block 11, the call processing block 11 receives the authorized subscriber information By confirming, the mobile communication terminal requesting the call is confirmed whether the call recording function is an illegal terminal.

On the other hand, if it is determined in step S22 that the mobile communication terminal requesting the call is not an illegal terminal for which the call detail recording function is set, the corresponding call processing block 11 uses the subscriber information authorized from the HLR 20. After performing the general call processing function (step S30), the operation ends.

However, if the mobile communication terminal requesting the call originating in step S22 is confirmed to be an illegal terminal with the call recording function set, the corresponding call processing block 11 first connects the call requesting call with the voicemail service system 30. After that (step S23), the called number for the call originated is translated and the call is connected to the corresponding called terminal (step S24).

After that, the call processing block 11 controls the call mixer 13 to perform a multiple call connection function between the illegal terminal, the voicemail service system 30 and the called terminal (step S25). Multiple calls, including voicemail service system 30 for storing the content of calls between destination terminals, are possible.

On the other hand, the contents of the call between the illegal terminal user and the called terminal user through the call path formed by performing the multiple call connection function is recorded in the voicemail service system 30 until the corresponding call ends, and when the corresponding call ends (step S26). ), The call processing block 11 disconnects the multi-call connection to recover all call-related resources, and then notifies the voicemail service system 30 of the end of recording of the call.

At this time, the voicemail service system 30 checks whether the recording guidance function for the subscriber who has requested the recording of the call contents for the illegal terminal is set (step S27), that is, if the recording guidance function is set. If the communication number for the subscriber who requested the recording is registered, after transmitting the recorded call content to the registered communication number through the PSTN or PRPN (step S28), the illegal terminal monitoring operation is terminated.

On the other hand, in step S27, if the corresponding recording guidance function is not set, that is, if the communication number for the subscriber who requested the recording is not registered, the voice mail service system 30 is requested for the mobile communication When the subscriber or a specific person requests voicemail service, the recorded call contents are transmitted (step S29), and the illegal terminal monitoring operation is terminated.

As described above, the present invention connects multiple calls interworking with the mobile switching system and the voicemail service system when a call origination request is made using an illegal terminal in a mobile communication network, and transmits the contents of the call between the illegal terminal and the called terminal to the voicemail service system. By recording and transmitting the recorded call contents to the subscriber who has requested the recording, it becomes possible to monitor the use of the illegal terminal and at the same time to quickly collect the terminal.

Claims (4)

In the illegal terminal use monitoring method in a mobile communication network, Checking whether the mobile communication terminal requesting the call is an illegal terminal; If it is identified as an illegal terminal, connecting the originating call to a voicemail service system; Translating the called number for the originating call and connecting the call to a corresponding called terminal; Forming a call path by performing a multiple call connection function between the illegal terminal, a voicemail service system, and a called terminal; Recording the call content between the illegal terminal user and the called terminal user in the voicemail service system; And transmitting the recorded call contents to a subscriber requesting recording. The method of claim 1, The step of checking whether the mobile communication terminal requesting the call origination is an illegal terminal is performed. If information for identifying whether the call is illegal is stored in a database of the mobile switching system, the call is checked by checking the corresponding database. A method for monitoring illegal terminal use in a mobile communication network, characterized by checking whether the requested mobile terminal is an illegal terminal having a function of recording a call. The method of claim 1, The process of checking whether the mobile communication terminal requesting the call origination is an illegal terminal is performed. When the information for identifying whether the call origination is illegal is stored in the HLR, information on the mobile communication subscriber requesting the call origination is transmitted to the HLR. Requiring step; And checking whether the mobile communication terminal requesting the call is an illegal terminal having a call recording function set upon receiving the requested subscriber information. The method of claim 1, The process of transmitting the recorded call contents to the subscriber who has requested the recording may include: checking whether a recording guidance function for the subscriber who has recorded the contents of the call is set; If the recording guide function is set as a result of the checking, transmitting the recorded call content to the registered communication number; And if the recording guide function is not set as a result of the checking, transmitting the recorded call contents when the voicemail service is requested.