KR100286751B1 - Mobile Call Rejection Method According to Location of Recipient Subscriber in Mobile Communication Network - Google Patents

Abstract

The present invention relates to a method for automatically rejecting a call according to the location of a called subscriber in a mobile communication network. In the SCP, whether or not to reject a call is set in advance according to the location of the called subscriber. According to the ID of the managing MSC, the call reject service request message (servreq) having an activation code (ACTCODE) including information indicating whether the call proceeds and whether the call is rejected is transmitted to the HLR, and the HLR is sent to the activation code (ACTCODE). If the call rejection information is included, all processes are stopped, but the call progress information is included, and the incoming call process is sequentially performed.

Description

Mobile Call Rejection Method According to Location of Recipient Subscriber in Mobile Communication Network

The present invention relates to a mobile communication network, and more particularly, to a method for rejecting a mobile call according to a called subscriber location in a mobile communication network capable of processing calls according to a called subscriber location using wireless intelligent network technology.

With the development of communication technology, mobile communication is enabled. 1 shows a schematic diagram of such a mobile communication network.

In FIG. 1, reference numeral 1 denotes a mobile station (hereinafter, referred to as an MS) 1, and a subscriber may wirelessly connect to a network using the MS 1. The MS 1 may be used as the terminal itself, or may be used by connecting a personal computer or a fax.

The base station (hereinafter referred to as BS) 2 mediates the MS 1 and the Mobile Switch Center (hereinafter referred to as MSC) 3 and is largely referred to as a BTS (Base Tranceiver System; BTS). 21 and a base station controller (BSC) 22. Here, the BTS 21 is composed of one or more transceivers located in predetermined places to perform wireless communication with the MS 1. The BSC 22 exchanges messages with the BTS 21 and the MSC 3 as a device for controlling the BTSs 21.

The MSC 3 refers to an automated system that interfaces user communications from a wireless network to a wired or wireless network.

The Home Location Register (hereinafter referred to as HLR) 4 refers to a functional device that stores subscriber information (eg, electronic serial number, user file, current location) and manages mobile subscribers. . The HLR 4 may be located integrated with the MSC 3 or may be located independently of the MSC 3, and may serve a plurality of MSCs 3 as one HLR 4.

The Visited Location Register (hereinafter referred to as VLR) 5 is connected to one or more MSCs 3 and 6 and the user's HLR 4 when the subscriber is located within the area covered by the VLR. It refers to a functional device for storing subscriber information obtained from). When the mobile MS 1 enters a new service area encompassed by the MSC 3, the MSC 3 requests and reads information about the MS 1 from the HLR 4 so that the associated VLR 5 ).

The above-described apparatus is a schematic block diagram of a mobile communication network, and it can be easily understood by those skilled in the art that a general wired network or the like can be connected to the MSC 3.

An incoming call processing procedure in such a mobile communication network is shown in FIG. 2, which will be described in detail as follows.

First, a subscriber with an MS 1 generates a dial digit (such as a mobile number of a called party) using the MS 1, and this information is derived from the originating MSC 3 of the corresponding area. Is passed to (step a).

The originating MSC 3 sends a predetermined location request message LOCREQ to the HLR 4 associated with the MS 1, and the phone number information DGTSDIAL is included in the location request message LOCREQ (step b). Here, the relationship between the HLR 4 and the MS 1 is determined by the dialed receiving subscriber.

The HLR 4 transmits a routing request message ROUTREQ to the registered VLR 5 in which the receiver terminal is located according to the above-described information, and the mobile subscriber identity is identified in the routing request message ROUTREQ. A Mobile Ientification Number (MIN) is included (step c). Here, the called party identification number (MIN) means a unique number for identifying the called party.

The VLR 5 receiving the routing request message ROUTREQ sends this routing request message ROUTREQ to another MSC 6 (serving MSC) corresponding to the MIN, i.e., managing the location present at the mobile subscriber. Forward (step d).

The serving MSC 6 checks the state of the called party's terminal (corresponding to the MIN) according to this routing request message (ROUTREQ), and if possible, a Temporary Local Directory Number (TLDN) for the call. ) Is assigned to a routing request message (routreq) and transmitted to the VLR 5 (step e).

The VLR 5 sends this routing request message back to the HLR 4 (step f), and the HLR 4 sends a location request as a response to the location request message LOCREQ from the originating MSC 3. The message locreq is sent to the originating MSC 3 together with the terminator list and the DMH redirection indicator (REDIND) parameters (step g).

Here, the terminating terminal list (TERMLIST) is a list of the terminating stations when routing to the serving MSC 6, that is, whether it is a local termination, an intersystem termination, or a PSTN termination with a wired network. Information that displays.

The DMH redirection indicator (REDIND) stands for DMH_Redirection Indicator, and DMH stands for Data Messaging Handler. This parameter refers to a parameter that is used to simply receive the incoming call to the mobile destination terminal and not to stop the operation, but to expand and process the incoming call in accordance with the state of the terminal.

The originating MSC 3 makes a call request to the serving MSC 6 using an interconnection protocol such as SS7 according to the parameters of this location request message (locreq) (step h).

On the other hand, the above description is a case of inter-country calls, and in the case of a domestic call, when the HLR 4 receives a location request message (LOCREQ) from the originating MSC 3, the HLR 4 determines that the call to the called party is a domestic call. Then, the destination station list (TERMLIST), that is, a local termination parameter, is put in the location request message (locreq) and transmitted to the originating MSC (3).

As can be seen from the above description, it can be seen that in the conventional incoming call processing procedure, the incoming call processing to the called subscriber is performed by the call request from the calling subscriber.

On the other hand, unlike a wired communication network, a mobile communication network can move subscribers from time to time. Accordingly, when a subscriber moves to a feature area, a mobile communication network may want to reject telephone and data communication from a caller. Such cases are rare for the general public, but the necessity is rapidly increasing for the business owners or those with a lot of external activities. However, in the conventional incoming call processing method, there is a problem that there is no method that can automatically reject the request according to the location of the subscriber as described above.

The present invention has been made in accordance with the above-described concept, and an object of the present invention is to reject a mobile call according to a called subscriber location in a mobile communication network which can automatically reject a call connection according to the called subscriber's location using a wireless intelligent network. To provide a method.

In order to achieve this object, the present invention classifies incoming calls to incoming subscribers by dividing access calls with local calls, inter-station calls, and wired networks according to stored called subscriber locations in a Home Location Register (hereinafter referred to as HLR). Recipient location of the mobile communication network using a service control point (hereinafter referred to as SCP), which is requested and rejected for call connection according to the subscriber's location in the mobile communication network performing the incoming call process. In the mobile call screening method according to the present invention, a mobile switch center (hereinafter referred to as MSC) has a telephone number information parameter (DGTSDIAL) corresponding to a dial digit from a mobile station (MS). Sending an embedded location request message (LOCREQ) to a Home Location Register (hereinafter referred to as HLR); The HLR including the ID of the called party MSC corresponding to the telephone number information DGTSDIAL in the call reject service request message SERVERQ and transmitting to the SCP; The SCP sends to the HLR a call rejection service request message (servreq) containing an activation code (ACTCODE) containing information indicating whether the call is in progress and whether the call is rejected according to the MSC's ID; The HLR stops all processes if the ACTCODE includes call rejection information. If the call code includes call progress information, the HLR classifies the call with its own call, inter-call and wired network according to the called party's location. It proceeds to the incoming process of the incoming call to the called subscriber.

1 is a schematic block diagram of a conventional mobile communication network,

2 is a diagram illustrating an incoming procedure in a conventional mobile communication network;

3 is a schematic block diagram of a mobile communication network according to the present invention;

4 is a diagram illustrating an incoming call procedure for performing a mobile call rejection method according to a called subscriber location in a mobile communication network according to the present invention;

<Explanation of symbols for main parts of drawing>

1: terminal 2: base station

3: mobile switching center 4: home location register

5: landing location register 7: service control point

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

First, the present invention uses a wireless intelligent network (WIN) technology in which the technology of an intelligent network used in a general wired communication network is applied to a wireless network.

That is, a service control point (hereinafter referred to as SCP) 7 is further configured in the structure of the conventional mobile communication network as shown in FIG. 3, and this SCP 6 is connected to the HLR 4. And connects the call selectively according to the location of the called party to the incoming call. It will be readily understood by those skilled in the art that the rejection of call connection according to the subscriber's location should be stored in advance in the SCP 7 according to the subscriber's request.

Other components 1-5 except for SCP 7 in FIG. 3 are the same as those in the conventional mobile communication network, and thus description thereof is omitted.

An incoming call processing procedure in the mobile communication network configured as described above is shown in FIG.

The subscriber with the MS 1 uses the MS 1 to generate a dial digit (such as the mobile subscriber's telephone number) (step a), and this information is derived from the originating MSC of the area. 3) is delivered.

The originating MSC 3 sends a predetermined location request message LOCREQ to the HLR 4 associated with the MS 1, and the telephone number information DGTSDIAL is included in the predetermined location request message LOCREQ (step b). ). Here, the relationship between the HLR 4 and the MS 1 is determined by the dialed receiving subscriber.

The HLR 4 sends a call reject service request message SERVERQ to the SCP 7 to determine whether to perform the call rejection method of the present invention for the called subscriber corresponding to this telephone number information DGTSDIAL. (Step b).

At this time, the HLR 4 adds and transmits the ID of the MSC 6 managing the location of the called subscriber in the call reject service request message SERVERQ (step c). In other words, the SCP 7 detects the location of the called subscriber by using the MSC ID, and judges using the stored subscriber file whether the location of the called subscriber is the location of the application to reject the call.

SCP 7 sends to HLR 4 a call reject service request message containing an action code (ACTCODE) containing information indicating whether or not the call proceeded and whether the call was rejected (step S7). d), HLR (4) determines whether the call proceeds according to this act code (ACTCODE). That is, if the information in the ACTCODE message is call rejection information, the call establishment attempt is interrupted by stopping all processes, but if the information in the ACTCODE message is call progress information, The process is performed sequentially.

That is, the HLR 4 transmits a routing request message ROUTREQ to the registered VLR 5 where the corresponding receiver terminal is located, and in this routing request message ROUTREQ, the mobile subscriber identity number (Mobile Ientification) is transmitted. Number; MIN) is included (step e).

The routing request message ROUTREQ causes the VLR 5 to send this routing request message ROUTREQ to another MSC 6 (serving MSC) that manages the location corresponding to the MIN, i.e., the mobile subscriber. Requesting a Temporary Local Directory Number (TLDN) by forwarding (step f).

The serving MSC 6 loads the temporary location telephone number (TLDN) into the routing request route to the VLR 5 (step g), and the VLR 5 sends this routing request message back to the HLR. Transfer to step (4) (step h).

The HLR 4 sends the location request message locreq along with the destination station list (TERMLIST) and DMH redirection indicator (REDIND) parameters in response to the location request message (LOCREQ) from the originating MSC (3). (Step i).

The originating MSC () attempts a call connection to the serving MSC 6 according to the parameters of this location request message (locreq) (step j).

As can be seen from the above description, in the present invention, SCP (7) for performing an artificial intelligence network function is configured, and the HLR (4) inquires the SCP (7) to determine whether to set up the call for the input call, SCP 7 notifies HLR 4 of this incoming call according to the location of the called party. If the notification result is call rejection, the HLR 4 abandons the call setup for the incoming call by stopping all processes, but if the notification result is call setup, sets up the input call to the called party through the same procedure as before. Is to try.

Therefore, according to the present invention, when the subscriber moves to a predetermined position, that is, the requested position, the call setup attempt is automatically abandoned, thereby increasing the convenience of the subscriber.

Claims (1)

In a mobile communication network that performs an incoming call process for receiving an incoming call to the called party by classifying an access call with a local call, inter-office call, and a wired network according to the stored called party location in the Home Location Register (hereinafter referred to as HLR). A method of rejecting a mobile call according to the location of a called subscriber in a mobile communication network using a service control point (hereinafter referred to as SCP), in which a request for rejection of a call connection is requested and stored according to a subscriber's request, The Mobile Switch Center (hereinafter referred to as MSC) sends a predetermined location request message (LOCREQ) including telephone number information (DGTSDIAL) in response to a dial digit from a mobile station (MS). Transmitting to a Home Location Register (hereinafter referred to as HLR); The HLR including the ID of the called party MSC corresponding to the telephone number information DGTSDIAL in the call reject service request message SERVERQ and transmitting the ID to the SCP; The SCP including an activation code (ACTCODE) including information indicating whether the call proceeds and whether the call is rejected according to the MSC's ID in a call reject service request message (servreq) and transmitting it to the HLR; The HLR stops all processes if call activation information is included in the ACTCODE. If the call progress information is included, the HLR classifies the incoming call with the local call, the interstate call and the wired network according to the location of the called party. A method for rejecting a mobile call according to a called subscriber's location in a mobile communication network, comprising the step of proceeding to the called process of receiving a call to a called subscriber.