KR20070016423A - Method for Call Waiting Service in Mobile Communication System - Google Patents

Abstract

The present invention relates to a call waiting service method in a mobile communication system.

The present invention provides a mobile communication system comprising a home location register having call waiting service subscriber information and a call waiting service subscriber database storing a list of call waiting service target numbers registered by each call waiting service subscriber. A call waiting service method for receiving a call from a third party, the call waiting service of the called terminal referring to the call waiting service subscriber database as a home location register attempts a call to a called terminal that is currently busy. Determining whether the calling terminal number is registered in a call waiting service target number list or not; As a result of the determination, when the service subscriber and the calling terminal number are registered, the home location register transmits a routing information request message including information indicating that the incoming call from the calling terminal is a service target call to the called side exchange. Steps; When the calling exchange requests the called exchange to the called exchange, the called exchange transmits a call waiting announcement and a sound source to a previous call target terminal with the called terminal, thereby converting the call to a waiting call, and the called terminal. Transmitting a paging signal to the network; There is a technical feature made to include.

Description

Call waiting service method in mobile communication system {Method for Call Waiting Service in Mobile Communication System}

1 is a network diagram of a mobile communication system for explaining the present invention;

2 is a call processing diagram illustrating a call waiting service method according to an embodiment of the present invention.

<Description of Symbols for Main Parts of Drawings>

100, 200, 300: mobile communication terminal (terminal A, terminal B, terminal C)

110, 210, 310: base station (BTS)

120, 220, 320: base station controller (BSC)

130, 230, 330: exchanger (MSC)

140: home location register

141: Premium Call Waiting Service Subscriber Database

The present invention relates to a call waiting service method in a mobile communication system. More particularly, the present invention relates to a call waiting service for temporarily suspending a currently connected call and receiving a call from a third party. Register their number in advance, send the call waiting message and melody to the existing call party when the call is requested from the registered subscriber. A call waiting service method in a mobile communication system to facilitate call reception.

Call waiting service refers to a service that allows a call from a third party to receive a call later, without hanging up the first caller.

The call processing process of the call waiting service currently being provided, when a call is made from subscriber C to subscriber A while subscriber A is on a call with subscriber B, it sends out a signal to notify subscriber A that another call has been made, When A presses a call button, a call waiting sound is transmitted to subscriber A and subscriber B, which is a target of a previous call, and a call is held between subscriber A and subscriber B, and a call is connected between subscriber A and subscriber C.

However, in the existing call waiting service, there is a problem that subscriber A may not recognize a beep signal indicating that another call has been made, and thus, an important call may not be received.

And, if subscriber A wants to receive a new call by recognizing a tone indicating another call is received, subscriber A has to tell subscriber B, the previous party, to wait while making another call directly, which is cumbersome. In addition, there is a disadvantage in that the waiting time for making another call becomes long, which causes frequent disconnection of the call from subscriber C during the waiting time.

In addition, in the current mobile communication system, although subscribers use various announcements or music as call waiting sounds that are transmitted before a call is made between subscribers, subscriber A waits for a call to subscriber B, which is a target of a previous call, with subscriber C. During the call, subscriber B is outputting a constant tone of monotonous call waiting sound. Accordingly, the call waiter often feels bored or unwilling to hear the call waiting tone while waiting for a call, which results in the call waiting person stopping the call and hanging up.

Accordingly, the present invention is to solve the above-mentioned disadvantages and problems of the prior art, to make it easier to receive a call from an important party during a call, and to receive a call as the subscriber receives a new call An object of the present invention is to provide a call waiting service method in a mobile communication system that transmits an announcement and a sound source to a call waiting party to be queued so that the transition to the call waiting state and the continuation of the call waiting state can be made smoothly. have.

The object of the present invention is a base station in charge of wireless section communication with a mobile communication terminal, a base station controller for controlling the base station, an exchange for performing call exchange between mobile communication terminals, call waiting service subscriber information, and each call waiting service subscriber. A method of waiting for a subscriber to receive a call from a third party during a call in a mobile communication system comprising a home location register having a call waiting service subscriber database storing a list of call waiting service target numbers registered by the subscriber. When the calling terminal requests the location information of the called terminal to a home location register as the calling terminal attempts to call the called terminal, the first step of determining whether the called terminal is currently in a call by the home location register; Wow; A second step of determining whether the called terminal subscribes to the call waiting service by referring to the call waiting service subscriber database when the called terminal is currently busy; As a result of the determination, when the called terminal is determined to be a call waiting service subscriber terminal, the home location register refers to the call waiting service subscriber database and the calling terminal number is added to the call waiting service target number list registered by the subscriber of the called terminal. Determining whether it is registered; If the originating terminal number is registered, the home location register transmits a routing information request message including information indicating that the incoming call from the originating terminal is a service target call to the called side exchange. Wow; As the home location register receives the routing information response message from the called exchange and transmits the location information response message of the called terminal including the routing information to the calling exchange, the calling exchange returns to the called exchange. Requesting, the called side exchange transmits a call waiting announcement and a sound source to a previous call target terminal with the called terminal, converts the call to a waiting call, and transmits a paging signal to the called terminal. Wow; In response to the called terminal responding to the paging, the called side exchange establishes a call between the called terminal and the calling terminal through an originating exchange; It is achieved by a call waiting service method in a mobile communication system comprising a.

In addition, the object of the present invention is a base station in charge of wireless section communication with a mobile communication terminal, a base station controller for controlling the base station, a switch for performing a call exchange between the mobile communication terminal, call waiting service subscriber information, and each call waiting Call waiting service allowing a subscriber to receive a call from a third party during a call in a mobile communication system comprising a home location register having a call waiting service subscriber database storing a list of call waiting service target numbers registered by a service subscriber. As a method, when the calling terminal requests the location information of the called terminal to a home location register as the calling terminal attempts a call to the called terminal, the home location register sends a routing information request message to the called exchange, The incoming from the called exchange A first step of determining whether the called terminal is busy when a routing information response message including routing information to the new terminal is received; A second step of determining whether the called terminal subscribes to the call waiting service by referring to the call waiting service subscriber database when the called terminal is busy; As a result of the determination, when the called terminal is determined to be a call waiting service subscriber terminal, the home position register refers to the call waiting service subscriber number list registered by the subscriber of the called terminal with reference to the call waiting service subscriber database. A third step of determining whether is registered; As a result of the determination, when the calling terminal number is registered, the home location register sends the location information response message including information indicating that the incoming call from the calling terminal is a service target call and routing information to the called terminal. Transmitting to a side exchange; A fifth step of transmitting, by the calling exchange, a call request message including information indicating that the call is a service target call to the called exchange; A sixth step of transmitting, by the called side exchange, a call waiting announcement and a sound source to a previous call target terminal with a called terminal, converting the call to a waiting call, and transmitting a paging signal to the called terminal; The called terminal exchange establishes a call between the called terminal and the calling terminal through the calling exchange as the called terminal responds to the paging; It is achieved by a call waiting service method in a mobile communication system comprising a.

Details of the above object and technical configuration of the present invention and the resulting effects thereof will be more clearly understood from the following detailed description based on the accompanying drawings.

First, Figure 1 is a network diagram of a mobile communication system for explaining the present invention.

As shown, the mobile communication system includes a base station (110, 210, 310) for wireless section communication with the mobile communication terminal (100, 200, 300), a base station controller (120, 220, 320) for controlling the base station, And a home location register 140 that manages subscriber information and additional service information. In the present invention, the home location register 140 is an additional service information. A premium call waiting service subscriber database 141 for storing information on a call waiting service (hereinafter referred to as a 'premium call waiting service') subscriber and mobile communication terminal number information designated by the subscriber is further provided.

In the present invention, the premium call waiting service means that the mobile communication terminal C (300) makes a call to the mobile communication terminal A (100) while the mobile subscriber station A (100) and the mobile communication terminal B (200) of the service subscriber are in a call. In one case, when the service subscriber of the terminal A (100) has previously registered the number of the terminal C (300), the call of the terminal A (100) and the terminal C (300) is connected, and the terminal B (200). ) Refers to a service that waits a call between the terminal A (100) for a while, and for convenience of explanation, an outgoing call from a number registered in advance by the service subscriber will be referred to as a 'premium call'.

In order to provide the premium call waiting service of the present invention, the home location register 140 is connected to the terminal A (terminal A (300) from the terminal C (300) while the terminal A (100) is currently in a call with the terminal B (200). When a new call is requested to 100, the terminal determines whether the terminal A 100 is a service subscriber with reference to the premium call waiting service subscriber database 141, and if the service subscriber is a service subscriber, the number of the terminal C 300. Determining whether the subscriber of the terminal A (100) corresponds to the registered number, and if it is determined that the service target call, that is, premium call, serves to deliver the information to the exchange.

When the premium call information is received from the home location register 140, the exchange stops the call between the terminal B 200 and the terminal A 100 during a previous call and sends the announcement to the terminal B 200. A call waiting sound is sent out and a call is set up between the terminal A 100 and the terminal C 300.

In this case, it is preferable that the announcement and the call waiting sound source can be designated by the subscribers of the premium call waiting service, and this is an existing call that gives the caller the sound source designated by the called party until the called party responds to the paging signal. It may be implemented as in the standby service.

Call processing according to the premium call waiting service of the present invention will be described in more detail with reference to FIG. 2 as follows. 2 is a call processing diagram illustrating a call waiting service method according to an embodiment of the present invention.

As shown, a current call is established between the exchange A 130 that performs the call exchange of the terminal A 100 and the exchange B 230 that performs the call exchange of the terminal B 200, so that the terminal A 100 and the terminal When the call is attempted from the terminal C (300) to the terminal A (100) while the B (200) is busy (S100) (S101), the exchange C (330) is connected to the home location register 140 to the terminal A (100). The location information is requested (S102).

At this time, the home location register 140 recognizes that the terminal A 100, which is the called terminal, is currently in a call, and inquires whether the terminal A 100 is a premium call waiting service subscriber terminal (S103). If it is determined to be a service subscriber, it is determined whether the number of the terminal C 300, which is the calling terminal, is registered as a premium call (S104).

As a result of the determination, when the outgoing call from the terminal C 300 is determined to be a premium call, the home location register 140 includes routing information including information indicating that the outgoing call is a premium call to the exchange A 130 that is the called exchange. The request message is transmitted (S105).

Next, when the routing information response message is received from the exchange A 130 (S106), the home location register 140 transmits the location information response message to the exchange C 330 (S107), and the exchange C 330 Requests an incoming call to the exchange A 130 (S108).

Next, the exchange A 130 guides to the terminal B 200 that was in a call with the terminal A 100 based on the information included in the routing information request message previously transmitted from the home location register 140. It transmits the announcement and the sound source (S109), and transmits a paging signal to the terminal A (100) (S110).

By receiving the paging signal, the terminal A 100 recognizes that a premium call has been sent and receives a call in response to the paging signal (S111). Accordingly, a call is established between the exchange A 130 and the exchange B 230 (S112). The terminal A 100 and the terminal C 300 can make a call.

Meanwhile, in the above description, the home location register 140 transmits the premium call information together when transmitting the routing information request message to the exchange A 130, but the terminal A 100 from the exchange A 130. When the routing information response message including the routing information is received, the terminal A 100 recognizes that the call is busy and determines whether the terminal A 100 subscribes to the call waiting service and whether the terminal C 300 registers the number. Thereafter, the premium call information may be transmitted when the location information response message is transmitted to the exchange C 330.

At this time, the exchange C (330) should again transmit the information indicating whether the premium call to the exchange A 130, the called side exchange, so that the exchange A 130 is a call waiting announcement to the terminal B (200) And a sound source to convert the busy call into a standby call, and transmit a paging signal to the terminal A (100).

As those skilled in the art to which the present invention pertains may implement the present invention in other specific forms without changing the technical spirit or essential features, the embodiments described above should be understood as illustrative and not restrictive in all aspects. Should be. The scope of the present invention is shown by the following claims rather than the detailed description, and all changes or modifications derived from the meaning and scope of the claims and their equivalents should be construed as being included in the scope of the present invention. do.

Therefore, according to the call waiting service method in the mobile communication system of the present invention, if the mobile communication terminal number of the important counterpart is registered in advance, it is easier and more reliable to receive a call from the important counterpart during the call. As the subscriber receives a new call, the call party who has to wait for a call can send a announcement and a sound source, so that the transition to the call waiting state and the call waiting state can be smoothly performed.

Claims (2)

A base station in charge of wireless section communication with a mobile communication terminal, a base station controller controlling the base station, an exchange performing call exchange between mobile communication terminals, call waiting service subscriber information, and call waiting service target registered by each call waiting service subscriber. A call waiting service method for allowing a subscriber to receive a call from a third party during a call in a mobile communication system including a home location register having a call waiting service subscriber database storing a number list. A first step in which the home location register determines whether the called terminal is currently in a call when the calling exchange requests the location information of the called terminal to a home location register as the calling terminal attempts to call the called terminal; ; A second step of determining whether the called terminal subscribes to the call waiting service by referring to the call waiting service subscriber database when the called terminal is currently busy; As a result of the determination, when the called terminal is determined to be a call waiting service subscriber terminal, the home location register refers to the call waiting service subscriber database and the calling terminal number is added to the call waiting service target number list registered by the subscriber of the called terminal. Determining whether it is registered; If the originating terminal number is registered, the home location register transmits a routing information request message including information indicating that the incoming call from the originating terminal is a service target call to the called side exchange. Wow; As the home location register receives the routing information response message from the called exchange and transmits the location information response message of the called terminal including the routing information to the calling exchange, the calling exchange returns to the called exchange. Requesting, the called side exchange transmits a call waiting announcement and a sound source to a previous call target terminal with the called terminal, converts the call to a waiting call, and transmits a paging signal to the called terminal; ; In response to the called terminal responding to the paging, the called side exchange establishes a call between the called terminal and the calling terminal through an originating exchange; Call waiting service method in a mobile communication system characterized in that comprises a. A base station in charge of wireless section communication with a mobile communication terminal, a base station controller controlling the base station, an exchange performing call exchange between mobile communication terminals, call waiting service subscriber information, and call waiting service target registered by each call waiting service subscriber. A call waiting service method for allowing a subscriber to receive a call from a third party during a call in a mobile communication system including a home location register having a call waiting service subscriber database storing a number list. When the calling terminal attempts to call the called terminal, when the calling exchange requests the location information of the called terminal to the home location register, the home location register sends a routing information request message to the called exchange, and the called side If a routing information response message including routing information from the exchange to the destination terminal is received, determining whether the destination terminal is busy or not; A second step of determining whether the called terminal subscribes to the call waiting service by referring to the call waiting service subscriber database when the called terminal is busy; As a result of the determination, when the called terminal is determined to be a call waiting service subscriber terminal, the home location register refers to the call waiting service subscriber database and the calling terminal number is added to the call waiting service target number list registered by the subscriber of the called terminal. Determining whether it is registered; As a result of the determination, when the calling terminal number is registered, the home location register sends the location information response message including information indicating that the incoming call from the calling terminal is a service target call and routing information to the called terminal. Transmitting to a side exchange; A fifth step of transmitting, by the calling exchange, a call request message including information indicating that the call is a service target call to the called exchange; A sixth step of transmitting, by the called side exchange, a call waiting announcement and a sound source to a previous call target terminal with a called terminal, converting the call to a waiting call, and transmitting a paging signal to the called terminal; The called terminal exchange establishes a call between the called terminal and the calling terminal through the calling exchange as the called terminal responds to the paging; Call waiting service method in a mobile communication system characterized in that comprises a.

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