KR100751082B1 - mobile services switching center and method for providing call waiting service, and mobile phone and method for processing provided call waiting service - Google Patents

Abstract

According to the present invention, when a telephone call is queued according to a request for executing any one other telephone call while performing a telephone call between any two terminals, the present invention responds to a request received from the corresponding terminal on which the telephone call is queued. The present invention provides a method for providing a call waiting service for performing a notification operation for processing a call intention of a corresponding terminal, and a mobile communication switching center thereof.

Accordingly, if the phone call is queued while the phone call is being carried out, the terminal may be notified that the other phone call of the other party has ended, or a message to notify the user that he is waiting and / or to call again. Since the request message can be sent to the corresponding terminal, there is no longer a one-way wait.

Call waiting service, phone call, reservation, notification, end, message

Description

TECHNICAL FIELD The present invention provides a call waiting service, a mobile telecommunication switching center and a method for receiving and processing a call waiting service, and a mobile communication terminal. provided call waiting service}

1 is a schematic configuration diagram of a mobile communication system for providing a call waiting service according to an embodiment of the present invention.

2 is a diagram illustrating a screen of a waiting notification message transmitted from a waiting service during a call according to an exemplary embodiment of the present invention.

3 is a screen example of a reservation notification message transmitted from a call waiting service according to an embodiment of the present invention.

4 is a diagram illustrating a screen of an end notification message transmitted from a call waiting service according to an embodiment of the present invention.

5 is a schematic structural block diagram of a mobile communication switching center provided in a mobile communication system according to an embodiment of the present invention;

6 is a schematic structural block diagram of a mobile communication terminal interworking with a mobile communication system according to an embodiment of the present invention;

FIG. 7 is a detailed block diagram of the control unit shown in FIG. 6; FIG.

8 illustrates an example of a screen of the display unit illustrated in FIG. 6.

9 is an operation flowchart of a mobile communication switching center provided in a mobile communication system according to an embodiment of the present invention.

FIG. 10 is a flowchart illustrating an operation of the controller illustrated in FIG. 6.

 <Explanation of symbols for main parts of the drawings>

100-102: mobile communication terminal 110: memory

120: control unit 121: call performance processing unit

122: call waiting processor 122a: menu providing unit

122b: waiting processor 122c: reservation processor

122d: end processing unit 130: display unit

131-134: Screen window 140: Key input unit

150: RF unit 160: voice processing unit

170: speaker 180: microphone

200: BTS 300: BSC

400: MSC 410: storage means

420: call setup processing unit 430: call waiting processing unit

440: standby terminal processing unit 441: call end detection unit

442: notification processing unit

The present invention provides a method for providing a call waiting service for performing a notification operation for indicating the intention of the terminal which has been held in the course of performing a telephone call in a call waiting service, and a mobile communication switching center thereof and a call waiting service. Provided is a method of receiving and processing a standby service and a mobile communication terminal thereof.

In the conventional mobile communication system, the call waiting service provides only a function of waiting for a phone call in progress in order to perform another phone call of another terminal while performing a phone call between one terminal and another terminal.

However, the terminal waiting without performing another telephone call had to wait manually until the other terminal terminated the other telephone call and resumes the telephone call with itself.

In particular, the user waits unilaterally for a long time because communication with the other party waiting for him is impossible.

In addition, the waiting terminal is not connected to the other terminal, but there was a problem that a call charge is charged during the waiting time.

Accordingly, the call waiting service needs to provide various functions such that the waiting terminal does not wait for passively.

SUMMARY OF THE INVENTION The present invention has been made for this need, and provides a method for providing a call waiting service for allowing a terminal waiting for a call to perform various notification operations without passively waiting, and a mobile communication switching center thereof and a call waiting service. It is an object of the present invention to provide a method for receiving and processing a mobile communication terminal.

According to one aspect of the present invention, a memory for storing a telephone call program programmed with a procedure for a telephone call with any other terminal, and a telephone call being performed while performing the telephone call according to the stored telephone call program procedure. When the call is queued, the mobile communication terminal for providing a call waiting service, characterized in that it comprises a control unit for performing a notification operation for displaying its call intention.

Preferably, the control unit is a call execution processing unit for performing a phone call with the other terminal according to the procedure of the phone call program stored in the memory, and a phone call with the other terminal by the call execution processing unit During the call, if the phone call being processed is queued, the call waiting processor is configured to transmit a notification message for indicating its own intention to the other terminal.

More preferably, the notification message is at least one of a waiting notification message for notifying that he is waiting or a reservation notification message for requesting the other terminal to call.

More preferably, the waiting notification message is characterized in that the notification sound and / or a text message to inform that he is waiting.

More preferably, the reservation notification message is characterized in that the notification sound and / or text message for requesting to call itself to the other terminal.

More preferably, the call waiting processing unit notifies the end of a phone call between another terminal of the other terminal when the phone call is waiting while the phone call with the other terminal is being performed by the call execution processing unit. A request signal for receiving the termination notification message is transmitted to the MSC.

According to another aspect of the present invention, by using a storage means for storing subscriber information for call setup of a subscriber subscribed to the mobile communication network and the stored stored subscriber information in response to a call setup request received through the mobile communication network. A call setup processing unit for setting up a call for a telephone call between two terminals of a call and a call set up according to a call setup request for another phone call of one terminal while a call is set up between the two terminals by the corresponding call setup processing unit It provides a call waiting processing unit and a standby terminal processing unit for performing a notification operation according to the call intention of the other terminal in response to a notification request received from the other terminal queued by the call waiting processing unit. .

Preferably, when the request terminal of the termination notification message is received from another terminal waited by the call waiting processor, the call termination detector detects whether the call of the corresponding other phone call is released, and the call ends. When the detection unit detects that the call of the other phone call is released, the call waiting service, characterized in that it comprises a notification processing unit for transmitting the termination notification message to the corresponding waiting terminal based on the request signal Providing a mobile telecommunications exchange.

According to another aspect of the present invention, a method of receiving and processing a call waiting service of a mobile communication terminal having a display unit for providing a screen window, the call performing step of performing a telephone call with any terminal, and And a notification operation step of performing a notification operation for indicating a call intention of the user when the telephone call being performed is queued while performing the telephone call by the call execution step. Provides a way to handle standby services.

Preferably, the notification operation step may include at least one notification function for performing a notification operation for indicating a call intention when a telephone call being performed is queued while performing a telephone call by the corresponding call execution step. And a notification operation step of performing a notification operation corresponding to the selected notification function when any one of a display step displayed on the screen window and one or more notification functions displayed by the display step is selected.

More preferably, the notification function is a standby notification function for transmitting a standby notification message for notifying that the user is waiting to the other terminal, and transmits a reservation notification message for requesting the other terminal to call the other terminal. And at least one of a reservation notification function, and a termination notification request function for transmitting a request for receiving a termination notification message for notifying the end of a telephone call between the other terminal and another terminal.

According to another aspect of the invention, the step of establishing a call for a telephone call between any two terminals in accordance with a call setup request received through the mobile communication network, the other of any one terminal in the state that the call between the two terminals is set Waiting for the set call when a call setup request for a phone call is received; and performing a notification operation according to a request received from the corresponding waiting terminal. Provide a method of providing standby service.

The method of claim 12, wherein the performing of the notification operation comprises: receiving a request signal for receiving an end notification message of the other phone call from a corresponding terminal which has been processed; and receiving the request signal by receiving the request signal. Is received, detecting whether the set call of the other phone call is released, and if it is detected by the detecting step that the set call of the other phone call is released, sending an end notification message to the waiting terminal. Steps.

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

1 is a schematic configuration diagram of a mobile communication system providing a call waiting service according to an embodiment of the present invention.

Referring to FIG. 1, a mobile communication system according to an embodiment of the present invention includes one or more mobile communication terminals 100-102, a base station transceiver subsystem (BTS) 200, and a base station controller (BSC) 300. And a mobile services switching center (MSC) 400.

The terminals 100, 101, and 102 perform phone calls with other terminals through the BTS 200, the BSC 300, and the MSC 400.

For example, the terminal B 101 connects another telephone call with the terminal C 102 while performing a telephone call with the terminal A 100 via the BTS 200, the BSC 300, and the MSC 400. In order to wait for a phone call with the A terminal (100). Therefore, the terminal A 100 is waiting for the phone call to be performed, and transmits a notification message for processing its own call intention indication to the terminal B 101 or terminates another telephone call of the terminal B 101. Send a request signal for receiving the termination notification message to inform.

Accordingly, the terminal A 100 according to an embodiment of the present invention, the standby notification message (shown in FIG. 2) for notifying the terminal B 101 that it is waiting and / or the terminal B 101 A reservation notification message (shown in FIG. 3) for requesting the user to call is sent to the terminal B 101 as an SMS message.

Referring to Figure 2, it can be seen a screen example of the waiting notification message sent to the terminal B (101). On the screen window 131, an SMS message {"subscriber (019-222-2222) is waiting for now."} For the terminal A 100 to notify the terminal B 101 that it is waiting. "} A notification message is displayed.

Referring to FIG. 3, an exemplary view of a screen of a reservation notification message transmitted to terminal B 101 can be seen. On the screen 132, a reservation notification message is displayed as an SMS message {"Subscriber (019-222-2222) has requested to make a phone call."} For the terminal B 101 to call the terminal A 100.} It is.

In addition, when another telephone call of terminal B 101 ends, terminal A 100 transmits a request signal to mobile communication switching center 400 to receive an end notification message (shown in FIG. 4) indicating that the terminal is terminated. .

At this time, the MSC 400 detects whether the corresponding other telephone call is terminated based on the received request signal, and transmits an end notification message to the corresponding terminal A 100 to notify that the corresponding other telephone call is terminated.

Referring to FIG. 4, a screen example of the termination notification message received by the terminal A 100 can be seen. If the screen window 133 detects that the other telephone call of the terminal B 101 is terminated by the mobile communication switching center 400, an SMS message for notifying the terminal A 100 of the termination of the telephone call {"subscriber" (019-111-1111) ended the phone call. The end notification message "} is displayed.

Meanwhile, the BTS 200 performs mutual conversion between a wired signal and a wireless signal input from each terminal 100-102, covers one cell / sector area, and is included in the cell / sector area. A plurality of terminals (100-102) are managed.

The BSC 300 is a voice core network for performing voice communication. The BSC 300 manages and controls a plurality of BTSs 200 and is connected to the mobile communication switching center 400. Specifically, it performs radio channel assignment and release functions for the terminals 100-102, performs transmission output control functions between the terminals 100-102, and the BTS 200, performs soft handoff and hard handoff between cells. Determining, performing transcoding (16kbps ⇔ 64kbps) and vocoding functions (13kbps, 8kbps), performs the GPS (Global position system) clock distribution for handoff and signal processing, for the BTS (200) Perform operation and maintenance functions.

The MSC 400 is a voice core network connected to the BSC 300 to perform voice communication. The MSC 400 performs circuit switching, input / output relay processing, handoff, and voice packet switching of telephony (hereinafter, referred to as “moving”). Communication exchange office).

In particular, the mobile communication switching center 400 establishes a call for a telephone call between at least one or more terminals through interworking with the BSC 300 and the BTS 200, and waits for a call established according to a request received from any one of them. Process.

When the mobile communication switching center 400 receives the request for receiving the termination notification message from the terminal on which the standby has been received, the mobile communication switching center 400 detects whether another telephone call of the other terminal has ended and transmits the termination notification message to the terminal which has been processed. do.

5 is a schematic structural block diagram of a mobile communication switching center 400 provided in a mobile communication system according to an embodiment of the present invention.

Referring to Fig. 5, the mobile communication switching center 400 sets up a call for setting up a call for a telephone call between an arbitrary terminal using the storage means 410 for storing subscriber information for call setup and the stored subscriber information. A call waiting processor 430 for waiting to process the set call based on a call setup request for another phone call from one of the terminals of the set call and a terminal of the set call, It is configured to include a standby terminal processing unit 440 to receive and perform a notification operation.

First, the call setup processing unit 420 sets up a call for a telephone call between any terminal 100 or 101 by using the stored subscriber information according to the received call setup request.

When the call waiting processing unit 430 receives a call setup request for another phone call of one of the terminals of the set call, the call waiting processor 430 processes the call being set and sets up a call of another phone call based on the received request. do. At this time, the waiting call is released by the call waiting processing unit 430 to set up the call of the other phone call, and when the other phone call ends, the call is processed to be set again.

The standby terminal processing unit 440 is a call end detection unit 441 and a notification processing unit for informing the end of the other telephone call in response to the termination notification request received from the terminal waiting by the call waiting processing unit 430. 442).

When the call termination detection unit 441 receives a request signal for receiving the termination notification message from the corresponding terminal, the call termination detection unit 441 performs a detection operation for determining whether the call for the corresponding other phone call is released.

When the call processing unit 442 detects that the call for the other phone call is released by the call end detecting unit 441, the notification processing unit 442 waits for the end notification message (shown in FIG. 4) to notify that the call is terminated. Send to processed terminal.

6 is a schematic block diagram of a mobile communication terminal 100 interworking with a mobile communication system according to an embodiment of the present invention.

Referring to FIG. 6, the terminal 100 reads a memory 110 storing a program (hereinafter, referred to as a telephone call program) in which a procedure for conducting a telephone call is programmed, and a program stored in the memory 110. The control unit 120 performing a procedure programmed in the program, the display unit 130 providing a screen window, the key input unit 140, the RF unit 150, the voice processing unit 160, and the speaker 170. And a microphone 180 or the like.

The memory 110 stores a telephone call program and various operation programs for conducting a telephone call.

The controller 120 controls the overall operation of the mobile communication terminal and performs a phone call with any other terminal based on a phone call program stored in the memory 110.

When the telephone call is in a waiting state, the controller 120 performs a notification operation for processing a call intention display of the corresponding terminal 100.

The display unit 130 is a display device such as a liquid crystal display (LCD). The display unit 130 displays a state of a mobile communication terminal or a program progress on a screen window (not shown) under the control of the controller 120.

The key input unit 140 includes a plurality of numeric keys, a menu key, and a function key for performing various functions, and outputs key data to the controller 120 by an external operation.

The RF unit 150 is controlled by the controller 120 and converts a signal output from the controller 120 into a wireless signal. In addition, the RF unit 150 converts the radio signal received through the antenna into a desired signal and outputs it.

The voice processor 160 modulates the voice signal input from the microphone 180 and converts the voice signal into voice data, and demodulates the voice data input from the RF unit 150 into a voice signal. Output through voice.

7 is a detailed block diagram of the control unit 120 provided in the mobile communication terminal 100 interoperating with the mobile communication system according to an embodiment of the present invention.

Referring to FIG. 7, the control unit 120 performs a call execution processing unit 121 for making a phone call with another terminal 101, and when the phone call is in a standby state, the control unit 120 performs a notification operation of the corresponding terminal 100. It is configured to include a call waiting processor 122 to perform.

First, the call execution processing unit 121 transmits a traffic channel request message to the mobile communication switching center 400 and transmits and receives a voice packet with any other terminal 101 through a connected traffic channel to perform a phone call.

The call waiting processor 122 may perform a notification operation of the terminal 100 when the phone call being executed by the call execution processor 121 is in a waiting state, to provide a menu providing unit 122a and a waiting processor ( 122b), the reservation processing part 122c and the termination processing part 122d are provided.

The menu providing unit 122a displays one or more notification functions for displaying and processing the call intention of the terminal 100 on the screen window (shown in FIG. 8) provided in the display unit 130.

Referring to FIG. 8, an exemplary screen showing one or more notification functions for performing a notification operation for displaying and processing a call intention of the terminal 100 may be seen.

In this case, as illustrated in FIG. 8, the screen window 134 has a standby notification function for transmitting a standby notification message (shown in FIG. 2) to notify that the corresponding terminal 100 is waiting (see FIG. 2). "1. Informing me that I am waiting") and a reservation notification function ("2. Call reservation") to transmit a reservation notification message (shown in FIG. 3) requesting the other terminal to call the other terminal. Request ") and an end notification request function (" 3. Receive notification when the other party's call ends ") that transmits a request to receive an end notification message (shown in FIG. 4) indicating that another phone call of the other terminal has ended. Each notification function consisting of) is displayed.

When the standby notification unit 122b selects the standby notification function ("1. Informing that I am waiting") through the screen window 131, the standby processing unit 122b waits for a notification message for notifying that the corresponding terminal 100 is waiting (FIG. 2). Shown in FIG. 2) to the other terminal.

When the reservation notification function ("2. Applying for a phone reservation") is selected through the screen window 132, the reservation processing unit 122c requests a reservation notification message from the other terminal 101 to request a phone call from the other. 3) to the other terminal 101.

When the termination processing unit 122d selects the termination notification request function (“3. Receiving a notification when the other party's call is ended”) through the screen window 133, the telephone call ends when another telephone call of the corresponding terminal is terminated. A request signal for receiving an end notification message (shown in FIG. 4) indicating that the message is received is transmitted to the mobile communication switching center 400.

9 is an operation flowchart of a mobile communication switching center according to an embodiment of the present invention.

Referring to FIG. 9, the mobile communication switching center 400 sets up a call for a telephone call between any two terminals by using the call setup processing unit 420 according to the received call setup request (S1).

Next, the call waiting processing unit 430 waits for the set call according to the call setting request of the other phone call received from one terminal in a state in which a call is established between the two terminals by the step S1 (S2).

At this time, the other terminal, which is waiting, transmits a request for receiving an end notification message indicating the end of the other telephone call.

Therefore, the standby terminal processing unit 440 determines whether the termination notification request has been received from the other terminal subjected to the standby processing (S3).

If the termination notification request is not received from the other terminal subjected to the waiting process by the step S3, the step S3 is performed again without notifying the terminal having the waiting notice.

When the request signal of the termination notification message is received from the other terminal subjected to the waiting process by the step S3, the call end detecting unit 441 detects whether the set call of the other telephone call is released based on the received request signal. (S4).

Accordingly, when the notification processing unit 442 detects that the set call of the corresponding other phone call is released by step S4, the waiting processing terminal sends an end notification message for notifying the corresponding terminal that the call is terminated. Transfer to (S5).

10 is a flowchart illustrating an operation of the controller 120 provided in the mobile communication terminal according to an embodiment of the present invention.

Referring to FIG. 10, the mobile communication terminal 100 performs a phone call with any other terminal using the call execution processing unit 121 (S11).

Next, while the phone call with the other terminal is being performed, if another phone call of the other terminal is started and the corresponding phone call is waiting, the menu providing unit 122a displays the screen window provided on the display unit 130. In operation 134, one or more notification functions for performing the notification operation are displayed.

Next, the call waiting processor 122 determines whether the wait notification function is selected through the corresponding screen window 134 (S13).

As a result of the determination in step S13, when the standby notification function is selected, the standby processor 122b transmits a standby notification message (shown in FIG. 2) indicating that the corresponding terminal 100 is waiting (see FIG. 2) to the corresponding other terminal ( S14).

As a result of the determination in step S13, when the standby notification function is not selected, it is determined whether the reservation notification function is selected through the corresponding screen window 134 (S15).

As a result of the determination in step S15, when the reservation notification function is selected, the reservation processing unit 122c transmits a reservation notification message (shown in FIG. 3) requesting the other terminal to call the terminal to the other terminal ( S16).

As a result of the determination in step S15, when the reservation notification function is not selected, it is determined whether the termination notification request function is selected through the corresponding screen window 134 (S17).

As a result of the determination in step S17, when the termination notification request function is selected, the termination processing unit 132b receives a request signal for receiving an termination notification message (shown in FIG. 4) indicating that another telephone call of the corresponding other terminal has ended. Transmit to mobile communication switching center 400.

Accordingly, the waiting terminal transmits a message to indicate the call intention of the terminal even when a telephone call with another terminal is waiting, or is notified that another telephone call of the other terminal is terminated. Can be.

According to the present invention, when a user makes a phone call with another user, when another phone call of the other user is started and the corresponding phone call is waiting, the user no longer passively waits and provides a notification operation. .

Accordingly, the user does not have to wait for the user to send a message or a sound informing that he is waiting, or to communicate his / her intention to the other party by requesting to call again.

In addition, the user can be notified when the other phone call ends, so that the user does not have to repeatedly call to make another phone call.

Claims (13)

A memory for storing a telephone call program in which a procedure for making a telephone call with any other terminal is programmed; A call execution processor configured to perform a phone call with the other terminal according to a procedure of the phone call program stored in the memory; During the phone call with the other terminal by the call execution processor, if the ongoing phone call is queued, the call waiting processor that transmits a notification message for indicating the intention of the call to the other terminal. A mobile communication terminal providing a call waiting service, characterized in that it comprises a. delete Claim 3 was abandoned when the setup registration fee was paid. The method of claim 1, wherein the notification message And at least one of a waiting notification message for notifying that the user is waiting or a reservation notification message for requesting the other terminal to call the mobile communication terminal. Claim 4 was abandoned when the registration fee was paid. The method of claim 3, wherein the wait notification message is A mobile communication terminal providing a waiting service during a call, characterized in that a notification sound and / or text message for notifying that the user is waiting. Claim 5 was abandoned upon payment of a set-up fee. The method of claim 3, wherein the reservation notification message And a notification tone and / or text message for requesting to call the other terminal. Claim 6 was abandoned when the registration fee was paid. The method of claim 1, wherein the call waiting processing unit If the telephone call is queued while the telephone call processing process is being performed by the call execution processing unit, a request signal for receiving an end notification message indicating the end of the telephone call between another terminal of the other terminal is received. A mobile communication terminal providing a call waiting service, characterized in that the transmission to the MSC. Claim 7 was abandoned upon payment of a set-up fee. Storage means for storing subscriber information for call setup of a subscriber subscribed to a mobile communication network; A call setup processing unit for setting up a call for a telephone call between any two terminals using the stored subscriber information according to a call setup request received through the mobile communication network; A call waiting processing unit which waits for a call set according to a call setting request for another telephone call of one terminal while a call is set between the two terminals by the call setting processing unit; And a standby terminal processing unit configured to perform a notification operation according to a call intention of the other terminal according to a notification request received from another terminal queued by the call waiting processing unit. Claim 8 was abandoned when the registration fee was paid. The method of claim 7, wherein the standby terminal processing unit A call termination detector for detecting whether a call of another telephone call is released when a request signal of a termination notification message is received from another terminal held by the call waiting processor; And a notification processing unit for transmitting the termination notification message to the other terminal on the basis of the request signal when the call termination detection unit detects that the call of the other telephone call has been released. A mobile switching center that provides call waiting service. Claim 9 was abandoned upon payment of a set-up fee. A method of receiving and processing a call waiting service of a mobile communication terminal having a display unit for providing a screen window, Performing a phone call with an arbitrary terminal; And a notification operation step of performing a notification operation for indicating a call intention of the user when the telephone call being performed is queued while performing the telephone call by the call execution step. Method of processing call waiting service of terminal. Claim 10 was abandoned upon payment of a setup registration fee. The method of claim 9, wherein the notification operation step Displaying, on the screen window, at least one notification function for performing a notification operation for indicating a call intention of the user when the phone call being held is queued while performing the phone call by the call execution step. Display steps, And a notification operation step of performing a notification operation corresponding to the selected notification function when any one or more notification functions displayed by the display step are selected. Claim 11 was abandoned upon payment of a setup registration fee. The method of claim 10, wherein the notification function A standby notification function for transmitting a standby notification message for notifying that the user is waiting to the other terminal, a reservation notification function for transmitting a reservation notification message for requesting the other terminal to call the other terminal, and the other terminal And at least one of an end notification request function for transmitting a request for receiving an end notification message for notifying the end of a telephone call between the terminal and another terminal. Claim 12 was abandoned upon payment of a registration fee. Setting up a call for a telephone call between any two terminals according to a call setup request received through a mobile communication network; Waiting for the set call when a call setting request for another phone call of any one terminal is received while the call is established between the two terminals; And performing a notification operation according to a request received from the terminal subjected to the waiting process. Claim 13 was abandoned upon payment of a registration fee. The method of claim 12, wherein performing the notification operation Receiving a request signal for receiving the termination notification message of the other phone call from the standby terminal; When the request signal is received by the receiving step, detecting whether the set call of the other telephone call is released; And if it is detected by the detecting step that the set call of the other telephone call has been released, sending a termination notification message to the waiting terminal.

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