KR20030056554A - Method for conference call in mobile phone - Google Patents

Abstract

PURPOSE: A conference call method in a mobile communication terminal is provided to input several phone numbers, and to press a group call key or a send key after inputting a phone number discrimination code, thereby enabling a multipoint call for the group. CONSTITUTION: If a user inputs a plurality of phone numbers(S110), the inputted phone numbers are stored(S112). If the user requests a call(S114), the first incoming phone number is read and transmitted to a base station(S116). A controller decides whether a call is set(S118). If not, the controller decides whether a call unavailable state is generated(S119). If a call unavailable state is not generated, the step S118 is returned to decide whether a call is set. If a call unavailable state is generated, whether a next incoming number exists is decided(S122). If the call is set in the step S118, a waiting announcement is delivered(S120) and whether a next incoming number exists is decided(S122). If so, the next incoming number is read and transmitted to the base station in a flash with information message(S124), and the step S118 is returned to decide whether a call is set. If a next incoming number does not exist, a send key is delivered(S125) to allow the base station to set a multipoint call(S126). If the multipoint call is set, a multipoint call announcement is delivered(S127) to provide the multipoint call(S128).

Description

Method of conference call in mobile terminal {Method for conference call in mobile phone}

The present invention relates to a conference call method in a mobile communication terminal. Particularly, a multi-party call for a group is possible by pressing a group call key or a call key after inputting several telephone numbers, inputting a delimiter between telephone numbers. To a conference call method.

Recently, with the rapid development of communication technology, it provides a very convenient point in daily life. One of them is to make a multi-party call at the same time using a terminal.

1 is a signal flow diagram illustrating a multi-party simultaneous call method using a terminal according to the prior art.

Referring to the figure, the caller requests the originator 1 to the base station through the origination message (Origination Message), the base station receives the request calls the called party 1 and connects the sender and the called party 1.

Then, the caller requests the caller 2 to the caller through a flash message (Flash with Information Message), and the base station receives the request calls the caller 2 and connects the caller and the caller 2.

When this operation is completed and the caller, the called party 1 and the called party 2 are connected, the DTMF transmission (Send DTMF) is transmitted to the base station to request a multi-party connection, thereby enabling the base station to make a multi-party simultaneous call.

On the other hand, according to such a prior art, when calling a large number of people, the telephone user has a hassle to enter a phone number one by one.

Therefore, the present invention has been made in order to solve the above problems, it is possible to multi-party call for a group by pressing a group call key or a call key after inputting a number of phone numbers, enter a delimiter between phone numbers An object of the present invention is to provide a conference call method in a mobile communication terminal.

1 is a signal flow diagram illustrating a multi-party simultaneous call method using a terminal according to the prior art.

2 is an internal block diagram of a mobile communication terminal providing an automatic conference call function according to an embodiment of the present invention.

3 is a signal flow diagram of a conference call method in a mobile communication terminal according to an embodiment of the present invention.

4 is a flowchart illustrating a conference call method in a mobile communication terminal according to an embodiment of the present invention.

5 is a signal flowchart of a conference call method in a mobile communication terminal according to another embodiment of the present invention.

6 is a flowchart illustrating a conference call method in a mobile communication terminal according to another embodiment of the present invention.

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

100: control unit 110: key input unit

120: display unit 130: memory

140: signal processing unit 150: RF unit

As described above, the present invention includes a first step of receiving and storing a plurality of telephone numbers to be simultaneously called by a user and displaying them on a display unit; A second step of requesting a call by selecting one of a plurality of stored phone numbers and transmitting the same to the base station if the user wants to make a simultaneous call; A third step of determining whether a call is established after the second step and determining if a call is not established, and determining whether a next called number exists if the call is set up; A fourth step of repeating from the process of determining whether the call of the third step is set if the call is not determined as a result of the determination of whether the call of the third step is impossible; A fifth step of determining whether there is a next called number if the call is impossible as a result of determining whether the third step is impossible; When the next called number exists in the third step and the fifth step, if the next called number exists, the next called number is automatically read and transmitted to the base station to request a call, and repeating from the third step. 6 steps; And a seventh step of transmitting a call key signal to a base station to establish a multi-party call if the next called number is not found as a result of determining whether the next called number of the third step and the fifth step exists. .

In addition, the present invention comprises a first step of receiving and storing a plurality of telephone numbers to be called simultaneously from a user and displaying on a display unit; A second step of transmitting a plurality of telephone numbers to a base station by using an origination message when a user presses a call button for a call; A third step of receiving a plurality of telephone numbers from a mobile communication terminal, attempting to set up a call with respect to the received telephone numbers; And a fourth step of establishing a connection to the sender's traffic channel in the connected order.

Hereinafter, a preferred embodiment of the present invention will be described in detail with reference to FIG. 2.

2 is an internal block diagram of a mobile communication terminal providing an automatic conference call function according to an embodiment of the present invention.

Referring to the drawings, the mobile communication terminal providing the automatic conference call function according to an embodiment of the present invention, the control unit 100, the key input unit 110, the display unit 120, the memory 130, the signal processing unit 140 And an RF unit 150.

The controller 100 manages the overall operation of the digital mobile communication terminal and can be realized as a one chip microprocessor.

The memory 130 stores a predetermined program for controlling the overall operation of the mobile phone, and stores data input and output and various data processed when the overall operation of the digital mobile communication terminal is performed by the controller 100.

The key input unit 110 includes a plurality of numeric keys, and generates corresponding key data when the user presses a predetermined key and outputs the corresponding key data to the controller 100.

The display unit 120 includes a liquid crystal display for displaying various types of information, and is controlled by the controller 100, and receives and displays key data generated by the key input unit 110 and various information signals of the controller 100. The display unit 120 may be implemented as a liquid crystal display (LCD).

The signal processor 140 processes voice signals input and output through the speaker SP and the microphone MIC. In addition, the signal processor 140 detects the ring signal through the RF unit 150 when a ring signal is generated from the base station and transmits a ring sound through a ringer.

The RF unit 150 modulates and demodulates data input and output to the control unit 100 and modulates and demodulates a voice signal input and output to the signal processing unit 140.

In addition, the RF unit 150 converts a radio signal received through the antenna into a signal of an intermediate frequency, and converts a modulated signal into a radio signal and transmits it through the antenna.

3 is a signal flow diagram of a conference call method in a mobile communication terminal according to an embodiment of the present invention.

Referring to the drawing, when the caller enters all the desired number and presses the call, the control unit of the mobile communication terminal transmits the first called party (hereinafter called called party 1) number to the base station through the origination message (Recipient Message). Request call connection with 1.

Here, in the caller inputting the number to be called, the distinction between the called party numbers may use blanks or special characters, and the control unit may use a blank or a special character to call out multiple phone numbers. If you enter it, the phone number is saved in the memory sequentially.

Meanwhile, the base station calls the called party 1 and connects the call between the calling party and the called party 1 if possible.

The control unit of the mobile communication terminal, which is notified of the call with the called party 1 by the base station, sends a message saying, "I am connecting to someone else. Please wait."

In addition, the control unit automatically reads the next called party number (hereinafter referred to as called party 2) stored in the memory and transmits it to the base station through a flash message (Flash with Information Message) to request a call setup with the called party 2.

The base station, which has been requested to establish a call with the called party 2, calls the called party 2 and establishes a call between the calling party and the called party 2.

The controller determines whether the called party number for the next call is stored in the memory, and if no more called party numbers are stored in the memory, the control unit sends a DTMF signal to the base station and requests a conference call setting. The base station received the request establishes a conference call.

When the conference is completed as described above, the control unit of the mobile communication terminal sends the announcement "Group call is made. Please call."

4 is a flowchart illustrating a conference call method in a mobile communication terminal according to an embodiment of the present invention.

Referring to the drawing, when the user inputs a plurality of telephone numbers using blanks or special characters (step S110), the plurality of input telephone numbers are stored (step S112).

Thereafter, when the user requests a call (step S114), the first called telephone number is read and transmitted to the base station (step S116). At this time, the base station receiving the first recipient's telephone number calls the called party, and the call is possible, and if the called party wants to set up the call, the call setting signal is provided to the caller.

Accordingly, the control unit of the mobile communication terminal determines whether a call is set (step S118), and if it is not set, determines whether or not a call is impossible (step S119).

As a result of the determination, if the call is not available, the process is repeated from the process of determining whether the call is set. If the call is unavailable, the process of determining whether there is a next called number is performed.

On the other hand, if it is determined that the call is set, if it is set, it sends out the waiting announcement (step S120), and determines whether there is a next called number (step S122).

As a result of determination, if the next called number is found, the next called number is read and transmitted to the base station in a flash message (Flash with informatiom Message) (step S124). (Send Key) is transmitted (step S125), so that the base station establishes a conference call (step S126).

Thus, when the conference is set, the conference announcement is sent (step S127), and the conference is provided (step S128).

5 is a signal flowchart of a conference call method in a mobile communication terminal according to another embodiment of the present invention.

When a user inputs a plurality of telephone numbers using blanks or special characters, the telephone numbers are stored.

Then, when the user wants to call and presses a call button, the user sends a plurality of telephone numbers to the base station by using an origination message. In this case, there are a number of numbers in the Origination Message or a number of Origination fields are bundled and transmitted.

As described above, the base station which has received a plurality of telephone numbers from the mobile communication terminal attempts to establish a call by simultaneously transmitting paging to all of the received telephone numbers.

Then, the connection is established to the sender's traffic channel in the first connected order, in which case the caller can continue the conversation from the first connected user until all the people participate.

6 is a flowchart illustrating a conference call method in a mobile communication terminal according to another embodiment of the present invention.

Referring to the drawings, a conference call method in a mobile communication terminal according to another embodiment of the present invention, when the user inputs a plurality of telephone numbers using blanks or special characters (step S210) stores the input telephone numbers (Step S212).

Thereafter, when the user wants to call and presses a call button, the user transmits a plurality of telephone numbers to the base station using an origination message (step S216).

Next, the base station attempts to set up a call by simultaneously transmitting paging for all of the received phone numbers from the mobile communication terminal.

Thereafter, a connection is established to the caller's traffic channel in the first connected order (step S218), and a conference call is provided (step S222).

In the meantime, the method of receiving a plurality of phone numbers directly from the user has been described, but a group setting menu is provided so that the user can set a group. It can also be implemented to send out a phone number.

Although the present invention has been described in detail using the preferred embodiments, the scope of the present invention is not limited to the specific embodiments, and should be interpreted by the appended claims.

According to the present invention as described above, when a caller makes a conference call with several people, there is an effect of making it possible to conveniently make a call to a large number of users by eliminating the inconvenience of having to make a call by pressing a phone number every time a call is made.

In addition, according to the present invention, there is an effect that can eliminate the inconvenience of using a little or short time waiting for a large number of recipients.

In addition, according to the present invention, there is an effect that can be useful when a video call, video conferencing with a number of people when the video call.

Claims (10)

A first step of receiving and storing a plurality of telephone numbers to be simultaneously called by a user and displaying the same on a display unit; A second step of requesting a call by selecting one of a plurality of stored phone numbers and transmitting the same to the base station if the user wants to make a simultaneous call; A third step of determining whether a call is established after the second step and determining if a call is not established, and determining whether a next called number exists if the call is set up; A fourth step of repeating from the process of determining whether the call of the third step is set if the call is not determined as a result of the determination of whether the call of the third step is impossible; A fifth step of determining whether there is a next called number if the call is impossible as a result of determining whether the third step is impossible; When the next called number exists in the third step and the fifth step, if the next called number exists, the next called number is automatically read and transmitted to the base station to request a call, and repeating from the third step. 6 steps; And In the mobile communication terminal comprising a seventh step to establish a multi-party call by transmitting a call key signal to the base station if the next called number is not found as a result of determining whether the next called number of the third step and the fifth step exists; Conference call method. The method of claim 1, wherein the first step A first step of inputting a plurality of telephone numbers by which a user wants to make a simultaneous call using blank or special characters; And And a first and second steps of storing a plurality of telephone numbers input by a user in a memory and displaying them on a display unit. The method of claim 1, wherein the first step Providing a group setting screen when the user selects a group setting menu; Receiving a group name from a user, receiving a plurality of phone numbers corresponding to the input group, and storing the plurality of phone numbers input as the group name; And If the user selects the group menu, the mobile terminal is provided with the set group name, and if the user selects the group to be called and presses the call button, the mobile communication terminal includes steps 1 to 3 of displaying a plurality of phone numbers belonging to the group on the display unit. Method of conference call. The method according to any one of claims 1 to 3, And a 3-1 step of transmitting the waiting announcement to the called party after the call is set up in the third step. The method of claim 4, wherein And a 7-1 step of transmitting a multi-party call announcement to a plurality of called parties after the multi-party call is set in the seventh step. A first step of receiving and storing a plurality of telephone numbers to be simultaneously called by a user and displaying the same on a display unit; A second step of transmitting a plurality of telephone numbers to a base station by using an origination message when a user presses a call button for a call; A third step of receiving a plurality of telephone numbers from a mobile communication terminal, attempting to set up a call with respect to the received telephone numbers; And And a fourth step of establishing a connection to the caller's traffic channel in the connected order. The method of claim 6, wherein the first step A first step of inputting a plurality of telephone numbers by which a user wants to make a simultaneous call using blank or special characters; And And a first and second steps of storing a plurality of telephone numbers input by a user in a memory and displaying them on a display unit. The method of claim 6, wherein the first step Providing a group setting screen when the user selects a group setting menu; Receiving a group name from a user, receiving a plurality of phone numbers corresponding to the input group, and storing the plurality of phone numbers input as the group name; And If the user selects the group menu, the mobile terminal is provided with the set group name, and if the user selects the group to be called and presses the call button, the mobile communication terminal includes steps 1 to 3 of displaying a plurality of phone numbers belonging to the group on the display unit. Method of conference call. The method according to any one of claims 6 to 8, The second step of transmitting a plurality of phone numbers in the conference call method of the mobile communication terminal, characterized in that for transmitting a number multiple in the Origination Message (Origination Message). The method according to any one of claims 6 to 8, The process of transmitting the plurality of telephone numbers of the second step is a conference call method of a mobile communication terminal, characterized in that for transmitting a plurality of telephone numbers by binding a number (Num. Of Origination) field.