KR20070067438A - Multi-point calling method using mobile communication terminal onboard bluetooth chip - Google Patents

Abstract

A multi-party call communication method using a mobile terminal having a Bluetooth chip is provided to allow a user to set such that only a particular headset is available for call communication and to perform security call communication with a user of the particular headset through a whisper mode. A user terminal(100) and the other terminal(200) each having a Bluetooth chip are connected for call communication(S101). The user terminal and multiple wireless headsets(101-103) having a Bluetooth chip are set to be connected(S102-S104). Voice data received from the other terminal is transmitted to the multiple wireless headsets through radio communication(S106). When transmission of voice data is generated from one of the wireless headsets, the voice data is stored(S111). The stored voice data is transmitted to the remaining wireless headsets and the other terminal(S112-S114).

Description

Multi-party call method using mobile terminal equipped with Bluetooth chip {MULTI-POINT CALLING METHOD USING MOBILE COMMUNICATION TERMINAL ONBOARD BLUETOOTH CHIP}

1 is an overall configuration diagram for explaining a conventional multi-party call method.

2 is a schematic overall configuration diagram for a multi-party call of a mobile communication terminal equipped with a Bluetooth chip according to an embodiment of the present invention.

3 is a diagram illustrating a stack structure of an audio gateway of the mobile communication terminal of FIG.

4 is a configuration diagram of a link list stored in the mobile communication terminal of FIG. 2;

5 is a flowchart illustrating a multi-party call method of the mobile communication terminal of FIG. 2.

*** Explanation of symbols for the main parts of the drawing ***

10, 20: phone 100: user terminal

200: counterpart terminal 101, 102, 103: wireless headset

The present invention relates to a multi-party call method using a mobile communication terminal equipped with a Bluetooth chip, and more particularly to a multi-party call using a plurality of wireless headsets connected to a mobile communication terminal equipped with a Bluetooth chip. Technology.

In general, mobile terminals are palm PCs, personal digital assistants (PDAs), mobile phones, and handheld PCs (HPCs). It is a high-tech communication device that can perform various tasks through connection.

Current mobile communication terminals are capable of transmitting and receiving large amounts of data as well as transmitting and receiving voice signals, and are rapidly spreading due to various services such as moving pictures, TVs, and movies, and their convenience of carrying. The range of applications is also diversified.

However, in the case of conferences, conferences, seminars, etc., if you want to conduct a multi-party call with an external participant, when using a conventional mobile communication terminal, a multi-call must be made using each terminal. This multi-currency method is limited in the circuit and the call charges are respectively calculated, resulting in high economic cost.

Accordingly, conventionally, as shown in FIG. 1, a multi-party call between group A and group B is attempted by using speakerphones 10 and 20 or by connecting a speaker to a mobile communication terminal. However, in the conventional method, there is an inconvenience of being delivered to the counterpart terminal when the user gathers in one place and listens to the microphone part of the terminal.

In particular, the conventional multi-party call method, the participants receive a lot of space constraints when the place is narrow, the participant must stay near the speakerphone during the multi-way call, and the same speaker of the speaker regardless of the listening ability of each participant There was a problem of listening to the volume.

An object of the present invention for solving the above problems is to enable a multi-party call using a mobile communication terminal with a Bluetooth chip and a plurality of wireless headsets with a Bluetooth chip.

In addition, another object of the present invention is to enable only a specific wireless headset can be set to talk, and to increase the user convenience by enabling a secure call to the user of a specific headset through the whisper mode.

A multi-party call method using a mobile communication terminal equipped with a Bluetooth chip according to the present invention for achieving the above object, the first process of performing a call connection between the user terminal and the other terminal equipped with a Bluetooth chip, the user terminal and Bluetooth A second process of respectively establishing a connection setting of a plurality of wireless headsets equipped with a chip, a third process of transmitting voice data received from a counterpart terminal to the plurality of wireless headsets through wireless communication, and one of the plurality of wireless headsets And transmitting a voice data from the voice data, and transmitting a stored voice data to all remaining wireless headsets and the counterpart terminal of the plurality of wireless headsets.

In addition, a multi-party call method using a mobile communication terminal equipped with a Bluetooth chip according to the present invention, the first process of performing a call connection between the user terminal equipped with a Bluetooth chip and the other terminal, and the user terminal and the Bluetooth chip Performing a connection setup of the plurality of wireless headsets and storing address information and security mode information of the plurality of wireless headsets, and when a security mode is requested by the user, using the address information to identify a plurality of wireless headsets. A third step of transmitting voice data to the wireless headset; a fourth step of storing voice data when transmission of voice data from one of the specific wireless headsets; and storing the stored voice data in the specific wireless headset and the counterpart. And a fifth process of transmitting to the terminal.

In addition, a multi-party call method using a mobile communication terminal equipped with a Bluetooth chip according to the present invention, the first process of performing a call connection between the user terminal equipped with a Bluetooth chip and the other terminal, and the user terminal and the Bluetooth chip Performing a connection setup of the plurality of wireless headsets respectively and storing address information and whisper mode information of the plurality of wireless headsets; and if the whisper mode is requested by the user, the plurality of wireless headsets may use the plurality of wireless headsets using the address information and the whisper mode information. A third process of transmitting voice data to a specific wireless headset of the wireless headset, a fourth process of storing voice data when transmission of voice data from one of the specific wireless headsets is performed, and storing the stored voice data in the specific wireless mode. Characterized in that it comprises a fifth process of transmitting to the other of the headset Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings.

2 is a schematic overall configuration diagram for a multi-party call of a mobile communication terminal equipped with a Bluetooth chip according to an embodiment of the present invention.

First, the user terminal 100 and the counterpart terminal 200 incorporating a Bluetooth chip allow a remote call through a base station (not shown), and are connected to each of the user terminal 100 and the counterpart terminal 200. A plurality of wireless headsets 101 to 106 are provided.

At this time, the plurality of wireless headsets 101 to 106 have a built-in Bluetooth chip, and the wireless headsets 101 to 103 can make a multi-party call through wireless communication with the user terminal 100 using the user terminal 100 as a master. In addition, the wireless headsets 201 to 203 can make a multi-party call through wireless communication with the counterpart terminal 200 using the counterpart terminal 200 as a master.

That is, the user terminal 100 simultaneously transmits the voice data received from the counterpart terminal 200 to the wireless headsets 101 to 103 through PCM standard processing, and transmits the voice data from one of the wireless headsets 101 to 103. When the voice data is stored, the voice data may be transferred to another wireless headset, thereby enabling communication between the wireless headsets 101 to 103.

3 is a diagram illustrating a stack structure of an audio gateway stored in the user terminal 100 and the counterpart terminal 200 of FIG. 2.

As shown in FIG. 3, the audio gateway stack structure includes an audio port emulation application layer, a headset control layer, a headset control layer, a session description protocol, and a serial cable emulation protocol. Protocol (L2CAP), a Logical Link and Control Adaptation Protocol (L2CAP), a Host Control Interface (Host Controller Interface), a Link Manager (Link Manager), a Link Controller (Link Controller), and a Radio Layer (Radio).

In particular, in the present invention, a headset control layer includes a Bluetooth control task and a Bluetooth schedule task. At this time, the Bluetooth control task manages a link list for storing address information of each headset, and the Bluetooth schedule task transmits and receives data with the counterpart terminal 200 and each wireless headset 101 to the user terminal 100. Manage transmission and reception to the 103).

Here, the link list for storing the slave addresses of the headsets 101 to 103 is implemented as shown in FIG.

According to Fig. 4, respective lists for storing unique address information of each of the headsets 101 to 103 are generated, and each list is linked.

On the other hand, the slave address information of each of the headsets 101 to 103 stored in the link list is composed of a total of 6 bytes of hexa (hexa) values as shown in Table 1 below.

 TABLE 1

1 byte 1 byte 1 byte 1 byte 1 byte 1 byte

Hereinafter, with reference to FIG. 5, a multi-party call method of the mobile communication terminal of the present invention will be described in detail.

First, when a call is connected between the user terminal 100 and the counterpart terminal 200 (S201), the user terminal 100 attempts to connect to each of the plurality of wireless headsets 101 to 103 assigned to the corresponding terminal (S102). ~ S104). Here, the processes S102 to S104 are preferably performed at the same time. In this case, the connection between the user terminal 100 and the plurality of wireless headsets 101 to 103 may be performed when the user terminal 100 scans the plurality of wireless headsets and searches for the plurality of wireless headsets 101 to 103. Call is made to connect.

Thereafter, the user terminal 100 stores address information of the connected wireless headsets 101 to 103 as a link list (S105).

Subsequently, when call-related voice data is received from the counterpart terminal 200 (S106), the user terminal 100 processes the voice data by PCM (Pulse Code Modulation) for Bluetooth communication, and then the voice data is transmitted to each wireless headset. Transmits to 101 to 103 via wireless communication (S107 to S109). At this time, it is preferable that the processes S107 to S109 are performed at about the same time, and this is performed by the Bluetooth schedule task.

Thereafter, when voice data is transmitted from one of the plurality of wireless headsets 101 to 103 (S110), the user terminal 100 stores the transmitted voice data (S111). To this end, the user terminal 100 preferably includes a PCM data buffer (not shown). It is also desirable that voice data received from the wireless headset 102 be managed by a Bluetooth control task.

Subsequently, the user terminal 100 outputs voice data transmitted from the wireless headset 102 to the other wireless headsets 101 and 103 and the counterpart terminal 200 (S112 to S114). In this case, the processes S112 to S114 are preferably performed at about the same time, which is performed by the Bluetooth schedule task, and the transmission to the counterpart terminal 200 is preferably performed through the mobile communication protocol stack.

Meanwhile, when the user terminal 100 stores the address information of each of the headsets 101 to 103 after the connection is established with each of the headsets 101 to 103 in steps S102 to S104, if the security mode is set by the user, By storing only the address information for the wireless headset requested by the terminal and deleting the unsolicited address information, the wireless headset selected by the user's request can be controlled to participate in the conference. That is, the wireless headset not requested by the user does not receive voice data even when a connection is established with the user terminal 100.

In addition, when the user terminal 100 stores the address information of each of the headsets 101 to 103 after the connection is established with each of the headsets 101 to 103 in steps S102 to S104, calls between specific wireless headsets are requested by the user. By storing the whisper mode information that designates a whisper mode for a specific wireless headset, only the specific wireless headsets designated during the call can be made available to call. To this end, the user terminal 100 stores the address information for the specific wireless headset to perform the whisper mode and deletes the address information for the remaining wireless headset.

For example, when a user wants to talk in whisper mode, the user terminal 100 outputs voice data only to specific wireless headsets A and B using the stored whisper mode information, and the other terminal (C, D). Do not carry voice data. In addition, the user terminal 100 stores the voice data transmitted from the specific wireless headset A, applies only to the specific wireless headset B, stores the voice data transmitted from the specific wireless headset B, and then stores the specific wireless data. By applying only to the headset A, the other wireless headsets C and D are not able to receive the call content between the specific wireless headsets A and B.

Meanwhile, the flowchart of FIG. 5 illustrates an embodiment in which a plurality of wireless headsets 101 to 103 are connected to the user terminal 100, but the plurality of wireless headsets are also connected to the counterpart terminal 200, as shown in FIG. 5. It is possible to implement a multi-party call in this way.

As described above, the present invention has the effect of enabling a multi-party call using a plurality of wireless headsets with a built-in Bluetooth chip.

In addition, the present invention has the effect of increasing the user's convenience by preventing the invasion of privacy of the participant by enabling the multi-party call to enable the convenience of mobility during the call, and the individual adjustment of the volume of the transmission and reception sound.

In addition, the present invention has the effect of enabling to set only a specific wireless headset to be able to talk, and to increase the user convenience by enabling a secure call to the user of a specific headset through the whisper mode.

In addition, a preferred embodiment of the present invention is for the purpose of illustration, those skilled in the art will be able to various modifications, changes, replacements and additions through the spirit and scope of the appended claims, such modifications and changes are the following claims It should be seen as belonging to a range.

Claims (9)

A first process of performing a call connection between a user terminal equipped with a Bluetooth chip and a counterpart terminal; A second step of performing connection setup of each of the user terminal and a plurality of wireless headsets equipped with a Bluetooth chip; A third step of transmitting voice data received from the counterpart terminal to the plurality of wireless headsets through wireless communication; A fourth process of storing the voice data when transmission of voice data from one of the plurality of wireless headsets occurs; And And transmitting a fifth step of transmitting the stored voice data to all remaining wireless headsets and the counterpart terminal of the plurality of wireless headsets. The method of claim 1, wherein the second process comprises: Step 2-1 of the user terminal scanning the plurality of wireless headsets; Step 2-2 of performing a call for connection when the plurality of wireless headsets are found; And And a second process for performing a connection with the called wireless headset. 2. The method of claim 2, wherein the second process comprises: When the connection is completed, the method further comprises a step 2-4 of storing the address information of the plurality of wireless headsets in a link list. The method of claim 3, wherein the second process, And a second to fifth process of storing an audio gateway stack including a Bluetooth control task for managing the link list and a Bluetooth schedule task for managing transmission and reception of the voice data. Conference call method using the. The method of claim 1, wherein the third process comprises: Multi-party call method using a mobile communication terminal equipped with a Bluetooth chip, characterized in that for processing the voice data PCM (Pulse Code Modulation) for Bluetooth communication. A first process of performing a call connection between a user terminal equipped with a Bluetooth chip and a counterpart terminal; A second step of performing connection setting of each of the user terminal and the plurality of wireless headsets equipped with a Bluetooth chip and storing address information and security mode information of the plurality of wireless headsets; A third step of transmitting voice data to a specific wireless headset of the plurality of wireless headsets using the address information when a security mode is requested by a user; A fourth process of storing the voice data when transmission of voice data from one of the specific wireless headsets occurs; And And a fifth process of transmitting the stored voice data to the specific wireless headset and the counterpart terminal. The method of claim 6, wherein the third process, And storing address information of the specific wireless headset and deleting address information of the wireless headset not requested by the user. A first process of performing a call connection between a user terminal equipped with a Bluetooth chip and a counterpart terminal; A second step of performing connection setting of each of the user terminal and the plurality of wireless headsets equipped with the Bluetooth chip and storing address information and whisper mode information of the plurality of wireless headsets; A third step of transmitting voice data to a specific wireless headset of the plurality of wireless headsets using the address information and the whisper mode information when the user requests the whisper mode; A fourth process of storing the voice data when transmission of voice data from one of the specific wireless headsets occurs; And And a fifth process of transmitting the stored voice data to another one of the specific wireless headsets. The method of claim 8, wherein the third process, And storing address information of the specific wireless headset to perform the whisper mode and deleting address information of the remaining wireless headset.

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