CN1855972B - Method for bluetooth chat and calling hold in mobile network and three-party chat - Google Patents

Abstract

The method is concerned with the calling maintenance of the Bluetooth communication and the mobile network communication, and three side communication. The invention makes the corresponding control and adjustment of the communication controlling connection between the Bluetooth voice gateways by the Bluetooth voice terminal, achieves the switch freely between the Bluetooth communication and the mobile network communication by the calling maintenance function of the mobile network; processes connection between the Bluetooth voice channel and the mobile network communication voice channel in the Bluetooth voice terminal equipment, achieves the three side communication function between the far-end user and the mobile network user in the exterior network that is connected by the Bluetooth voice terminal equipment and the Bluetooth voice gateway.

Description

A method for holding a bluetooth call and a mobile network call and a three-party call

technical field

The invention relates to the bluetooth communication technology, in particular to the bluetooth call and mobile network call hold technology.

technical background

Bluetooth is a short-range wireless communication technology that operates in the 2.4GHz Industrial-Scientific-Medical (ISM) frequency band. The basic network structure of Bluetooth is a piconet (Piconet) composed of a master device and up to seven slave devices. The master device and slave devices communicate by means of time division multiple access (TDMA). Using Bluetooth technology, various devices can be connected in a low-cost manner. The Bluetooth Special Interest Group (SIG) is a non-governmental organization that formulates and guides Bluetooth specifications and applications. According to the Bluetooth cordless phone application model formulated by the Bluetooth Special Interest Group, the Bluetooth gateway (GW) is connected to the external network to handle all interactions related to the external network; the Bluetooth voice terminal (TL) is the wireless user terminal through the Bluetooth wireless link. The gateway is connected. In this application model, the gateway is the main device (master), which can provide connections for 7 user terminals from the device (slave) at the same time. The bluetooth terminal can not only answer the outside line calls through the bluetooth gateway, but also call the outside line users of the external network connected to the gateway through the gateway.

At present, the Bluetooth voice terminal device can conduct Bluetooth calls through the Bluetooth voice gateway, and can also receive and make calls as an ordinary mobile phone through the mobile network. However, the current Bluetooth voice terminal devices generally can only support one of the call modes at the same time, and cannot combine the calls of the two modes into one call, that is, the function of realizing the three-way call. This causes inconvenience to the use of the user.

Contents of the invention

The primary purpose of the present invention is to provide a method for supporting bluetooth voice terminal equipment to carry out call holding and three-party calling between bluetooth cordless phone application calls and mobile network calls. The present invention controls and adjusts the bluetooth call with the bluetooth voice gateway through the bluetooth voice terminal equipment and utilizes the call hold function of the mobile network to realize mutual free switching between the bluetooth call and the mobile network call; and through the bluetooth voice terminal equipment Connect the Bluetooth voice channel and the voice channel of the mobile network call room to realize the three-way call function between the Bluetooth voice terminal device user, the remote user of the fixed network connected to the Bluetooth voice gateway, and the remote user connected to the mobile network. Wherein, the mobile network may be a GSM, CDMA or 3G network and the like.

The methods described include:

(a) On the Bluetooth voice terminal device, it is hoped to establish a Bluetooth cordless phone application (Cordless Telephony Profile, referred to as CTP) or Bluetooth headset application (Headset Profile, referred to as HSP) or Bluetooth car hands-free application (Handsfree Profile, referred to as HFP) The call control connection with the Bluetooth voice gateway is used to make a Bluetooth call with a remote user, and at the same time, it is also hoped to establish a mobile network call on the Bluetooth voice terminal device. The Bluetooth voice terminal device can use the call hold technology of the mobile network to hold or resume the call on the mobile network, and can also communicate with the Bluetooth voice gateway to realize the call hold and call recovery of the Bluetooth call. In this way, it is realized that the Bluetooth voice terminal device can simultaneously conduct a mobile network call and a Bluetooth call, and switch between the two calls.

(b) When a Bluetooth call and a mobile network call are simultaneously performed on a Bluetooth voice terminal device, the remote user of the mobile network call and the Bluetooth call can be realized by connecting the voice channel of the mobile call and the Bluetooth voice channel on the Bluetooth voice terminal device A three-way call between the remote user and the device.

(c) The method for holding a call in a Bluetooth call is to implement a simple internal communication mechanism between the Bluetooth voice terminal device and the gateway, so that the Bluetooth voice terminal device can notify the gateway to hold and resume the call. On this basis, by disconnecting the Bluetooth call control connection between the Bluetooth voice terminal device and the Bluetooth voice gateway and the connection of the Bluetooth voice channel, or by retaining the Bluetooth call control connection and only disconnecting the Bluetooth voice channel, and in the Bluetooth The voice gateway realizes the call hold of the Bluetooth call without interrupting the call with the remote user. When the Bluetooth voice terminal device tries to resume the Bluetooth call, it can establish a corresponding Bluetooth call control connection and a Bluetooth voice channel or only establish a Bluetooth voice channel according to the method adopted for the call hold to resume the call.

(d) For the method of connecting the voice channel of the mobile call and the Bluetooth voice channel in the method for establishing a three-party call between the Bluetooth call and the mobile network call, the output end of the voice channel of the Bluetooth module and the mobile communication channel can be connected by hardware. The voice output terminals of the module are respectively connected to the voice output devices of the Bluetooth voice terminal equipment, and the voice input equipment of the Bluetooth voice terminal equipment are respectively connected to the input terminal of the voice channel of the Bluetooth module and the voice input terminal of the mobile communication module. The voice of the mobile communication module is output to the input end of the voice channel of the Bluetooth module, and the voice of the voice channel of the Bluetooth module is output to the voice input end of the mobile communication module.

Because it can carry out Bluetooth calls and mobile network calls at the same time, and can freely switch between the two calls, or connect the two calls to achieve a three-way call, it is very convenient for users to use and expands the Bluetooth voice terminal equipment. application.

Description of drawings

Objects and advantages of the present invention will be facilitated by describing in detail embodiments of the present invention with reference to the accompanying drawings. in:

1 is a step diagram of a method for implementing a call hold based on a Bluetooth call application and a mobile network according to a first embodiment of the present invention;

FIG. 2 is a step diagram of a method for implementing a call hold based on a Bluetooth call application and a mobile network according to a second embodiment of the present invention;

FIG. 3 is a message flow diagram of a method for implementing a three-party call based on a Bluetooth call application and a mobile network according to an embodiment of the present invention;

4 is a message flow diagram of a method for implementing a three-party call based on a Bluetooth call application and a mobile network according to another embodiment of the present invention;

Fig. 5 is a message diagram of a method for maintaining a Bluetooth call by not cutting off the call control connection between the Bluetooth voice terminal device and the Bluetooth voice gateway;

Fig. 6 is a message diagram of a method for carrying out Bluetooth call hold by cutting off the call control connection between the Bluetooth voice terminal device and the Bluetooth voice gateway;

Fig. 7 is a message flow diagram of a bluetooth voice terminal equipment MS recovering the original bluetooth conversation by connecting with the voice channel of the bluetooth voice gateway;

Fig. 8 is a message flow diagram of a bluetooth voice terminal MS recovering the original bluetooth call by connecting to the call control connection with the bluetooth voice gateway.

Detailed ways

FIG. 1 is a step diagram of a method for implementing call hold based on a Bluetooth call application and a mobile network according to a first embodiment of the present invention. The Bluetooth voice terminal MS is a dual-mode voice terminal, which has a Bluetooth module and a mobile network module, respectively used to support the connection to the mobile network and the Bluetooth piconet. In the context of the present invention, the bluetooth voice terminal MS can establish a mobile network call and a bluetooth call at the same time, that is, when one call is maintained, another call is made to realize mutual switching between the two calls. Of course only one call is active at a time.

In this method, the Bluetooth voice terminal MS communicates with the remote user A through the Bluetooth voice gateway S310. If the MS wants to talk with a certain mobile network terminal again, the MS puts the ongoing Bluetooth call on hold at U310. The MS initiates a call U320 with the mobile network terminal through its mobile network. When the MS wants to talk with the remote user A again, the MS will hold the call U330 with the mobile network terminal according to the call holding technology of the mobile network to which it belongs. At the same time, the MS connects to the held Bluetooth call U340. And when the MS wants to talk with the mobile network terminal instead, the MS puts the call hold U350 on the Bluetooth call again; and the MS activates the held call with the mobile network terminal U360 according to the call hold technology of the mobile network, so analogy. Repeat the above steps to switch between the mobile network call and the Bluetooth call; when the MS ends the call with the remote user A and the mobile network terminal, the MS hangs up the Bluetooth call and the mobile network call U380 and U390 respectively.

Fig. 2 is a step diagram of a method for implementing call holding based on a Bluetooth call application and a mobile network according to a second embodiment of the present invention. Here, the difference from FIG. 3 is that the Bluetooth voice terminal MS first connects to the call with the mobile network terminal S410. In this way, when the MS wishes to make a Bluetooth call, the MS performs a hold operation U410 on the mobile network call according to the call hold technology of the mobile network to which it is connected. At the same time, the MS connects to the Bluetooth call U420 through the Bluetooth voice gateway. When the MS wants to make the mobile network call again, the MS holds the Bluetooth call U430 and activates the held mobile network call U440. Repeat the above steps to switch between mobile network calls and Bluetooth calls. When the MS wishes to end the mobile network call and the Bluetooth call, the MS hangs up the Bluetooth call and the mobile network call U470, U480.

Fig. 3 is a message flow diagram of a method for implementing a three-party call based on a Bluetooth call application and a mobile network according to an embodiment of the present invention. The Bluetooth voice terminal device can respectively establish a mobile network call and a Bluetooth call, and realize a three-party call between the two calls by connecting the voice channels of the two calls.

The bluetooth voice terminal MS conducts a bluetooth call with the remote user A through the bluetooth voice gateway S510. The MS puts the call on hold U510 for the Bluetooth call. The MS connects to the call U520 with the remote user B through the mobile network. Afterwards, the MS connects to the held Bluetooth call U530. The MS connects to the voice channels of the three parties, and conducts a three-party conversation between the MS, the remote user A and the remote user B U540. The MS needs to merge the two voice channels. When the MS wishes to end the Bluetooth call and the mobile network call, it hangs up the Bluetooth call with the remote user A and the mobile network call with the remote user B U550, U560 respectively.

Fig. 4 is a message flow diagram of a method for implementing a three-party call based on a Bluetooth call application and a mobile network according to another embodiment of the present invention. The Bluetooth voice terminal device can respectively establish a mobile network call and a Bluetooth call, and realize a three-party call between the two calls by merging two voice channels.

Here, the difference from the scheme in FIG. 3 is that the Bluetooth voice terminal MS first connects to the call with the remote user A through the mobile network S610. Afterwards, the MS performs a hold operation U610 on the mobile network call; and the MS puts through the Bluetooth call with the remote user B through the Bluetooth voice gateway U620. Then, the MS activates the held mobile network call U630; and the MS connects to the voice channel of the three parties, and conducts the three-party call U640 between the MS, the remote user A and the remote user B. When the MS wants to end the Bluetooth call and the mobile network call, the MS hangs up the Bluetooth call with the remote user A and the mobile network call with the remote user B U650 and U660 respectively.

The connection is by connecting the output end of the voice channel of the bluetooth module and the voice output end of the mobile communication module to the voice output device of the bluetooth voice terminal equipment respectively, and connecting the voice input equipment of the bluetooth voice terminal equipment to the bluetooth voice terminal equipment respectively The input end of the voice channel of the module and the voice input end of the mobile communication module, at the same time output the voice of the mobile communication module to the input end of the voice channel of the Bluetooth module, and output the voice of the voice channel of the Bluetooth module to the voice input end of the mobile communication module. of.

Fig. 5 is a message diagram of a method for maintaining a Bluetooth call through a Bluetooth voice gateway. The bluetooth voice terminal MS sends a signaling to the bluetooth voice gateway, indicating that the MS will hold the bluetooth call S710. Then, the Bluetooth voice terminal MS disconnects the voice channel with the Bluetooth voice gateway S720. The Bluetooth voice gateway maintains the call with the remote user A S730.

FIG. 6 is a message diagram of another method for maintaining a Bluetooth call through a Bluetooth voice gateway. The bluetooth voice terminal MS sends a signaling to the bluetooth voice gateway, indicating that the MS will hold the bluetooth call S810. Then, the MS initiates to disconnect the Bluetooth call control connection and the Bluetooth voice channel between the MS and the Bluetooth voice gateway S820. The Bluetooth voice gateway maintains the call with the remote user A S830.

FIG. 7 is a message flow diagram of a method for resuming a Bluetooth call on hold using the method in FIG. 5 . The Bluetooth voice terminal MS sends a signaling to the Bluetooth voice gateway, indicating that the MS will resume the conversation held by the Bluetooth gateway. The voice channel is resumed through the maintained Bluetooth control connection S910, and then the Bluetooth voice gateway resumes the conversation with the remote user A S920.

FIG. 8 is a message flow diagram of a method for resuming a Bluetooth call on hold using the method in FIG. 6 . The Bluetooth voice terminal MS sends signaling to the Bluetooth voice gateway, indicating that the MS will resume the call held by the Bluetooth gateway S1010, and then establishes a call control connection and a Bluetooth voice channel between the MS and the Bluetooth voice gateway S1020.

While the present invention has been shown and described with reference to embodiments, it will be understood by those skilled in the art that changes in form and details may be made without departing from the spirit and scope of the invention as defined in the appended claims. kind of change.

Claims (6)

1. A method for carrying out a three-way call in a bluetooth voice terminal device based on bluetooth call and mobile network call hold; The call is characterized in that the method includes: (a) firstly, the Bluetooth voice terminal device establishes a Bluetooth call with the first remote user; (b) When the Bluetooth voice terminal device wishes to establish a mobile network call with the second remote user, the Bluetooth voice terminal device sends signaling to the Bluetooth voice gateway, indicating that the Bluetooth voice terminal device will communicate with the remote user. The call is put on hold, and the Bluetooth voice gateway holds the established bluetooth call with the first remote user according to the signaling, and establishes the mobile network call; (c) After the Bluetooth call and the mobile network call have been established, the Bluetooth voice terminal device activates the Bluetooth call in the call hold state and connects the established voice channel of the Bluetooth call and the mobile network call , so as to conduct a three-party call between the Bluetooth voice terminal device, the first remote user and the second remote user. 2. The method according to claim 1, wherein the step of holding the call for the Bluetooth call comprises that the Bluetooth voice terminal device only disconnects the voice channel with the Bluetooth voice gateway without cutting off the call control connection. 3. The method according to claim 1, wherein the step of holding the Bluetooth call includes disconnecting the call control connection between the Bluetooth voice terminal device and the Bluetooth voice gateway together with the voice channel. 4. The method according to claim 2, wherein the step of activating the Bluetooth call comprises: (a) The Bluetooth voice terminal device sends signaling to the Bluetooth voice gateway, indicating that the Bluetooth voice terminal device will resume the Bluetooth call held by the Bluetooth voice gateway; (b) The Bluetooth voice terminal device is connected to the voice channel of the Bluetooth voice gateway; (c) The Bluetooth voice gateway connects the voice channel of the Bluetooth call with the remote user. 5. The method according to claim 3, wherein the step of activating the Bluetooth call comprises: (a) The Bluetooth voice terminal device sends signaling to the Bluetooth voice gateway, indicating that the Bluetooth voice terminal device will resume the Bluetooth call held by the Bluetooth gateway; (b) Establishing a Bluetooth call control connection including a Bluetooth voice channel between the Bluetooth voice terminal device and the Bluetooth voice gateway; (c) The Bluetooth voice gateway connects the voice channel of the Bluetooth call with the remote user. 6. The method according to claim 1, wherein the connecting step comprises: respectively connecting the input and output terminals of the voice input device and the voice output device of the Bluetooth voice terminal device with the mobile communication module and the Bluetooth module , and connect the input and output terminals of the mobile communication module and the output and input terminals of the Bluetooth communication module accordingly.

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