WO2006116936A1

WO2006116936A1 - Method for call holding and three way call based on bluetooth call and mobile network call

Info

Publication number: WO2006116936A1
Application number: PCT/CN2006/000867
Authority: WO
Inventors: Fei Xu; Tai Hu
Original assignee: Ivt (Beijing) Software Technology Inc.
Priority date: 2005-04-29
Filing date: 2006-04-29
Publication date: 2006-11-09
Also published as: CN1855972B; ZA200710246B; CN1855972A; BRPI0609914A2

Abstract

A method for call holding and three way call based on a bluetooth call and a mobile network call includes: a bluetooth voice terminal regulates correspondingly a call control connection with a bluetooth voice gateway, and utilizes call holding function of mobile network, thus a mutual free switch is realized between a bluetooth call and a mobile network call. In the bluetooth voice terminal, the bluetooth voice channel and the mobile network call voice channel are connected together, three way call function is realized between the bluetooth voice terminal device, the remote subscriber in external network connected with bluetooth voice gateway and mobile network user.

Description

Method for Bluetooth call and mobile network call call hold and three-party call

The present invention relates to Bluetooth communication technology, and more particularly to Bluetooth call and mobile network call call hold techniques. technical background

Bluetooth is a short-range wireless communication technology that works in the 2. GHz Industrial Technology (ISM) band _. The basic network structure of Bluetooth is a piconet consisting of one master device and up to seven slave devices. The master device and the slave device communicate by means of time division multiple access (TDMA). With Bluetooth technology, devices can be connected in a cost-effective manner. The Special Interest Group for Bluetooth (S IG) is a civil society organization that develops and directs Bluetooth specifications and applications. According to the Bluetooth cordless phone application model developed 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 device (TL) is the wireless user terminal via Bluetooth wireless link and Bluetooth The gateway is connected. In this application model, the gateway is a master device (mas ter ), which can provide connections for seven user terminal slave devices ( s lave ) at the same time. The Bluetooth terminal can answer external calls through the Bluetooth gateway or external/remote users of the external network connected to the gateway through the gateway.

Currently, Bluetooth voice terminal devices can make Bluetooth calls through the Bluetooth voice gateway, or they can answer and make calls through the mobile network as an ordinary mobile phone. However, the current Bluetooth voice terminal device can only support one of the call modes at the same time, and cannot combine the two modes of the call into one call, that is, the function of the three-party call. This is inconvenient for the user's use. Summary of the invention

The primary object of the present invention is to provide a method for supporting a Bluetooth voice terminal device for call hold and three-way call between a Bluetooth call and a mobile network call. The invention controls and adjusts the Bluetooth call between the Bluetooth voice gateway through the Bluetooth voice terminal device and uses 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 device On Bluetooth The voice channel of the voice channel and the mobile network call are connected to realize a three-party calling function between the Bluetooth voice terminal device user, the remote user of the fixed network connected by the Bluetooth voice gateway, and the remote user connected to the mobile network. The mobile network may be a GSM, CDMA or 3G network.

The method includes:

(a) On a Bluetooth voice terminal device, it is desirable to establish a Cordos s Telephony Prof. (CTP) or Bluetooth Headset Profession (HSP) or Bluetooth Car Handsfree (Hands ree Prof i le (HFP for short) is a call control connection with the Bluetooth voice gateway to make a Bluetooth call with the remote user, and also wants to establish a mobile network call on the Bluetooth voice terminal device. The Bluetooth voice terminal device can perform call hold or call recovery on the mobile network call by utilizing the call hold technology of the mobile network, and can also communicate with the Bluetooth voice gateway to realize call hold and call recovery of the Bluetooth call. In this way, the Bluetooth voice terminal device can simultaneously perform mobile network communication and Bluetooth call, and switch between two calls.

(b) When making a Bluetooth call and a mobile network call on a Bluetooth voice terminal device, the mobile phone call remote channel user and Bluetooth 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 of Bluetooth call holding 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 perform call hold and call recovery. On this basis, the method of disconnecting the Bluetooth voice channel can be disconnected 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 in Bluetooth. The voice gateway maintains the call of the Bluetooth call without interrupting the call with the remote user. When the Bluetooth voice terminal device attempts to resume the Bluetooth call, the corresponding Bluetooth call control connection and the Bluetooth voice channel can be established according to the method used for the call hold or only the Bluetooth voice channel can be established to resume the call.

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

Since the Bluetooth call and the mobile network call can be simultaneously performed, and the two-way call can be switched to each other freely, or the two-way call is connected to realize the three-way call, the user is very convenient to use, and the Bluetooth voice terminal device is expanded. application. DRAWINGS

The objects and advantages of the invention will be apparent from the description of the embodiments of the invention. among them:

1 is a sequence 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;

2 is a flow chart showing a method for implementing call hold based on a Bluetooth call application and a mobile network according to a second embodiment of the present invention;

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;

5 is a message diagram of a method for performing Bluetooth call hold by not disconnecting a call control connection between a Bluetooth voice terminal device and a Bluetooth voice gateway;

6 is a message diagram of a method for performing Bluetooth call hold by cutting off a call control connection between a Bluetooth voice terminal device and a Bluetooth voice gateway;

7 is a message flow diagram of a Bluetooth voice terminal device MS recovering an original Bluetooth call by connecting to a voice channel of a Bluetooth voice gateway;

FIG. 8 is a message flow diagram of a Bluetooth voice terminal device MS resuming an original Bluetooth call by connecting a call control connection with a Bluetooth voice gateway. detailed description

1 is a Bluetooth-based call application and mobile network according to a first embodiment of the present invention A step diagram of an implementation method of a network call hold. The Bluetooth voice terminal device MS is a dual-mode voice terminal device having a Bluetooth module and a mobile network module for supporting connections to the mobile network and the Bluetooth piconet, respectively. In the context of the present invention, the Bluetooth voice terminal device MS can simultaneously establish a mobile network call and a Bluetooth call, that is, in the case of maintaining one of the calls, another call is made to realize the mutual switching of the two calls. Of course only one call is active at the same time.

In this method, the Bluetooth voice terminal device MS makes a Bluetooth call S 310 through the Bluetooth voice gateway and the remote user A. If the MS wishes to talk to a certain mobile network terminal, the MS makes a call hold to the ongoing Bluetooth call. The U310 _{o the} MS connects to the mobile network terminal by the mobile network to which it belongs. When the MS again wishes to talk to the remote user A, the MS maintains a call U330 with the mobile network terminal according to the call hold technology of the mobile network to which it belongs. At the same time, the MS turns on the Bluetooth call U340 in the hold. When the MS instead wants to talk to the mobile network terminal, the MS makes a call hold U350 for the Bluetooth call again; and the MS activates the held call U360 with the mobile network terminal according to the call hold technology of the mobile network. analogy. Repeating the above steps may be performed switching between the mobile network and the Bluetooth phone calls; and when the MS ends the call with the mobile network and a remote user terminal A, respectively, to hang up Bluetooth phone MS and the mobile network, then U380, U390 _o

2 is a sequence diagram showing a method for implementing call hold based on a Bluetooth call application and a mobile network according to a second embodiment of the present invention. Here, unlike in FIG. 3, the Bluetooth voice terminal device MS first turns on the call S410 with the mobile network terminal. Thus, when the MS wishes to make a Bluetooth call, the MS performs a hold operation on the mobile network call 410 according to the call hold technology of the mobile network to which it is connected. At the same time, the MS turns on the Bluetooth call U420 through the Bluetooth voice gateway. When the MS again wishes to make the mobile network call, the MS maintains the Bluetooth call ϋ 430 while activating the held mobile network call 440. Repeat the above steps to switch between mobile network calls and Bluetooth calls. When the MS wants to end the mobile network call and Bluetooth call, MS makes up the Bluetooth call and the mobile network call U470, U480 _o

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, in accordance with one embodiment of the present invention. The Bluetooth voice terminal device can establish a mobile network call and a Bluetooth call respectively, and realize a three-way call between two calls by connecting two voice channels. The Bluetooth voice terminal device MS performs a Bluetooth call S510 through the Bluetooth voice gateway and the remote user A. The MS makes a call to the Bluetooth call to hold the U510. The MS connects to the remote user B via the mobile network ϋ 520. After that, the MS turns on the Bluetooth call U530 in the hold. The MS connects to the three-party voice channel, and performs the three-way communication U540 of the MS, the remote user A, and the remote user B. The MS needs to merge the two voice channels. When the MS wants 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 550, U560 with the remote user B respectively.

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 still another embodiment of the present invention. The Bluetooth voice terminal device can establish a mobile network call and a Bluetooth call separately, and realize a three-way call between two calls by combining two voice channels.

Here, unlike the scheme in Fig. 3, the Bluetooth voice terminal device MS first turns on the call S610 with the remote user A through the mobile network. The MS then performs a hold operation on the mobile network call U610; and the MS connects to the Bluetooth call U620 of the remote user B through the Bluetooth voice gateway. Then, the MS activates the held mobile network call U630; and the MS connects the three-party voice channel to perform the three-party call ϋ 640 of 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 with the remote user B U650, ϋ 660, respectively.

The communication is performed 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 device, and respectively connecting the voice input device of the Bluetooth voice terminal device to the Bluetooth module. The input end of the voice channel and the voice input end of the mobile communication module simultaneously 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 Bluetooth module announcement channel to the voice input end of the mobile communication module. of.

Figure 5 is a message diagram of a method of maintaining a Bluetooth call through a Bluetooth voice gateway. The Bluetooth voice terminal device MS sends a signaling to the Bluetooth voice gateway, indicating that the MS keeps the call for the Bluetooth call to S710. Then, the Bluetooth voice terminal device MS disconnects the voice channel S 720 with the Bluetooth voice gateway. The Bluetooth voice gateway maintains a call with the remote user A S730.

Figure 6 is a message diagram of another method of maintaining a Bluetooth call through a Bluetooth voice gateway. The Bluetooth voice terminal device MS sends signaling to the Bluetooth voice gateway, indicating MS The call for the Bluetooth call is held at S810. Then, the MS initiates disconnection of the Bluetooth call control connection between the MS and the Bluetooth voice gateway and the Bluetooth voice channel S820. The Bluetooth voice gateway maintains a call S830 with the remote user A.

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

Figure 8 is a message flow diagram of a method of restoring a Bluetooth call using the method of Figure 6 for call hold. The Bluetooth voice terminal device MS sends a signaling to the Bluetooth voice gateway, indicating that the MS will resume the call S 1010 held by the Bluetooth gateway, and then establish a call control connection and a Bluetooth voice channel S1020 between the MS and the Bluetooth voice gateway.

While the invention has been shown and described with reference to the embodiments of the embodiments of the embodiments of the invention Kind of change.

Claims

Rights request

1. A method for making a mobile network call and a Bluetooth call in a Bluetooth voice terminal device based on a call of a Bluetooth call and a mobile network call, the Bluetooth voice terminal device having a Bluetooth module and a mobile communication module, respectively, for establishing a Bluetooth Call and mobile network call, characterized in that the method comprises:

(a) a Bluetooth voice terminal device establishes a call in a Bluetooth call and a mobile network call;

(b) when the Bluetooth voice terminal device wishes to establish another call of the two types of calls, it performs call hold on the established call and performs establishment of the other call;

(C) after the two types of calls have been established, the Bluetooth voice terminal device performs call hold between the ongoing call and then activates another call in the call hold state to perform between the two calls. Switch.

2. A method for making a three-party call in a Bluetooth voice terminal device based on a call of a Bluetooth call and a mobile network call, the Bluetooth voice terminal device having a Bluetooth module and a mobile communication module, respectively, for establishing a Bluetooth call and a mobile network The call is characterized in that the method comprises:

(a) first, the Bluetooth voice terminal device establishes a call with the first remote user, and the call is a call in the Bluetooth call and the mobile network call;

(b) when the Bluetooth voice terminal device wishes to establish another call between the two types of calls with the second remote user, it performs call hold on the established call and performs establishment of the other call;

(c) after both calls have been established, the Bluetooth voice terminal device activates the call in the call hold state and connects the voice channel of the established call to perform the Bluetooth voice terminal device, the first remote user, and A three-way call between the second remote users.

3. The method according to claim 1 or claim 2, the step of maintaining the call comprises a call holding step for a Bluetooth call, wherein the call holding step for 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 hold the call for the Bluetooth call with the remote user; (b) The Bluetooth voice terminal device only disconnects the voice channel with the Bluetooth voice gateway without disconnecting the call control connection;

(C) The Bluetooth voice gateway maintains a call with a remote user.

4. The method according to claim 1 or claim 2, the step of maintaining the call comprises a call holding step for a Bluetooth call, wherein the call holding step for 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 perform call hold for the Bluetooth call with the remote user;

(b) disconnecting the call control connection between the Bluetooth voice terminal device and the Bluetooth voice gateway together with the voice channel;

(c) The Bluetooth voice gateway maintains a call with the far-end user.

5. The method according to claim 3, the step of activating the call comprises the step of activating a Bluetooth call, 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 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 to the far-end user.

6. The method according to claim 4, the step of activating the call comprises the step of activating a Bluetooth call, 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 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;

The method according to claim 2, wherein the connecting step comprises: respectively connecting, respectively, the voice input device and the voice output device of the Bluetooth voice terminal device and the input and output ends of the mobile communication module and the Bluetooth module And correspondingly connecting the input and output ends of the mobile communication module and the output input end of the Bluetooth communication module.