WO2013029405A1

WO2013029405A1 - Circuit switch voice communication method performed by wireless mobile broadband access terminal，apparatus and system

Info

Publication number: WO2013029405A1
Application number: PCT/CN2012/076521
Authority: WO
Inventors: 王会彩; 任斌
Original assignee: 中兴通讯股份有限公司
Priority date: 2011-08-26
Filing date: 2012-06-06
Publication date: 2013-03-07
Also published as: CN102958103A

Abstract

A circuit switch (CS) voice communication method performed by a wireless mobile broadband access terminal，an apparatus and a system. The method comprises：when a trigger call signal is received, sending a call request to the wireless mobile broadband access terminal, in order to the access terminal calls a called party; or receiving the access terminal forwarded incoming message, and answering incoming calls based on user selection; collecting audio signal when the call is connectivity; encoding the collected audio signal into voice data; sending the voice data to the access terminal through the wireless network, so that the access terminal transmits the voice data to the called party.

Description

Method, device and system for completing CS voice communication by wireless mobile broadband access terminal

Technical field

The present invention relates to the field of communications, and in particular, to a method, device and system for completing a circuit switch (CS) voice communication by a wireless mobile broadband access terminal. Background technique

Wireless communication is undoubtedly the fastest growing part of the communication field. With the rapid development of mobile broadband networks and the popularity of intelligent terminals, the growth of wireless communication has gradually shifted from simple data services to mobile Internet models with broadband multimedia services as the core. . On this basis, portable wireless mobile broadband access terminals supporting mobile broadband networks are rapidly spreading. This type of portable access terminal uplink access operator's wireless mobile broadband, downlink provides Wi-Fi coverage, and personal computers (PCs) and mobile phones can be accessed through their own Wi-Fi clients. Small in size and battery life. As shown in Figure 1, at present, there are many types of access terminals in the market, but due to the limitation of volume, the digital dialing keyboard and the handset cannot be designed in its structure. Therefore, the CS voice service is supported by the RG11 interface external fixed telephone 2 The CS voice service is implemented by the fixed telephone 2 and the terminal 4. The dependence on the external fixed telephone 2 greatly affects its portability and limits the support of CS voice services for such products. Summary of the invention

The main purpose of the embodiments of the present invention is to provide a method, device, and system for completing a CS voice communication by a wireless mobile broadband access terminal, and implementing support for a CS voice service by a portable access terminal.

The embodiment of the invention provides a method for a wireless mobile broadband access terminal to complete CS voice communication, including:

When the user terminal establishes a connection with the communication peer through the access terminal, the user terminal collects the audio frequency signal and encodes the voice data into voice data;

Transmitting, by the user terminal, the voice data to the access terminal by using a wireless network; and the access terminal sends the voice data to the communication peer end by using a wireless mobile broadband. Optionally, the foregoing method further includes:

The access terminal sends the received voice data of the communication peer end to the user terminal through the wireless network;

The user terminal decodes the voice data and plays.

Optionally, the step of the user terminal sending voice data to the access terminal by using a wireless network includes:

Encapsulating the voice data into a message conforming to a wireless network transmission protocol;

Sending the message to the access terminal.

Optionally, the step of the access terminal sending the voice data to the communication peer end by using the wireless mobile broadband includes:

The access terminal decapsulates the packet to extract the voice data;

The extracted voice data is transmitted to the communication peer through the wireless mobile broadband.

Optionally, the user terminal includes a PC.

Optionally, the wireless network is a wireless local area network.

An embodiment of the present invention further provides a user terminal, including:

The audio collection module is configured to: when the user terminal establishes a connection with the communication peer through the access terminal, collecting the audio signal;

An audio codec module, configured to: encode the audio signal collected by the audio collection module into voice data;

And a network transmission module, configured to: send the voice data to the access terminal by using a wireless network, so that the access terminal sends the voice data to the communication peer end by using a wireless mobile broadband.

Optionally, the network transmission module is further configured to receive voice data of the communication peer end that is sent by the access terminal by using the wireless network;

The user terminal further includes an audio play module, and the audio codec module is further configured to: after the voice data of the communication peer is decoded, play by the audio play module.

Optionally, the user terminal includes a PC. Optionally, the wireless network is a wireless local area network.

An embodiment of the present invention further provides an access terminal, including:

a network module, configured to: when the user terminal establishes a connection with the communication peer through the access terminal, receive voice data sent by the user terminal through a wireless network;

A wireless communication protocol control module is arranged to transmit the voice data to the communication peer via a wireless mobile broadband.

Optionally, the wireless communication protocol control module is further configured to receive voice data of the communication peer end;

The network module is further configured to send the voice data of the communication peer received by the wireless communication protocol control module to the user terminal through the wireless network.

Optionally, the user terminal includes a PC.

Optionally, the wireless network is a wireless local area network.

The embodiment of the present invention further provides a system for a wireless mobile broadband access terminal to complete CS voice communication, which includes the user terminal and the access terminal as described above.

A method, device, and system for implementing a wireless mobile broadband access terminal to complete CS voice according to an embodiment of the present invention, fully utilizing multimedia functions of a terminal such as a PC or a mobile phone, and coverage of a downlink wireless network such as Wi-Fi of an access terminal, Complete support for CS voice services by portable access terminals. In order to achieve the above functions, the embodiment of the present invention utilizes a wireless network between a PC and an access terminal, and uses a multimedia transmission protocol supporting a TCP/IP network, including but not limited to the RTP protocol, for voice data transmission, without external fixation. The phone can realize CS voice communication function through the telephone management software. BRIEF abstract

1 is a system architecture diagram of a wireless mobile broadband access terminal completing CS voice in the prior art; FIG. 2 is a system architecture diagram of an embodiment of a method for a wireless mobile broadband access terminal to complete CS voice according to the present invention;

FIG. 3 is a flow chart of a method for completing a CS voice by a wireless mobile broadband access terminal according to the present invention; Schematic diagram

4 is a schematic structural diagram of an embodiment of a system for completing a CS voice by a wireless mobile broadband access terminal according to the present invention;

FIG. 5 is a schematic structural diagram of a PC connected to a wireless mobile broadband access terminal according to an embodiment of the present invention;

6 is a schematic structural diagram of an access terminal in an embodiment of a system for completing a CS voice by a wireless mobile broadband access terminal according to the present invention.

Preferred embodiment of the invention

It is understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Referring to FIG. 2 and FIG. 3, an embodiment of a method for implementing a wireless mobile broadband access terminal to complete CS voice is provided. FIG. 1 is a system architecture diagram of the present embodiment. This embodiment is based on the following conditions:

(1) At present, almost all user terminals such as PC5 and mobile phones support multimedia functions and have audio collection and playback functions. Therefore, the audio devices on such terminals can be used to complete the access terminal 3 support for CS voice services. The following is a description of the PC5 as an example, but the embodiment is also suitable for other terminals having an audio collection and playback function and being able to establish a connection with the access terminal 3.

(2) The access terminal 3 is an access terminal 3 of the wireless mobile broadband network of the communication carrier, and has a circuit domain voice link function of the CS domain, which can complete the CS voice service of the device to the operator site.

(3) TCP/IP-based wireless transmission between PC5 and access terminal 3, such as Wifi, can carry the transmission of the multimedia transmission protocol supporting TCP/IP network, preferably transmitted by Wifi network, or other wireless network. (including wireless LAN and wireless wide area network) for transmission, the transmission protocol includes but is not limited to RTP, the following RTP is described as an example, but not limited to the RTP protocol.

The PC 5 of this embodiment includes a telephone management software, an audio codec module, an audio collection module, an audio playback module, and a network transmission module. The telephone management software is responsible for dialing the user, answering the call, hanging up the phone, dialing twice, and controlling the audio codec module and the network transmission module. The audio codec module is responsible for converting the audio data collected by the audio collection module into pulse code modulation (Pulse-code) Modulation, PCM) data, and convert the received PCM data into playable audio data to the audio playback module. The audio collection module is responsible for collecting audio. The audio playback module is responsible for playing the audio. The network transmission module is responsible for data interaction with the access terminal through a wireless transmission method including Wifi.

The access terminal 3 of this embodiment includes a wireless communication protocol control module and a network module. The wireless communication protocol control module is responsible for data communication with the wireless mobile broadband, including responding to the dialing request sent by the PC5's telephone management software, initiating dialing to the network side; and notifying the network side of the incoming call message to the PC5's telephone management software, and also to the network The voice data is transmitted on the side. The network module is responsible for data interaction with the PC5 through wireless transmission including Wifi, including encapsulation, decapsulation of voice data, and signaling data transmission with the PC.

FIG. 3 is a flowchart of the embodiment. In this embodiment, the Wifi transmission is taken as an example, and the following steps are included: Step S101: Installing the access terminal 3 to drive, and installing the embedded telephone management software on the PC 5, The software is responsible for dial management and monitoring of incoming calls;

Step S102: Making a call. The user inputs the telephone number through the telephone management software in the PC5, and then determines the dialing. The telephone management software is responsible for transmitting the dialing information to the access terminal 3 through the Wifi, and the access terminal 3 is further processed and sent to the called party through the wireless mobile broadband, and Return the PC5 dialing result;

Step S103: If the received call message is received, the call is answered, and the call is established;

Step S104: After the call is established, the telephone management software triggers audio collection and encoding, and the PC5 collects the audio data, and then performs PCM encoding on the collected audio data to become a PCM data stream, and the PC5 encapsulates the PCM data stream into an RTP report. Text, and sent to the access terminal 3 through Wifi;

Step S105: After receiving the RTP packet sent by the PC5, the access terminal 3 decapsulates the RTP packet, extracts the PCM data stream, and sends the PCM data stream to the called party through the wireless mobile broadband according to a certain timing;

Step S106: During the call, the access terminal 3 also receives the voice data transmitted by the called party through the wireless mobile broadband, and the access terminal 3 packages and encapsulates the voice data in the RTP message according to a certain timing, and sends the voice data to the RTP message. PC5.

Step S107: After receiving the RTP message carrying the voice data sent by the access terminal 3, the PC5 will RTP. The packet is decapsulated, and the voice data is extracted, and after being decoded, it is put into the receiving queue.

Step S108: The audio playing module in the PC5 extracts the decoded voice data from the receiving queue according to a certain time interval, and plays the same. After the call is completed, the user can hang up the phone through the PC5's phone management software. The control message for hanging up the phone is sent by the network transmission module of PC5 to the access terminal 3 to notify the hang up call.

Similarly, under normal circumstances, the network transmission module of the PC 5 can listen to the control message of the access terminal 3 at any time. When the wireless protocol processing module of the access terminal 3 receives the incoming call message, the access terminal 3 transmits the message to the PC 5. The telephone management software, the telephone management software prompts the user to have an incoming call. After the user answers the call, the voice data transmission is started, and the method of delivery is the same as the method of making a call.

In this embodiment, the multimedia function of the terminal such as the PC5 and the mobile phone and the access terminal 3 are fully utilized.

Wi-Fi coverage, complete support for CS voice services in portable access terminals. In order to achieve the above functions, the embodiment of the present invention utilizes a Wi-Fi network between the PC 5 and the access terminal 3, and uses a multimedia transmission protocol supporting the TCP/IP network, including but not limited to the RTP protocol, for voice data transmission. The external fixed telephone can realize the CS voice communication function through the telephone management software.

Referring to FIG. 4, a system for implementing a wireless mobile broadband access terminal to complete CS voice includes a PC 100 and an access terminal 200, where

The PC 100 is configured to: when the access terminal 200 establishes a link with the opposite end, collect the audio signal and encode the voice data; and send the voice data to the access terminal 200 through the wireless network;

The access terminal 200 is configured to send the voice data to the peer through the wireless mobile broadband.

Referring to FIG. 5, the PC 100 includes:

The telephone management module 10 is configured to, when receiving the signal triggering the call, send a call request to the wireless mobile broadband access terminal 200, so that the access terminal 200 calls the called party; or receive the incoming call message forwarded by the access terminal 200 And answering the call according to the user's choice;

The audio collection module 20 is configured to collect audio signals when establishing a link with the opposite end through the access terminal 200; The audio codec module 30 is configured to encode the collected audio signal into voice data; the network transmission module 40 is configured to send the voice data to the access terminal 200 through a wireless network, so that the access terminal 200 moves through the wireless The broadband sends the voice data to the peer end; the audio play module 50 is configured to play the voice data decoded by the audio codec module 30. The telephone management module 10 is responsible for dialing the user, answering the call, hanging up the phone, dialing twice, and controlling the audio codec module 30 and the network transmission module 40. The audio codec module is responsible for converting the audio data collected by the audio collection module 20 into PCM data, and converting the received PCM data into playable audio data to the audio playback module 50. The audio collection module 20 is responsible for collecting audio. The audio playback module 50 is responsible for playing audio. The network transmission module 40 is responsible for data interaction with the access terminal through a wireless transmission method including Wifi.

Referring to Figure 6, the access terminal 200 includes:

The network module 80 is configured to: when the PC establishes a link with the peer end by using the access terminal, receive voice data sent by the PC through the wireless network;

The wireless communication protocol control module 60 is configured to send the voice data to the called party via the wireless mobile broadband.

The wireless communication protocol control module 60 is responsible for data communication with the wireless mobile broadband, including responding to the dialing request sent by the telephone management module 10 of the PC 100, and initiating dialing to the network side; and notifying the telephone management module 10 of the PC 100 of the incoming call message of the network side. At the same time, voice intercommunication is also transmitted to the network side, including encapsulation, decapsulation and signaling data transmission of voice data.

In this embodiment, the Wifi transmission is taken as an example, and the working principle of the system for implementing the CS voice of the wireless mobile broadband access terminal is as follows:

The telephone management module 10 can be implemented by the telephone management software. When the access terminal 200 is installed, the embedded telephone management software is installed on the PC 100, and the software is responsible for dial management and monitoring of incoming calls;

When the telephone management module 10 receives the request to trigger the call, it starts to make a call. The user inputs the telephone number through the telephone management software in the PC 100, and then determines the dialing. The telephone management software is responsible for transmitting the dialing information to the network module 80 of the access terminal 200 via the Wifi, and the network module 80 goes through further steps. After being sent to the called party through the wireless communication protocol control module 60, and returning to the PC 100 to dial the result; the telephone management module 10 receives the call-through message, answers the call, establishes a call; after the call is established, the call management module 10 triggers Audio collection and encoding, the audio collection module 20 of the PC 100 collects audio signals, and the audio coding module 30 PCM-encodes the collected audio signals by the audio codec module 30 to become a PCM data stream. The transmission module 40 encapsulates the PCM data stream into an RTP message, and sends it to the access terminal 200 through the Wifi;

After receiving the RTP message sent by the PC 100, the network module 80 of the access terminal 200 unpacks the RTP message and extracts the PCM data stream, and the wireless communication protocol control module 60 passes the PCM data stream through the wireless mobile broadband according to a certain timing. Sent to the called party;

During the call, the access terminal 200 also receives the voice data transmitted by the called party through the wireless mobile broadband. The access terminal 200 packs and encapsulates the voice data in the RTP message according to a certain timing, and the network module 80 sends the voice data to the RTP message. PC 100.

After receiving the RTP message carrying the voice data sent by the access terminal 200, the network transmission module 40 of the PC 100 extracts the voice data, decodes it by the audio codec module 30, and puts it into the receiving queue.

The audio playing module 50 extracts the decoded voice data from the receiving queue at a certain time interval and plays it. After the call is completed, the user can hang up the call through the telephone management module 10 of the PC 100, and the control message for hanging up the call is sent by the network transmission module 40 of the PC 100 to the access terminal 200 to notify the hang up call.

Similarly, under normal circumstances, the network transmission module 40 of the PC 100 can listen to the control message of the access terminal 200 at any time. When the wireless communication protocol control module 60 of the access terminal 200 receives the incoming call message, the access terminal 200 transmits the message to the PC. The telephone management module 10 of the machine 100, the telephone management module 10 prompts the user to have an incoming call. After the user answers the call, the voice data transmission is started, and the method of delivery is the same as the method of making a call.

In this embodiment, the multimedia function of the terminal such as the PC 100 and the mobile phone and the coverage of the downlink Wi-Fi of the access terminal 200 are fully utilized to complete the support of the CS voice service by the portable access terminal 200. In order to achieve the above functions, the embodiment of the present invention utilizes a Wi-Fi network between the PC 100 and the access terminal 200, and uses a multimedia transmission protocol supporting the TCP/IP network, including but not limited to the RTP protocol, for voice data transmission. CS voice communication function can be realized by telephone management software without external fixed telephone. The above description is only the preferred embodiment of the present invention, and is not intended to limit the scope of the invention, and the equivalent structure or equivalent flow transformation made by the specification and the drawings of the present invention may be directly or indirectly applied to other related The technical field is equally included in the scope of patent protection of the present invention.

Industrial applicability

The method, device and system for completing a CS voice communication by a wireless mobile broadband access terminal provided by an embodiment of the present invention, fully utilizing the multimedia function of a user terminal such as a PC or a mobile phone, and the coverage of a downlink wireless network of the access terminal, such as Wi-Fi, to complete the portable Access terminal support for CS voice services. To achieve the above functions, the present invention utilizes a wireless network between a PC and an access terminal, and uses a multimedia transmission protocol supporting a TCP/IP network, including but not limited to the RTP protocol, for voice data transmission, without requiring an external fixed telephone, The telephone management software can realize the CS voice communication function.

Claims

Claim

A method for a wireless mobile broadband access terminal to perform circuit switched (CS) voice communication, comprising:

Transmitting, by the user terminal, the voice data to the access terminal by using a wireless network; and the access terminal sends the voice data to the communication peer end by using a wireless mobile broadband.

2. The method of claim 1 further comprising:

The user terminal decodes the voice data and plays.

3. The method according to claim 1 or 2, wherein the step of the user terminal transmitting voice data to the access terminal over a wireless network comprises:

Sending the message to the access terminal.

4. The method according to claim 3, wherein the step of the access terminal transmitting the voice data to the communication peer end through the wireless mobile broadband comprises:

The access terminal decapsulates the packet to extract the voice data;

5. The method of claims 1-4, wherein the user terminal comprises a personal computer

(PC).

6. The method of claim 5, wherein the wireless network is a wireless local area network.

7. A user terminal, comprising:

An audio codec module, configured to: encode an audio signal collected by the audio collection module Voice data; and

The user terminal according to claim 7, wherein the network transmission module is further configured to receive voice data of the communication peer end that is sent by the access terminal by using the wireless network;

The user terminal according to claim 7 or 8, wherein the user terminal comprises a personal computer (PC).

10. The user terminal according to claim 9, wherein the wireless network is a wireless local area network.

11. An access terminal, comprising:

12. The access terminal of claim 11, wherein

The wireless communication protocol control module is further configured to receive the voice data of the communication peer end; the network module is further configured to send the voice data of the communication peer end received by the wireless communication protocol control module through the wireless network To the user terminal.

The access terminal according to claim 11 or 12, wherein the user terminal comprises a personal computer (PC).

14. The access terminal of claim 13, wherein the wireless network is a wireless local area network.

A system for completing a CS voice communication by a wireless mobile broadband access terminal, comprising the user terminal according to any one of claims 7 to 10 and the access terminal according to any one of claims 11-14.