WO2012113186A1 - Procédé et système de réalisation pour services vocaux - Google Patents

Procédé et système de réalisation pour services vocaux Download PDF

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Publication number
WO2012113186A1
WO2012113186A1 PCT/CN2011/075448 CN2011075448W WO2012113186A1 WO 2012113186 A1 WO2012113186 A1 WO 2012113186A1 CN 2011075448 W CN2011075448 W CN 2011075448W WO 2012113186 A1 WO2012113186 A1 WO 2012113186A1
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WO
WIPO (PCT)
Prior art keywords
voice
signal
wifi
digital
call
Prior art date
Application number
PCT/CN2011/075448
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English (en)
Chinese (zh)
Inventor
徐金禄
袁爱国
王凯
朱大龙
Original Assignee
中兴通讯股份有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
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Application filed by 中兴通讯股份有限公司 filed Critical 中兴通讯股份有限公司
Publication of WO2012113186A1 publication Critical patent/WO2012113186A1/fr

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/10—Connection setup
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/0005—Control or signalling for completing the hand-off
    • H04W36/0011—Control or signalling for completing the hand-off for data sessions of end-to-end connection
    • H04W36/0022—Control or signalling for completing the hand-off for data sessions of end-to-end connection for transferring data sessions between adjacent core network technologies
    • H04W36/00224—Control or signalling for completing the hand-off for data sessions of end-to-end connection for transferring data sessions between adjacent core network technologies between packet switched [PS] and circuit switched [CS] network technologies, e.g. circuit switched fallback [CSFB]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W84/00—Network topologies
    • H04W84/02—Hierarchically pre-organised networks, e.g. paging networks, cellular networks, WLAN [Wireless Local Area Network] or WLL [Wireless Local Loop]
    • H04W84/10—Small scale networks; Flat hierarchical networks
    • H04W84/12—WLAN [Wireless Local Area Networks]

Definitions

  • the present invention relates to the field of communications, and in particular, to a method and system for implementing a voice service.
  • 3G terminals are becoming more and more popular. Especially for traditional fixed network communication, 3G network speed has surpassed the bandwidth of traditional home fixed network. While the revenue of 3G operators has shifted from traditional voice services to data services, the tariffs for data services have also dropped significantly to attract more users to use data services. At the same time, fixed-line operators and mobile operators have different tricks in attracting users of data services.
  • 3G mobile terminals such as mobile phones
  • WIFI Wireless Compatibility Authentication
  • the traditional 3G mobile phone routing method is that the mobile phone performs data connection in the mobile network, and forwards the data of the mobile network to the computer or other digital terminal with WIFI function through its own WIFI route, and the user passes the digital terminal with WIFI function.
  • the WIFI to mobile phone WIFI route completes the normal Internet access function, but if the mobile phone is required to use the voice function at the same time in this process, then the mobile phone is required, which has an impact on the mobile phone's route sharing, and the user needs to simultaneously access the Internet and make a voice call. In the case of the mobile phone's WIFI and mobile communication, the radiation will have a greater impact.
  • the object of the present invention is to provide a method and system for implementing a voice service to solve the problem that when a digital terminal connects to a network through a WIFI route of a mobile terminal, the use of the mobile terminal for voice service affects the user experience.
  • the present invention provides a method for implementing a voice service, including: During the voice service, the mobile terminal sends a voice signal of the opposite end of the call received from the wireless network to the digital terminal through the WIFI voice path, and the digital terminal plays the voice signal of the opposite end of the call, and The digital terminal sends the voice signal of the user to the mobile terminal through the WIFI voice path, and the mobile terminal sends the voice signal of the user to the call peer end through the wireless network.
  • the step of the mobile terminal transmitting the voice signal of the call end received from the wireless network to the digital terminal through the WIFI voice path includes:
  • the mobile terminal After receiving the voice signal of the opposite end of the call from the wireless network, the mobile terminal converts the received voice signal from an analog signal to a digital signal, encodes the digital signal and encapsulates the voice signal into a voice data packet, and sends the voice signal through the WIFI voice path. Giving the digital terminal;
  • the step of playing the voice signal of the call end by the digital terminal comprises: receiving, by the digital terminal, a voice data packet sent by the mobile terminal, and decoding, and converting the decoded voice signal from a digital signal to a simulation Signal, play.
  • the step of the digital terminal transmitting the voice signal of the user to the mobile terminal through a WIFI voice path includes:
  • the digital terminal receives the voice signal of the user, converts the received voice signal from an analog signal to a digital signal, encodes the digital signal and encapsulates the voice signal into a voice data packet, and sends the voice signal to the mobile terminal through a WIFI voice path. ;
  • the step of transmitting, by the mobile terminal, the voice signal of the user to the opposite end of the call by using the wireless network includes: receiving, by the mobile terminal, a voice data packet sent by the digital terminal, and decoding, and decoding the decoded voice signal from the digital After the signal is converted into an analog signal, it is converted into a wireless signal and sent to the opposite end of the call through the wireless network.
  • the above methods also include:
  • the hang up message is passed
  • the WIFI voice path is sent to the mobile terminal, the mobile terminal performs the hang up process, and ends the call; if the mobile terminal receives the information that the call end hangs up the call, the hang up process is executed, the call is terminated, and The hang up message is sent to the digital terminal through a WIFI voice path, the number The terminal prompts the user to end the call.
  • the above methods also include:
  • the mobile terminal sends the received incoming call message sent by the opposite end of the call to the digital terminal, and the digital terminal prompts the user to have an incoming call;
  • the voice service is performed; if the digital terminal receives the information that the user selects to reject, the hang up message is sent to the mobile terminal, and the mobile terminal Perform the hang up process and end the call.
  • the above methods also include:
  • the mobile terminal When the digital terminal receives the dialing request from the user to the mobile terminal, the mobile terminal sends a call request to the opposite end of the call through the wireless network;
  • the voice service is performed; if the mobile terminal receives the information that the call peer selects the rejection, the mobile terminal performs the hang up process, ends the call, and Sending a hang up message to the digital terminal, the digital terminal prompting the user to end the call.
  • the present invention also provides a voice service implementation system, including a digital terminal and a mobile terminal, where the digital terminal is connected to the wireless network through a WIFI route of the mobile terminal, where
  • the mobile terminal is configured to: when performing a voice service, send a voice signal of a call end received from the wireless network to the digital terminal through a WIFI voice path, and receive a voice of the user sent by the digital terminal through the WIFI voice path Signal and sent to the opposite end of the call through a wireless network;
  • the digital terminal is configured to: receive and play a voice signal of the opposite end of the call sent by the mobile terminal through the WIFI voice path when performing the voice service, and send the voice signal of the user to the mobile terminal through the WIFI voice path.
  • the mobile terminal includes a wireless communication module, a first voice service module, and a first WIFI routing module
  • the digital terminal includes a second WIFI routing module and a second voice service module
  • the wireless communication module Setting to: receive a voice signal of the opposite end of the call from the wireless network and send the voice signal to the first voice service module; and, the voice message obtained from the first voice service module The number is converted into a wireless signal and sent to the opposite end of the call through the wireless network;
  • the first voice service module is configured to: convert the voice signal of the call end obtained from the wireless communication module from an analog signal to a digital signal, encode the digital signal and package the voice signal into a voice data packet, and send the The first WIFI routing module; and decoding the voice data packet obtained from the first WIFI routing module, and converting the decoded voice signal from a digital signal to an analog signal, and transmitting the voice signal to the wireless communication module ;
  • the first WIFI routing module is configured to: send a voice data packet obtained from the first voice service module to the second WIFI routing module through a WIFI voice path; and receive from the second through a WIFI voice path a voice data packet sent by the WIFI routing module, and sent to the first voice service module;
  • the second WIFI routing module is configured to: send a voice data packet obtained from the first WIFI routing module to the second voice service module; and receive a voice data packet sent by the second voice service module, And sending, by the WIFI voice path, the first WIFI routing module; the second voice service module is configured to: decode the voice data packet obtained from the second WIFI routing module, and decode the decoded voice signal from the digital signal Converting to an analog signal, and calling the playing module of the digital terminal to play the analog signal; and receiving a voice signal of the user sent by the sound module of the digital terminal, and converting the received voice signal from the analog signal
  • the digital signal is encoded and encapsulated into a voice data packet, and then sent to the second WIFI routing module.
  • the present invention further provides a mobile terminal, including a wireless communication module, a voice service module, and a WIFI routing module, which are sequentially connected, wherein
  • the wireless communication module is configured to: receive a voice signal of the opposite end of the call from the wireless network, and send the voice signal to the voice service module; and convert the voice signal obtained from the voice service module into a wireless signal and send the call to the call through the wireless network.
  • the voice service module is configured to: convert the voice signal of the call peer obtained from the wireless communication module from an analog signal to a digital signal, encode the digital signal and package the voice signal into a voice data packet, and send the voice signal to the a WIFI routing module; and, decoding the voice data packet obtained from the WIFI routing module, and converting the decoded voice signal from a digital signal to a simulation Sending the signal to the wireless communication module;
  • the WIFI routing module is configured to: send a voice data packet obtained from the voice service module to a digital terminal that is connected to the mobile terminal WIFI through a WIFI voice path; and receive from the digital terminal through a WIFI voice path The voice data packet is sent and sent to the voice service module.
  • the present invention also provides a digital terminal, including a connected WIFI routing module and a voice service module, where
  • the WIFI routing module is configured to: receive a voice data packet sent by the mobile terminal that is connected to the digital terminal WIFI by using a WIFI voice path, and send the voice data packet to the voice service module; and receive the voice sent by the voice service module. a data packet, and sent to the mobile terminal through a WIFI voice path;
  • the voice service module is configured to: decode a voice data packet obtained from the WIFI routing module, convert the decoded voice signal from a digital signal to an analog signal, and invoke a play module of the digital terminal to perform the analog signal And receiving a voice signal of the user sent by the sound module of the digital terminal, converting the received voice signal from an analog signal to a digital signal, encoding the digital signal and packaging the voice signal into a voice data packet, and transmitting the The WIFI routing module.
  • the invention introduces voice data of the mobile terminal into the digital terminal by using a point-to-point transmission technology based on the WIFI network between the mobile terminal and the digital terminal, so that the voice call can be made through the MIC (microphone) and the speaker (speaker) on the digital terminal. , to avoid increased radiation without affecting the user's network experience.
  • FIG. 1 is a system block diagram of an embodiment of the present invention
  • FIG. 2 is a schematic diagram of an application scenario of an application example of the present invention.
  • FIG. 3 is a schematic diagram of a system composition of an application example of the present invention.
  • Figure 5 is a flow diagram of a called implementation of an application example of the present invention. Preferred embodiment of the invention
  • the data service and the voice service may be concurrently transmitted based on the WIFI route of the mobile terminal.
  • the digital terminal is connected to the wireless network through the WIFI route of the mobile terminal, and when the voice service is performed, the mobile terminal receives the voice service from the wireless network.
  • the voice signal of the opposite end of the call is sent to the digital terminal through the WIFI voice path, and is played by the digital terminal, and the digital terminal sends the voice signal of the user to the mobile terminal through the WIFI voice path, and the mobile terminal Send to the call peer through the wireless network.
  • the digital terminal is connected to the wireless network through the WIFI route of the mobile terminal;
  • the mobile terminal sends the received incoming call message sent by the opposite end of the call to the digital terminal, and the digital terminal prompts the user to have an incoming call;
  • the mobile terminal when the mobile terminal receives the incoming call message, the mobile terminal can transmit the message to the digital terminal by starting the point-to-point transmission software; after receiving the message, the digital terminal starts the corresponding point-to-point software, and the incoming call message is The form of the interface is provided to the user;
  • step (4) is performed; if the user rejects (the digital terminal receives the information that the user chooses to reject), then Perform step (6);
  • the process of voice signals from the opposite end of the call to the user may include:
  • the process of the voice signal from the user to the opposite end of the call may include:
  • the digital terminal receives the voice signal of the user (receives a voice signal through a sound module, such as a MIC (microphone)), converts the voice signal from an analog signal to a digital signal, encodes and encapsulates the voice signal into a voice data packet, and passes the WIFI Transmitting a voice path to the mobile terminal; the mobile terminal receives a voice data packet sent by the digital terminal, decodes and converts the obtained voice signal from a digital signal into an analog signal, and then converts the wireless signal into a wireless signal and sends the call to the call through the wireless network.
  • a sound module such as a MIC (microphone)
  • step (6) The call ends, if the user hangs up the phone (the digital terminal receives the information that the user hangs up the phone), step (6) is performed; if the call end hangs up the call (the mobile terminal receives the call) The peer end hangs up the phone information), then step (7);
  • the digital terminal sends the hang up message to the mobile terminal through the WIFI voice path, and the mobile terminal performs the hang up process to end the call; the subsequent steps are not performed.
  • the mobile terminal performs the hang up process, ends the call, and sends the hang up message to the digital terminal through the WIFI voice path, and the digital terminal prompts the user to end the call, and can release the vocal module (MIC) and play The resources of the module (Speaker).
  • MIC vocal module
  • Speaker The resources of the module
  • the digital terminal is connected to the wireless network through the WIFI route of the mobile terminal;
  • the digital terminal receives the user's dialing request to the mobile terminal, and in the mobile step, the mobile terminal establishes a WIFI voice path between the mobile terminal and the digital terminal, and the mobile terminal can transmit the dialing process to the interface in the form of an interface.
  • Digital terminal to prompt the user;
  • step (4) is performed; if the call peer chooses to reject the call (the mobile terminal receives the call peer selection) Reject the information), then perform step (7);
  • the mobile terminal sends a message that the call end answers to the digital terminal, and the digital terminal The end displays the in-call interface, the call is established, and a WIFI voice path is established between the mobile terminal and the digital terminal;
  • the process of the voice signal from the opposite end of the call to the user may specifically include:
  • the process of the voice signal from the user to the opposite end of the call may specifically include:
  • the digital terminal receives the voice signal of the user (through a sound module, such as a MIC receiving a voice signal), converts the voice signal from an analog signal to a digital signal, encodes and encapsulates the voice data packet, and transmits the voice data packet through a WIFI voice path.
  • a sound module such as a MIC receiving a voice signal
  • the mobile terminal receives the voice data packet sent by the digital terminal, decodes and converts the obtained voice signal from a digital signal into an analog signal, and then converts the wireless signal into a wireless signal and sends the signal to the opposite end of the call.
  • step (6) The call ends, if the user hangs up the phone (the digital terminal receives the information that the user hangs up the phone), step (6) is performed; if the call end hangs up the call (the mobile terminal receives the call) The peer end hangs up the phone information), then step (7);
  • the digital terminal sends the hang up message to the mobile terminal through the WIFI voice path, and the mobile terminal performs the hang up process to end the call; the subsequent steps are not performed.
  • the mobile terminal performs the hang up process, ends the call, and sends the hang up message to the digital terminal through the WIFI voice path, and the digital terminal prompts the user to end the call, and can release the vocal module (MIC) and play The resources of the module (Speaker).
  • MIC vocal module
  • Speaker The resources of the module
  • the voice service implementation system of the embodiment of the present invention includes a digital terminal and a mobile terminal, and the digital terminal is connected to the wireless network through a WIFI route of the mobile terminal, where
  • the mobile terminal is configured to: after receiving the voice service, receive the voice signal of the opposite end of the call from the wireless network, send the voice signal to the digital terminal through the WIFI voice path, and receive the voice of the user sent by the digital terminal through the WIFI voice path Signal and sent to the opposite end of the call through a wireless network;
  • the digital terminal is configured to: receive and play the mobile terminal when performing voice service
  • the voice signal of the opposite end of the call sent by the WIFI voice path, and the voice signal of the user is sent to the mobile terminal through the WIFI voice path.
  • the mobile terminal includes a wireless communication module, a first voice service module, and a first WIFI routing module
  • the digital terminal includes a second WIFI routing module and a second voice service module.
  • the wireless communication module is configured to: receive a voice signal of a call end from a wireless network, and send the voice signal to the first voice service module; and convert the voice signal obtained from the first voice service module into a wireless signal by using a wireless The network sends to the opposite end of the call;
  • the first voice service module is configured to: convert the voice signal of the call peer obtained from the wireless communication module from an analog signal to a digital signal, encode and encapsulate the voice data packet, and send the voice signal to the first WIFI route. a module; and decoding, the voice data packet obtained from the first WIFI routing module, and converting the obtained voice signal from a digital signal to an analog signal, and transmitting the voice signal to the wireless communication module;
  • the first WIFI routing module is configured to: send a voice data packet obtained from the first voice service module to the second WIFI routing module through a WIFI voice path; and receive from the second through a WIFI voice path a voice data packet sent by the WIFI routing module, and sent to the first voice service module;
  • the second WIFI routing module is configured to: send a voice data packet obtained from the first WIFI routing module to the second voice service module; and receive a voice data packet sent by the second voice service module, Sending to the first WIFI routing module through a WIFI voice path;
  • the second voice service module is configured to: decode a voice data packet obtained from the second WIFI routing module and convert the obtained voice signal from a digital signal to An analog signal, calling a playing module of the digital terminal to play; and receiving a voice signal of the user sent by the sound module of the digital terminal, converting the voice signal from an analog signal to a digital signal, encoding and encapsulating into a voice
  • the data packet is sent to the second WIFI routing module.
  • the mobile terminal may be a mobile phone with an Internet access and a WIFI function
  • the digital terminal may be a computer with a WIFI function, an electronic device such as a PSP (Multi-Purpose Handheld).
  • the wireless network may be a 3G network or other network having a PS (Packet Service, Data Service) function.
  • PS Packet Service, Data Service
  • a wireless network as a 3G network
  • a mobile terminal as a 3G mobile phone
  • FIG. 2 it is a schematic diagram of an application scenario of an application example of the present invention, wherein a 3G mobile phone and a base station support a PS service and a CS (circuit service, ie, a voice service) of the mobile phone through a 3G wireless communication connection.
  • the WIFI routing module that comes with the 3G mobile phone and the WIFI routing module that comes with the digital terminal are interconnected through WIFI.
  • the digital terminal can construct a Voice channel on the WIFI network between the mobile phone and the digital terminal through the installed Voice Service client. In this way, the digital terminal can access the Internet through the 3G network of the mobile phone through WIFI, and can also make a voice call through the network of the mobile phone through the voice channel based on WIFI.
  • the 3G mobile phone is familiar to the public through the mobile communication network for PS and voice services, without much introduction.
  • the data and control process of the present invention can be understood by the system composition diagram shown in FIG.
  • the mobile phone has the functions of mobile communication through the 3G Module (3G communication module), including the PS service and the voice service.
  • the mobile phone realizes interconnection with other digital terminals with the WIFI module through its own WIFI module, wherein in order to realize the data forwarding of the PS, the mobile phone needs Install WIFI Router (route) Q.
  • WIFI Router Route
  • both the mobile terminal and the digital terminal need to install a client that supports voice calls, which is identified by a Voice Service.
  • the Voice Service supports peer-to-peer access, so the WIFI path between the two is only a data pipe for the Voice Service, which is identified by the WIFI Tunnel.
  • WIFI For digital terminals, if WIFI is supported then the corresponding PS data and PS control are managed by the corresponding service.
  • the Voice Service completes the control of the voice input and output devices (mobile phones or digital terminals) on the terminal, the encoding and decoding of voices, and the processing of control commands.
  • the voice data of the 3G mobile phone is sent to the voice service client (including the control command) on the WIFI tunnel through the voice service client digital conversion and encoding.
  • the voice service of the peer end starts the voice on the terminal after receiving the control command. Management of input and output devices, and decoding and conversion of received voice data
  • the output is output to the voice output device, and the data received on the local voice input device is converted and encoded, and then sent to the mobile terminal.
  • the two voice service clients are peer-to-peer, the following describes the process of the voice service on the mobile phone in combination with the specific voice process.
  • the user starts the Voice Service client on the digital terminal, enters the number or selects the local directory to dial the number.
  • the Voice Service packages the request to the mobile phone through WIFI, and controls the MIC and Speaker resources.
  • the mobile phone After receiving the message, the mobile phone starts the local Voice Service client. , parsing the message, if it is a dialing message, establishing a voice path, then calling the dialing process of the mobile phone to make the calling party call, and transmitting the information in the dialing process back to the Voice Service on the digital terminal, displaying the dialing process to the user, and simultaneously putting the network
  • the prompt tone is played to the user.
  • the voice service on the mobile phone side will call the hang up process, cancel the caller's dialing, and return the information of the hang up process.
  • the voice service on the digital terminal displays the hang up process to the user. After the hang up, the voice path is released, and the MIC and Speaker resources on the digital terminal are released. If the other party answers, the call is successfully established, and the voice service returns the call setup success message. After receiving the message, the digital terminal displays that the call is successfully established. After the call is entered, the voice service of the voice service transmitted by the voice service on the mobile phone side of the 3G Module is transmitted.
  • the Voice Service on the digital terminal side decodes the received data and converts it into an analog signal and outputs it to the Speaker.
  • the analog signal input by the user voice on the MIC is converted into a digital signal code and sent to the mobile phone side, and the mobile phone side decodes and then converts to an analog signal output to the 3G Module.
  • the voice service client is started, and the voice service of the digital terminal is notified that there is an incoming call, and the caller number is transmitted to the digital terminal for display on the interface and the call ring tone is played, prompting the user to have an incoming call. If the user chooses to reject the call, the current service will hang up. After receiving the hang up message, the voice service will call the hang up process, and the process information will be sent back to the digital terminal for display to the user. After the hang up process, the digital terminal will be notified to the call. End to release the corresponding audio device resources.
  • the voice service on the mobile phone side calls the answering process to establish a voice path to enter the call.
  • the voice service on the mobile phone side converts the analog signal of the voice data transmitted from the 3G Module into a digital signal, which is encoded and sent to the Voice Service on the digital terminal side through the WIFI, and the Voice Service on the digital terminal side receives the voice service.
  • the data is decoded, it is converted to an analog signal and output to the Speaker.
  • the analog signal input by the user voice on the MIC is converted into a digital signal code and sent to the mobile phone side, and the mobile phone side decodes and then converts to an analog signal and outputs it to the 3G Module.
  • the voice transmission on the WIFI router is used to provide a solution for the CS voice call while the digital terminal uses the mobile phone WIFI to share the 3G mobile network, thereby overcoming the traditional application scenario. Or the quality of the service is degraded, resulting in a low degree of user acceptance.
  • each module/unit in the foregoing embodiment may be implemented in the form of hardware, or may use software functions.
  • the form of the module is implemented. The invention is not limited to any specific form of combination of hardware and software.
  • the present invention performs voice communication through the MIC and Speaker on the digital terminal, and avoids the increase of radiation without affecting the user's network experience.

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

La présente invention porte sur un procédé et un système de réalisation pour services vocaux, le procédé comprenant les étapes suivantes : un terminal numérique est connecté à un réseau sans fil par l'intermédiaire d'un routage de fidélité sans fil (WIFI) d'un terminal mobile ; durant le processus de services vocaux, un signal vocal d'un correspondant, reçu en provenance du réseau sans fil, est transmis du terminal mobile au terminal numérique par l'intermédiaire d'un passage vocal WIFI, et reproduit par le terminal numérique ; et un signal vocal d'un abonné est transmis du terminal numérique au terminal mobile par le passage vocal WIFI, et transmis du terminal mobile au correspondant par l'intermédiaire du réseau sans fil. La présente invention guide les données vocales du terminal mobile jusqu'au terminal numérique par utilisation de la technique de transmission point à point reposant sur le réseau WIFI entre le terminal mobile et le terminal numérique, ce qui permet d'effectuer la conversation vocale par l'intermédiaire du terminal numérique, et l'augmentation du rayonnement est évitée, en même temps l'expérience de réseau des abonnés n'est pas affectée.
PCT/CN2011/075448 2011-02-21 2011-06-08 Procédé et système de réalisation pour services vocaux WO2012113186A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201110042497.XA CN102131305B (zh) 2011-02-21 2011-02-21 一种语音业务的实现方法和系统
CN201110042497.X 2011-02-21

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WO2012113186A1 true WO2012113186A1 (fr) 2012-08-30

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