WO2013107150A1 - Procédé et système de lecture à l'aide d'un dispositif à bande étroite dans un service à large bande - Google Patents

Procédé et système de lecture à l'aide d'un dispositif à bande étroite dans un service à large bande Download PDF

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Publication number
WO2013107150A1
WO2013107150A1 PCT/CN2012/077259 CN2012077259W WO2013107150A1 WO 2013107150 A1 WO2013107150 A1 WO 2013107150A1 CN 2012077259 W CN2012077259 W CN 2012077259W WO 2013107150 A1 WO2013107150 A1 WO 2013107150A1
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WIPO (PCT)
Prior art keywords
network
intelligent peripheral
playback
msc
mgcf
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PCT/CN2012/077259
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English (en)
Chinese (zh)
Inventor
屈天喜
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中兴通讯股份有限公司
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Publication of WO2013107150A1 publication Critical patent/WO2013107150A1/fr

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
    • H04L65/10—Architectures or entities
    • H04L65/102—Gateways
    • H04L65/1023—Media gateways
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
    • H04L65/10—Architectures or entities
    • H04L65/1016—IP multimedia subsystem [IMS]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
    • H04L65/1066—Session management
    • H04L65/1069—Session establishment or de-establishment
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
    • H04L65/1066—Session management
    • H04L65/1101—Session protocols
    • H04L65/1104—Session initiation protocol [SIP]

Definitions

  • the present invention relates to the field of intelligent network communication under IMS (IP Multimedia Subsystem, IP Multimedia Subsystem) and NGN (Next Generation Network), and more particularly to a method and system for playing a narrowband device in a broadband service. . Background technique
  • the so-called broadband service refers to the intelligent service under the broadband network.
  • the broadband network is relative to the narrowband network. It refers to the IP (Internet Protocol)-based network, such as IMS, NGN, which belongs to the packet switched network.
  • IP Internet Protocol
  • the communication protocol used is SIP (Session Initiation Protocol).
  • Narrowband networks such as PSTN (Public Switched Telephone Network), GSM (Global System for Mobile communication), and CDMA (Code Division Multiple Access) networks belong to circuit-switched networks.
  • the communication protocol used is No. 7 signaling.
  • the playback device refers to the device used for playback and playback.
  • the broadband network and the narrowband network use different communication protocols, so the playback device used is different.
  • Intelligent peripherals Intelligent Peripheral
  • Audio equipment while a broadband network uses a Media Server (MS) as a playback device.
  • MS Media Server
  • the main purpose of the embodiments of the present invention is to provide a method and system for playing a narrowband device in a broadband service, which is used to implement playback using a narrowband device in a broadband service.
  • the technical solution of the embodiment of the present invention is implemented as follows: A method for playing a sound by using a narrowband device in a broadband service, the method comprising:
  • the softswitch SS/call session control function CSCF of the core network sends a call request message to the media gateway MGW/media gateway control function MGCF, the call request
  • the message carries global code GT routing information of the narrowband network intelligent peripheral
  • the MGW/MGCF forwards the call request message to the mobile switching center MSC, and the MSC searches for the address of the intelligent peripheral according to the GT routing information in the call request message, and applies the playback resource to the intelligent peripheral;
  • the intelligent peripheral After the application of the playback resource is successful, the intelligent peripheral sends a success response message to the MSC, and the successful response message is sent to the AS through the MGW/MGCF and the SS/CSCF;
  • the AS After receiving the success response message, the AS notifies the intelligent peripheral to play or release the received number. Further, the method for the MSC to find the address of the smart peripheral according to the GT routing information in the call request message is:
  • the MSC sends a query request to the home location register HLR, where the query request carries the GT routing information;
  • the HLR searches for an intelligent peripheral address based on the GT routing information and feeds back the intelligent peripheral address to the MSC.
  • the method further includes: the MGW/MGCF performing the conversion of the broadband network and the narrowband network on the signaling and the media, specifically:
  • the MGW/MGCF performs protocol conversion of SIP of the broadband network and SS7 of the narrowband network;
  • the MGW/MGCF performs the conversion of the packet switched data media stream network signal of the broadband network and the circuit domain relay voice signal of the narrowband network.
  • the narrowband network is a global mobile communication system GSM network, code division multiple access Access to a CDMA network or a public switched telephone network PSTN, which is an IP Multimedia Subsystem or a Next Generation Communication Network.
  • the embodiment of the invention further provides a system for playing a sound using a narrowband device in a broadband service, the system comprising:
  • AS configured to determine whether the call process needs to play the user terminal, and when the voice is needed, send a call request message to the SS/CSCF, where the call request message carries the global code GT routing information of the narrowband network intelligent peripheral; After the success response message fed back to the SS/CSCF, it is also used to notify the intelligent peripheral to play or release the received number;
  • a softswitch SS/call session control function CSCF of the core network configured to forward the call request message to the MGW/MGCF after receiving the call request message of the AS; and after receiving the successful response returned by the MGW/MGCF , forwarding the successful response to the AS;
  • the media gateway MGW/media gateway control function MGCF is used to complete the conversion of the broadband network and the narrowband network on the signaling and the media; after receiving the call request message sent by the SS/CSCF, the module forwards the call request message. Giving the MSC; after receiving the success response message fed back by the MSC, forwarding the success response message to the SS/CSCF;
  • the mobile switching center MSC is configured to: after receiving the call request message forwarded by the MGW/MGCF, search for the corresponding intelligent peripheral according to the GT routing information carried in the request message, and send the smart peripheral according to the found intelligent peripheral address to the intelligent peripheral device. Requesting a sound reproduction resource, after obtaining a successful response from the intelligent peripheral feedback, sending a success response message to the MGW/MGCF;
  • the intelligent peripheral device is configured to allocate the sounding resource after receiving the request for the application for the sounding resource sent by the MSC, and feed back the success response message of the application for the sounding resource to the MSC.
  • system further includes:
  • the HLR is configured to search for a corresponding intelligent peripheral address according to the GT routing information of the intelligent peripheral carried in the query request after receiving the query request for the intelligent peripheral sent by the MSC, and feed back the intelligent peripheral address to the MSC.
  • the MGW/MGCF is further configured to perform conversion between a broadband network and a narrowband network on signaling and media; in signaling, the MGW/MGCF performs a SIP protocol of a broadband network and a seventh letter of a narrowband network.
  • the MGW/MGCF performs the conversion of the packet-switched data media stream network signal of the broadband network and the circuit domain relay voice signal of the narrow-band network.
  • AS further includes:
  • a logic control module configured to perform business related logic control and operations according to the received events and data
  • the playback operation module is configured to perform a related playback or playback collection operation when the logic control module determines that a playback or playback number is required; the operation includes: applying to the media server MS or applying to the intelligent peripheral Resources; decide whether to play the sound according to the final response of the application for playback resources, and notify the intelligent peripheral to play the sound when the final response is a successful response; release the playback resource after the playback or playback is completed;
  • CDR generation module Used to generate CDRs based on related information.
  • the narrowband network is a global mobile communication system GSM network, a code division multiple access CDMA network or a public switched telephone network PSTN, and the broadband network is an IP multimedia subsystem or a next generation communication network.
  • the AS when the AS determines that the user terminal needs to play the sound, the AS sends a call request message to the core network, and carries the GT routing information of the intelligent peripheral.
  • the call request message is sent to the MSC through the MGW/MGCF, and the MSC passes the MSC.
  • the GT routing information obtains the intelligent peripheral address and applies for the playback resource.
  • the AS After the application for the playback resource is successful, the AS notifies the intelligent peripheral to perform the playback or playback.
  • the embodiment of the present invention realizes the use of narrow-band device intelligent peripheral playback in the broadband service, instead of the broadband network playback device MS, and reduces the operator networking cost.
  • FIG. 1 is a schematic diagram of a method for playing a narrowband device in a broadband service according to an embodiment of the present invention
  • FIG. 2 is a schematic structural diagram of a system for playing a sound of a narrowband device in a broadband service according to an embodiment of the present invention
  • FIG. 3 is a schematic structural diagram of a function module of an AS according to an embodiment of the present disclosure.
  • FIG. 4 is a schematic diagram of a signaling flow of a method for implementing playback of a narrowband device in a broadband service according to an embodiment of the present invention. detailed description
  • FIG. 1 is a schematic flowchart of a method for playing a sound of a narrowband device in a broadband service according to an embodiment of the present disclosure, where the method includes the following steps:
  • the broadband service application server determines that the SS/CSCF (Soft Switch/Call Session Control Function) in the broadband core network is soft-switched when the user terminal needs to play the voice during the call.
  • SS/CSCF Soft Switch/Call Session Control Function
  • GT Global Title
  • Step 102 After receiving the call request message, the SS/CSCF passes the MGW/MGCF (Media GateWay/Media Gateway Control Function, media gateway/media gateway control function; the call seeking request message is sent to the Mobile Switching Center (MSC). .
  • MGW/MGCF Media GateWay/Media Gateway Control Function, media gateway/media gateway control function; the call seeking request message is sent to the Mobile Switching Center (MSC).
  • MSC Mobile Switching Center
  • Step 103 The MSC communicates with a Home Location Register (HLR), and the HLR searches for an intelligent peripheral address according to the GT routing information in the call request message, and feeds back the found intelligent peripheral address to the MSC, and the MSC goes to the smart Set up a sound source.
  • HLR Home Location Register
  • Step 104 The intelligent peripheral returns a successful response to the application for the playback resource to the MSC, and the MSC feeds the successful response to the AS through the MGW/MGCF and the SS/CSCF, and sends the media description information of the intelligent peripheral to the AS.
  • Step 105 The AS notifies the playback device, that is, the intelligent peripheral, to perform playback or playback.
  • Step 106 After the playback or playback is completed, the AS releases the playback resource.
  • FIG. 2 is a system for playing a narrowband device in a broadband service according to an embodiment of the present invention, where the system includes:
  • UE User Equipment
  • a device used to initiate a call, answer a call, and perform other call operations such as a GSM or CDMA handset, a PSTN terminal, an IMS terminal, and the like.
  • the AS in the broadband communication network NGN or IMS, provides the underlying service capabilities, such as: call control, bill generation and other functions.
  • the AS determines whether it needs to play the sound to the UE during the call, and if the voice is required to be played, sends a call request message to the SS/CSCF, where the call request message is sent.
  • the GT routing information of the intelligent peripheral that provides the playback resource in the narrowband network; after receiving the success response message fed back by the SS/CSCF, notifying the intelligent peripheral to play or release the received number.
  • the softswitch SS/call session control function CSCF of the broadband core network is configured to: when receiving the call request message sent by the AS, forward the call request message to the media gateway MGW/MGCF, where the call request message carries the
  • the GT routing information is further configured to: when receiving the success response message fed back by the MGW/MGCF, forwarding the success response message to the AS, where the success response message includes SDP information of the intelligent peripheral;
  • CSCF is also used in the broadband core network to provide users with registration, signing and other functions.
  • the SS is for the NGN network and the CSCF is for the IMS network.
  • the media gateway MGW/media gateway control function MGCF is used to complete the conversion of the broadband network and the narrowband network on the signaling and the media.
  • signaling the protocol conversion of the SIP of the broadband network and the SS7 of the narrowband network is completed.
  • the conversion of the packet-switched data media stream network signal of the broadband network and the circuit domain relay voice signal of the narrow-band network is completed.
  • the MGW/MGCF After receiving the call request message sent by the SS/CSCF, the MGW/MGCF performs signaling conversion, and forwards the call request message to the MSC. After receiving the success response message fed back by the MSC, the signaling is transferred. Change, the success response message is forwarded to the SS/CSCF.
  • the MGW is applicable to the NGN network, and the MGCF is applicable to the IMS network.
  • the mobile switching center MSC which is the core network element of a narrowband network (such as GSM, CDMA, PSTN), is mainly used to provide functions such as switching and call routing, communicating with HLR, and communicating with other MSCs.
  • the MSC After receiving the call request message forwarded by the MGW/MGCF, the MSC searches for the corresponding intelligent peripheral according to the GT routing information carried in the call request message, and sends an application for the playback resource to the intelligent peripheral according to the found intelligent peripheral address.
  • the request after obtaining a successful response from the intelligent peripheral feedback, sends a success response message to the MGW/MGCF.
  • the method for the MSC to find the intelligent peripheral according to the GT routing information in the received call request message is: the MSC sends a query request to the HLR, where the query request carries the GT routing information; the HLR searches for the smart according to the GT routing information. Set the address and feed back the intelligent peripheral address to the MSC.
  • the HLR which is used for mobile user management, stores subscription data of the users under jurisdiction and location information of the mobile users, and provides routing information for the call. After receiving the query request sent by the MSC to find the smart device, the HLR searches for the corresponding intelligent peripheral address according to the GT routing information of the intelligent peripheral carried in the query request, and feeds back the intelligent peripheral address to the MSC.
  • Intelligent Peripheral a playback device for narrowband networks. It provides resources to support the exchange of information between users and the Internet. For example: speech synthesis/recognition devices, dual tone multi-frequency (DTMF) digital signal transceivers, etc.
  • the intelligent peripheral After receiving the request for the playback resource sent by the MSC, the intelligent peripheral determines whether the playback resource can be provided, and allocates a corresponding playback resource when the required playback resource is provided. And feedback to the MSC to apply for a sound resource success response message.
  • DTMF dual tone multi-frequency
  • FIG. 3 is a schematic structural diagram of a function module of an AS according to an embodiment of the present invention, specifically including: a logic control module, configured to perform service related logic control and operation according to received events and data; and receive an incoming call event and are called The number is IVR (Interactive Voice Response, mutual Dynamic voice response) access code, then perform related playback and playback collection, perform related management operations, etc.; receive the final response event of the failed call, give the caller a failure prompt tone or pass the failure code to The calling party receives the response event, records the user's call start time, and receives the on-hook event, then records the user's call end time.
  • IVR Interactive Voice Response, mutual Dynamic voice response
  • the playback operation module is used to perform related playback or playback reception when the logic control module determines that a playback or playback number is required.
  • the main steps include: requesting the sound resource from the MS or the intelligent peripheral; the MS or the intelligent peripheral returns the final response of the application resource; the playback operation module determines whether to play the sound according to the final response of the application resource, and if it is a successful response, The playback link is successfully established, and the AS notifies the MS or the intelligent peripheral to play a certain or a certain group of playback content, wherein the playback content may include a fixed sound (generally a recording file) or a variable sound, and if it is a failed response, Then the AS no longer informs the MS or the intelligent peripheral to play the related playback content; after the AS playback or playback is completed, the playback resource is released.
  • the AS generates CDRs based on related information, including the calling number, called number, call start time, call end time, call duration, and rate.
  • a user call arrives at the AS, and the AS needs to play the sound.
  • the final release is used as an example to describe the signaling process of the embodiment of the present invention. The specific steps are as follows:
  • Step 01 The UE sends a SIP message INVITE call request to the AS, and carries its own SDP (Session Description Protocol) information.
  • SDP Session Description Protocol
  • the SDP information mainly describes media description information such as IP address, port number, audio and video capability, and encoding format.
  • the AS determines that the scene needs to be played.
  • Step 02 The AS sends a SIP message INVITE call request to the broadband core network SS/CSCF, carries the SDP information of the UE, and carries the GT routing information of the intelligent peripheral.
  • AS wants to apply for audio resources to smart peripherals.
  • Step 03 The broadband core network SS/CSCF sends a SIP message INVITE call request to the media gateway MGW/MGCF, carries the SDP information of the UE, and carries the GT routing information of the intelligent peripheral. Wait. The SS/CSCF judges that the call is not a broadband domain call, and then forwards the call to the media gateway MGW/MGCF and routes it to the narrowband domain.
  • Step 04 The media gateway MGW/MGCF sends an IAM (Initial Address Messages) call request message of the ISUP (ISDN User Part) to the MSC, and the message carries the GT routing information of the intelligent peripheral.
  • IAM Initial Address Messages
  • Step 05 The mobile switching center MSC sends an SRI (Send Routing Information) message of the MAP (Mobile Application Part) to the HLR, where the message carries the GT routing information of the intelligent peripheral.
  • SRI Send Routing Information
  • Step 06 The HLR searches for the address of the intelligent peripheral according to the GT routing information of the intelligent peripheral, and returns an SRI ACK response message of the MAP to the MSC, where the SRI ACK response message carries the address information of the intelligent peripheral obtained by the HLR query.
  • Step 07 The MSC sends an ISAM IAM call request message to the intelligent peripheral, and requests the audio resource to the smart device.
  • Step 08 The intelligent peripheral returns an ISUP ANM (Answer Message) response message to the mobile switching center MSC, indicating that the MSC applies for the playback resource successfully.
  • ISUP ANM Answer Message
  • Step 09 The MSC returns an ANUP response message of the ISUP to the media gateway MGW/MGCF, indicating that the application for the playback resource is successful.
  • Step 10 The media gateway MGW/MGCF returns a SIP 200 OK (INVITE) final response message to the broadband core network SS/CSCF, where the message carries the SDP information of the intelligent peripheral.
  • SIP 200 OK INVITE
  • Step 11 The broadband core network SS/CSCF returns a SIP 200 OK (INVITE) final response message to the AS, and the message carries the SDP information of the intelligent peripheral.
  • SIP 200 OK INVITE
  • Step 12 The AS sends a SIP ACK acknowledgement message to the broadband core network SS/CSCF.
  • Step 13 The broadband core network SS/CSCF sends a SIP ACK confirmation message to the media gateway MGW/MGCF.
  • Step 14 The AS returns a SIP 183 Sesion Process temporary response message to the UE, and the message SDP information carrying intelligent peripherals.
  • Step 15 The AS sends a SIP INFO notification request to the broadband core network SS/CSCF to request the intelligent peripheral to play.
  • Step 16 The broadband core network SS/CSCF sends a SIP INFO notification request to the media gateway MGW/MGCF to forward the playback request sent by the AS.
  • Step 17 The media gateway MGW/MGCF sends an ETC (Setting Temporary Connection) message of the CAP to the mobile switching center MSC, requesting to establish a playback link.
  • ETC Setting Temporary Connection
  • Step 18 The MSC sends an ETC message of the CAP to the intelligent peripheral to request to establish a playback link.
  • Step 20 The MSC returns an ARI CAP message to the media gateway MGW/MGCF, and agrees to establish a playback link.
  • Step 21 The media gateway MGW/MGCF returns a SIP 200 OK (INFO) success response message to the broadband core network SS/CSCF.
  • SIP 200 OK INFO
  • Step 22 The broadband core network SS/CSCF returns a SIP 200 OK (INFO) success response message to the AS.
  • SIP 200 OK INFO
  • Step 15 to step 22 the AS is notified to the intelligent peripheral to perform the process of playing or collecting the number.
  • the AS receives the 200 OK success response message in step 22, it indicates that the smart peripheral and the UE have been established.
  • the intelligent peripheral can perform playback or playback.
  • the media gateway MGW/MGCF converts the voice signal in the circuit domain of the narrowband network into a packet-switched data media stream signal of the broadband network.
  • Step 23 The AS sends a SIP BYE End Request message to the broadband core network SS/CSCF.
  • the AS ends the playback of the UE and releases the playback resource.
  • Step 24 The broadband core network SS/CSCF sends the SIP to the media gateway MGW/MGCF. BYE ends the request message.
  • Step 25 The media gateway MGW/MGCF sends an ISUP REL (RELease message) release request message to the mobile switching center MSC.
  • ISUP REL RELease message
  • Step 26 The MSC sends an ISUP REL release request message to the intelligent peripheral.
  • Step 27 The intelligent peripheral returns an RLC (ReLease Complete message) response message of the ISUP to the mobile switching center MSC.
  • the intelligent peripheral releases the playback resource.
  • Step 28 The MSC returns the RLC release completion of the ISUP to the media gateway MGW/MGCF.
  • Step 29 The media gateway MGW/MGCF returns a SIP 200 OK (B YE) success response message to the broadband core network SS/CSCF.
  • Step 30 The broadband core network SS/CSCF returns a SIP 200 OK (BYE) success response message to the AS.
  • the AS receives the final response to release the playback resource.
  • Step 31 The AS sends a 487Terminated final response message of the SIP to the user terminal UE. After the UE finishes playing the radio and releases the playback resource, the AS releases the UE's call according to the scene.
  • Step 32 The UE sends an SIP ACK acknowledgement message to the AS.
  • the communication protocol between the UE and the AS, between the SS and the SS/CSCF in the broadband core network, and between the SS/CSCF and the MGW/MGCF is the broadband network SIP.
  • the communication protocol between the MGW/MGCF and the MSC, between the MSC and the HLR, and between the MSC and the intelligent peripheral is Narrowband Network No. 7 signaling, such as ISUP and MAP.
  • the media stream between the UE and the MGW/MGCF is a packet-switched data medium stream signal of the broadband network, and the media stream between the MGW/MGCF and the intelligent peripheral is a circuit domain relay voice signal of the narrowband network.
  • the AS sends a call request message to the core network when the user terminal needs to play the voice, and carries the GT routing information of the intelligent peripheral.
  • the call request message is sent to the MSC, the MSC and the HLR through the MGW/MGCF.
  • Communication HLR finds intelligence based on GT code Peripherals, MSC apply for playback resources, intelligent peripherals return successful response to the application for playback resources, AS notifies the intelligent peripherals of the playback device to play or release the number, the playback or playback ends, AS release Audio resources.
  • MSC finds intelligence based on GT code Peripherals
  • MSC apply for playback resources
  • intelligent peripherals return successful response to the application for playback resources
  • AS notifies the intelligent peripherals of the playback device to play or release the number, the playback or playback ends, AS release Audio resources.
  • the use of narrow-band device intelligent peripheral playback in broadband services has been implemented, replacing the broadband network playback device MS, which has reduced the operator's networking cost.

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Business, Economics & Management (AREA)
  • General Business, Economics & Management (AREA)
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Abstract

La présente invention concerne un procédé et un système de lecture à l'aide d'un dispositif à bande étroite dans un service à large bande, qui sont utilisés pour réaliser une lecture à l'aide du dispositif à bande étroite dans le service à large bande. Dans les modes de réalisation de la présente invention, un AS envoie à un réseau central un message de demande d'appel qui porte des informations de routage GT concernant un périphérique intelligent lorsqu'il est déterminé que la lecture doit être effectuée sur un terminal d'utilisateur pendant un appel. Le message de demande d'appel est envoyé à un MSC par le biais d'un MGW/MGCF, le MSC obtient l'adresse du périphérique intelligent par le biais des informations de routage GT et demande une ressource de lecture. L'AS informe le périphérique intelligent d'effectuer une lecture ou une réception du nombre de lectures après avoir demandé avec succès une ressource de lecture. Selon les modes de réalisation de la présente invention, la lecture est réalisée à l'aide d'un périphérique intelligent d'un dispositif à bande étroite dans un service à large bande, une MS en tant que dispositif de lecture dans le réseau à large bande est remplacée, et le coût de mise en réseau des opérateurs est diminué.
PCT/CN2012/077259 2012-01-19 2012-06-20 Procédé et système de lecture à l'aide d'un dispositif à bande étroite dans un service à large bande WO2013107150A1 (fr)

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CN2012100177676A CN102594804A (zh) 2012-01-19 2012-01-19 一种在宽带业务中使用窄带设备放音的方法和系统

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