WO2011153753A1 - Procédé, système et serveur d'applications adaptés pour réaliser la mise en attente d'un appel dans un service « click to dial » - Google Patents

Procédé, système et serveur d'applications adaptés pour réaliser la mise en attente d'un appel dans un service « click to dial » Download PDF

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Publication number
WO2011153753A1
WO2011153753A1 PCT/CN2010/077184 CN2010077184W WO2011153753A1 WO 2011153753 A1 WO2011153753 A1 WO 2011153753A1 CN 2010077184 W CN2010077184 W CN 2010077184W WO 2011153753 A1 WO2011153753 A1 WO 2011153753A1
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WO
WIPO (PCT)
Prior art keywords
ctd
terminal
call
request message
call waiting
Prior art date
Application number
PCT/CN2010/077184
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English (en)
Chinese (zh)
Inventor
彭磊
毕沈勇
Original Assignee
中兴通讯股份有限公司
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Publication of WO2011153753A1 publication Critical patent/WO2011153753A1/fr

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M7/00—Arrangements for interconnection between switching centres
    • H04M7/0024—Services and arrangements where telephone services are combined with data services
    • H04M7/003—Click to dial services

Definitions

  • the present invention relates to an IP Multimedia Subsystem (IMS) and an intelligent network communication technology under a Next Generation Network (NGN), and more particularly to implementing call waiting in a Click To Dial (CTD) service.
  • IMS IP Multimedia Subsystem
  • NTN Next Generation Network
  • CTD Click To Dial
  • the CTD service is a call-type service that enables two-way or multi-party calls by bridging the two or more parties' telephone numbers that the user wishes to make a call.
  • the traditional call service that is, the user directly dials the destination telephone number through a terminal (such as a fixed telephone, a mobile phone, etc.).
  • the CTD call is such a call:
  • the CTD application server (AS) separately initiates two or more phone numbers that need to be called, and then bridges the two or more parties that need to answer the call. .
  • the CTD service belongs to a back-to-back (B2B) call type service and has been widely used in current communication networks.
  • B2B back-to-back
  • the advantages of the CTD service are: Provide a visual call service.
  • the visualization here means that the user can check the status of the current call through the operation interface of the CTD call, such as: the telephone number and name of the two parties on the call, and the call status (eg, the called ringing, the called party answer, the called party hangs up, The called call is on hold, etc.), not the video call.
  • the CTD service can even display the avatars used by both parties (ie, call user tags) on the operation interface, and the service can further extend the Instance Message (IM) service of both parties (such as QQ network). Chat, etc.)
  • IM Instance Message
  • the integration of CS (Circuit Switch Switch) and Packet Switch (PS) networks has made CTD services have a very broad development prospect and space for use.
  • each network element in a network system that implements a CTD service mainly includes: a login terminal, a webpage or a client for providing a call or a call control to a user.
  • Terminal device of the end software mainly includes: a login terminal, a webpage or a client for providing a call or a call control to a user.
  • Web page or client software refers to an operation interface that users can log in to the Web; terminal devices such as PCs, 3G terminals, etc., which communicate with CTD WS through Hypertext Transfer Protocol (HTTP) as an HTTP service function. Call to interact.
  • HTTP Hypertext Transfer Protocol
  • CTD web server (CTD WS) for providing CTD calls
  • the HTTP service functions include user login, call number filling, call control, and information display interface.
  • the CTD WS communicates with the CTD AS for inter-server communication.
  • the transport layer uses the Transfer Control Protocol (TCP).
  • TCP Transfer Control Protocol
  • the application layer protocol can be selected by the Extensible Markup Language (XML) according to specific needs.
  • XML Extensible Markup Language
  • CTD AS CTD Application Server
  • the underlying CTD service capabilities provided by the CTD AS such as call control, status reporting, and bill generation.
  • MRS Media Resource Server
  • MRS is generally implemented through a Media Server (MS).
  • the voice media capabilities provided by MRS are voice media other than call voice, such as ringing tones, waiting tones, prompts, and voice menus.
  • the user terminal (UE) is used for the user to use the call.
  • the specific call terminal includes one or more of a fixed telephone, a mobile phone or a professional video call terminal.
  • the CTD AS communicates with the MRS or the UE for the media of the call.
  • the CTD AS communicates with the UE through the Session Initiation Protocol (SIP) through the core network.
  • SIP Session Initiation Protocol
  • the SIP or Media Gateway Control Protocol is usually used between the CTD AS and the MRS.
  • Media Gate Control Protocol, MGCP depends on the type of protocol supported by MRS.
  • call waiting service has appeared in the traditional call service, and the process thereof is as shown in FIG. 2, including the following steps:
  • a user A is in the process of talking with the user B, and another user C calls the user A;
  • the CTD service determines whether user A causes user C to wait, if yes, the next step is performed, otherwise step 140 is performed;
  • the CTD service notifies the user C to wait, and plays a call waiting tone to it; then ends the process;
  • User A can make user C wait on the operation interface of the call waiting service on his telephone terminal and then talk to him later.
  • the CTD service keeps user B, user A answers user C; ends the process.
  • User A can also perform call hold processing on the operation interface on his telephone terminal, that is, user B keeps and listens to user C.
  • the terminal that needs the user's call has the capability, that is, the operation interface supporting the call waiting service. Not all terminals have this capability, and the telephone terminal that the user needs to use has certain hardware and software functions.
  • the technical problem to be solved by the present invention is to provide a method and system for implementing call waiting in a click-to-dial service to fill the gap of the call waiting function in the CTD service.
  • the present invention provides a method for implementing call waiting in a click-to-dial (CTD) service, involving a first terminal in a call state and a second terminal in a new call in the CTD service; :
  • the second terminal sends a call request message to the first terminal through the CTD application server (CTD AS), and the CTD AS notifies the CTD web server (CTD WS) that there is a new call access;
  • CTD AS CTD application server
  • CTD WS CTD web server
  • the first terminal causes the second terminal to wait for a call, and sends a call waiting message to the CTD AS through the CTD WS;
  • the CTD AS notifies the second terminal that it is in the called connection, and controls the Media Resource Server (MRS) to play the call waiting tone to the second terminal.
  • MRS Media Resource Server
  • the second terminal In the step of the second terminal sending a call request message to the first terminal, the second terminal passes the CTD
  • the signaling interaction of the AS sends a call request message to the first terminal, including:
  • the second terminal sends a call request message to the first terminal, where the call request message carries the media information of the second terminal, and the call request message passes through the CTD AS;
  • the CTD AS sends a response message to the second terminal indicating that the call request message has been received.
  • the step of the first terminal sending a call waiting request message to the CTD AS by using the CTD WS includes: the CTD WS performs signaling interaction with the CTD AS, and forwards the call waiting request message of the first terminal to the CTD AS, and receives Call waiting response message returned to the CTD AS.
  • the step of the CTD AS notifying that the second terminal is in the called connection, the CTD AS notifying that the second terminal is in the called connection by the signaling interaction with the second terminal, the method includes: the CTD AS sending the indication to the second terminal a message that is in the called connection, and receives a response message returned by the second terminal;
  • the CTD AS returns an acknowledgement message to the second terminal, and sends a response message to the second terminal, where the sent response message carries the media information of the MRS;
  • the second terminal returns a confirmation message to the CTD AS;
  • the CTD AS controls the MRS to play the call waiting tone to the second terminal by using the signaling interaction with the MRS, including:
  • the CTD AS sends a request message to the MRS that relies on playing a call waiting tone to the second terminal;
  • the MRS returns a response to the CTD AS for the request message for playing the call waiting tone to the second terminal, and returns a message containing the playback result to the CTD AS;
  • the CTD AS returns a response message to the MRS for the message containing the playback result.
  • the method also includes:
  • the CTD AS reports the current call waiting state of the second terminal to the CTD WS.
  • the present invention provides a system for implementing call waiting in a click-to-dial (CTD) service, comprising: a first terminal in a call state in a CTD service, a second terminal of a new call, and a CTD web server ( CTD WS), CTD Application Server (CTD AS) and Media Resource Server (MRS);
  • CTD click-to-dial
  • CTD WS CTD web server
  • CTD AS CTD Application Server
  • MRS Media Resource Server
  • the second terminal is configured to: send a call request message to the first terminal by using the CTD AS;
  • the CTD AS is configured to: notify the CTD WS that there is a new call access; after receiving the call waiting request message of the first terminal forwarded by the CTD WS, notify the second terminal that it is in the called connection, and simultaneously control the MRS to play to the second terminal.
  • Call waiting tone
  • the first terminal is configured to: send a call waiting request message to the CTD AS through the CTD WS after waiting for the second terminal to wait;
  • the CTD WS is set to: After receiving the new call access notification of the CTD AS, forward the call waiting request sent by the first terminal to the CTD AS.
  • the second terminal is further configured to: the call request message sent to the first terminal carries the media information of the second terminal, where the call request message passes through the CTD AS;
  • the CTD AS is further configured to: after receiving the call request message, send a response message indicating that the call request message has been received to the second terminal.
  • the CTD WS is configured to: perform signaling interaction with the CTD AS, forward the call waiting request message of the first terminal to the CTD AS, and receive a call waiting response message returned by the CTD AS.
  • CTD AS is set to:
  • the CTD WS is further configured to: obtain the current call waiting state of the second terminal by reporting the CTD AS.
  • the present invention also provides a CTD Application Server (CTD AS) for implementing call waiting in a click-to-dial (CTD) service, relating to a first terminal in a call state and a second terminal in a new call in the CTD service;
  • CTD AS CTD Application Server
  • CTD click-to-dial
  • the CTD AS is configured to: notify the CTD Web server (CTD WS) that there is a new call access; after receiving the call waiting request message of the first terminal forwarded by the CTD WS, notify the second terminal that the second terminal is in the called connection At the same time, the media resource server (MRS) is controlled to play a call waiting tone to the second terminal.
  • CTD WS CTD Web server
  • MRS media resource server
  • the CTD AS is further configured to: after receiving the call request message, send a response message indicating that the call request message has been received to the second terminal; where the second terminal carries the call request message sent by the first terminal Media information of the second terminal.
  • the CTD AS is set to:
  • the method and system for implementing call waiting service in the CTD service provided by the present invention fills the blank of the call waiting function in the CTD service, so that the CTD service can adapt to the rapid development of the intelligent network communication system.
  • FIG. 1 is a main network element structure diagram of a network system for implementing a CTD service
  • FIG. 2 is a flow chart of a conventional call waiting method in a conventional call service
  • FIG. 3 is a flowchart of an embodiment of a call waiting method in a click-to-dial service according to the present invention
  • FIG. 4 is a specific signaling interaction flowchart of the method embodiment shown in FIG. Preferred embodiment of the invention.
  • the flow of the method for implementing a call waiting method in a click-to-dial service includes the following steps:
  • the UE-C sends a call request message to the UE-A through the CTD AS.
  • the UE-C sends a call request message to the UE-A by performing signaling interaction with the CTD AS, where the message carries the media information of the UE-C.
  • the CTD AS notifies the CTD WS that there is a new call access
  • the called UE-A causes the UE-C call to wait, and sends a call waiting request to the CTD AS through the CTD WS;
  • the CTD AS notifies the new call to access and receive the call waiting request of UE-A through the signaling interaction with the CTD WS.
  • the CTD AS notifies that the UE-C is in the called connection, and controls the MRS to play the call waiting tone to the UE-C;
  • the CTD AS notifies the UE-C that it is currently in the called connection by performing signaling interaction with the UE-C.
  • the MRS is controlled to create a session for the playback operation and play the call to the UE-C through the session. Wait for a notification tone or ringback tone.
  • the CTD AS reports the current state of the UE-C to the CTD WS.
  • FIG. 4 is a specific signaling interaction process of the method embodiment shown in FIG. 3, wherein the numbers are as follows:
  • the A number indicates the signaling interaction between the CTD WS and the CTD AS.
  • the B number indicates the signaling interaction between the CTD AS and the MRS.
  • the C number indicates the signaling interaction between the CTD AS and the UE-C.
  • the above signaling interaction process includes:
  • Step C1 The UE-C sends an Invite message to the UE-A to request a call with the UE-A.
  • the message passes through the CTD AS, and carries the media information of the UE-C.
  • Step A1 The CTD AS notifies the CTD WS that there is currently a new call access
  • Step A2 The called UE-A causes the UE-C to wait for a call, and sends a call waiting request to the CTD AS through the CTD WS;
  • Step A3 The CTD AS returns a call waiting response message
  • Step B1 The CTD AS sends an Invite SIP message to the MRS to create a session for the playback operation.
  • the MRS returns a 200 OK response message to the CTD AS, and carries the MRS media message.
  • Step B3 the CTD AS returns an ACK confirmation message.
  • Step C3 the CTD AS returns 180 Ringing to the UE-C, indicating that it is in the called connection; Step C4, the UE-C returns a 180 PRACK response message to the CTD AS;
  • Step C5 the CTD AS returns a 200 PRACK confirmation message
  • Step C6 The CTD AS sends a 200 OK response message to the UE-C, where the message carries the MRS media information.
  • Step C7 UE-C returns an ACK acknowledgement message
  • Step B4 The CTD AS sends an INFO message to the MRS, requesting to play a call waiting notification tone or a ringback tone to the UE-C;
  • Step B5 the MRS returns a 200 OK response message of the INFO
  • Step B6 the MRS returns an INFO message containing the playback result to the CTD AS;
  • Step B7 the CTD AS returns a 200 OK response message of the INFO
  • Step A4 The CTD AS reports to the CTD WS that the current state of the UE-C is call waiting.
  • the present invention further provides an embodiment of implementing a call waiting system in a click-to-dial service, the system comprising a new calling user terminal UE-C, CTD AS. CTD WS and MRS, wherein:
  • UE-C used to make one of the two call users during the call, through the CTD AS Calling the user UE-A to send a call request message;
  • the UE-C sends a call request message to the UE-A by performing signaling interaction with the CTD AS, and the message carries the media information of the UE-C.
  • the CTD AS is configured to notify the CTD WS that there is a new call access, and after receiving the call waiting request of the UE-A forwarded by the CTD WS, notify the UE-C that it is in the called connection, and control the MRS to play the call to the UE-C. Waiting for the tone, and reporting the current state of the UE-C to the CTD WS;
  • the CTD WS is configured to forward the call waiting request sent by the UE-A to the CTD AS after receiving the new call access notification of the CTD AS, and obtain the current call waiting state of the UE-C through the CTD AS.
  • the method and system for implementing call waiting service in the CTD service provided by the present invention fills the blank of the call waiting function in the CTD service, so that the CTD service can adapt to the rapid development of the intelligent network communication system.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Telephonic Communication Services (AREA)

Abstract

La présente invention se rapporte à un procédé, à un système et à un serveur d'applications adaptés pour réaliser la mise en attente d'un appel dans un service « click to dial » (CTD). Un premier terminal qui est dans un état d'appel et un deuxième terminal qui est dans un état de nouvel appel dans le service CTD sont impliqués. Le procédé selon l'invention comprend les étapes suivantes : le deuxième terminal envoie un message de demande d'appel au premier terminal via un serveur d'applications CTD (SA CTD) ; le SA CTD informe un serveur Web CTD (SW CTD) qu'une tentative d'accès d'un nouvel appel est en cours ; le premier terminal commande au deuxième terminal d'exécuter une mise en attente de l'appel et envoie un message de demande de mise en attente d'un appel au SA CTD via le SW CTD ; ensuite, le SA CTD informe le deuxième terminal qu'il est dans une connexion appelée et il commande à un serveur de ressources multimédia (MRS) d'émettre une tonalité de mise en attente d'un appel à l'intention du deuxième terminal simultanément. Le procédé selon l'invention comble l'absence de la fonction de mise en attente d'un appel dans le service CTD. Ceci permet au service CTD de s'adapter aux exigences d'un système de communication dans un réseau intelligent.
PCT/CN2010/077184 2010-06-08 2010-09-21 Procédé, système et serveur d'applications adaptés pour réaliser la mise en attente d'un appel dans un service « click to dial » WO2011153753A1 (fr)

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CN201010197019A CN101860542A (zh) 2010-06-08 2010-06-08 一种在点击拨号业务中实现呼叫等待的方法及系统
CN201010197019.1 2010-06-08

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CN102255738A (zh) * 2011-07-21 2011-11-23 中兴通讯股份有限公司 一种点击拨号业务中实现广播组呼的方法和系统
CN102664863B (zh) * 2011-12-20 2015-05-20 中兴通讯股份有限公司 终端实现呼叫等待的方法、装置和系统
CN107567001A (zh) * 2016-06-30 2018-01-09 中兴通讯股份有限公司 一种实现呼叫驻留的方法、应用服务器和系统

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