WO2007014525A1 - Procede d'etablissement d'une liaison entre le dispositif reseau et le terminal de reseau - Google Patents

Procede d'etablissement d'une liaison entre le dispositif reseau et le terminal de reseau Download PDF

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Publication number
WO2007014525A1
WO2007014525A1 PCT/CN2006/001925 CN2006001925W WO2007014525A1 WO 2007014525 A1 WO2007014525 A1 WO 2007014525A1 CN 2006001925 W CN2006001925 W CN 2006001925W WO 2007014525 A1 WO2007014525 A1 WO 2007014525A1
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WO
WIPO (PCT)
Prior art keywords
handshake
network terminal
network
call
network device
Prior art date
Application number
PCT/CN2006/001925
Other languages
English (en)
Chinese (zh)
Inventor
Wenxin Xia
Shengyu Liu
Original Assignee
Huawei Technologies Co. Ltd.
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
Publication date
Application filed by Huawei Technologies Co. Ltd. filed Critical Huawei Technologies Co. Ltd.
Publication of WO2007014525A1 publication Critical patent/WO2007014525A1/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
    • H04L65/1066—Session management
    • H04L65/1083—In-session procedures
    • 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
    • H04L65/80—Responding to QoS

Definitions

  • the present invention relates to the field of network communication technologies, and in particular, to a network device and a network terminal handshake method. Background technique
  • Call control information interaction between a network device and a network terminal typically occurs when a call is initiated, a call is connected, or a call is terminated.
  • PSTN Public Switched Telephone Network
  • the network device receives the off-hook or the flashing signal of the network terminal A from the interface C and performs corresponding processing;
  • the network device receives the dialing signal of the network terminal A from the interface C and performs corresponding processing;
  • the network device receives the on-hook signal of the network terminal A from the interface C and performs corresponding processing.
  • the network device provides a transparent channel for the network terminal.
  • the network device may send the calling number and the charging information to the network terminal A through the interface C.
  • the notification information such as voice prompting
  • the notification information sent by the network device is generally related to a specific service, such as the calling number display service during call waiting, the charging notification service during the call, etc., and is not used for call control, so that the network device cannot be in the call.
  • the identity and status of the network terminal are monitored, and problems that may occur during the call cannot be handled in time.
  • the network terminal is stolen, it is impossible to avoid the adverse consequences caused by signal loss when the call ends, for example, if the network terminal A When the call signal is lost when the call ends with the network terminal B, the network device cannot know that the call has ended, resulting in a problem of multiple billing.
  • the above problem also exists in the SoftSwitch network.
  • the media gateway controller MGW, Media Gateway Controller
  • the media gateway MG, Media Gateway
  • the media gateway controller and the media gateway and the network terminal still have no handshake mechanism for controlling the call during the call.
  • the technical problem to be solved by the present invention is to provide a method for implementing a handshake between a network device and a network terminal, so that the network device can monitor the identity and state of the network terminal in the call, and timely deal with problems that may occur during the call.
  • a method for implementing a handshake between a network device and a network terminal including:
  • the network device controls the call of the network terminal according to the handshake information and its transmission status.
  • the network device sends a handshake command to the network terminal; the network device maintains or releases the handshake response sent by the network terminal and whether the handshake response is correct according to the specified response time.
  • the call of the network terminal is not limited to the set handshake time.
  • the network terminal sets at least one handshake time during a call; at the set handshake time, the network terminal sends handshake information to the network device; the network device detects that the network terminal sends The handshake information is, and the call of the network terminal is kept or dried according to whether the handshake information sent by the network terminal and the handshake information are received correctly.
  • the network device detects whether the handshake message sent by the network terminal has been received; if the handshake message sent by the network terminal is not received, the call of the network terminal is released; if the handshake message sent by the network terminal is received, it is determined The handshake information received is correct; if received If the handshake information is correct, the call of the network terminal is maintained; otherwise, the call of the network terminal is released.
  • the network device is at least one of an end office device, a tandem office device, a long distance office device, a service control point device, and a service switching point device.
  • the network device is at least one of a switch, an access gateway, a softswitch, and a media gateway controller.
  • the handshake information is transformed by frequency shift keying modulation or dual tone multi-frequency mode, and then transmitted.
  • the handshake information is transmitted using User-User Signaling, Transmission Control Protocol/Internet Protocol or Media Gateway Control Protocol/Session Initiation Protocol.
  • the network terminal and the network device belong to one end office, or
  • the network terminal belongs to a peer office of the office where the network device is located.
  • the present invention realizes that the network device and the network terminal shake hands during the call, so that the network device can monitor the identity and state of the network terminal in the call in real time, and control the call of the network terminal according to the handshake result, and timely process the call.
  • the problem that arises because the network device handshaking with the network terminal during the call, the status information of the network terminal is recorded in real time, and the problem that the signal loss may be caused at the end of the call is also avoided.
  • FIG. 1 is a schematic diagram of a network device providing a transparent channel for a network terminal during a call according to the prior art
  • FIG. 2 is a schematic diagram of a handshake process between a network device and a network terminal during a call according to an embodiment of the present invention
  • 3 is a flowchart of implementing a handshake between a network device and a network terminal during a call according to an embodiment of the present invention
  • 4 is a flowchart showing the operation of a network terminal that implements a handshake between a network device and a network terminal during a call according to another embodiment of the present invention
  • FIG. 5 is a flowchart showing the operation of a network device for implementing a network device in a call and a network terminal to hold a hand according to another embodiment of the present invention
  • FIG. 6 is a schematic diagram of an implementation principle of a handshake between a central office device and a local network terminal according to the present invention
  • FIG. 7 is a schematic diagram showing an implementation principle of a handshake between a central office device and a network terminal in a call according to the present invention.
  • FIG. 8 is a schematic diagram showing an implementation principle of a handshake between a tandem office device and a network terminal in a call according to the present invention
  • FIG. 9 is a schematic diagram showing an implementation principle of a handshake between a service control point device in a call and a network terminal according to the present invention.
  • FIG. 10 is a schematic diagram showing an implementation principle of a handshake between a softswitch and a network terminal according to the present invention.
  • the handshake information includes a handshake command and a handshake response, and may further include other information for indicating the identity and status of the network terminal, real-time monitoring the identity and status of the network terminal in the call, and controlling, by the network device, the network terminal according to the handshake information and its transmission status.
  • the call state, the network device and the network terminal handshake in the call may further include other information for indicating the identity and status of the network terminal, real-time monitoring the identity and status of the network terminal in the call, and controlling, by the network device, the network terminal according to the handshake information and its transmission status.
  • Step 101 First, set at least one handshake time during the call and specify a response time in the network device;
  • Step 102 When the network terminal enters a call state, the network device starts the first time (T1);
  • Step 103 When the time reaches the first handshake moment, the network device sends a handshake command to the network terminal and starts a second timing (T2);
  • Step 104 Determine whether the network device receives the handshake response of the network terminal in the specified response time from the second timing. If the network device does not receive the handshake response of the network terminal within the specified response time, step 105 is performed. Otherwise, step 106 is performed;
  • Step 105 Deleting a call of the network terminal, releasing the call of the network terminal;
  • Step 106 Determine whether the handshake response is correct.
  • Step 107 If the handshake response is correct, the call of the network terminal is maintained; otherwise, step 105 is performed to release the call of the network terminal. This completes a handshake between the network device and the network terminal during the call.
  • the network device sets the multiple handshake time, the next time starts after the first handshake is completed, and the second handshake process is started until the time reaches the second handshake time, and the implementation process is first.
  • the second handshake process is the same, and the third, fourth... handshake process can be performed.
  • the network device can monitor the identity and status of the network terminal in the call, and control the call of the network terminal according to the handshake result, and timely handle problems that may occur during the call, and the network device can also record the status of the network terminal. , to avoid problems caused by signal loss at the end of the call.
  • the network device sends a handshake command
  • the network terminal sends a handshake response to implement the handshake between the network device and the network terminal
  • the network terminal can also actively report the identity to the network device by the network terminal at the set at least one handshake moment.
  • the handshake information of the information such as the status
  • the network device periodically checks the handshake information to realize the handshake between the network device and the network terminal during the call, and the working processes of the network terminal and the network device are respectively shown in FIG. 4 and FIG.
  • FIG. 4 is a flow chart showing the operation of a network terminal that implements a network device in a call and a network terminal to hold a hand according to another embodiment of the present invention, with reference to FIG.
  • Step 201 first setting at least one handshake moment in the network terminal
  • Step 202 When the network terminal enters the call state, the network terminal starts timing.
  • Step 203 When the network terminal reaches the first handshake moment, the network terminal sends the handshake information including the identity, status, and the like to the network device, and starts. At the next timing, steps 202 and 203 are executed cyclically until the last handshake time completes the last handshake or until the end of the call.
  • FIG. 5 is a flow chart showing the operation of a network device for implementing a handshake between a network device and a network terminal during a call according to another embodiment of the present invention, as shown in FIG. 5.
  • Step 301 The network device first sets a detection interval.
  • Step 302 when the network terminal enters the call state, the network device starts timing, reaches each detection time, and performs step 303;
  • Step 303 In the detection time, check whether the handshake message sent by the network terminal has been received. If the handshake message is not received, go to step 304; otherwise, go to step 305; Step 304, remove the call of the network terminal, and release the network terminal. Call
  • Step 305 it is determined whether the handshake information is correct, if the handshake information is correct, step 306 is performed; otherwise, step 304 is performed;
  • Step 306 Maintain a call of the network terminal; this also implements a handshake between the network device and the network terminal during the call.
  • the handshake between the network device and the network terminal during the call can be implemented in different ways according to needs.
  • the (DTMF, Dual Tone Multi-Frequency) method transforms the handshake information between the network device and the network terminal and transmits it.
  • User-User Signaling UUS
  • Transmission Control Protocol/Internet Protocol TCP/IP
  • Media Gateway Control Protocol/Session Initial Protocol MGCP/SIP, Media Gateway Control Protocol/Session Initiation Protocol
  • Handshake information between the transmitting network device and the network terminal.
  • the handshake between the network device and the network terminal may send the handshake information to the network device according to the co-terminal negotiated by the network device and the network terminal, and if the confirmation is confirmed, please reply the user (for example, please send A to 0000), and the user can pass the network terminal. Reply to the handshake information to confirm, or you can not reply.
  • the network device of the present invention may be an end office (LE) device (including a originating office device and a landing office device), a tandem office (MS) device, a long distance office device, or a service control point (SCP) through which the session passes.
  • L end office
  • MS tandem office
  • SCP service control point
  • SSP Service Swi Tching Point
  • the end office may be the originating office or the landing office.
  • the LE1 device sends a handshake command to the network terminal A through the interface 1, and receives the handshake response reported by the network terminal A.
  • the LE1 device controls whether to release the communication of the network terminal A according to the handshake result.
  • the handshake result refers to whether a handshake response is received within the specified response time and whether the handshake response is correct or the like.
  • the end office device can shake hands with the local network terminal, and the end office device LE1 shown in FIG. 6 shakes hands with the network terminal A. It is also possible to handshake with the peer network terminal, and the end office device LE2 shown in FIG. 7 handshakes with the network terminal A.
  • the MS device sends a handshake command to the network terminal A, and receives the handshake response reported by the network terminal A.
  • the MS device controls whether to release the call of the network terminal A according to the handshake result.
  • the handshake process between the gateway device and the network terminal is transparent to the end office devices (LE1, LE2), and the interface is transparent. 1 Pass the handshake command and the handshake response.
  • the intelligent network adopts a network system based on the service switching point SSP.
  • the service switching point SSP, the service control point SCP, and the service data point SDP are configured in the network.
  • Service Control Point SCP is the core component of intelligent network, and is the control point of business logic and data set in intelligent network.
  • the SSP is mainly responsible for call control and service switching. It can communicate with other functional entity systems to obtain additional information. It can also receive corresponding communication tasks through the SSP to the Service Control Point SCP and the Service Data Point SDP.
  • the in-call service control point device can be handshaked with the network terminal.
  • the SCP device and the network terminal A are shaken according to the method for implementing the handshake as described above.
  • the SCP device sends a handshake command to the service switching point (SSP, Service Switching). Point), the SSP sends a handshake command to the network terminal A.
  • the handshake response reported by the network terminal A is received by the SSP and then reported to the SCP device.
  • the SCP device controls whether to release the call of the network terminal A according to the handshake result.
  • the SCP device handshakes with the network terminal
  • the SSP needs to cooperate, but the end office device is also transparent. It also transmits the handshake command and handshake response through interface 1.
  • the Media Gateway Controller implements a handshake with the network terminal.
  • the related media gateway control device such as SoftSwitch
  • the access gateway AG completes the user access under the control of the relevant control device (such as SoftSwicth), and converts the service data into an information format that can be transmitted on the IP network, thereby realizing the function of the user accessing the IP network.
  • the handshake command sent by SoftSwitch is forwarded by the access gateway AG to the network terminal A via the IP network.
  • the handshake response of the network terminal A is sent to the SoftSwitch by the access gateway.
  • the SoftSwitch controls whether to release the call of network terminal A according to the handshake result.
  • the handshake command can also be initiated by the SCP (Service Control Point) or AS (Application Server) and control whether the call is released based on the handshake result.
  • SCP Service Control Point
  • AS Application Server
  • the network device in the foregoing embodiment such as an end office device, a tandem office device, and an SCP device, may be a switch (LE, Local Exchange) or an access gateway (AG, Access).
  • LE Local Exchange
  • AG Access
  • Next Switch Network devices such as SoftSwitch and Media Gateway Controller.
  • Softswitch is a next-generation voice and multimedia switching device based on IP technology, including call agent, call server or media gateway controller. It implements the functions of switching, service provision and management of traditional switches through software. Softswitch technology can be used to integrate Internet, wireless network, wired network and traditional circuit-switched network to realize voice, data, and Video services and multimedia communications.
  • the handshake between the softswitch SoftSwitch and the network terminal that is, the handshake command is initiated by the softswitch SoftSwitch, and the softswitch receives the handshake response reported by the network terminal A.
  • the softswitch SoftSwitch controls whether to release the call of network terminal A according to the handshake result.
  • the interface 1 in the above embodiment can be implemented by frequency shift keying, dual tone multi-frequency, user-user signaling (in the ISDN line), transmission control protocol/Internet protocol, or media gateway control protocol/session initialization protocol. , but not limited to these agreements.

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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)
  • Communication Control (AREA)
  • Telephonic Communication Services (AREA)

Abstract

L'invention concerne un procédé d'établissement d'une liaison entre le dispositif de réseau et le terminal de réseau lors d'un appel. Ce procédé consiste à déterminer au moins un moment d'établissement de liaison lors de l'appel ; à transférer les informations d'établissement de liaison entre le dispositif de réseau et le terminal de réseau audit moment d'établissement de liaison, ledit dispositif de réseau commandant l'appel dudit terminal de réseau selon les informations d'établissement d'appel et l'état de transmission. Le procédé de l'invention permet d'établir une liaison entre le dispositif de réseau et le terminal de réseau lors de l'appel, permet au dispositif de réseau de surveiller en temps réel l'identité et l'état du terminal de réseau lors de l'appel, de commander l'appel du terminal de réseau en fonction du résultat de l'établissement de liaison, de traiter en temps réel les problèmes survenant éventuellement lors de l'appel et d'empêcher également les problèmes dus à la perte du signal lorsque l'appel est terminé.
PCT/CN2006/001925 2005-08-03 2006-08-01 Procede d'etablissement d'une liaison entre le dispositif reseau et le terminal de reseau WO2007014525A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN200510036382.4 2005-08-03
CN200510036382.4A CN1893475B (zh) 2005-08-03 2005-08-03 通话中网络设备与网络终端握手的实现方法

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WO2013026186A1 (fr) * 2011-08-19 2013-02-28 华为技术有限公司 Procédé et appareil de transmission d'informations d'établissement de liaison
CN102957820B (zh) * 2011-08-19 2017-12-19 霍尼韦尔国际公司 用于在报警主机与接警机之间的自适应通信的方法
CN104184909B (zh) * 2014-09-09 2017-06-16 上海市共进通信技术有限公司 基于双音多频字符实现发送端与接收端语音同步的方法

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CN113727299B (zh) * 2021-07-15 2024-03-08 江铃汽车股份有限公司 一种握手认证方法、装置、可读存储介质及车辆

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