WO2009079833A1 - Procédé de mise en oeuvre d'une signalisation pour ligne de rappel à canal associé dans le réseau de prochaine génération - Google Patents

Procédé de mise en oeuvre d'une signalisation pour ligne de rappel à canal associé dans le réseau de prochaine génération Download PDF

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Publication number
WO2009079833A1
WO2009079833A1 PCT/CN2007/003657 CN2007003657W WO2009079833A1 WO 2009079833 A1 WO2009079833 A1 WO 2009079833A1 CN 2007003657 W CN2007003657 W CN 2007003657W WO 2009079833 A1 WO2009079833 A1 WO 2009079833A1
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WO
WIPO (PCT)
Prior art keywords
calling
user
gateway
called
softswitch
Prior art date
Application number
PCT/CN2007/003657
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English (en)
Chinese (zh)
Inventor
Sanxing Ren
Original Assignee
Zte Corporation
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 Zte Corporation filed Critical Zte Corporation
Priority to PCT/CN2007/003657 priority Critical patent/WO2009079833A1/fr
Priority to CN200780051959.6A priority patent/CN101622855B/zh
Publication of WO2009079833A1 publication Critical patent/WO2009079833A1/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
    • H04L65/1069—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
    • H04L65/1096—Supplementary features, e.g. call forwarding or call holding

Definitions

  • the present invention relates to the field of NGN (Ex-Generation Network) networks, and in particular, to a method for implementing inter-office re-ringing line signaling under the cooperation of a softswitch and a gateway.
  • NGN Extra Network
  • the so-called channel-to-path signaling is an inter-exchange signaling, that is, transmitting voice information and corresponding signaling on the same path, and the control signal required for the voice channel is fixedly connected to the voice channel itself. Signaling path to pass.
  • the channel-dependent signaling consists of two parts: line signaling and register signaling: Line signaling mainly transmits the contents of occupation, response, and disconnection of some related trunks; the signaling of the register is passed through two exchanges.
  • the main function of the transceiver is to transfer the address information.
  • Figure 1 is the basic interaction flow of inter-office signaling in the PSTN, where 1, 2, 9 and 10 are line signaling, and 3, 4, 5, 6, 7 and 8 are register signaling.
  • the softswitch SS defines a series of packets through the H.248 protocol, and defines an event and a signal in the packet to control the media gateway MG to implement signaling of the associated signaling. Interaction.
  • the packet is used to define the related operations on the endpoint of the path type.
  • the event in the packet is used to define a series of softswitch SSs that require the associated signaling of the media gateway MG (MediaGate).
  • the signals in the packet are used to define a series of soft The exchange of SS requires the associated signaling from the media gateway.
  • H.248 packets include icas, bcas, and r2 packets, etc., where the bcas package defines events and signals such as occupancy (sz), occupancy verification (sza), and off-hook (ans) to implement detection of these associated signals. And report softswitch SS; icas package defines forward hang-up (cf), backward hang-up (cb) and called state (sis) and other events and signals, to achieve the issuance of these associated signaling and report soft exchange SS; The register related events and signals (addr) are defined in the r2 package.
  • the softswitch notifies the gateway B where the called user is located to detect the forward occupancy event (bcas/sz); 202: the softswitch notifies the calling party where the gateway A detects the forward occupancy event (bcas/sz); 203: the gateway A is soft Exchange reporting forward occupancy events ( bcas/sz );
  • the softswitch notifies the gateway that A sends an occupation confirmation signal (bcas/sza) and notifies the gateway A detection number (r2/r2addr);
  • Softswitch notifies the gateway A to create a calling call context
  • Softswitch notifies the gateway B to create a called call context
  • the softswitch notifies the gateway B to send the occupancy signal (bcas/sz), and detects the occupation confirmation event (bcas/sza);
  • the gateway B reports the occupation confirmation event (bcas/sza) to the softswitch;
  • the softswitch notifies the gateway B to send the number (r2/r2addr), and detects the off-hook event (bcas/ans) and the idle event (icas/sls);
  • Gateway B reports an idle signal (icas/sls) to the softswitch
  • the softswitch notifies the gateway that A sends the called idle signal (icas/sls);
  • the gateway B reports the off-hook (bcas/ans) to the softswitch;
  • Softswitch notifies gateway A to detect on-hook ( icas/cb, icas/cf );
  • Softswitch informs the gateway B to detect the GUI (icas/cb, icas/cf);
  • the attendant can re-call the called party by ringing the inter-office signal after the called party hangs up.
  • the exchange office 1 is the exchange office where the calling operator is located
  • the exchange office 2 is the exchange office where the called user is located.
  • the interfacing in the PSTN does not require the intervention of the media gateway control protocol H.248, which can be accomplished by a re-ringing line signaling.
  • the technical problem to be solved by the present invention is to provide a method for implementing re-ringing line signaling between a softswitch SS and a media gateway MG in an NGN network.
  • the present invention provides a method for implementing re-ringing line signaling in a next-generation network, the specific steps including: defining a re-ringing event and signal between the calling user and the called user After the call is established by the associated signaling, if the called user hangs up, the softswitch notifies the calling gateway to detect the re-ringing event. If the calling user wants to talk to the called user again, the calling gateway detects the re-vibration. After the ring signal, the re-ringing event is reported to the softswitch, and the softswitch then notifies the called gateway to send a re-ringing signal. After the called user rings, if the called user picks up the phone, the calling user and the called user talk again. .
  • the foregoing method may further have the following feature: the calling user is a calling operator or a general user.
  • the above method may also have the following features: the re-ringing event and signal are defined in an existing defined packet or a newly defined packet in the H.248 protocol.
  • the above method may also have the following features:
  • the re-ringing event and signal are defined in a bcas packet in the H.248 protocol.
  • the foregoing method may further have the following features, where the method specifically includes the following steps:
  • the calling gateway If the calling user needs to talk to the called user again, the calling gateway detects the re-ringing signal of the calling user, and reports the re-ringing event to the softswitch;
  • the softswitch After receiving the re-ringing event reported by the calling gateway, the softswitch notifies the called gateway to send a re-ringing signal to the called user, so that the called user rings again, and notifies the called gateway to detect that the called user picks up the phone. Event
  • the called gateway reports the detected off-hook event of the called user to the softswitch.
  • 406 The softswitch notifies the called gateway to detect the called user's on-hook event
  • 407 The softswitch notifies the calling gateway to detect the on-call event of the calling user, and the calling user and the called user enter the call.
  • the invention provides a method for realizing the re-ringing signal signaling of the associated channel in the NGN network, and realizes the detection, reporting and re-ringing of the re-ringing event in the NGN network by extending the H.248 protocol. Signal transmission.
  • FIG. 1 is a basic interaction process of inter-office signaling in an existing PSTN
  • FIG. 2 is a schematic diagram of a signaling interaction process for implementing associated signaling through the H.248 protocol in an existing NGN network
  • FIG. 3 is a flow chart of the caller's re-ringing signaling interaction after the called party hangs up in the PSTN;
  • FIG. 4 is a caller after the called party hangs up after the soft-switch and the gateway adopt the H.248 protocol in the NGN network of the present invention; Re-ringing signaling interaction flow chart.
  • the bcas package is still used to implement the endpoint operation of the associated type. Add a re-ringing event and signal to the bcas package, defined as rering, then:
  • the softswitch notifies the calling gateway that the called party is on-hook, and detects the primary Calling the user to re-ring the event (bcas/rering). If the calling user wants to talk to the called user again, the calling gateway detects the calling party's re-ringing signal and reports the re-ringing event to the softswitch (bcas). /rering ), the softswitch notifies the called gateway to send a re-ringing signal (bcas/rering), and the called user rings. If the called user picks up the phone, the calling user and the called user talk again.
  • gateway B After the call, the called user hangs up, and gateway B detects the called hang-up signal and then soft-switches. Reporting the called user's on-hook signal;
  • the softswitch notifies the gateway that A sends the called on-hook signal (icas/cb), and notifies the gateway A to detect the re-ringing event (bcas/rering);
  • the calling operator is a kind of calling user.
  • the calling user has a wider range of users, including various users.
  • the ringing signal is usually between the operator and the ordinary user. Of course, it is not limited to the operator. It can be other general users. . An operator is used here to illustrate this embodiment.
  • the gateway A After detecting the re-ringing signal of the calling operator, the gateway A reports a re-ringing event (bcas/rering) to the softswitch;
  • the softswitch After the softswitch receives the re-ringing event reported by the gateway A, the softswitch notifies the gateway B to send a re-ringing signal (bcas/rering), so that the called user rings again, and notifies the gateway B to detect that the called user picks up the phone. Event ( bcas/ans );
  • the gateway B After detecting that the called user picks up the phone, the gateway B reports the called user off-hook ( bcas/ans ) to the softswitch;
  • the softswitch notifies the gateway B to detect the called user's on-hook event (icas/cb, icas/cf);
  • the softswitch notifies the gateway A to detect the caller's on-hook event (icas/cb, icas/cf), and the calling operator and the called party enter the call.
  • the above re-ringing events and signals may also be implemented by using other existing packages or newly defined packages instead of the bcas package.
  • the newly defined package is used, the rules for compliance by the two parties are increased by one package.
  • the package is mainly convenient to implement.
  • the invention can realize the application of the caller re-ringing line signal in the NGN network, and realize the detection, reporting and re-ringing of the re-ringing event by extending the related content of the associated channel signaling in the H.248 protocol. Signal transmission.

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

Abstract

Procédé de mise en oeuvre d'une signalisation pour ligne de rappel à canal associé dans le réseau de prochaine génération incluant les opérations suivantes: définition d'un événement et d'un signal de rappel après établissement d'un appel et échange entre un utilisateur appelant et un utilisateur appelé via une signalisation de canal associé. Si l'utilisateur appelé raccroche, le commutateur logiciel invite la passerelle appelante à détecter un événement de rappel au cas où l'utilisateur appelant souhaiterait s'entretenir de nouveau avec l'utilisateur appelé. Lorsqu'elle a détecté un signal de rappel, la passerelle appelante signale l'événement de rappel au commutateur logiciel, lequel demande à la passerelle d'envoyer un nouveau signal de rappel après que l'utilisateur appelé a appelé et si l'utilisateur appelé décroche, l'utilisateur appelant peut parler à l'utilisateur appelé.
PCT/CN2007/003657 2007-12-18 2007-12-18 Procédé de mise en oeuvre d'une signalisation pour ligne de rappel à canal associé dans le réseau de prochaine génération WO2009079833A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
PCT/CN2007/003657 WO2009079833A1 (fr) 2007-12-18 2007-12-18 Procédé de mise en oeuvre d'une signalisation pour ligne de rappel à canal associé dans le réseau de prochaine génération
CN200780051959.6A CN101622855B (zh) 2007-12-18 2007-12-18 一种在下一代网络中实现随路再振铃线路信令的方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2007/003657 WO2009079833A1 (fr) 2007-12-18 2007-12-18 Procédé de mise en oeuvre d'une signalisation pour ligne de rappel à canal associé dans le réseau de prochaine génération

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WO2009079833A1 true WO2009079833A1 (fr) 2009-07-02

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20030076815A1 (en) * 2001-10-19 2003-04-24 Miller Frank William Voice over IP architecture
CN1889702A (zh) * 2005-06-27 2007-01-03 华为技术有限公司 一种随路信令的适配方法及通信系统
CN1897622A (zh) * 2005-07-14 2007-01-17 中兴通讯股份有限公司 一种检测及释放媒体网关异常实时传输协议资源的方法
CN101056282A (zh) * 2006-06-20 2007-10-17 华为技术有限公司 随路信令在h.248分离架构下的实现方法、设备及系统

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100421529C (zh) * 2006-02-16 2008-09-24 华为技术有限公司 一种呼叫释放控制系统及其方法

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20030076815A1 (en) * 2001-10-19 2003-04-24 Miller Frank William Voice over IP architecture
CN1889702A (zh) * 2005-06-27 2007-01-03 华为技术有限公司 一种随路信令的适配方法及通信系统
CN1897622A (zh) * 2005-07-14 2007-01-17 中兴通讯股份有限公司 一种检测及释放媒体网关异常实时传输协议资源的方法
CN101056282A (zh) * 2006-06-20 2007-10-17 华为技术有限公司 随路信令在h.248分离架构下的实现方法、设备及系统

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CN101622855B (zh) 2011-11-16
CN101622855A (zh) 2010-01-06

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