WO2007006219A1 - Procédé de réalisation d’appel à plusieurs abonnés - Google Patents

Procédé de réalisation d’appel à plusieurs abonnés Download PDF

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Publication number
WO2007006219A1
WO2007006219A1 PCT/CN2006/001611 CN2006001611W WO2007006219A1 WO 2007006219 A1 WO2007006219 A1 WO 2007006219A1 CN 2006001611 W CN2006001611 W CN 2006001611W WO 2007006219 A1 WO2007006219 A1 WO 2007006219A1
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WO
WIPO (PCT)
Prior art keywords
address
additional
indicator
call
called
Prior art date
Application number
PCT/CN2006/001611
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English (en)
Chinese (zh)
Inventor
Feng Wang
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 WO2007006219A1 publication Critical patent/WO2007006219A1/fr

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M3/00—Automatic or semi-automatic exchanges
    • H04M3/42—Systems providing special services or facilities to subscribers
    • H04M3/56—Arrangements for connecting several subscribers to a common circuit, i.e. affording conference facilities

Definitions

  • the present invention relates to the field of communications technologies, and in particular, to a method for implementing a multiparty call. Background technique
  • the communication network such as Next Generation Network (NGN) and intelligent network is a network system that can provide new services quickly, economically and flexibly.
  • NTN Next Generation Network
  • the advantage is that the management of business, user data and the control of business logic are concentrated. Use the business on a larger scale.
  • each functional entity of the communication network needs to exchange information flows, that is, according to corresponding communication application procedures, such as Intelligent Network Application Protocol (INAP), the information flow is transmitted between the network functional entities.
  • INAP Intelligent Network Application Protocol
  • the relevant information flow is abstracted into operational or operational results.
  • ITU-T Intelligent Network Application Capability Set CS1 Capability Set 1
  • Phase 2 ITU-T Intelligent Network Application Capability Set CS2 (Capability Set 2) standard mainly studies the inter-network interconnection of the intelligent network as well as the inter-network service, mobile service and multi-party call service.
  • the application of CS-1 INAP is limited between SSP and SCP, between SCP and SDP and between SCP and IP (the corresponding signaling information, such as ISUP) is used between SSP and IP, and CS-2 is provided.
  • the inter-network service so its application scope is further expanded compared with CS-1, which increases the information exchange between SCP and SCP.
  • the intelligent network application procedure in which the CONNECT operation is a connection operation sent by a Service Control Point (SCP) to a Service Switching Point (SSP).
  • SCP Service Control Point
  • SSP Service Switching Point
  • the intelligent network application procedure is the first standardization stage of the intelligent network, wherein the capability set CS refers to a certain type of specific network capability in the intelligent network application procedure, such that A connection operation only contains a destination routing address. Therefore, the SSP can only initiate a call to a destination address when it receives a connection operation sent by the SCP, but cannot send multiple different destination addresses according to the SCP indication. At the same time initiate a call.
  • the intelligent network application procedure capability set CS2 in the second standardization phase of the intelligent network, multiple related operations can be used to implement the function of multi-party calling.
  • this implementation requires both SCP and SSP to support the intelligent network application procedure capability set 2.
  • the technical requirements for the entire intelligent network system networking are high, the call flow operation is complicated, and the service implementation is difficult.
  • a call can be initiated simultaneously for a plurality of called numbers (destination routing addresses), and the business process is simple and easy to implement.
  • a method for implementing a multiparty call according to the present invention includes:
  • the service control point delivers the operation to the service switching point, and the operation is provided with an additional number group, where the additional number group includes a plurality of additional called numbers, which are used to indicate the address of g when the call is initiated; the service switching point receives the After the operation, a call is initiated to the plurality of additional called numbers.
  • the method further comprises:
  • the operation is further provided with a co-oscillation delay parameter, which is used to indicate a call sequence of an additional called number and an inter-call delay when simultaneously initiating a plurality of calls, and the service switching point is according to the same vibration.
  • the delay parameter initiates a call to the plurality of additional called numbers.
  • a plurality of additional called numbers in the additional number group are identified or encoded.
  • Each of the plurality of additional called numbers includes all of its routing address information, and the entire routing address information includes the following parameters: number, numbering plan indication, internal network number indication, address property indication, parity indication, and parameter length and parameters necessary for encoding Code identification.
  • the method further comprises: sequentially encoding the plurality of additional called numbers, and when the additional called number is a system-defined called party number structure type, encoding the address property indicator when encoding .
  • the co-vibration delay parameter is matched with the non-response duration in the request to report the basic call state model event, to achieve simultaneous ringing, sequential ringing or delayed ringing.
  • the service switching point When the inter-call delay indicated by the co-vibration delay parameter is less than the non-response duration, the service switching point initiates a call to all the additional called numbers in turn according to the inter-call delay indicated by the co-vibration delay parameter.
  • the address property indicator in the application procedure is extended, in addition to multiple When the called number or the destination address is called, different call connection voice processing modes are adopted according to different address property indicators corresponding to each additional called number.
  • the mask notification tone attribute address attribute indicator is set to mean that the calling party blocks the recording notification of the address full message sent by the called end office corresponding to the additional called number corresponding to the indicator.
  • the CRBT attribute address property indicator is set to indicate that the ring tone ring platform plays the ring tone to the calling party, and the service switching point blocks the recording notification of the other attached called number.
  • the additional called number corresponding to the non-color ring tone attribute address attribute indicator is routed to the called party; after receiving the first address full message sent back by the called party, the additional corresponding to the color ring tone attribute address indicator Call the number to the ring tones platform;
  • the address full message is forwarded to the forward office to play the ring tones for the calling party.
  • a switch is set at the service switching point for controlling the processing of the additional called number.
  • the switch is turned on, the additional called number corresponding to the CRBT attribute address attribute indicator is performed according to the step. Processing; when the switch is turned off, the additional called number is not processed.
  • a timer for monitoring the ringback address of the CRBT platform is set at the service switching point, and after the service switching point sends the initial address message to the CRBT platform, the address returned by the CRBT platform is received within the time defined by the timer.
  • the additional called number corresponding to the CRBT attribute address shield indicator is processed accordingly; otherwise, the corresponding processing is not performed.
  • an extended address property indicator is set in the operation, the extended address property indicator being the original destination address indicator + extension, indicating that the service switching point directly connects the attached called number.
  • the method further comprises:
  • the service switching point determines whether the address attribute indicator increases the extension language
  • the service flag for preventing the repeated trigger is preset, and the extended address attribute indicator is subtracted from the extension language to restore the original address property indicator; otherwise, directly used The address nature indicator.
  • the step of determining whether the address attribute indicator increases the extension includes:
  • the present invention can be applied to a communication network such as an intelligent network or a Next Generation Network (NGN) by extending a related communication application procedure to implement a multi-party call.
  • a communication network such as an intelligent network or a Next Generation Network (NGN)
  • NTN Next Generation Network
  • Example ⁇ by extending the operations in the intelligent network application procedure (such as: CONNECT operation, ICA, Initiate Call Attempt operation, etc.), it is possible to initiate simultaneous calls to multiple parties on the basis of CS1, which greatly improves the call.
  • CONNECT operation such as: CONNECT operation, ICA, Initiate Call Attempt operation, etc.
  • CS1 Next Generation Network
  • Figure 1 is a flow diagram of an extension of a CONNECT operation in accordance with the present invention.
  • FIG. 2 is a flowchart of a method for implementing a multiparty call according to an embodiment of the present invention
  • FIG. 3 is a flowchart of processing of an SSP when there is a CRBT attribute address attribute indication in a CONNECT operation according to an embodiment of the present invention
  • Fig. 4 is a flow chart showing the processing when the SSP receives the address attribute indicator in the embodiment of the present invention.
  • the present invention can be applied to a communication network such as an intelligent network or a Next Generation Network (NGN) by a method for implementing a multi-party call through a communication application procedure.
  • a communication network such as an intelligent network or a Next Generation Network (NGN)
  • NTN Next Generation Network
  • the operations in the intelligent network application procedure (such as the CONNECT operation) are extended, so that multiple destination routing addresses (or additional called numbers) can be carried simultaneously in one operation. ), to support multi-party simultaneous calls.
  • the extension of the application procedure of the intelligent network is shown in Figure 1.
  • the specific process includes:
  • Step S101 setting parameters in the CONNECT operation: an additional number group and a coherent delay.
  • An example of its format and description is as follows:
  • Implied sequence (1) octet (range (2..16)) option
  • the additional number group is used to indicate the destination address when the call is initiated.
  • the additional number group can be either a single number (or destination routing address), such as an additional number; or a combination of multiple numbers (or destination routing addresses), such as an additional number + an attached called number 1 + additional Call number 2 + Attached called number 3 + Attached called number 4 +... + Attached called number n, which is used to indicate multiple destination addresses when initiating a multiparty call.
  • Each number is a sequence containing all routing address information of the number, and the total routing address information may include the following parameters: number, numbering plan indication, internal network number indication, address property indication, parity indication, and encoding necessary parameter length And parameter encoding identifiers and so on.
  • the coherent delay parameter is used to indicate the call sequence and inter-call delay of the attached called number (or destination routing address) when multiple calls are simultaneously initiated. This coherent delay parameter works equally for the same operation, such as all additional called numbers in the CONNECT operation.
  • the coherent delay parameter is sent to the SSP under the control of the SCP, and the SSP can initiate a call according to the call sequence of the attached called number and the inter-call delay.
  • the present invention can report the same call state model to the same time delay parameter and request report.
  • BCSM Basic Call State Model
  • the SSP simultaneously initiates a call to all called numbers, that is, simultaneous ringing (synchronous service); when the call with the same delay delay parameter indicates When the inter-delay and the non-response duration are the same, the SSP initiates a call to all the additional called numbers in the order of the call, that is, realizes the sequential ringing (synchronous service); when the inter-call delay indicated by the co-vibration delay parameter is less than no response During the duration, the SSP initiates a call to all the additional called numbers according to the inter-call delay indicated by the co-vibration delay parameter, that is, delay ringing (expansion service) is implemented.
  • Step S102 Encode the set parameter additional number group. If there is no additional called number in the additional number group, the entire "additional number" structure may not be encoded; if the additional number group includes a series of additional called numbers to which the call will be connected, the additional called number is encoded in order , the code can be started from the first attached called number until the nth additional called number.
  • the encoding method can adopt the encoding method of the ordinary destination routing address, for example, a code.
  • An example of its coding description is as follows:
  • the extension parameter is encoded as AA,
  • the additional number parameter is encoded as A0,
  • Additional called number 1 parameter is encoded as AO
  • the additional called number sent by the SCP to the SSP needs to be guaranteed to be a valid number, and if the attached called number belongs to the system-defined called party number structure type, the address nature indicator input by the service needs to be correctly encoded during encoding. For example, if the "called called end station recording notification function" is implemented by attaching the called number, the issued address attribute indicator should be filled in as 0x71H; the "color ring back tone function" needs to be implemented by attaching the called number. The delivered address attribute indicator should be filled in as 0x72H, otherwise the address attribute indicator is 0.
  • the extension of the application procedure of the intelligent network is used to implement the multi-party call
  • the additional number group is set in the corresponding operation, such as the CONNECT operation
  • the additional number group is encoded, wherein the additional number group includes a plurality of additional called numbers, Indicates the destination address when the call is initiated.
  • the co-vibration service is a typical service applied to the attached called number.
  • the SCP simultaneously delivers the called user number and its simultaneous ringing number in the CONNECT message.
  • the SSP receives the message. A call will be initiated to both numbers.
  • the additional number group encoding format in the CONNECT message of the ringing service is as follows:
  • Odd / even indicator code address signal is even
  • Internal network number indicator Allow routing to internal network number Numbering plan indicator: ISDN number plan
  • a multi-party implementation is implemented by extending an application procedure of an intelligent network, and the process thereof is as shown in FIG. 2,
  • Step 201 the SCP sends an extended CONNECT operation to the SSP, where
  • the CO vIECT operation contains an additional number group and a coherent delay parameter with a number of additional called numbers (or destination routing addresses), and the additional number groups have been encoded.
  • Step 202 After receiving the CONNECT operation, the SSP initiates a call to a plurality of additional called numbers (or destination routing addresses) according to the calling sequence of the called number and the inter-call delay indicated by the same-mode delay parameter.
  • the present invention may also extend the address property indicator on the basis of the address property indicator in the intelligent network application procedure, so that when calling a plurality of additional called numbers (or destination routing addresses) Different call connection voice processing modes may be adopted according to different address property indicators corresponding to each additional called number, and the call connects voices, such as various ring back tones.
  • An example of the extension of the address property indicator is as follows:
  • 0x71H Masking the notification tone attribute address attribute indicator, which is used to indicate to the calling party to block the address end message (ACM, Address Complete Message) of the called end office corresponding to the additional called number corresponding to the indication. Recording notice.
  • Step 301 First, the SSP routes the called party to the called party by using the additional called number (non-color ring number) corresponding to the non-color ringing attribute address attribute indicator.
  • the ACM After receiving the first ACM sent back by the called party (the non-hull ring number is processed in the same way, whether it is the same or the same), in step 302, the ACM is not sent to the forward station, but is corresponding to the color tone attribute address indication.
  • the attached called number (color ring number) is routed to the ring back tone platform.
  • Step 303 After the ring back tone platform sends back the ACM, the SSP forwards the ACM to the office, and gives the calling party a ring tone.
  • the SSP can set a switch, when the switch is turned on, according to the above process; when the switch is turned off, the additional called number (color ring number) corresponding to the color ring tone attribute address property indicator It is not processed, but is handled in the case of only other additional called numbers.
  • the SSP sets an independent timer for monitoring the ring back tone of the ring back tone platform.
  • IAM Initial Address Message
  • the SSP sends an initial address message (IAM, Initial Address Message) to the ring back tone platform, if the ACM is not received within the time defined by the timer,
  • the additional called number (color ring number) corresponding to the CRBT attribute address attribute indicator is processed, but is processed according to only other attached called numbers; otherwise, it is processed according to the above process.
  • Extension of address property plus 0x09 Address property indicator with extended address property, used to prevent repeated triggering of service calls.
  • the service is delivered (such as CONNECT operation), it is added on the basis of the original destination address nature indicator.
  • the extension 0x09 indicates that the SSP connection directly connects to the called number, and no longer triggers the intelligent service.
  • the range of the address property can be specified as follows: If the destination address property indicator is in the first range of 0 ⁇ 8, 0x70 ⁇ 0x77, it means that there is no base value 0x09; if the destination address property indicator is 0x09 - 0x11, 0x79 - 0x80 Within the second range, it means that the base value 0x09 is added. As shown in FIG. 4, when the SSP receives the address attribute indicator, it first determines whether the address attribute indicator increases the extension.
  • Step S401 determining whether the address attribute indicator is within the first range, and if it is within the first range, determining that the address attribute indicator does not add an extension, proceeding to step S404, directly using the address attribute indicator; otherwise, performing steps S402.
  • the SSP When the SSP receives multiple CONNECTed Called Numbers in the CONNECT operation sent by the SCP, the SSP processes the signaling sent back to the office and the BCSM events with multiple attached called numbers, regardless of whether there is a coherent delay parameter. as follows:
  • the SSP receives the first address full message sent back to the office, it sends an address full message to the forward station, and attaches the called number according to the CONNECT operation.
  • the address attribute indicator is a masked notification tone attribute address attribute indicator determines whether to mask the recording notification and sends a ringback tone, and other unsuccessful signaling is discarded and not processed; if the address full message signal is not received, the last will be The unsuccessful signaling is reported to the service control point through the basic call state model event.
  • the SSP receives the first address full message sent back to the office, it initiates a request to report the monitoring of the non-response duration in the BCSM event. If no response message is received when the non-response duration is reached, the service control point reports no. The BCSM event that is answered; if the CAUSE that failed the call is received when the non-response time is reached, the basic call state model event of the route failure is reported to the service control point.
  • the CONNECT operation of the intelligent network application procedure is taken as an example, and the method provided by the present invention is described by extending the intelligent network application procedure. As shown by those skilled in the art, these extensions are not limited to the CONNECT operation. It can also be used in other operations of the intelligent network (for example, starting an attempted call (ICA) operation, etc.). In addition, the extension of the application procedure of the intelligent network in the present invention may adopt other manners in the form of parameters, and is not limited to the manner enumerated in the above embodiments.

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

Abstract

L’invention concerne un procédé de réalisation d’appel à plusieurs abonnés, qui comprend les étapes suivantes: l’opération est transmise au SSP à partir du SCP (S201), l’opération règle le groupe de nombre additionnel et le paramètre de délai de sonnerie synchrone et encode le groupe de nombre additionnel ; dans cette opération, le groupe de nombre additionnel comprend plusieurs membres appelés additionnels utilisés pour indiquer l’adresse de destination pendant que l’appel à plusieurs abonnés est mis au point ; le paramètre de délai de sonnerie synchrone est utilisé pour indiquer la séquence d’appel des nombres appelés additionnels et le délai dans la durée d’appel quand un appel à plusieurs abonnés est effectué ; après la réception de l’opération, le SSP effectue l’appel auxdits nombres multiples d’appels additionnels selon la séquence d’appel des nombres appelés additionnels indiqués par le paramètre de délai de sonnerie synchrone et le délai dans la durée de l’appel (S202). La présente invention peut réaliser des appels à plusieurs abonnés de façon synchrone et améliorer la capacité d’appel de l’INAP. Elle permet en outre que le changement du réseau intelligent de sortie soit petit et que le processus de service soit simple et facile à réaliser.
PCT/CN2006/001611 2005-07-08 2006-07-07 Procédé de réalisation d’appel à plusieurs abonnés WO2007006219A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN2005100359142A CN1893677B (zh) 2005-07-08 2005-07-08 一种实现多方呼叫的方法
CN200510035914.2 2005-07-08

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WO2007006219A1 true WO2007006219A1 (fr) 2007-01-18

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CN101170429B (zh) * 2007-11-22 2011-10-26 中兴通讯股份有限公司 提高ip终端呼通率的方法
CN101547419B (zh) * 2009-04-30 2011-06-22 中兴通讯股份有限公司 一种实现智能用户作为灵活振铃业务的引导号码的方法
CN102480572B (zh) * 2010-11-24 2014-09-10 中兴通讯股份有限公司 多路呼叫业务的实现方法和多路呼叫业务系统
EP2645755B1 (fr) 2011-06-30 2016-08-17 Huawei Technologies Co., Ltd. Procédé, dispositif de commutation de réseau et terminal utilisateur pour fournir des services d'appel
CN103179534A (zh) * 2011-12-26 2013-06-26 中国移动通信集团北京有限公司 一种语音接续结果下发方法、设备和系统

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CN1494302A (zh) * 2002-10-28 2004-05-05 深圳市中兴通讯股份有限公司 一种在软交换系统中实现多方呼叫业务的方法
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