WO2014101436A1 - 一号双机关联呼叫方法、装置和应用服务器 - Google Patents

一号双机关联呼叫方法、装置和应用服务器 Download PDF

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Publication number
WO2014101436A1
WO2014101436A1 PCT/CN2013/081896 CN2013081896W WO2014101436A1 WO 2014101436 A1 WO2014101436 A1 WO 2014101436A1 CN 2013081896 W CN2013081896 W CN 2013081896W WO 2014101436 A1 WO2014101436 A1 WO 2014101436A1
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WO
WIPO (PCT)
Prior art keywords
terminal
call
media
calling
response information
Prior art date
Application number
PCT/CN2013/081896
Other languages
English (en)
French (fr)
Inventor
王均辉
Original Assignee
中兴通讯股份有限公司
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 中兴通讯股份有限公司 filed Critical 中兴通讯股份有限公司
Priority to US14/654,990 priority Critical patent/US9736299B2/en
Priority to EP13868077.2A priority patent/EP2938053B1/en
Priority to ES13868077T priority patent/ES2728261T3/es
Publication of WO2014101436A1 publication Critical patent/WO2014101436A1/zh

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Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M3/00Automatic or semi-automatic exchanges
    • H04M3/42Systems providing special services or facilities to subscribers
    • H04M3/42229Personal communication services, i.e. services related to one subscriber independent of his terminal and/or location
    • H04M3/42263Personal communication services, i.e. services related to one subscriber independent of his terminal and/or location where the same subscriber uses different terminals, i.e. nomadism
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00Arrangements for detecting or preventing errors in the information received
    • H04L1/12Arrangements for detecting or preventing errors in the information received by using return channel
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L65/00Network arrangements, protocols or services for supporting real-time applications in data packet communication
    • H04L65/10Architectures or entities
    • H04L65/1063Application servers providing network services
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L65/00Network arrangements, protocols or services for supporting real-time applications in data packet communication
    • H04L65/1066Session management
    • H04L65/1069Session establishment or de-establishment
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M1/00Substation equipment, e.g. for use by subscribers
    • H04M1/02Constructional features of telephone sets
    • H04M1/0202Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M1/00Substation equipment, e.g. for use by subscribers
    • H04M1/02Constructional features of telephone sets
    • H04M1/03Constructional features of telephone transmitters or receivers, e.g. telephone hand-sets
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M7/00Arrangements for interconnection between switching centres
    • H04M7/006Networks other than PSTN/ISDN providing telephone service, e.g. Voice over Internet Protocol (VoIP), including next generation networks with a packet-switched transport layer

Definitions

  • One-number two-machine service means that a user simultaneously uses a fixed telephone and a PHS (or mobile) terminal, and two terminals use one number in common.
  • the same number of fixed telephones and PHS can be used as the calling and called numbers independently, and communication between them is not affected.
  • both terminals may ring and ring simultaneously in the same mode.
  • the calling number it can be used independently, and the two terminals bundled can be dialed.
  • One of the numbers is the primary number and the other number is the secondary number.
  • the public announcement is a primary number. The user dials the primary number, and the "one-number two-machine" service calls the primary number and the secondary number according to certain rules.
  • the problem that occurs when the "one-number two-machine" service is busy is:
  • the user of fixed-line A signs the "one-number two-machine" service, its secondary number is PHS (or mobile phone) B, and its ringing mode is Same vibration.
  • User C dials the A number.
  • both B and B are in the "busy” state, user C can either hear the ringback tone and mistakenly believe that the called party is idle at this time; or hear no sound until one minute later. Hang up automatically.
  • the reason for this problem is: When the fixed line A is "busy”, it immediately returns 486 message, the application server AS can immediately know that the fixed line A is busy, and the PHS (or mobile phone) B is "busy" back.
  • the AS treats the called 183 message as an idle indication, as shown in Figure 1, when the AS receives the 183 message, it sends a 180 idle indication to the caller, which causes the caller to think that the called party is idle.
  • the caller does not hear any sound during the period between the calls back to 183 and 480 (without any prompts); if the AS treats 183 as "busy" Hang up the phone directly, then if the PHS (or mobile phone) B has opened the ring tones and other services, or the call progress prompts other than "busy", the called party is idle or may be idle, but because of the AS 183 When "busy" processing directly hangs up the phone, user C cannot talk to B.
  • the existing solution is to let the core network carry the Reason header field to the AS in the 183 message. The reason value is mapped according to the Q.850 protocol.
  • the embodiments of the present invention provide a method, an apparatus, and an application server for a two-machine association call, which can implement a one-number two-machine associated call, and further, does not require the core network to support reporting a 183 message with a standard cause value.
  • the status of the called terminal can be known accurately and quickly.
  • an embodiment of the present invention provides a first-number two-machine associated call method, which is used by an application server, and includes: receiving a call request of a calling two-machine terminal sent by a calling terminal; The two-machine terminal sends the call request; receives the first response information sent by the first terminal in the first-number two-terminal terminal to the call request; and determines whether the first response information satisfies the associated call condition; When the judgment result indicates that the first response information satisfies the associated call condition, the call request of the calling terminal is associated with the second terminal in the first two-terminal terminal.
  • the associated call condition specifically includes: the first response information is a call failure event that is not on-hook; and the application server does not receive the idle event returned by the first-number dual-machine terminal.
  • the method for calling the first two-machine associated call further includes: sending, to the first terminal, acknowledgement information confirming receipt of the first response information.
  • the first terminal is a fixed terminal; the second terminal is a mobile terminal.
  • the second terminal corresponding to the calling terminal of the first terminal is specifically: receiving the second response information sent by the second terminal to the call request; Transmitting the second response information to the calling terminal; Receiving an update media request sent by the calling terminal after receiving the second response information of the second terminal; and assisting the media server corresponding to the core network where the second terminal is located to perform media with the calling terminal according to the update request Negotiation.
  • the media server that assists the media server corresponding to the core network where the second terminal is located to perform media negotiation with the calling terminal according to the update media request is specifically: sending the update media request and carrying the calling media to the second terminal; a third response information of the second terminal to the update media request, where the media information of the media server is carried; and a call progress message is generated and sent to the calling terminal according to the third response information, where the call progress message is carried Media information of the media server.
  • an embodiment of the present invention further provides a No.
  • 1 dual-system associated call device which is used for an application server, and includes: a first receiving module, configured to receive a call sent by a calling terminal a first call sending module, configured to send the call request to the first two-terminal terminal; a first response information of the call request; a determining module, configured to determine whether the first response information satisfies an associated call condition; and an associated call module, configured to indicate, in the determining result, that the first response information meets an associated call condition association
  • the call of the calling terminal is requested to the second terminal of the one-number two-terminal terminal.
  • the associated call condition specifically includes: the first response information is a call failure event that is not on-hook; and the application server does not receive the idle event returned by the first-number dual-machine terminal.
  • the first two-machine associated call device further includes: an acknowledgement information sending module, configured to send, to the first terminal, a confirmation letter confirming receipt of the first response information
  • the first terminal is a fixed terminal; the second terminal is a mobile terminal.
  • the associated call module specifically includes: a third receiving module, configured to receive second response information sent by the second terminal to the call request; and a transparent transmission module, configured to transparently use the second response information
  • the fourth receiving module is configured to receive an update media request sent by the calling terminal after receiving the second response information of the second terminal, and the media negotiation module is configured to be updated according to the update The media request assists the media server corresponding to the core network where the second terminal is located to perform media negotiation with the calling terminal.
  • the media negotiation module specifically includes: a second sending module, configured to send the update media request and carry the calling media to the second terminal; and the fifth receiving module is configured to receive, by the second terminal, the update request The third response information, where the media information of the media server is carried; the call progress message sending module is configured to generate a call progress message and send the call progress message to the calling terminal according to the third response information, where the call progress message carries The media information of the media server.
  • an embodiment of the present invention provides an application server, including the one-number two-machine associated call device according to any one of the preceding claims.
  • the application server determines the first response information, and when the first response information satisfies the associated call condition, the call request of the calling terminal is associated with the second terminal in the first two-terminal terminal. .
  • the embodiment of the present invention implements the No. 1 dual-machine associated call, and further, the application server assists the calling terminal and the first according to the calling terminal according to the calling terminal and the second terminal of the No. 1 dual-machine terminal.
  • the media server corresponding to the core network of the second terminal completes the media negotiation, and does not need to support the core network to report the 183 message with the standard cause value, so that the status of the called terminal can be accurately and quickly known.
  • FIG. 1 is a flow chart of signaling No. 1 dual-machine signaling according to an embodiment of the present invention
  • FIG. 2 is a flow chart of another dual-number signaling signaling according to an embodiment of the present invention
  • 3 is a schematic structural diagram of a network element in an embodiment of the present invention
  • FIG. 4 is a schematic flowchart of a method for a two-machine association call in the embodiment of the present invention
  • FIG. 5 is a schematic flowchart of an implementation manner of an embodiment of the present invention
  • FIG. 7 is a schematic structural diagram of a dual-machine associated call device according to an embodiment of the present invention.
  • UE User terminal
  • a device that initiates a call, picks up a call, and performs other call operations, such as a C-network or G-network handset, a PSTN terminal, an IMS terminal, and the like.
  • the application server provides the underlying service capabilities, such as: call control, status reporting, and bill generation.
  • the MRS Media Server provides voice media capabilities, typically a Media Server (MS), such as playing a ringback tone to the calling party when the called party is idle.
  • MS Media Server
  • the protocols used by specific NEs are as follows:
  • the AS negotiates with the MRS or the UE for the media of the call.
  • the AS and the UE use the SIP protocol to communicate with each other.
  • the AS and the MRS usually use the SIP or MGCP protocol, which is determined by the protocol type supported by the MRS.
  • the media stream is transmitted between the UE and the MRS, the codec format of the UE and the MRS specific media packet, the transceiver port, the bandwidth transmission rate, etc., according to the media negotiation result between the terminal and the MRS according to the call, the media stream is performed. Transfer.
  • a first-number two-machine associated call method is provided, which is used for an application server. As shown in FIG.
  • the method includes: Step 41: Receive a call sent by a calling terminal to request a call of a dual-machine terminal Step 42: Send the call request to the first two-terminal terminal; Step 43: Receive first response information of the call request sent by the first terminal in the first-number two-terminal terminal; Step 44 Determining whether the first response information satisfies the associated call condition; Step 45, when the determination result indicates that the first response information satisfies the associated call condition, correlating the call request of the calling terminal to the first number double The second terminal in the machine terminal.
  • the application server simultaneously sends a call request of the calling terminal to the first-number dual-machine terminal, and first receives the first response information sent by the first terminal to the call request, where the first response information satisfies the association.
  • the call request of the calling terminal is directly associated with the second terminal in the first two-terminal terminal, that is, the calling party directly calls the second terminal.
  • the application server assists the media server corresponding to the core network where the second terminal is located to complete media negotiation, according to media negotiation.
  • the result is a media stream.
  • the embodiment of the present invention can implement the No. 1 dual-machine associated call.
  • the core network is required to report the 183 message with the standard cause value, so that the state of the called terminal can be accurately and quickly known.
  • An example is as follows:
  • the first terminal in the No. 1 dual-machine is A
  • the second terminal is B
  • the calling terminal C calls the No. 1 dual-machine terminal
  • the application server simultaneously sends the call request of the calling terminal C to the terminal A and B, receiving the first response information sent by the first terminal A to the call request.
  • the media stream is transmitted according to the result of the media negotiation. If the second terminal B subscribes to the services such as the CRBT and the call progress prompt, the calling terminal C can receive the media.
  • the related call condition specifically includes: The first response information is a call failure event that is not on-hook; and the application server does not receive an idle event returned by the first-number dual-machine terminal.
  • the method for the first-number two-machine associated call includes: sending, to the first terminal, acknowledgement information confirming receipt of the first response information. After the application server associates the call request of the calling terminal to the second terminal, the application server sends an acknowledgement message to the first terminal, and the call link from the calling terminal to the first terminal no longer exists.
  • the calling terminal directly dials the second terminal, so that the status of the called terminal can be accurately and quickly known.
  • the first terminal is a fixed-line terminal; and the second terminal is a mobile terminal. Since the response of the fixed call to the call request is faster, the application server first receives the first response of the first terminal, that is, the fixed terminal; meanwhile, when the fixed line is "busy", the 486 message is immediately returned, and the application server does not. The message will be regarded as idle or other instruction, and an erroneous judgment is made. Therefore, the first terminal, preferably, is a fixed-line terminal; and the second terminal, preferably, is a mobile terminal.
  • the step 45 includes: Step 451: Receive second response information that is sent by the second terminal to the call request.
  • Step 452 the second response information is transparent. Passing to the calling terminal;
  • Step 453 receiving an update media request sent by the calling terminal after receiving the second response information of the second terminal;
  • Step 454 assisting the second terminal according to the update media request
  • the media server corresponding to the core network performs media negotiation with the calling terminal.
  • the second terminal responds slowly to the response information of the mobile terminal, and after disconnecting the link with the first terminal, receives the second response information sent by the second terminal to the call request, and the application server directly transmits the second transparent response.
  • the second response message is sent to the calling terminal, and an update media request is sent to the second terminal, and the media server corresponding to the core network where the second terminal is located is assisted to perform media negotiation with the calling terminal, and the media stream is transmitted according to the result of the media negotiation.
  • the step 454 specifically includes: sending the update request to the second terminal; Receiving, by the second terminal, the third response information of the update request, where the media information of the media server is carried, and generating, according to the third response information, a call progress message, which is sent to the calling terminal, where the call progress message is sent. Carrying media information of the media server.
  • Step 501 the calling terminal C sends an INVITE request to the application server AS.
  • the requested number is the one-number dual-terminal terminal, wherein the first terminal is A, the second terminal is B, and the call request carries the media information of the calling terminal C.
  • the direction is sendrecvo.
  • Step 502 The application server AS sends an INVITE request to the first terminal A, and carries the media information of the calling terminal C, and the direction is sendonly.
  • Step 503 The application server AS sends an INVITE request to the second terminal B, and carries the media information of the calling terminal C, and the direction is sendonly.
  • the first terminal A returns a 486 busy response of the INVITE to the application server AS.
  • the second terminal B is associated with the calling terminal C.
  • the application server AS sends an ACK confirmation message to the first terminal A, and does not carry the media information.
  • the link to call the first terminal A has not existed since then.
  • Step 506 The second terminal B returns an 183+sdp response of the INVITE to the application server AS, and carries the media information of the MS in the direction of sendrecv.
  • Step 507 The application server AS sends a transparent transmission 183 message to the calling terminal C, and does not carry the media information.
  • Step 510 The application server AS sends a 183+sdp message to the C, and carries the media information of the MS.
  • the direction is sendrecvo.
  • the mediation between the calling terminal C and the MS has been completed, and the MS gives the calling terminal C a prompt tone of being called busy. .
  • the core network is required to support reporting the 183 message with the specification cause value, so that the status of the called terminal can be accurately and quickly known as "busy”.
  • step 511 the calling terminal C hears the prompt tone and immediately hangs up the call.
  • the calling terminal C sends a CANCEL message to the application server AS, and does not carry the media.
  • Step 512 The application server AS sends a CANCEL message to the second terminal B, and does not carry the media.
  • the application server AS sends a 200 OK response of the CANCEL to the calling terminal C, and does not carry the media information.
  • Step 514 The second terminal B sends a 200 OK response of the CANCEL to the application server AS, and does not carry the media information.
  • Step 515 The application server AS sends a final response to the INVITE request to the calling terminal C: 487 Request Cancelled, does not carry media.
  • Step 516 The second terminal B sends a final response of the INVITE request to the application server AS: 487 Request Cancelled, does not carry media.
  • step 517 the calling terminal C sends an ACK to the application server AS, and responds to 487.
  • step 518 the application server AS sends an ACK to the second terminal B, and in response to 487, the entire call ends.
  • the signaling process in the above example is implemented in steps, as shown in Figure 6.
  • Step 1 User A is a service user. The primary number to which he binds is the first terminal fixed line A, the secondary number is the second terminal PHS (or) mobile phone B, and user C is any user, dialing the primary number A, this When the first terminal A returns the response information, that is, the 486 message, the application server AS determines the current call information, and the judgment result indicates that the received response information is a non-on-hook call failure event.
  • the application server AS does not receive the idle 180 event. At this time, the AS immediately associates the calling C with the second terminal B. Step 3, the second terminal B returns the 183+sdp event, and the AS is already associated with the call according to C and B. The existing signaling, transparently transmitting 183 messages without media to the calling C; Step 4: The AS assists the B and C to complete the media negotiation according to the associated call. Step 5: On the core network side where the second terminal B is located, the calling number C is placed with the prompt number of the called number "busy"; Step 6. The calling number C hears the called "busy" tone and hangs up actively.
  • the embodiment of the present invention further provides a No.1 dual-system associated call device, which is used for an application server. As shown in FIG.
  • the method includes: a first receiving module, configured to receive a call of a calling terminal and a dual-machine terminal a first sending module, configured to send the call request to the first two-terminal terminal; and a second receiving module, configured to receive the call sent by the first terminal in the first-number two-terminal terminal a first response information of the request; a determining module, configured to determine whether the first response information satisfies an associated call condition; and an associated call module, configured to: when the determining result indicates that the first response information satisfies an associated call condition, The call of the calling terminal is requested to the second terminal of the one-number two-terminal terminal.
  • the associated call condition specifically includes: the first response information is a call failure event that is not on-hook; and the application server does not receive the idle event returned by the first-number dual-machine terminal.
  • the first two-machine associated call device further includes: an acknowledgement information sending module, configured to send, to the first terminal, acknowledgement information confirming receipt of the first response information.
  • the first terminal is a fixed terminal; the second terminal is a mobile terminal.
  • the associated call module specifically includes: a third receiving module, configured to receive second response information sent by the second terminal to the call request; and a transparent transmission module, configured to transparently use the second response information
  • the fourth receiving module is configured to receive an update media request sent by the calling terminal after receiving the second response information of the second terminal;
  • the media negotiation module is configured to assist the second terminal to perform media negotiation with the calling terminal according to the update request.
  • the media negotiation module specifically includes: a second sending module, configured to send the update media request and carry the calling media to the second terminal; and the fifth receiving module is configured to receive the second terminal to request the update media
  • the third response information where the media information of the media server is carried;
  • the call progress message sending module is configured to generate a call progress message and send the call progress message to the calling terminal according to the third response information, where the call progress message carries Media information of the media server.
  • An embodiment of the present invention further provides an application server, including the one-number two-machine associated call device according to any one of the preceding claims.

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

Abstract

本发明提供了一种一号双机关联呼叫方法、装置和应用服务器,所述方法用于应用服务器,包括:接收主叫终端发送的呼叫一号双机终端的呼叫请求;向所述一号双机终端发送所述呼叫请求;接收所述一号双机终端中的第一终端发送的对所述呼叫请求的第一响应信息;判断所述第一响应信息是否满足关联呼叫条件;在所述判断结果指示所述第一响应信息满足关联呼叫条件时,关联所述主叫终端的呼叫请求到所述一号双机终端中的第二终端。本发明能够实现一号双机关联呼叫,进一步地,不需要核心网支持上报带规范原因值的183消息,就能够准确迅速的知道被叫终端的状态。

Description

一号双机关联呼叫方法、 装置和应用服务器 技术领域 本发明涉及通信领域, 尤其涉及一号双机关联呼叫方法、 装置和应用服务器。 背景技术 "一号双机"业务指用户同时使用一台固定电话和一台小灵通 (或者手机) 终端, 两台终端共同使用一个号码。 同号的固定电话和小灵通都可以独立作为主被叫号码, 相互之间通信不受影响。 作为被叫号码时, 两部终端都有可能振铃, 同振模式下同时 振铃。 作为主叫号码时, 可以独立使用, 捆绑的两部终端可以互拨。 其中一个号码为 主号码、 另一个号码为辅号码, 对外公布就是一个主号码。 用户拨打此主号码, "一号 双机"业务按照一定的规则呼叫主号码和辅号码。
"一号双机"业务双忙情况下出现的问题是: 固话 A的用户签约"一号双机"业务, 它的辅号码是小灵通 (或者手机) B, 且它的振铃模式是同振。 用户 C拨打 A号码, 当八、 B同时处于"忙"的状态时, 用户 C要么可以听到回铃音, 误认为被叫此时是空 闲的; 要么听不到任何声音, 直到一分钟以后自动挂机。 产生这种问题的原因是: 固话 A "忙"的时候立即回 486消息, 应用服务器 AS可 以立即知道固话 A处于忙的状态, 而小灵通 (或者手机) B "忙"的时候回的是 183消 息, 然后大概一分钟后才会回 480消息。 若 AS把被叫的 183消息当成了空闲指示, 如图 1所示, 当 AS收到 183消息时, 给主叫发了 180空闲指示, 这就造成了主叫以为被叫空闲的错误判断; 若 AS不处理 183消息, 如图 2所示, 那么主叫在被叫回 183和 480之间的这段 时间内听不到任何声音 (没有任何提示); 若 AS把 183当成"忙"处理直接挂断电话, 那么若小灵通(或者手机) B开通了彩 铃等业务, 或者是除了"忙"之外的呼叫进展提示, 此时被叫是空闲或者有可能空闲的 状态, 但是由于 AS把 183当成"忙"处理直接挂断电话, 用户 C无法与 B进行通话。 现有的解决方法, 是让核心网在 183消息中携带 Reason头域带给 AS, 原因值按 照 Q.850协议映射, 业务接收到 183+reason后, 能够通过 reason头部分辨出此话路是 否空闲。 此技术要求现网与"一号双机"平台对接的所有软件换机 SS, 必须支持上报带 reason的 183消息, 同时携带的原因值(reason)必须是根据规范约定的, 或者是有规 律的。 发明内容 本发明实施例提供了一种一号双机关联呼叫方法、 装置和应用服务器, 能够实现 一号双机关联呼叫, 进一步地, 不需要核心网支持上报带规范原因值的 183消息, 就 可以准确迅速的知道被叫终端的状态。 根据本发明的一个方面, 本发明实施例提供了一种一号双机关联呼叫方法, 用于 应用服务器, 包括: 接收主叫终端发送的呼叫一号双机终端的呼叫请求; 向所述一号双机终端发送所述呼叫请求; 接收所述一号双机终端中的第一终端发送的对所述呼叫请求的第一响应信息; 判断所述第一响应信息是否满足关联呼叫条件; 在所述判断结果指示所述第一响应信息满足关联呼叫条件时, 关联所述主叫终端 的呼叫请求到所述一号双机终端中的第二终端。 其中, 所述关联呼叫条件具体包括: 所述第一响应信息为非挂机的呼叫失败事件; 和 所述应用服务器未收到所述一号双机终端返回的空闲事件。 其中, 所述的一号双机关联呼叫方法还包括: 向所述第一终端发送确认收到第一响应信息的确认信息。 其中, 所述第一终端为固话终端; 所述第二终端为移动终端。 其中, 所述关联所述主叫终端的呼叫请求到所述一号双机终端中的第二终端具体 为: 接收所述第二终端发送的对所述呼叫请求的第二响应信息; 将所述第二响应信息透传给主叫终端; 接收所述主叫终端在收到所述第二终端的第二响应信息后,发送的更新媒体请求; 根据所述更新请求, 协助第二终端所在核心网对应的媒体服务器与主叫终端进行 媒体协商。 其中, 所述根据所述更新媒体请求, 协助第二终端所在核心网对应的媒体服务器 与主叫终端进行媒体协商具体为: 发送所述更新媒体请求并携带主叫媒体给第二终端; 接收第二终端对所述更新媒体请求的第三响应信息, 其中携带所述媒体服务器的 媒体信息; 根据所述第三响应信息, 生成一通话进展消息发送给主叫终端, 所述通话进展消 息中携带所述媒体服务器的媒体信息。 根据本发明的另一方面, 本发明实施例还提供了一种一号双机关联呼叫装置, 用 于应用服务器, 包括: 第一接收模块, 设置为接收主叫终端发送的呼叫一号双机终端的呼叫请求; 第一发送模块, 设置为向所述一号双机终端发送所述呼叫请求; 第二接收模块, 设置为接收所述一号双机终端中的第一终端发送的对所述呼叫请 求的第一响应信息; 判断模块, 设置为判断所述第一响应信息是否满足关联呼叫条件; 关联呼叫模块, 设置为在所述判断结果指示所述第一响应信息满足关联呼叫条件 关联所述主叫终端的呼叫请求到所述一号双机终端中的第二终端。 其中, 所述关联呼叫条件具体包括: 所述第一响应信息为非挂机的呼叫失败事件; 和 所述应用服务器未收到所述一号双机终端返回的空闲事件。 其中, 所述的一号双机关联呼叫装置还包括: 确认信息发送模块, 设置为向所述第一终端发送确认收到第一响应信息的确认信 其中, 所述第一终端为固话终端; 所述第二终端为移动终端。 其中, 所述关联呼叫模块具体包括- 第三接收模块,设置为接收所述第二终端发送的对所述呼叫请求的第二响应信息; 透传模块, 设置为将所述第二响应信息透传给主叫终端; 第四接收模块,设置为接收所述主叫终端在收到所述第二终端的第二响应信息后, 发送的更新媒体请求; 媒体协商模块, 设置为根据所述更新媒体请求, 协助第二终端所在核心网对应的 媒体服务器与主叫终端进行媒体协商。 其中, 所述媒体协商模块具体包括: 第二发送模块, 设置为发送所述更新媒体请求并携带主叫媒体给第二终端; 第五接收模块, 设置为接收第二终端对所述更新请求的第三响应信息, 其中携带 所述媒体服务器的媒体信息; 通话进展消息发送模块, 设置为根据所述第三响应信息, 生成一通话进展消息发 送给主叫终端, 所述通话进展消息中携带所述媒体服务器的媒体信息。 根据本发明的再一方面, 本发明实施例还提供了一种应用服务器, 包括上述任意 一项所述的一号双机关联呼叫装置。 本发明实施例中, 应用服务器对第一响应信息进行判断, 所述第一响应信息满足 关联呼叫条件时, 关联所述主叫终端的呼叫请求到所述一号双机终端中的第二终端。 本发明实施例实现了一号双机关联呼叫, 进一步地, 应用服务器根据所述主叫终端与 所述一号双机终端中的第二终端是关联呼叫的, 协助主叫终端和所述第二终端所在核 心网对应的媒体服务器完成媒体协商, 不需要核心网支持上报带规范原因值的 183消 息, 就能够可以准确迅速的知道被叫终端的状态。 附图说明 图 1为本发明实施例中一种一号双机信令发送流程图; 图 2为本发明实施例中另一种一号双机信令发送流程图; 图 3为本发明实施例中网元结构示意图; 图 4为本发明实施例中一号双机关联呼叫方法的流程示意图; 图 5为本发明实施例实现方式的流程示意图; 图 6为本发明实施例中关联呼叫的信令发送流程示意图; 以及 图 7为本发明实施例中一号双机关联呼叫装置的结构示意图。 具体实施方式 在对本发明实施例进行进一步解释说明之前, 先对本发明涉及的网元功能做如下 说明, 如图 3所示:
1.用户终端 (UE) 用户发起呼叫、接听呼叫以及做其他呼叫操作的装置,如 C网或 G网手机、 PSTN 终端、 IMS终端等。
2.应用服务器 (AS) 提供底层业务能力, 如: 呼叫控制, 状态上报, 话单生成等功能。
3. MRS媒体服务器 (Media Resource Server) 提供语音媒体能力, 一般为媒体服务器(Media Server, MS), 如在被叫空闲时给 主叫方用户播放回铃音等。 具体网元使用的协议如下:
1. AS同 MRS或 UE之间为呼叫通话的媒体协商, AS与 UE通过核心网使用 SIP 协议互通, AS同 MRS之间通常使用 SIP协议或 MGCP协议,具体决定于 MRS支持 的协议类型。
2. UE同 MRS之间为媒体流的传送, UE与 MRS具体媒体包的编解码格式, 收发 端口, 带宽传输速率等, 根据呼叫时, 终端同 MRS 之间的媒体协商的结果进行媒体 流的传送。 在本发明实施例中, 提供了一种一号双机关联呼叫方法, 用于应用服务器, 如图 4所示, 包括: 步骤 41, 接收主叫终端发送的请求呼叫一号双机终端的呼叫请求; 步骤 42, 向所述一号双机终端发送所述呼叫请求; 步骤 43, 接收所述一号双机终端中的第一终端发送的对所述呼叫请求的第一响应 信息; 步骤 44, 判断所述第一响应信息是否满足关联呼叫条件; 步骤 45, 在所述判断结果指示所述第一响应信息满足关联呼叫条件时, 关联所述 主叫终端的呼叫请求到所述一号双机终端中的第二终端。 所述应用服务器向一号双机终端同时发送主叫终端的呼叫请求, 会首先收到所述 第一终端发送的对所述呼叫请求的第一响应信息, 在所述第一响应信息满足关联呼叫 条件时, 直接关联所述主叫终端的呼叫请求到所述一号双机终端中的第二终端, 即相 当于主叫直接呼叫第二终端。 进一步地, 所述应用服务器在关联所述主叫终端的呼叫 请求到所述第二终端后, 会协助所述主叫终端和第二终端所在核心网对应的媒体服务 器完成媒体协商, 根据媒体协商的结果进行媒体流传送。 本发明实施例能够实现一号 双机关联呼叫, 进一步地, 不需要核心网支持上报带规范原因值的 183消息, 就能够 可以准确迅速的知道被叫终端的状态。 举例说明如下:
<例子 1> 一号双机中的第一终端为 A, 第二终端为 B, 主叫终端 C呼叫该一号双机终端, 应用服务器将主叫终端 C的呼叫请求同时发送给终端 A和 B,收到了第一终端 A发送 的对呼叫请求的第一响应信息,此时,要判断该第一响应信息是否符合关联呼叫条件, 如果符合, 应用服务器就会直接关联主叫终端 C的呼叫请求到第二终端 B。 在协助主叫终端 C和第二终端 B完成媒体协商后,根据媒体协商的结果进行媒体 流传送, 假如第二终端 B订制了彩铃、 呼叫进展提示等业务, 主叫终端 C就能够通过 接收到的业务提示, 准确迅速的知道第二终端 B的状态。 上述一号双机关联呼叫方法中, 所述关联呼叫条件具体包括: 所述第一响应信息为非挂机的呼叫失败事件; 和 所述应用服务器未收到所述一号双机终端返回的空闲事件。 上述一号双机关联呼叫方法中, 优选地, 还包括: 向所述第一终端发送确认收到第一响应信息的确认信息。 所述应用服务器在关联主叫终端的呼叫请求到所述第二终端后, 向所述第一终端 发送确认信息, 此时由主叫终端向第一终端的呼叫链路就不再存在了, 同样相当于主 叫终端直接拨打第二终端, 因此, 可以准确迅速的知道被叫终端的状态。 上述一号双机关联呼叫方法中, 所述第一终端为固话终端; 所述第二终端为移动 终端。 由于固话对呼叫请求的响应回复较快, 应用服务器会最先收到第一终端, 即固话 终端的第一响应信息; 同时固话在"忙"时会立即回 486消息, 应用服务器不会将此消 息当作空闲或其他指令, 而做出错误判断, 因此, 第一终端, 优选地, 为固话终端; 第二终端, 优选地, 为移动终端。 上述一号双机关联呼叫方法中, 所述步骤 45具体包括: 步骤 451, 接收所述第二终端发送的对所述呼叫请求的第二响应信息; 步骤 452, 将所述第二响应信息透传给主叫终端; 步骤 453, 接收所述主叫终端在收到所述第二终端的第二响应信息后, 发送的更 新媒体请求; 步骤 454, 根据所述更新媒体请求, 协助第二终端所在核心网对应的媒体服务器 与主叫终端进行媒体协商。 第二终端为移动终端回复响应信息比较慢, 在断开与第一终端的链路后, 接收到 第二终端发送的对所述呼叫请求的第二响应信息, 此时应用服务器直接透传第二响应 信息给主叫终端, 同时会发送一个更新媒体请求到第二终端, 协助第二终端所在核心 网对应的媒体服务器与主叫终端进行媒体协商,根据媒体协商的结果进行媒体流传送。 其中, 步骤 454具体包括: 发送所述更新请求给第二终端; 接收第二终端对所述更新请求的第三响应信息, 其中携带所述媒体服务器的媒体 信息; 根据所述第三响应信息, 生成一通话进展消息发送给主叫终端, 所述通话进展消 息中携带所述媒体服务器的媒体信息。 下面结合实际对上述方法进行整体说明。
<例子 2> 如图 5所示, 为一号双机终端双"忙"时, 实现主叫终端与第二终端关联呼叫, 进 一步地, 获知第二终端状态的信令交互过程。 步骤 501,主叫终端 C向应用服务器 AS发送 INVITE请求,请求的号码为一号双 机终端, 其中的第一终端为 A, 第二终端为 B, 呼叫请求中携带主叫终端 C的媒体信 息, 方向为 sendrecvo 步骤 502, 应用服务器 AS向第一终端 A发送 INVITE请求, 携带主叫终端 C的 媒体信息, 方向为 sendonly。 步骤 503, 应用服务器 AS向第二终端 B发送 INVITE请求, 携带主叫终端 C的 媒体信息, 方向为 sendonly。 步骤 504,第一终端 A向应用服务器 AS返回 INVITE的 486忙响应。并且把第二 终端 B与主叫终端 C关联起来。 步骤 505, 应用服务器 AS向第一终端 A发送 ACK确认信息, 不携带媒体信息。 自此呼叫第一终端 A的链路已经不存在了。 步骤 506, 第二终端 B向应用服务器 AS返回 INVITE的 183+sdp响应, 携带 MS 的媒体信息, 方向为 sendrecv。 步骤 507, 应用服务器 AS向主叫终端 C发送透传 183消息, 不携带媒体信息。 步骤 508, 应用服务器 AS向第二终端 B发送 Update请求, 携带主叫终端 C的媒 体信息, 方向为 sendrecvo 步骤 509, 第二终端 B向应用服务器 AS返回 Update的 200ok+sdp响应, 携带
MS的媒体信息, 方向为 sendrecv。 步骤 510, 应用服务器 AS向 C发送 183+sdp消息, 携带 MS的媒体信息, 方向为 sendrecvo此时主叫终端 C与 MS的媒体协商已经完成, MS给主叫终端 C放被叫忙的 提示音。 此时, 关联呼叫的目的已经达到, 进一步地, 不需要核心网支持上报带规范 原因值的 183消息, 就能够可以准确迅速的知道被叫终端的状态为"忙"。 步骤 511, 主叫终端 C听到提示音, 立即挂断电话。主叫终端 C向应用服务器 AS 发送 CANCEL消息, 不携带媒体。 步骤 512, 应用服务器 AS向第二终端 B发送 CANCEL消息, 不携带媒体。 步骤 513, 应用服务器 AS向主叫终端 C发送 CANCEL的 200OK响应, 不携带 媒体信息。 步骤 514, 第二终端 B向应用服务器 AS发送 CANCEL的 200OK响应, 不携带 媒体信息。 步骤 515,应用服务器 AS向主叫终端 C发送 INVITE请求的最终响应: 487 Request Cancelled, 不携带媒体。 步骤 516,第二终端 B向应用服务器 AS发送 INVITE请求的最终响应: 487 Request Cancelled, 不携带媒体。 步骤 517, 主叫终端 C向应用服务器 AS发送 ACK, 对 487的响应。 步骤 518, 应用服务器 AS向第二终端 B发送 ACK, 对 487的响应, 整个呼叫全 部结束。 上例中的信令流程按步骤实现, 如图 6所示。 步骤 1, 用户 A是业务用户, 他绑定的主号码是第一终端固话 A, 辅号码是第二 终端小灵通 (或者) 手机 B, 用户 C是任一用户, 拨打主号码 A, 此时 A、 B都正处 于通话中; 步骤 2, 第一终端 A回响应信息, 即 486消息, 应用服务器 AS判断当前的呼叫 信息, 判断结果指示收到的响应信息为非挂机的呼叫失败事件, 且应用服务器 AS没 有收到空闲 180事件, 此时 AS立即将主叫 C和第二终端 B关联起来; 步骤 3, 第二终端 B回 183+sdp事件, AS根据 C和 B已经是关联呼叫和已有的 信令, 将 183不带媒体的消息透传给主叫 C; 步骤 4, AS根据是关联呼叫, 会协助 B、 C完成媒体协商; 步骤 5, 第二终端 B所在的核心网侧, 给主叫号码 C放被叫号码"忙"的提示音; 步骤 6, 主叫号码 C听到被叫"忙"的提示音, 主动挂机。 本发明实施例还提供了一种一号双机关联呼叫装置, 用于应用服务器, 如图 7所 示, 包括: 第一接收模块, 设置为接收主叫终端发送的呼叫一号双机终端的呼叫请求; 第一发送模块, 设置为向所述一号双机终端发送所述呼叫请求; 第二接收模块, 设置为接收所述一号双机终端中的第一终端发送的对所述呼叫请 求的第一响应信息; 判断模块, 设置为判断所述第一响应信息是否满足关联呼叫条件; 关联呼叫模块, 设置为在所述判断结果指示所述第一响应信息满足关联呼叫条件 时, 关联所述主叫终端的呼叫请求到所述一号双机终端中的第二终端。 其中, 所述关联呼叫条件具体包括: 所述第一响应信息为非挂机的呼叫失败事件; 和 所述应用服务器未收到所述一号双机终端返回的空闲事件。 其中, 所述的一号双机关联呼叫装置还包括: 确认信息发送模块, 设置为向所述第一终端发送确认收到第一响应信息的确认信 息。 其中, 所述第一终端为固话终端; 所述第二终端为移动终端。 其中, 所述关联呼叫模块具体包括: 第三接收模块,设置为接收所述第二终端发送的对所述呼叫请求的第二响应信息; 透传模块, 设置为将所述第二响应信息透传给主叫终端; 第四接收模块,设置为接收所述主叫终端在收到所述第二终端的第二响应信息后, 发送的更新媒体请求; 媒体协商模块, 设置为根据所述更新请求, 协助第二终端与主叫终端进行媒体协 商。 其中, 所述媒体协商模块具体包括: 第二发送模块, 设置为发送所述更新媒体请求并携带主叫媒体给第二终端; 第五接收模块, 设置为接收第二终端对所述更新媒体请求的第三响应信息, 其中 携带所述媒体服务器的媒体信息; 通话进展消息发送模块, 设置为根据所述第三响应信息, 生成一通话进展消息发 送给主叫终端, 所述通话进展消息中携带所述媒体服务器的媒体信息。 本发明实施例还提供了一种应用服务器, 包括上述任意一项所述的一号双机关联 呼叫装置。 以上所述仅是本发明的优选实施方式, 应当指出, 对于本技术领域的普通技术人 员来说, 在不脱离本发明原理的前提下, 还可以做出若干改进和润饰, 这些改进和润 饰也应视为本发明的保护范围。

Claims

权 利 要 求 书
1. 一种一号双机关联呼叫方法, 用于应用服务器, 该方法包括:
接收主叫终端发送的呼叫一号双机终端的呼叫请求;
向所述一号双机终端发送所述呼叫请求;
接收所述一号双机终端中的第一终端发送的对所述呼叫请求的第一响应信 息;
判断所述第一响应信息是否满足关联呼叫条件;
在所述判断结果指示所述第一响应信息满足关联呼叫条件时, 关联所述主 叫终端的呼叫请求到所述一号双机终端中的第二终端。
2. 如权利要求 1所述的一号双机关联呼叫方法, 其中, 所述关联呼叫条件包括: 所述第一响应信息为非挂机的呼叫失败事件; 和
所述应用服务器未收到所述一号双机终端返回的空闲事件。
3. 如权利要求 1所述的一号双机关联呼叫方法, 其中, 还包括:
向所述第一终端发送确认收到第一响应信息的确认信息。
4. 如权利要求 1所述的一号双机关联呼叫方法,其中,所述第一终端为固话终端; 所述第二终端为移动终端。
5. 如权利要求 1所述的一号双机关联呼叫方法, 其中, 关联所述主叫终端的呼叫 请求到所述一号双机终端中的第二终端为:
接收所述第二终端发送的对所述呼叫请求的第二响应信息;
将所述第二响应信息透传给主叫终端;
接收所述主叫终端在收到所述第二终端的第二响应信息后, 发送的更新媒 体请求;
根据所述更新媒体请求, 协助第二终端所在核心网对应的媒体服务器与主 叫终端进行媒体协商。
6. 如权利要求 5所述的一号双机关联呼叫方法, 其中, 根据所述更新媒体请求, 协助第二终端所在核心网对应的媒体服务器与主叫终端进行媒体协商为: 发送所述更新媒体请求并携带主叫媒体给第二终端;
接收第二终端对所述更新媒体请求的第三响应信息, 其中携带所述媒体服 务器的媒体信息;
根据所述第三响应信息, 生成一通话进展消息发送给主叫终端, 所述通话 进展消息中携带所述媒体服务器的媒体信息。
7. 一种一号双机关联呼叫装置, 用于应用服务器, 该装置包括:
第一接收模块,设置为接收主叫终端发送的呼叫一号双机终端的呼叫请求; 第一发送模块, 设置为向所述一号双机终端发送所述呼叫请求; 第二接收模块, 设置为接收所述一号双机终端中的第一终端发送的对所述 呼叫请求的第一响应信息;
判断模块, 设置为判断所述第一响应信息是否满足关联呼叫条件; 关联呼叫模块, 设置为在所述判断结果指示所述第一响应信息满足关联呼 叫条件时, 关联所述主叫终端的呼叫请求到所述一号双机终端中的第二终端。
8. 如权利要求 7所述的一号双机关联呼叫装置, 其中, 所述关联呼叫条件包括: 所述第一响应信息为非挂机的呼叫失败事件; 和
所述应用服务器未收到所述一号双机终端返回的空闲事件。
9. 如权利要求 7所述的一号双机关联呼叫装置, 其中, 该装置还包括: 确认信息发送模块, 设置为向所述第一终端发送确认收到第一响应信息的 确认信息。
10. 如权利要求 7所述的一号双机关联呼叫装置,其中,所述第一终端为固话终端; 所述第二终端为移动终端。
11. 如权利要求 7所述的一号双机关联呼叫装置, 其中, 所述关联呼叫模块包括: 第三接收模块, 设置为接收所述第二终端发送的对所述呼叫请求的第二响 应信息;
透传模块, 设置为将所述第二响应信息透传给主叫终端;
第四接收模块, 设置为接收所述主叫终端在收到所述第二终端的第二响应 信息后, 发送的更新媒体请求; 媒体协商模块, 设置为根据所述更新媒体请求, 协助第二终端所在核心网 对应的媒体服务器与主叫终端进行媒体协商。
12. 如权利要求 11所述的一号双机关联呼叫装置, 其中, 所述媒体协商模块包括: 第二发送模块,设置为发送所述更新媒体请求并携带主叫媒体给第二终端; 第五接收模块, 设置为接收第二终端对所述更新请求的第三响应信息, 其 中携带所述媒体服务器的媒体信息;
通话进展消息发送模块, 设置为根据所述第三响应信息, 生成一通话进展 消息发送给主叫终端, 所述通话进展消息中携带所述媒体服务器的媒体信息。
13. 一种应用服务器,包括权利要求 7至 12任意一项所述的一号双机关联呼叫装置。
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