WO2009018697A1 - A method for implementing a color-image service - Google Patents

A method for implementing a color-image service Download PDF

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Publication number
WO2009018697A1
WO2009018697A1 PCT/CN2007/003780 CN2007003780W WO2009018697A1 WO 2009018697 A1 WO2009018697 A1 WO 2009018697A1 CN 2007003780 W CN2007003780 W CN 2007003780W WO 2009018697 A1 WO2009018697 A1 WO 2009018697A1
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WO
WIPO (PCT)
Prior art keywords
color image
image service
information
message
media
Prior art date
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Ceased
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PCT/CN2007/003780
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English (en)
French (fr)
Inventor
Zhenhua Xie
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ZTE Corp
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ZTE Corp
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Publication of WO2009018697A1 publication Critical patent/WO2009018697A1/zh
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    • 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
    • H04L65/1083—In-session procedures

Definitions

  • the present invention relates to the field of communications, and more particularly to a method for implementing a color image service.
  • IP Internet Protocol
  • IMS Internet Multimedia Subsystem
  • 3GPP 3rd Generation Partnership Project
  • the architecture builds an open and flexible business environment that supports multimedia applications and provides users with rich multimedia services.
  • the control layer and the service layer are separated.
  • the control layer does not provide specific services, and only provides the necessary triggering, routing, and accounting functions to the service layer.
  • the service triggering and control functions in the control layer are Call Session Control Function (CSCF, which is divided into Agent Proxy, Query Interrogating and Monthly Serving).
  • CSCF Call Session Control Function
  • the main responsibility is Serving, and the Interrogating type is optional.
  • the completed business layer is composed of a series of application servers (ASs), which can provide specific service services.
  • AS can be an independent entity or exist in the S-CSCF.
  • the control layer (S-CSCF) controls the service trigger according to the subscription information of the user, invokes the service on the AS, and implements the service function.
  • AS and S-CSCF can be collectively referred to as Server Equipment (SE).
  • SE Server Equipment
  • the end-to-end device in the session is called User Equipment (UE) and is responsible for interaction with the user.
  • SIP Session Initiation Protocol
  • a multimedia resource function (MRF, which is divided into a control part MRFC and a media processing part MRFP) is required, and the control part is responsible for translating and interpreting the SIP signaling of the SE as The instruction to the MRFP, or vice versa, translates and interprets the MRFP response as SIP signaling sent to the SE, while the processing portion is responsible for the transmission and reception of the media stream.
  • MRF multimedia resource function
  • Call 1 a setup process while playing the multimedia information to the called service is a service in the IMS, the service may also be referred to as a color image service, allows during a call, the calling network to the called party by the main player
  • the pre-customized multimedia information including audio, video, graphics, and combinations thereof, and stop the multimedia information playback that has not stopped after the called party answers.
  • the technology used is early session technology. Since the MRFC is likely to be physically an entity with the SE, in order to simplify the process representation, the legend is represented in an entity box, and the SIP communication is used between the two. The message indicated by the dotted line is optional.
  • Step 102 The UE-A calls the UE-B, for example, sends an INVITE message, which may carry the media information of the UE-A.
  • Step 104 The call message passes through the SE, and the SE forwards the message to the UE-B.
  • Step 106 UE-B receives the call message, responds with "183 Session Progress", carries the normal media resource information of UE-B, and adds an early session tag value in the Support field to inform the other party that UE-B supports the color picture service.
  • Step 108 The response message passes through the SE, and the SE forwards the message to the UE-A.
  • Step 110 The UE-A pre-confirms the result of the media negotiation, for example, sends a PRACK (pre-acknowledgment) message to the UE-B.
  • the pre-confirmation message path SE SE requests the MRFP to reserve the color image media resource through the MRFC.
  • Step 114 After the resource reservation is successful, the SE forwards the pre-confirmation message to the UE-B, and uses the early session technology to increase the information of the color image media resource in the forwarded message, and uses the reserved color image media resource information as the early media. information.
  • Step 116 After receiving the pre-confirmation message, the UE-B responds with "200 OK:", and uses the early session technology to carry the color image media resource information of the UE-B.
  • Step 118 Pre-confirm the successful message path SE, and the SE removes the information related to the color image media resource information in the message and forwards the information to the UE-A.
  • Step 120 The SE notifies the MRFP to play the color image to the UE-B through the MRFC.
  • the UE-B can ring and send a "180 Ringing" message to the calling party, and the UE-B can decide whether to play the local ringtone to the user.
  • Step 126 The ringing message path SE, SE forwards the message to UE-A.
  • Step 130 After receiving the response message of the UE-B, the SE requests the MRFP to stop playing the color image information through the MRFC, and releases the related media resource.
  • the SE forwards the response message of the UE-B to the UE-A.
  • a session connection of the normal media is established between the UE-A and the UE-B.
  • the existing technology uses only one early media technology: Early session technology does not use P-Early-Media (Private Early Media Domain) technology to implement the color image business.
  • P-Early-Media Principal Early Media Domain
  • the prior art does not notify the called party of any information related to the color image service, so that the called party cannot decide how to enter the service interaction according to the calling party service, such as the interaction between the color image and the color ring back tone service.
  • the present invention provides a method for implementing a color image service, which is used to simultaneously play multimedia information to a called party during a call setup process in an IMS domain.
  • a method for implementing a color image service includes the following steps: S202: When the calling user calls the called user, the service device receives the call request message, and adds the color image service notification information to the call request message, and then forwards the message; S204, supported by the called user equipment In the case of the color image service, the called user equipment negotiates the normal media resource information according to the standard steps and returns the color image service related information; S206, after the color image media resource information negotiation succeeds, the service device instructs the media resource function entity to the called user The device plays multimedia information, wherein, in S206, after the called user answers, the service device and/or the called party .
  • the color image service notification information at least one of the following: service traffic indication information and the media resource information.
  • the called user equipment does not trigger the local ringtone, or the called user equipment triggers the local ringtone if the supporting color image service is supported.
  • the color image service related information refers to the color image support indication information, such as setting an early-session value in the Support header field, or setting a supported value in the P-Early-Media header field.
  • the color image service related information refers to the color image media resource information, for example, the message body carries the media resource information, including the media type, the media port number, the media codec, and the like, and is in the message header.
  • the Early-Media header field sets values such as recvonly and sendonly sendrecv.
  • the color image service related information refers to the color image media resource information, for example, the message body carries the media resource information, including the media type, the media port number, the media codec, and the like, and sets the message body's "Content- The Disposition" value is early-session.
  • the content of the color image media resource information may be empty.
  • the called user equipment uses the branching technology to return the color image media resource information by using the response message in the branching technology while negotiating the normal media according to the standard process, and negotiating the color image media according to a standard process.
  • the color image business implementation method is used for the IP multimedia subsystem.
  • FIG. 1 is a flow chart of a basic message of a conventional color image service
  • FIG. 2 is a flow chart of a method for implementing a color image service according to the present invention
  • FIG. 3 is a color chart using an early session technique according to the present invention.
  • FIG. 4 is a flow chart of a basic message of a color image service using an early session technology and an empty media information technology according to the present invention
  • FIG. 5 is a basic message flow chart of a color image service using private early media domain technology (returning resource information of normal media and color image media at the same time).
  • FIG. 6 is a basic message flow chart of a color image service using the private early media domain technology of the present invention (returning the color image media resource information and then returning the resource information of the normal media).
  • FIG. 2 is a flow chart of a method of implementing a color image service in accordance with the present invention.
  • the method includes the following steps: S202: The service device receives a call request message, and adds the color image service notification information to the call request message, and then forwards the message; S204, the called user equipment supports the color image service. In this case, the called user equipment negotiates the normal media resource information according to the standard procedure and returns the color image service related information.
  • the service device instructs the media resource function entity to play the multimedia information to the called user equipment. .
  • the service device and/or the called user equipment stops the multimedia information played during the call.
  • the color image service notification information is at least one of the following: service indication information and service media resource information.
  • the called user equipment does not trigger the local ringtone, or the called user equipment triggers the local ringtone if the supporting color image service is supported.
  • the color image service related information refers to the color image support indication information, such as setting an early-session value in the Support header field, or setting a supported value in the P-Early-Media header field.
  • the color image service related information refers to the color image media resource information, for example, the message body carries the media resource information, including the media type, the media port number, the media codec, and the like, and is in the message header.
  • the Early-Media header field sets values such as recvonly, sendonly, and sendrecv.
  • the color image service related information refers to the color image media resource information, for example, the message body carries the media resource information, including the media type, the media port number, the media codec, and the like, and sets the message body's "Content- The Disposition" value is early-session.
  • the content of the color image media resource information may be empty.
  • the called user equipment uses the branching technology to return the color image media resource information by using the response message in the branching technology while negotiating the normal media according to the standard process, and negotiating the color image media according to a standard process.
  • the color image service implementation method of the present invention can be applied to an IP multimedia subsystem.
  • 3 is a basic message flow diagram of a color image service using an early session technology according to the present invention.
  • the UE-A calls the UE-B, for example, sends an INVITE message, which may carry the media information of the UE-A, and may adopt a Precondition (precondition) technology to prevent the called user equipment from triggering the local ringtone prematurely.
  • Precondition Precondition
  • the call message passes through the SE, and the SE determines that there is a color image service, and the SE forwards the message to the UE-B to notify the called party that the color image service is available.
  • the call message carries the early media information, and the early media information can use the inactive color image resource information, or the color image media.
  • the ports are all 0.
  • the UE-B receives the call message, and responds to the normal media resource information of the UE-B, for example, responds to "183 Session Progress", carries the normal media resource information of the UE-B, and can inform the other party that the UE-B supports the color image service. For example, you can add early-session value in the Support field. For example, you can use the early session technology to carry the color media resource information supported by UE-B and set the "Content-Disposition" value of the corresponding message body to early-session.
  • the media resource information can be inactive, or the port can be all 0 or empty.
  • the response message passes through the SE, and when the SE forwards the message to the UE-A, the content related to the color image media resource information in the message is removed.
  • the UE-A pre-confirms the result of the media negotiation, for example, sending a PRACK (pre-acknowledgment) message to the UE-B.
  • PRACK pre-acknowledgment
  • Pre-confirmation message path SE SE requests the MRFP to reserve the color image media resource through the MRFC.
  • the SE forwards the pre-acknowledgment message to the UE-B, and forwards the message.
  • the information of the color media resource is increased, for example, the early session technology is used, and the reserved color media resource information is used as the early media information.
  • the UE-B After receiving the pre-acknowledgment message, the UE-B responds to the pre-acknowledgment success message, for example, responds to "200 OK", and uses the early session technology to carry the UE-B color image media resource information.
  • SE removes the information related to the color image media resource information in the message and forwards it to UE-A.
  • the MRFP plays the color image to the UE-B according to the indication of the MRFC, and the UE-B may decide whether to play the color image information to the user.
  • UE-B can ring and respond to the calling party with a ringing message, such as sending a "180 Ringing" message, and UE-B can decide whether to play the local ringtone to the user.
  • a ringing message such as sending a "180 Ringing" message
  • UE-B answers the call, for example, sends a "200 OK (Answer)" message.
  • the SE after receiving the response message of the UE-B, the SE requests the MRFP to stop playing the color image information and release the related media resource through the MRFC.
  • the SE forwards the response message of the UE-B to the UE-A.
  • S336 Establish a session connection of the normal media between the UE-A and the UE-B.
  • 4 is a basic message flow diagram of a color image service using an early session technology and an empty media information technology according to the present invention.
  • the SE uses the early session technology and the air media information technology.
  • the process of controlling the media resource function to play the multimedia information to the called party and stopping the playing after the called party answers, the steps are as follows:
  • the UE-A calls the UE-B, for example, sends an INVITE message, which may carry the media information of the UE-A, and may adopt a Precondition (precondition) technology to prevent the called user equipment from triggering the local ringtone prematurely.
  • the call message passes through the SE, and the SE determines that there is a color image service, and the SE notifies the called party that the color image service is sent when the SE forwards the message to the UE-B. For example, using the early session technology, the call message carries the early media information over the sky.
  • the UE-B receives the call message and responds to the normal media resource information of the UE-B, for example, responding to "183 Session Progress", carrying the normal media resource information of the UE-B, and informing the other party that the UE-B supports the color image service.
  • the early session technology can be used to carry the color media resource information supported by the UE-B, which can be inactive or all ports are zero.
  • the response message passes through the SE, and when the SE forwards the message to the UE-A, the content related to the color image media resource information in the message is removed.
  • the UE-A pre-confirms the result of the media negotiation, for example, sending a PRACK (pre-acknowledgment) message to the UE-B.
  • PRACK pre-acknowledgment
  • Pre-confirmation message path SE SE requests the MRFP to reserve the color image media resource through the MRFC.
  • the SE forwards the pre-acknowledgment message to the UE-B, and adds the information of the color image media resource to the forwarded message, for example, using the early session technology, using the reserved color image media resource information as the early Media information.
  • the UE-B after receiving the pre-acknowledgment message, the UE-B responds to the pre-acknowledgment success message, for example, responds to "200 OK", and uses the early session technology to carry the negotiated color image media resource information of the UE-B.
  • SE pre-acknowledging the successful message path SE, SE removes the information related to the color image media resource information in the message and forwards it to UE-A.
  • the UE-A sends an update media message to the UE-B, for example, sending an UPDATE.
  • the UE-B receives the update message and responds to the update success message to the other party, for example, responding to the "200 OK" message.
  • FIG. 5 is a basic message flow chart of a color image service using private early media domain technology (returning resource information of normal media and color image media), and describes a calling UE-A calling a called UE-B, SE Using the private early media domain technology, the process of controlling the media resource function to play multimedia information to the called party, and stopping the playing after the called party answers, the steps are as follows:
  • the UE-A calls the UE-B, for example, sends an INVITE message, which can carry the media information of the UE-A, and can use the Precondition (Prerequisite) technology to prevent the called user equipment from triggering the local ringtone prematurely.
  • Precondition Prerequisite
  • the call message passes through the SE, and the SE determines that the color image service is available, and the SE notifies the called party to the color image service when forwarding the message to the UE-B.
  • the message carries a private early media field with parameters, and the parameter can be set to inactive (inactive), or can be set to other as needed. value.
  • the UE-B receives the call message and responds to the normal media resource information of the UE-B, for example, responding to "183 Session Progress", and carrying the normal media resource information of the UE-B.
  • UE-B supports the color image service, and the information of the color image service is carried in step S504. Therefore, UE-B simultaneously sends a new response by using the session identifier different from the response of step S506, for example, responding again. 183 Session Progress In this response, the other party can be informed that the UE-B supports the color image service, for example, the private early media field with the value of supported.
  • the media resource information will be renegotiated, so the media resource information carried is not important and can be used.
  • the same media resource information as in S506 can also use all media resource information supported by UE-B.
  • SE forwards the message to UE-A.
  • S512, S508 response message (ie, a response message with a value of the supported private early media field field, or a message with the same media resource information as the message of S506).
  • SE does not forward the message to UE-A, and SE
  • the MRFP requires the MRFP to reserve color image media resources.
  • the SE sends the pre-acknowledgment message to the UE-B by using the session identifier of the message in the step S508, for example, sending a PRACK (pre-acknowledgment) message, where the message carries the information of the color image media resource, and carries the value Private early media i or field such as recvonly, sendonly or sendrecv, the parameter values are set according to the needs of the color image service.
  • PRACK pre-acknowledgment
  • step S516 after the UE-B 4 owes the pre-acknowledgment message of step S514, responds to the pre-confirmation success message. For example, the response "200 OK" is carried and the color image media resource information of the UE-B after negotiation is carried.
  • S520 ⁇ S534, which is the same as steps S322-S336 in FIG. 6 is a basic message flow chart of a color image service using the private early media domain technology (returning the color image media resource information and then returning to the normal media), and describing the calling UE-A calling the called UE-B,
  • the SE uses the private early media domain technology to control the media resource function to play the multimedia information to the called party, and stops the playing process after the called party answers.
  • the steps are as follows:
  • the UE-A calls the UE-B, for example, sends an INVITE message, which can carry the media information of the UE-A, and can use the Precondition (Prerequisite) technology to prevent the called user equipment from triggering the local ringtone prematurely.
  • an INVITE message which can carry the media information of the UE-A, and can use the Precondition (Prerequisite) technology to prevent the called user equipment from triggering the local ringtone prematurely.
  • the call message passes through the SE, and the SE determines that there is a color image service, and the SE forwards the message to the UE-B to notify the called party that the color image service is available.
  • the message For example, in the P-Service-Indication field; for example, using the private early media domain technology, the message carries the private early media field of the parameter, and the parameter can be set to inactive (inactive), or can be set to other as needed. value.
  • the UE-B receives the call message, and responds to the UE-B ringing message without the normal media resource information of the UE-B, for example, responding to "180 Ring,,.
  • the UE-B supports the color image service, and the step S604 carries the information of the color image service. Therefore, the UE-B simultaneously sends a new response by using the different identifier of the message different from the step S606, for example, responding to the "183 Session". Progress", in this response, can inform the other party of the UE-B's color media resource information, such as a private early media field with a value of recvonly.
  • SE forwards the message to UE-A.
  • S608's response message (ie, a response message with a private early media field field with a value of recvonly, or a message with the same media resource information as the message of S606) passes through the SE, and the SE does not forward the message to the UE-A, and the SE
  • the MRFP requires the MRFP to reserve color image media resources.
  • the SE requests the MRFP to play the color image to the UE-B through the MRFC.
  • the MRFP plays the color image to the UE-B according to the indication of the MRFC, and the UE-B may decide whether to play the color image information to the user.
  • the UE-B answers the call, for example, sends a "200 OK (Answer)" message, and carries the normal media resource information of the UE-B.

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  • Telephonic Communication Services (AREA)

Description

彩像业务实现方法 技术领域 本发明涉及通信领域， 更具体的涉及一种彩像业务实现方法。 背景技术 网络互联协议 ( Internet Protocol , 简称 IP )多媒体子系统（ IP Multimedia Core Network Subsystem,简称 IMS )是由第三代合作伙伴计划（3rd Generation Partnership Project, 简称 3GPP)提出的一种基于 IP的网络架构， 构建了一个 的开放而灵活的业务环境， 支持多媒体应用， 能够为用户提供丰富的多媒体 业务。 在 IMS 业务体系中， 控制层和业务层是分离的， 控制层不提供具体业 务， 只向业务层提供必要的触发、 路由、 计费等功能。 控制层中业务触发和 控制功能是呼叫会话控制功能 （ Call Session Control Function, 简称 CSCF, 分为代理 Proxy , 查询 Interrogating和月 务 Serving三种类型， 其中负主要责 任的是 Serving, Interrogating类型是可选的） 完成的， 业务层是由一系列应 用服务器 （Application Server, 简称 AS ) 组成， 能提供具体业务服务， AS 可以是独立的实体， 也可以存在于 S-CSCF中。 控制层（S-CSCF )根据用户 的签约信息控制业务触发，调用 AS上的业务， 实现业务功能。 AS和 S-CSCF 可以统称为月良务设备 ( Server Equipment, 简称 SE )。 会话中的端到端设备称 为用户设备（User Equipment, 简称 UE ), 负责与使用者的交互。 这些功能 实体使用 （ Session Initiation Protocol, 简称 SIP )协议通讯。 在需要播放多媒 体信息的业务中， 会需要多媒体资源功能 （Media Resource Function, 简称 MRF, 分为控制部分 MRFC和媒体处理部分 MRFP )的参与， 其控制部分负 责将 SE的 SIP信令翻译和解释为对 MRFP的指令， 或者反之将 MRFP的回 应翻译和解释为向 SE发送的 SIP信令， 而处理部分负责媒体流的发送和接 收。 呼1 "1建立过程中同时向被叫播放多媒体信息的业务是 IMS 中的一种业 务， 该业务也可称为彩像业务， 允许在呼叫过程中， 主叫网络向被叫方播放 由主叫方事先定制好的多媒体信息， 包括音频、 视频、 图形和它们的组合等， 并在被叫方应答后停止尚未停止的多媒体信息播放。 现有技术中彩像业务采 用的技术是早会话技术。 由于 MRFC很可能与 SE在物理上是一个实体， 为了简化流程表示， 所 以图例中将两者表示在一个实体框中， 两者之间使用 SIP协议通讯。 虚线表 示的消息是可选的。 图 1 是现有的彩像业务基本消息流程图， 描述了当主叫呼叫被叫过程 中， 主叫开通了彩像业务，从而在呼叫过程中向被叫播放多媒体信息的过程， 其步骤如下： 步骤 102， UE-A呼叫 UE-B, 比如发送 INVITE (邀请） 消息， 可携带 UE-A的媒体信息。 步骤 104 , 呼叫消息途经 SE， SE转发该消息给 UE-B。 步骤 106, UE-B收到呼叫消息，回应 "183 Session Progress" ,携带 UE-B 的正常媒体资源信息，并在 Support域中增加早会话标记值以告知对方 UE-B 支持彩像业务。 步骤 108, 回应消息经过 SE, SE转发该消息给 UE-A。 步骤 110， UE-A预确认媒体协商的结果， 比如发送 PRACK (预确认） 消息给 UE-B。 步骤 112,预确认消息途径 SE， SE通过 MRFC要求 MRFP预留步骤彩 像媒体资源。 步骤 114, 资源预留成功后， SE转发预确认消息给 UE-B， 并在转发的 消息中使用早会话技术增加彩像媒体资源的信息， 使用预留好的彩像媒体资 源信息作为早媒体信息。 步骤 116， UE-B收到预确认消息后， 回应 "200 OK："， 并使用早会话技 术携带 UE-B的彩像媒体资源信息。 步骤 118, 预确认成功的消息途径 SE, SE去除消息中与彩像媒体资源 信息相关的信息后转发给 UE-A。 步骤 120, SE通过 MRFC通知 MRFP向 UE-B播放彩像。 步骤 122, MRFP根据 MRFC的指示向 UE-B播放彩像， UE-B可决定 是否将该彩像信息播放给用户。 步骤 124, UE-B可以震铃， 向主叫方发送 "180 Ringing" 消息， UE-B 可决定是否将本地铃声播放给用户。 步骤 126 , 震铃消息途径 SE , SE转发该消息给 UE- A。 步骤 128, UE-B应答呼叫， 发送 "200 OK ( Answer )" 消息。 步骤 130, SE收到 UE-B的应答消息后， 通过 MRFC要求 MRFP停止 播放彩像信息， 并释放相关的媒体资源。 步骤 132, SE转发 UE-B的应答消息给 UE-A。 步骤 134, UE-A和 UE-B之间建立起正常媒体的会话连接。 现有的技术只使用了一种早媒体技术： 早会话技术， 并没有使用 P-Early-Media (私有早媒体域）技术来实现彩像业务。 现有技术没有向被叫 方通知与彩像业务相关的任何信息， 使得被叫方无法根据主叫方业务决定如 何进^ "业务交互， 比如彩像与彩铃业务的交互。 发明内容 根据以上所述的一个或多个问题， 本发明提出了一种彩像业务实现方 法， 用于 IMS域中呼叫建立过程中同时向被叫播放多媒体信息。 才艮据本发明的一种彩像业务实现方法， 包括以下步骤： S202, 在主叫用 户呼叫被叫用户的情况下， 服务设备收到呼叫请求消息， 在呼叫请求消息中 增加彩像业务通知信息后转发出去； S204, 在被叫用户设备支持彩像业务的 情况下， 被叫用户设备按标准步骤协商正常媒体资源信息并返回彩像业务相 关信息； S206, 在彩像媒体资源信息协商成功后， 服务设备指示媒体资源功 能实体向被叫用户设备播放多媒体信息。 其中， 在 S206中， 被叫用户应答后， 服务设备和 /或被叫用户设备停止 呼叫过程中播放的多媒体信息。 其中， 在 S202中， 彩像业务通知信息为以下至少一种： 业务指示信息 和业务媒体资源信息。 其中， 在 S202中， 被叫用户设备不触发本地铃声， 或被叫用户设备在 支持播放彩像业务的情况下才触发本地铃声。 其中， 在 S204 中， 彩像业务相关信息指彩像支持指示信息， 比如在 Support头域中设置 early-session值,或在 P-Early-Media头域中设置 supported 值。 其中， 在 S204中， 彩像业务相关信息指彩像媒体资源信息， 比如消息 体中携带媒体资源信息， 包括媒体类型、媒体端口号， 媒体编解码器等信息， 并在消息头中以 P-Early-Media头域设置 recvonly、 sendonly sendrecv等值。 其中， 在 S204中， 彩像业务相关信息指彩像媒体资源信息， 比如消息 体中携带媒体资源信息， 包括媒体类型、媒体端口号， 媒体编解码器等信息， 并设置消息体的 "Content-Disposition" 值为 early-session。 彩像媒体资源信 息的内容可以是空的。 其中， 在 S204中， 被叫用户设备采用分支技术， 在按标准过程协商正 常媒体的同时， 使用分支技术中的响应消息返回彩像媒体资源信息， 并按标 准过程协商彩像媒体。 彩像业务实现方法用于 IP多媒体子系统。 通过 #居本发明的彩像业务实现方法， 可以实现 IMS域中呼叫建立过 程中同时向被叫播放多媒体信息。 附图说明 此处所说明的附图用来提供对本发明的进一步理解，构成本申请的一部 分， 本发明的示意性实施例及其说明用于解释本发明， 并不构成对本发明的 不当限定。 在附图中： 图 1为现有的彩像业务基本消息的流程图； - 图 2为根据本发明的彩像业务实现方法的流程图； 图 3为根据本发明的使用早会话技术的彩像业务基本消息的流程图； 图 4 为根据本发明的使用早会话技术与空媒体信息技术的彩像业务基 本消息的流程图； 以及 图 5为本发明的使用私有早媒体域技术的彩像业务基本消息流程图（同 时返回正常媒体和彩像媒体的资源信息）。 图 6为本发明的使用私有早媒体域技术的彩像业务基本消息流程图（先 返回彩像媒体资源信息再返回正常媒体的资源信息）。 具体实施方式 下面参考附图， 详细说明本发明的具体实施方式。 图 2为根据本发明的彩像业务实现方法的流程图。如图 2所示，该方法， 包括以下步骤： S202, 服务设备收到呼叫请求消息， 在呼叫请求消息中增加 彩像业务通知信息后转发出去； S204, 在被叫用户设备支持彩像业务的情况 下， 被叫用户设备按标准步骤协商正常媒体资源信息并返回彩像业务相关信 息； S206, 在彩像媒体资源信息协商成功后， 服务设备指示媒体资源功能实 体向被叫用户设备播放多媒体信息。 其中， 在 S206中， 在被叫用户应答后， 服务设备和 /或被叫用户设备停 止呼叫过程中播放的多媒体信息。 其中， 在 S202中， 彩像业务通知信息为以下至少一种： 业务指示信息 和业务媒体资源信息。 其中， 在 S202中， 被叫用户设备不触发本地铃声， 或被叫用户设备在 支持播放彩像业务的情况下才触发本地铃声。 其中， 在 S204 中， 彩像业务相关信息指彩像支持指示信息， 比如在 Support头域中设置 early-session值,或在 P-Early-Media头域中设置 supported 值。 其中， 在 S204中， 彩像业务相关信息指彩像媒体资源信息， 比如消息 体中携带媒体资源信息， 包括媒体类型、媒体端口号， 媒体编解码器等信息， 并在消息头中以 P-Early-Media头域设置 recvonly、 sendonly、 sendrecv等值。 其中， 在 S204中， 彩像业务相关信息指彩像媒体资源信息， 比如消息 体中携带媒体资源信息， 包括媒体类型、媒体端口号， 媒体编解码器等信息， 并设置消息体的 "Content-Disposition" 值为 early-session。 彩像媒体资源信 息的内容可以是空的。 其中， 在 S204中 , 被叫用户设备采用分支技术， 在按标准过程协商正 常媒体的同时， 使用分支技术中的响应消息返回彩像媒体资源信息， 并按标 准过程协商彩像媒体。 本发明的彩像业务实现方法可以用于 IP多媒体子系统。 下面用两个应用实例进一步说明本发明。 图 3为本发明的使用早会话技术的彩像业务基本消息流程图，描述了主 叫 UE-A呼叫被叫 UE-B时， SE使用早会话技术， 控制媒体资源功能向被叫 播放多媒体信息， 并在被叫应答后停止播放的过程， 其步骤如下：
S302, UE-A呼叫 UE-B, 比如发送 INVITE (邀请）消息， 可携带 UE-A 的媒体信息， 并可采用 Precondition (前提条件 )技术防止被叫用户设备过早 触发本地铃声。
S304， 呼叫消息途经 SE， SE判断出有彩像业务， 则 SE转发该消息给 UE-B时告知被叫有彩像业务。 比如在 P-Service-Indication 或中指示； 又比如 使用 early-session (早会话）技术， 使呼叫消息携带上早媒体信息， 早媒体信 息可使用非活动的彩像媒体资源信息， 或彩像媒体的端口全为 0。
S306, UE-B收到呼叫消息， 回应 UE-B的正常媒体资源信息， 比如回 应 "183 Session Progress" , 携带 UE-B的正常媒体资源信息， 并可告知对方 UE-B支持彩像业务， 比如可在 Support域中增加早^舌标记值 early-session, 又比如可使用早会话技术携带 UE-B支持的彩像媒体资源信息并设置相应消 息体的 "Content-Disposition" 值为 early-session, 媒体资源信息可为非活动 的， 也可端口全为 0， 也可为空的内容。
S308, 回应消息经过 SE, SE在转发该消息给 UE-A时， 去除消息中与 彩像媒体资源信息相关的内容。
S310, UE-A预确认媒体协商的结果， 比如发送 PRACK (预确认） 消 息给 UE-B。
S312, 预确认消息途径 SE, SE通过 MRFC要求 MRFP预留步骤彩像 媒体资源。
S314, 资源预留成功后， SE转发预确认消息给 UE-B, 并在转发的消息 中增加彩像媒体资源的信息， 比如使用早会话技术， 使用预留好的彩像媒体 资源信息作为早媒体信息。
S316， UE-B收到预确认消息后， 回应预确认成功消息， 比如回应 "200 OK" , 并使用早会话技术携带 UE-B的彩像媒体资源信息。
S318、 预确认成功的消息途径 SE, SE去除消息中与彩像媒体资源信息 相关的信息后转发给 UE-A。
S320, SE通过 MRFC通知 MRFP向 UE-B播放彩像。
S322, MRFP根据 MRFC的指示向 UE-B播放彩像， UE-B可决定是否 将该彩像信息播放给用户。
S324, UE-B可以震铃，向主叫方回应震铃消息，比如发送" 180 Ringing" 消息， UE-B可决定是否将本地铃声播放给用户。
S326, 震铃消息途径 SE, SE转发该消息给 UE-A。
S328, UE-B应答呼叫， 比如发送 "200 OK ( Answer )" 消息。
S330 , UE-B停止向用户播放彩像， 并释放相关的媒体资源。
S332, SE收到 UE-B的应答消息后， 通过 MRFC要求 MRFP停止播放 彩像信息， 并释放相关的媒体资源。
S334, SE转发 UE-B的应答消息给 UE-A。
S336, UE-A和 UE-B之间建立起正常媒体的会话连接。 图 4 为本发明的使用早会话技术与空媒体信息技术的彩像业务基本消 息流程图， 描述了主叫 UE-A呼叫被叫 UE-B时， SE使用早会话技术与空媒 体信息技术， 控制媒体资源功能向被叫播放多媒体信息， 并在被叫应答后停 止播放的过程， 其步骤如下：
S402, UE-A呼叫 UE-B, 比如发送 INVITE (邀请）消息， 可携带 UE-A 的媒体信息， 并可采用 Precondition (前提条件）技术防止被叫用户设备过早 触发本地铃声。 S404, 呼叫消息途经 SE, SE判断出有彩像业务， 则 SE转发该消息给 UE-B 时告知被叫有彩像业务。 比如使用早会话技术， 使呼叫消息携带上空 的早媒体信息。
S406, UE-B收到呼叫消息， 回应 UE-B的正常媒体资源信息， 比如回 应 "183 Session Progress" , 携带 UE-B的正常媒体资源信息， 并可告知对方 UE-B支持彩像业务，比如可使用早会话技术携带 UE-B支持的彩像媒体资源 信息， 可为非活动的， 也可端口全为 0。
S408, 回应消息经过 SE， SE在转发该消息给 UE-A时， 去除消息中与 彩像媒体资源信息相关的内容。
S410, UE-A预确认媒体协商的结果， 比如发送 PRACK (预确认） 消 息给 UE-B。
S412, 预确认消息途径 SE, SE通过 MRFC要求 MRFP预留步骤彩像 媒体资源。
S414, 资源预留成功后， SE转发预确认消息给 UE-B, 并在转发的消息 中增加彩像媒体资源的信息， 比如使用早会话技术， 使用预留好的彩像媒体 资源信息作为早媒体信息。
S416, UE-B收到预确认消息后， 回应预确认成功消息， 比如回应 "200 OK" , 并使用早会话技术携带 UE-B的协商后的彩像媒体资源信息。
S418, 预确认成功的消息途径 SE， SE去除消息中与彩像媒体资源信息 相关的信息后转发给 UE-A。
S420, UE-A发送更新媒体消息给 UE-B, 比如发送 UPDATE (更新）。
S422， 更新消息途径 SE , SE转发该消息给 UE-B时在消息中加入确认 的彩像媒体资源信息。
S424, UE-B收到更新消息， 回应更新成功消息给对方， 比如回应 "200 OK" 消息。
S426, 更新成功消息途径 SE, SE转发该消息给 UE-A。 以及
S428 - S444, 同于图 3中的 S320 ~ S336。 图 5为本发明的使用私有早媒体域技术的彩像业务基本消息流程图（同 时返回正常媒体和彩像媒体的资源信息）， 描述了主叫 UE-A呼叫被叫 UE-B 时， SE使用私有早媒体域技术， 控制媒体资源功能向被叫播放多媒体信息， 并在被叫应答后停止播放的过程， 其步骤如下：
S502, UE-A呼叫 UE-B, 比如发送 INVITE (邀请）消息， 可携带 UE-A 的媒体信息， 并可釆用 Precondition (前提条件 )技术防止被叫用户设备过早 触发本地铃声。
S504, 呼叫消息途经 SE, SE判断出有彩像业务， 则 SE转发该消息给 UE-B时告知被叫有彩像业务。 比如在 P-Service-Indication域中指示； 又比如 使用私有早媒体域技术， 在消息中携带有参数的私有早媒体域字段， 参数可 设为 inactive (非活动）， 也可 据需要设为其他值。
S506, UE-B收到呼叫消息， 回应 UE-B的正常媒体资源信息， 比如回 应 "183 Session Progress" , 携带 UE-B的正常媒体资源信息。
S508, UE-B支持彩像业务， 步骤 S504 中携带有彩像业务的信息， 因 此 UE- B同时再使用不同于步骤 S506的回应的会话标识发送一个新的回应， 比如再回应 " 183 Session Progress" , 可在此回应中告知对方 UE-B支持彩像 业务， 比如携带值为 supported的私有早媒体域字段， 因媒体资源信息会被重 新协商， 因此携带的媒体资源信息并不重要， 可使用与 S506 中相同的媒体 资源信息， 也可使用 UE-B支持的所有媒体资源信息。
S510, S506 的回应消息 （即不带私有早媒体域字段的回应消息） 经过 SE , SE转发该消息给 UE-A。
S512, S508的回应消息（即带值为 supported的私有早媒体域字段的回 应消息， 或与 S506的消息有相同媒体资源信息的消息）经过 SE, SE不转发 该消息给 UE-A, 并且 SE通过 MRFC要求 MRFP预留彩像媒体资源。
S514, 资源预留成功后， SE使用步骤 S508中的消息的会话标识发送预 确认消息给 UE-B , 比如发送 PRACK (预确认） 消息， 消息中携带彩像媒体 资源的信息， 并携带值为 recvonly、 sendonly或 sendrecv等的私有早媒体 i或 字段， 参数值根据彩像业务的需要设置。
S516, UE-B 4欠到步骤 S514的预确认消息后， 回应预确认成功消息， 比如回应 "200 OK" , 并携带协商后的 UE-B的彩像媒体资源信息。
S518, 预确认成功的消息途径 SE， SE不转发该消息给 UE-A, 并且 SE 通过 MRFC要求 MRFP向 UE-B播放彩像。
S520 ~ S534, 同于图 3中的步骤 S322— S336。 图 6为本发明的使用私有早媒体域技术的彩像业务基本消息流程图（先 返回彩像媒体资源信息再返回正常媒体的）， 描述了主叫 UE-A 呼叫被叫 UE-B时， SE使用私有早媒体域技术， 控制媒体资源功能向被叫播放多媒体 信息， 并在被叫应答后停止播放的过程， 其步骤如下：
S602, UE-A呼叫 UE-B, 比如发送 INVITE (邀请）消息， 可携带 UE-A 的媒体信息， 并可釆用 Precondition (前提条件 )技术防止被叫用户设备过早 触发本地铃声。
S604, 呼叫消息途经 SE, SE判断出有彩像业务， 则 SE转发该消息给 UE-B时告知被叫有彩像业务。 比如在 P-Service-Indication域中指示； 又比如 使用私有早媒体域技术， 在消息中携带有参数的私有早媒体域字段， 参数可 设为 inactive (非活动）， 也可根据需要设为其他值。
S606, UE-B收到呼叫消息， 回应 UE-B震铃的消息， 不带 UE-B的正 常媒体资源信息， 比如回应 "180 Ring，，。
S608, UE-B支持彩像业务， 步骤 S604 中携带有彩像业务的信息， 因 此 UE-B同时再使用不同于步骤 S606的消息的^舌标识发送一个新的回应， 比如再回应 "183 Session Progress" , 可在此回应中告知对方 UE-B的彩像媒 体资源信息， 比如携带值为 recvonly的私有早媒体域字段。
S610, S606 的回应消息 （即不带私有早媒体域字段的回应消息） 经过 SE, SE转发该消息给 UE-A。
S612, S608的回应消息 （即带值为 recvonly的私有早媒体域字段的回 应消息， 或与 S606的消息有相同媒体资源信息的消息）经过 SE, SE不转发 该消息给 UE-A, 并且 SE通过 MRFC要求 MRFP预留彩像媒体资源。
S614 ,资源预留成功后， SE通过 MRFC要求 MRFP向 UE-B播放彩像。 S616, MRFP根据 MRFC的指示向 UE-B播放彩像， UE- B可决定是否 将该彩像信息播放给用户。
S618, UE-B应答呼叫， 比如发送 "200 OK ( Answer )" 消息， 并携带 UE-B的正常媒体资源信息。
S620 - S626, 同于图 3中的步骤 S330 ~ S336。 以上所述仅为本发明的优选实施例而已， 并不用于限制本发明， 对于本 领域的技术人员来说， 本发明可以有各种更改和变化。 凡在本发明的精神和 原则之内， 所作的任何修改、 等同替换、 改进等， 均应包含在本发明的保护 范围之内。

Claims

权 利 要 求 书
1. 一种彩像业务实现方法， 其特征在于， 包括以下步骤：
S202, 服务设备收到呼叫请求消息， 在所述呼叫请求消息中增加彩 像业务通知信息后转发出去；
S204, 在所述被叫用户设备支持彩像业务的情况下， 所述被叫用户 设备按标准过程协商正常媒体资源信息并返回彩像业务相关信息； 以及
S206, 在彩像媒体资源信息协商成功后， 所述服务设备指示媒体资 源功能实体向所述被叫用户设备播放多媒体信息。
2. 根据权利要求 1所述的彩像业务实现方法， 其特征在于， 在所述被叫用 户应答后， 所述服务设备和 /或所述被叫用户设备停止呼叫过程中播放的 多媒体信息。
3. 根据权利要求 2所述的彩像业务实现方法， 其特征在于， 所述彩像业务 通知信息为以下至少一种： 业务指示信息和业务媒体资源信息。
4. 据权利要求 3 所述的彩像业务实现方法， 其特征在于， 在所述 S202 中， 所述被叫用户设备不触发本地铃声， 或所述被叫用户设备在支持播 放彩像业务的情况下才触发本地铃声。
5. 根据权利要求 4 所述的彩像业务实现方法， 其特征在于， 在所述 S204 中， 彩像业务支持信息指示采用早会话技术执行彩像业务。
6. ·据权利要求 4 所述的彩像业务实现方法， 其特征在于， 在所述 S204 中 , 彩像业务支持信息指示采用早会话技术和空媒体信息技术执行彩像 业务。
7. 根据权利要求 4 所述的彩像业务实现方法， 其特征在于， 在所述 S204 中， 彩像业务支持信息指示采用私有早媒体域技术执行彩像业务。
8. 根据权利要求 7所述的彩像业务实现方法， 其特征在于， 所述被叫用户 设备采用分支技术， 在按标准过程协商正常媒体的同时， 使用分支技术 中的响应消息返回彩像媒体资源信息， 并按标准过程协商彩像媒体。
9. 根据权利要求 1至 8所述的彩像业务实现方法， 其特征在于， 所述彩像 业务实现方法用于 IP多媒体子系统。
PCT/CN2007/003780 2007-08-08 2007-12-25 A method for implementing a color-image service Ceased WO2009018697A1 (en)

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