1.5 Differences to previous specifications / 与以前规格的差异

RCS 6.0 evolves on the functionality defined for RCS 5.3.
RCA 6.0在为RCS 5.3定义的功能上演进。

The structure of the document has been modified compared to the previous releases. A section 4 has been added to cover the cross-service functionalities. All procedures related to the Common Message Store (including Common File Store) have been moved to this new section (in sub section 4.1).
与以前的版本相比，文档的结构已被修改。 添加了第4节以涵盖跨服务功能。 与公共消息存储（包括公共文件存储）相关的所有过程已移至此新部分（在子部分4.1中）。

The following sub-sections list the major differences.
以下小节列出了主要差异。

1.5.1 New features and procedures / 新功能和程序

  • Visual Voice Mail
    视觉语音邮件
    • New section (3.13) dedicated to the management of the voicemail messages from the RCS client
      新部分（3.13）专用于管理来自RCS客户端的语音邮件消息
  • Configuration
    组态
    • New Hyper-Text Transfer Protocol (HTTP) parameter to indicate if the RCS messaging client is selected as the default voice mail application (see section 2.3.3.2)
      新的超文本传输协议（HTTP ）参数，以指示是否将RCS消息传递客户机选择为默认语音邮件应用程序（参见第2.3.3.2节）
    • New Management Object (MO) Parameters to enable/disable/manage the new services (see Annex A)
      新管理对象（MO）启用/禁用/管理新服务的参数（见附件A）
    • New MO Parameter to indicate whether the synchronization with the Common Message Store Should remain available in case the cellular data is switched off (see section A.1.15)
      新MO参数，用于指示在蜂窝数据关闭的情况下与公共消息存储器的同步是否应保持可用（请参见第A.1.15节）
  • Addressing and identities
    寻址和身份
    • New caller and callee procedures to match identity when in-call for incoming (2.5.2.2) and outgoing (2.5.3.2) SIP requests
      新呼叫方和被叫方程序在呼入时用于匹配输入的（2.5.2.2 ）和输出的（2.5.3.2 ）SIP请求的身份
    • New procedure for addressing in a request for services enriching a call (see section 2.5.3.2.1)
      在服务请求中处理的新过程，丰富了电话（见第2.5.3.2.1节）
  • Access technologies
    接入技术
    • Addition of Evolved Packet Core (EPC)-integrated WiFi when sharing the registration with Voice over Wi-Fi (VoWiFi) as defined in [PRD-IR.51]
      添加演进分组核心（EPC） - 当共享注册时通过Wi-Fi（VoWiFi）在[PRD-IR.51]中定义的集成WiFi
  • Messaging
    消息
    • Delivery of sent and received IP Messages to all online devices (see [RCS-CPM- CONVFUNC-ENDORS])
      将发送和接收的IP消息传送到所有在线设备（参见[RCS-CPM- CONVFUNC-VENDORS] ）
    • Indication that subscriber became capable to receive Short Message Service (SMS) as trigger for deferred delivery of messages (see [RCS-3GPP-SMSIW- ENDORS], [RCS-CPM-IW-ENDORS] and [RCS-CPM-CONVFUNC-ENDORS])
      指示用户能够接收短消息服务（SMS）作为延迟递送消息的触发（参见[RCS-3GPP-SMSIW-ENDORS]，[RCS-CPM-IW-ENDORS]和[RCS-CPM-CONVFUNC-ENDORS]）
  • Group Chat
    群聊
    • Handling of de-provisioned Group Chat participant (3.4.4.1.3.1 and [RCS-CPM- CONVFUNC-ENDORS])
      取消供应的群聊参与者的处理（3.4.4.1.3.1和[RCS-CPM- CONVINCE-VENDORS]）
    • Allow Group Chat initiator to remove participant from Group Chat (see [RCS- CPM-CONVFUNC-ENDORS])
      允许组聊天启动程序从组聊天中删除与会者（请参阅[RCS-CPM-CONVINCE-VENDORS]）
    • Management of ‘subject’ and ‘icon’ in Group Chat (see [RCS-CPM-CONVFUNC- ENDORS])
      在群聊中管理'主题'和'图标'（见[RCS-CPM-CONVINCE-VENDORS]）
  • File Transfer
    文件传输文件传输回退（3.5.4.8.6）
    • File transfer fallback (3.5.4.8.6) - procedure to send files and multimedia content to a contact that does not support any of the enabled File Transfer mechanisms
      将文件和多媒体内容发送到不支持任何启用的文件传输机制的联系人的过程.
  • Content Share
    内容共享
    • Call Composer pre-call service (see sections 3.6.1.3.1, 3.6.4.3 and [PRD- RCC.20])
      Call Composer预呼叫服务（见第3.6.1.3.1节，3.6。 4.3和[PRD-RCC.20]）
    • Post-call service for unanswered calls (see sections 3.6.1.3.2, 3.6.4.4 and [PRD- RCC.20])
      未应答呼叫的呼叫后服务（见第3.6.1.3.2,3.6.4.4和[PRD-RCC.20]节）
    • In-call Shared Map and Shared Sketch services (see sections 3.6.1.2, 3.6.4.5, 3.6.4.6 and [PRD-RCC.20])
      呼叫中共享地图和共享草图服务 3.6.1.2,3.6.4.5,3.6.4.6和[PRD-RCC.20]）

1.5.2 Removed features and procedures / 删除的功能和过程

  • Devices and client types
    设备和客户端类型
    • Removed Device modes
      删除设备模式
  • Access technologies
    接入技术
    • Removed Co-existence of RCS with Voice over High Speed Packet Access (VoHSPA)
      移除了RCS与VoHSPA（语音高速分组接入）的共存
  • Access Point Name (APN)
    接入点名称（APN）
    • Removed RCS-E ONLY APN
      删除RCS-E ONLY APN
  • Multi-device
    多设备
    • No more need for the disposition notifications to target the device that has sent the related message.
      不再需要处置通知来定向已发送相关消息的设备。
  • Secondary devices
    辅助设备
    • Removed control of service delivery feature
      删除了服务提供功能的控制
    • Removed the possibility to configure the device to send SMS/MMS messages to the SMS-C/MMS-C without interworking
      删除了配置设备将SMS/MMS消息发送到SMS-V/MMS-C而无需互通的可能性
  • Security and Privacy
    安全和隐私
    • Removal of support of GPRS IMS Bundled Access (GIBA)
      删除对GPRS IMS捆绑接入的支持（GIBA）
  • Content Share
    内容共享
    • Removed Video Share outside of a call
      已移除通话以外的影片分享
  • Geolocation
    地理位置
    • Removed support of Secure User Plane Location (SUPL)
      删除对安全用户平面位置（SUPL）的支持
  • IP Video Call
    IP视频呼叫
    • Removed ‘Replace a CS voice with an RCS IP Video call’ feature (section 3.9)
      删除了“用RCS IP视频呼叫替换CS语音”功能（第3.9节）
  • Configuration parameters
    配置参数
    • Removal of AVAILABILITY AUTHORISATION, FAVOURITE LINK CONTROL, FAVOURITE LINK URLS, FAVOURITE LINK LABEL MAX LENGTH, ICON MAX SIZE, LOCATION TEXT MAX LENGTH, MAX LOCATION UPDATE, PUBLISH EXPIRY TIME, XDM CHANGES SUBSCRIPTION, IM WARN SF, IM WARN IW, IM SMS FALLBACK AUTH, FIRST MSG IN INVITE, MAX CONCURRENT SESSIONS, DISABLE DIRECTION HEADER, FT THUMB, FT STANDFWD ENABLED, tel or SIP URI – international, tel or SIP URI - for non- international format, RCS-E ONLY APN, ENABLE RCS-E SWITCH, ALWAYS USE IMS APN, RCS IP VOICE CALL BREAK OUT, RCS IP VIDEO CALL UPGRADE FROM CS, RCS IP VIDEO CALL UPGRADE ATTEMPT EARLY, RCS IP VIDEO CALL UPGRADE ALLOWED ON CAPABILITY ERROR, IP VIDEO CALL DEFAULT MECH, MAX RRAM DURATION, RCS IP VIDEO DATA OFF
      删除了AVAILABILITY AUTHORISATION, FAVOURITE LINK CONTROL, FAVOURITE LINK URLS, FAVOURITE LINK LABEL MAX LENGTH, ICON MAX SIZE, LOCATION TEXT MAX LENGTH, MAX LOCATION UPDATE, PUBLISH EXPIRY TIME, XDM CHANGES SUBSCRIPTION, IM WARN SF, IM WARN IW, IM SMS FALLBACK AUTH, FIRST MSG IN INVITE, MAX CONCURRENT SESSIONS, DISABLE DIRECTION HEADER, FT THUMB, FT STANDFWD ENABLED, tel or SIP URI（国际格式）, tel or SIP URI（非国际格式）, RCS-E ONLY APN, ENABLE RCS-E SWITCH, ALWAYS USE IMS APN, RCS IP VOICE CALL BREAK OUT, RCS IP VIDEO CALL UPGRADE FROM CS, RCS IP VIDEO CALL UPGRADE ATTEMPT EARLY, RCS IP VIDEO CALL UPGRADE ALLOWED ON CAPABILITY ERROR, IP VIDEO CALL DEFAULT MECH, MAX RRAM DURATION, RCS IP VIDEO DATA OFF

1.5.3 Modified features and procedures / 修改的功能和过程

Area Section Differences from RCS 5.3
Configuration [PRD-RCC.14] Token characteristic now has undefined validity and can be included in all responses (i.e. also when configuring over cellular)
IMS Registration 2.4 Now refers to [PRD-NG.102] for Voice over LTE (VoLTE)/VoWiFi enabled devices.
IMS Registration 2.4.2 Globally Routable User agent URI (GRUU) support made optional for devices
IMS Registration 2.4.3 Simplification of the telephony tag:
- it is used to indicate if the device can receive SMSs associated with the identity used for RCS when the device is not registered in IMS for messaging
- ‘volte’, ‘vohspa’ and ‘vowifi’ values are removed
IMS Registration 2.4.6 Proxy Call Session Control Function (P-CSCF) discovery refers to [PRD-NG.102] for VoLTE/VoWiFi enabled devices
Capability discovery 2.6.1 Possible disabling by an operator of end to end capability discovery – Interoperability is provided by network based interworking
Capability discovery 2.6.1.1.2, 2.6.1.2.5.1, 2.6.1.3.1 Removal of tags related to Group Chat S&F and VSh outside of a voice call capabilities.
FT thumbnail is now only for backwards compatibility purposes.
New capabilities for Enriched calling (Call Composer, Post-Call, Shared map, Shared sketch)
Image orientation 2.7.1, 3.6.4.1.2, 3.6.4.1.3 Removal of image orientation extension for video section. The procedures are now standardized in 3GPP and referred to there
File Transfer over HTTP 3.5.4.8.3 Recommended support for Single Sign On (SSO, use of a cookie) between the client and Content Server.
Audio Messaging 3.11.4.2.1 The maximum duration Audio Message is not configurable anymore, it has been set to a hard limit of 10 minutes. Removal of the MAX RRAM DURATION configuration parameter.
Message Store 4.1, B.4, [RCS-CPM-](#_bookmark44) [MSGSTOR-ENDORS] Modification of the message archiving solution. Introduction of the Archived flag.
Removal of the RCSMessageStore folder
Message Store 4.1.4.4 Update of the Message-Correlator algorithm
Message Store 4.1.6.5, 4.1.6.6, 4.1.6.8 Clarification on the client procedures for setting the \Seen and \Deleted flags and synchronizing.
Message Store 4.1.6.8, B.4, [RCS-](#_bookmark44) CPM-MSGSTOR- [ENDORS] Add support of XLIST-CHANGEDSINCE
Message Store [RCS-CPM-](#_bookmark44) [MSGSTOR-ENDORS] Update of the Group State Object
Event Reporting Framework 4.1.4.8, [RCS-CPM-](#_bookmark41) CONVFUNC- [ENDORS] Follows the procedures of OMA CPM 2.1
Configuration parameters A.1.4.3 MAX SIZE 1-to-1 IM becomes MAX SIZE IM
Configuration parameters A.1.4.3 Possibility to configure Standalone messaging for reception only
Configuration parameters A.1.7.1 Addition of Table 78 presenting the Usage of [3GPP](#_bookmark15) [TS 24.167] MO parameters for RCS
Configuration parameters A.1.10 CAPABILITY DISCOVERY MECHANISM becomes optional and gains a new value (2 : to disable the capabililty discovery mechanism)
Configuration parameters A.1.15 Evolution of IR94 DATA OFF that becomes IP VIDEO CALL DATA OFF

Table 1: Modifications from RCS 5.3 / 表1：自RCS 5.3以来的修改

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