RCS-高级通信服务和客户端规范版本16.0

Rich Communication Suite-Advanced CommunicationsServices and Client Specification Version 16.0 18July2025 Security Classification:Non-Confidential Access to and distribution of this document is restricted to the personspermitted by the securityclassification. This document is subject tocopyright protection. This document is to be used only for the purposes for which it has been supplied and information contained in it must not bedisclosed or in any other way made available, in whole or in part,to persons other than thosepermitted under the securityclassification withoutthe prior written approval of the Association. Copyright Notice Copyright ©2025GSM Association Disclaimer The GSMA makes no representation, warranty or undertaking (express or implied) with respect to and does not accept any responsibility for, andhereby disclaims liability for theaccuracy or completeness or timeliness of the information contained in this document. The information containedin this document may be subject to change without prior notice. Compliance Notice The information contain herein is in full compliance with the GSMAAntitrustCompliancePolicy. This Permanent Reference Document is classified by GSMA as an Industry Specification, as such it has been developed and is maintained byGSMA in accordance with the provisions set out GSMA AA.35-Procedures for Industry Specifications. GSMANon-confidentialOfficial DocumentRCC.07-Rich Communication Suite-Advanced Communications Services andClient Specification Table of Contents 1Introduction7 1.1RCS Principles and Vision71.2Scope71.3Definition of Terms81.4Document Cross-References131.5Differences to previous specifications221.5.1New features and procedures221.5.2Removed features and procedures231.5.3Modified features and procedures23 2RCS General Procedures 23 2.1RCS architecture232.2RCS devices and client types252.3Configuration Procedures262.3.1Client configuration parameters262.3.2RCS client Auto-Configuration mechanisms262.4IMS registration322.4.1General322.4.2Procedures for multidevice handling332.4.3Telephony feature tag342.4.4Services feature tags342.4.5P-CSCF discovery362.4.6IMS Flow Set Management362.4.7Loss of Registration382.4.8Connection management for Push Notification Mechanism392.5Addressing and identities392.5.1Overview392.5.2Sender Identification for Device Incoming SIP Request392.5.3Device Outgoing SIP Requests402.5.4Addressing related to Chatbots412.5.5RCS Addressing Model442.6Capability and new user discovery mechanisms452.6.1Capability Discovery452.6.2Handling of Capabilities632.7RCS protocols642.7.1void662.7.2MSRP session matching662.7.3SIP Issues662.8RCS and Access Technologies662.8.1RCS and Cellular/EPC-integrated Wi-Fi Access662.8.2Other access networks702.9End User Confirmation Requests702.10Multidevice support702.10.1Overview70 GSMANon-confidentialOfficial DocumentRCC.07-Rich Communication Suite-Advanced Communications Services andClient Specification 2.10.2Addressing of individual clients712.11Interconnect principles and guidelines712.12Access Security712.12.1IMS Security712.12.2OpenID Connect782.12.3Common Message Store Authentication and Security792.13Emergency Services792.13.1General792.13.2RCS Service Feature List792.14CPIM header extension support802.14.1CPIM header extension support feature tag802.14.2Procedures in the client802.14.3Procedures in the Messaging Server812.15Push Notification Mechanism822.15.1RCS client enabled for Push Notification Mechanism822.15.2Procedures in the Messaging Server822.15.3Client behaviour on receiving Push Notification842.15.4Capability Discovery for Push Notification842.15.5RCS client state alignment852.15.6Reconfiguration to persistent connection863RCS Services883.1General Service Overview883.2Messaging883.2.11-to-1 Messaging Technology Selection883.2.2Standalone messaging923.2.31-to-1 Chat983.2.4Group Chat1153.2.5File Transfer1253.2.6Geolocation Push services1373.2.7Audio Messaging1443.2.8Extended Messaging1463.2.9Spam and Other Inappropriate User Behaviour Handling1583.3Void1633.4Void1633.5Void1633.6Chatbots1633.6.1Architecture1633.6.2Chatbot Feature tags1663.6.3Discovery and specific management of Chatbots1673.6.4Chatbot Information1903.6.5Privacy Protection2123.6.6Spam and other Inappropriate Chatbot Behaviour Handling2193.6.7Traffic identification2263.6.8Chatbot Service2273.6.9Deferred Messaging238 GSMANon-confidentialOfficial DocumentRCC.07-Rich Communication Suite-Advanced Communications Services andClient Specification 3.6.10Rich Cards and Suggested Chip Lists2393.6.11Critical Chatbots2753.6.12Menu2754Cross-service functionality2804.1Common Message Store2804.1.1Overview2804.1.2Support of GBA in the Common Message Store2814.1.3Support of OpenID Connect in the Common Message Store2814.1.4Support for Digest Authentication2814.1.5Support for Basic Authentication2814.1.6RESTful Web Service Calls2824.1.7Folder Structure2834.1.8Common Message Store and pager/multimedia-messages2864.1.9Correlating S