RCC.07 v8.0

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RICH COMMUNICATION SERVICES
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  GSM Association Non-confidential Official Document RCC.07 - Rich Communication Suite 7.0 Advanced Communications Services and Client Specification V8.0 Page 1 of 368 Rich Communication Suite 7.0 Advanced Communications Services and Client Specification   Version 8.0   28 June 2017   This is a Non-binding Permanent Reference Document of the GSMA Security Classification: Non-confidential Access to and distribution of this document is restricted to the persons permitted by the security classification. This document is confidential to the Association and is subject to copyright protection. This document is to be used only for the purposes for which it has been supplied and information contained in it must not be disclosed or in any other way made available, in whole or in part, to persons other than those permitted under the security classification without the prior written approval of the Association. Copyright Notice Copyright © 2017 GSM Association Disclaimer The GSM Association (“Association”) makes no representation, warranty or undertaking (express or implied) with respect to and does not accept any responsibility for, and hereby disclaims liability for the accuracy or completeness or timeliness of the information contained in this document. The information contained in this document may be subject to change without prior notice.  Antitrust Notice The information contain herein is in full compliance with the GSM Association’s antitrust compliance policy.    GSM Association Non-confidential Official Document RCC.07 - Rich Communication Suite 7.0 Advanced Communications Services and Client Specification v8.0 Page 2 of 368 Table of Contents 1   Introduction 6   1.1   RCS Principles and Vision 6   1.2   Scope 6   1.3   Definition of Terms 7   1.4   Document Cross-References 12   1.5   Differences to previous specifications 19   1.5.1   New features and procedures 19   1.5.2   Removed features and procedures 20   1.5.3   Modified features and procedures 21   2   RCS General Procedures 21   2.1   RCS architecture 21   2.2   RCS devices and client types 23   2.3   Configuration Procedures 24   2.3.1   Client configuration parameters 24   2.3.2   RCS client autoconfiguration mechanisms 24   2.4   IMS registration 29   2.4.1   General 29   2.4.2   Procedures for multidevice handling 31   2.4.3   Telephony feature tag 31   2.4.4   Services feature tags 32   2.4.5   P-CSCF discovery 33   2.4.6   IMS Flow Set Management 34   2.4.7   Loss of Registration 36   2.5   Addressing and identities 36   2.5.1   Overview 36   2.5.2   Device Incoming SIP Request 36   2.5.3   Device Outgoing SIP Request 39   2.5.4   Addressing related to Chatbots 42   2.6   Capability and new user discovery mechanisms 44   2.6.1   Capability discovery 44   2.6.2   Handling of Capabilities 60   2.7   RCS protocols 61   2.7.1   RTP and NAT traversal 63   2.7.2   MSRP session matching 65   2.7.3   SIP Issues 66   2.8   RCS and Access Technologies 66   2.8.1   RCS and Cellular/EPC-integrated Wi-Fi Access 66   2.8.2   Other access networks 70   2.9   End User Confirmation Requests 70   2.10   Multidevice support 71   2.10.1   Overview 71   2.10.2   Addressing of individual clients 71   2.11   Interconnect principles and guidelines 72    GSM Association Non-confidential Official Document RCC.07 - Rich Communication Suite 7.0 Advanced Communications Services and Client Specification v8.0 Page 3 of 368 2.12   Access Security 72   2.12.1   IMS Security 72   2.12.2   OpenID Connect 78   2.12.3   Common Message Store Authentication and Security 79   2.13   Emergency Services 79   2.13.1   General 79   2.13.2   RCS Service Feature List 79   3   RCS Services 80   3.1   General Service Overview 80   3.2   Messaging 80   3.2.1   1-to-1 Messaging Technology Selection 80   3.2.2   Standalone messaging 83   3.2.3   1-to-1 Chat 86   3.2.4   Group Chat 102   3.2.5   File Transfer 111   3.2.6   Geolocation Push services 136   3.2.7   Audio Messaging 143   3.2.8   Plug-ins 144   3.3   Content sharing 155   3.3.1   In-Call services 155   3.3.2   Other Content Sharing Services 162   3.4   IP Voice Call 162   3.4.1   Overview 162   3.4.2   Devices using RCS IP voice calls 163   3.5   IP Video Call 164   3.5.1   Overview 164   3.5.2   Devices using RCS IP video calls 165   3.6   Chatbots 168   3.6.1   Architecture 169   3.6.2   Chatbot Feature tags 171   3.6.3   Discovery 173   3.6.4   Chatbot Information Retrieval 175   3.6.5   Privacy Protection 183   3.6.6   Spam Handling 191   3.6.7   Traffic identification 195   3.6.8   Chatbot Service 196   3.6.9   Deferred Messaging 199   3.6.10   Rich Cards and Suggested Chip Lists 201   4   Cross-service functionality 227   4.1   Common Message Store 227   4.1.1   Overview 227   4.1.2   Support of GBA in the Common Message Store 227   4.1.3   Support of OpenID Connect in the Common Message Store 228   4.1.4   Support for Digest Authentication 228    GSM Association Non-confidential Official Document RCC.07 - Rich Communication Suite 7.0 Advanced Communications Services and Client Specification v8.0 Page 4 of 368 4.1.5   Support for Basic Authentication 228   4.1.6   RESTful Web Service Calls 229   4.1.7   Folder Structure 230   4.1.8   Common Message Store and pager/multimedia-messages 232   4.1.9   Correlating SMS/MMS messages with messages stored in the Common Message Store 234   4.1.10   Correlation Algorithm for SMS 235   4.1.11   Dealing with Collisions 239   4.1.12   Recording of SMS messages 240   4.1.13   Recording of MMS messages 248   4.1.14   Optimisations for UNI operations to Common Message Store 258   4.1.15   A Common File Store for File Transfer via HTTP 259   4.1.16   Client behaviour 261    Annex A Managed objects and configuration parameters 267   A.1.   Management objects parameters overview 267   A.1.1.   Configuration parameters for the management of RCS services 267   A.1.2.   Presence related configuration 268   A.1.3.   Messaging related configuration 269   A.1.4.   File Transfer related configuration 273   A.1.5.   Content Sharing related configuration 275   A.1.6.   IMS Core / SIP related configuration 276   A.1.7.   Geolocation related configuration 280   A.1.8.   Configuration related with Address book Back-up/Restore 281   A.1.9.   Capability discovery related configuration 281   A.1.10.   APN configuration 282   A.1.11.   IP Voice and Video Call configuration 283   A.1.12.   Service Provider specific extensions 283   A.1.13.   Plug-in configuration parameters 284   A.1.14.   Data Off 284   A.2.   Provisioning Document of the RCS Management tree 289   A.2.1.   Application characteristic type for the RCS Management tree 289   A.2.2.   Services sub tree additions 289   A.2.3.   Presence sub tree 305   A.2.4.   Messaging sub tree additions 305   A.2.5.   Capability discovery MO sub tree 321   A.2.6.   APN Configuration MO sub tree 326   A.2.7.   Other RCS Configuration MO sub tree 327   A.2.8.   Service Provider Extensions MO sub tree 329   A.3.   IMS sub tree additions 330   A.4.   Configuration XML document structure and examples 332   A.4.1.   HTTP configuration XML structure 332   A.4.2.   Configuration XML document sample 334    Annex B : Additional diagrams 337   B.1.   Chat and store and forward diagrams 337   B.1.1.   Store and forward: Receiver offline 337  
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