TMA-IOS-4.11
Ensure RCS Messaging Is Enabled Instead of SMS/MMS Where Available
MediumLevel 1Manual reviewios
Description
Apple added the new messaging standard RCS (Rich Communication Services) in iOS 18. RCS is the modern, industry-standard protocol intended to replace the outdated SMS (Short Message Service) and MMS (Multimedia Message Service) protocols. Profile: Level 1 - End-User Owned Devices, Level 1 - Institutionally-Owned Devices.
How it is checked
Audit method: Manual review
This recommendation cannot be checked automatically. A scan lists it with these instructions when you pass --include-manual.
From the device: Settings > Apps > Messages > RCS Messaging > Verify RCS Messaging is enabled.
How it is fixed
Fix method: Guidance or infrastructure patch
From the device: Settings > Apps > Messages > RCS Messaging > Enable RCS Messaging.
Properties
- Operating systems
- Any
- Tags
- iosdevice-settings
- Reference
- CIS Apple iOS 26 Benchmark v1.0.0 - 4.11 Ensure RCS Messaging Is Enabled Instead of SMS/MMS Where Available