Each carrier is looking to make this universal at some point, letting those on Verizon use RCS Chat with someone on a different network such as AT&T, T-Mobile, and Sprint. Until then, each carrier is doing their own thing
Verizon and Google will be rolling out enhanced messaging (RCS) in the Messages app on Google Pixel 3 and Google Pixel 3 XL beginning this Thursday, December 6th. This messaging service brings, for example, typing indicators, very large group chats and the ability to transfer large files between the owners of these smartphones.
If you’re curious as to how to see if you have the ability for RCS Chat, you check your settings by following these directions:
- Open Messages app
- Tap the menu in the top right and choose Settings
- Tap “Advanced”
- Choose “Chat Features”
If everything is turned on for you, then you’re good to go. Don’t worry if you aren’t able to see the option just yet as your device just hasn’t received the update. Since it’s being pushed out slowly, not everyone is going to be getting it at once. Even if someone is messaging you that has RCS Chat and you don’t or vice versa, the default SMS/MMS standards will be applied.Source: The verge