In your main Messages and Call screens, you will see '#' or '@' next to your communications.
- The '#' indicates the communications are using phone numbers to message or call.
- The '@' indicates the communications are using Sudo Handles to message or call.
, whereas Sudo phone numbers are predominately used for Sudo-to-NonSudo communications.
-You can still use your Sudo phone number for Sudo-to-Sudo communications if desired.
This change took place with the introduction of Sudo Handles in iOS 1.13.0+ and Android 1.5.0+ releases.