Consent language
I agree to receive SMS/MMS account notifications from Essium. Message frequency varies. Msg & data rates may apply. Reply STOP to opt out, HELP for help.
Links shown next to the checkbox: Privacy Policy and Terms of Service.
Consent screen
The product presents an unchecked checkbox with the wording above wherever a mobile number is entered (account signup Account details step, and Settings → Profile). Consent is never pre-ticked or implied by continuing.
Demonstration of the live consent control (unchecked by default; not interactive on this evidence page).
Third-party numbers
When an account holder adds someone else to a case with a phone number, that person receives a confirmation SMS and must reply YES before further SMS notifications are sent. They may reply STOP to opt out at any time.