Unsubscribe From SMS Using Opt-Out Keywords

A lead/contact can reply to an SMS with any the following exit words to prevent FrontSpin Users from sending a new SMS:

STOP

STOPALL

UNSUBSCRIBE

CANCEL

END

QUIT

Additionally, the contact can opt back into the messages by replying any of the following:

UNSTOP

UNSTOPALL

SUBSCRIBE

CONTINUE

START

JOIN