To receive SMS (text) notifications to mobile phones when forms are submitted, enable this feature. You will be given 10 free credits to try the system out. After that you will need to purchase more credits. For each phone number you enter, a verification message will be sent to that phone. The user will need to reply with Y to verify their number. Enable the checkbox next to the number(s) you want receive SMS notifications each time the form is submitted. You will be charged 1 credit for each number that is enabled each time the form is submitted.