Codecanyon Gravity Forms SMS Pro 14539019
    1. The possibility to define an infinite mobile number of Admins for each form.
    2. The possibility to send SMS messages to Users (defining the mobile field)
    3. The possibility to send messages to additional numbers
    4. The possibility to create infinite feeds and ability to use conditional logic for each feed
    5. Compatibility with every mobile number’s input mask
    6. The possibility to define country codes in a static or dynamic mode (based on the desired field)
    7. Compatibility with payment gateways (ability to arrange sending messages after successful, unsuccessful, etc. payments)
    8. Includes many merge tags such as Payment Transaction code, Payment Gateway name, etc.
    9. The added feature of SMS meta-box in each entry to enable sending responses quickly and easily within a message
    10. The possibility to send group messages to several entries
    11. The possibility to send messages to any particular number
    12. Keeps a record of the messages’ details in notes
    13. Records all sent messages in a special table
    14. Compatibility with popular SMS gateways
    15. Verifies the mobile number via SMS before Submitting the form (ability to define verification code input mask and also to enter verification codes manually)
https://codecanyon.net/item/gravity-forms-sms-pro/14539019