<https://wp-sms-pro.com/#website>
<http://schema.org/description>
"WordPress and WooCommerce SMS Notification and OTP plugin, Integration with BuddyPress, GravityForms with Twilio, Plivo, Clickatell, Infobip, and Vonage Nexmo"
<https://wp-sms-pro.com/22857/how-to-send-private-download-urls-through-sms-by-filling-out-a-form-in-wordpress/>