SMS credits allow you to send notifications to your customers via SMS in addition to Email.
When you purchase SMS Credits, they will be added to your system. Once you have credits on your system; any purchaser, who provides a mobile number during their booking and opts in to SMS notifications, will recieve SMS notifications from your system. There are a number of system messages that can be configured in the system, more details can be found on the SMS Notifications page.
SMS credits can be purchased from https://www.bookinglive.com/optional-extras