In this process, you will be setting up either a full-featured Live phone number or a trial Sandbox phone number depending on a number of criteria.
You would be setting up a Live phone number if ALL of the following criteria match:
Your Facebook Business Manager is verified; andYour WhatsApp Business Account has passed the WhatsApp Commerce Policy check; andThis is NOT the first number that added to your WhatsApp business accountYou would be setting up a Sandbox phone number if ANY of the following criteria matches:
Your Facebook Business Manager is NOT verified; orYour WhatsApp Business Account has NOT passed the WhatsApp Commerce Policy check; orThis is the first number added to the WhatsApp business account