How to Turn On Phone Verification
Phone verification helps with your number not appearing with “Spam, Spam Likely, Unknown Caller, etc”
IMPORTANT:
Keep In mind it does come at a cost of $0.05 (5 Cents) per phone number. You are not charged for every single contact only the ones you text/call.
Go to “Settings”
Click “Business Profile”. Scroll to “General” and click the check box that says “Validate Phone numbers when first SMS is sent to a new contact”