Phone Category (3)

• Why are my Calls marked as Spam and how can I avoid it
• Phone Number Settings Explained
• How to Purchase a Phone Number for Your Business

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• 21211: Invalid 'To' Phone Number
• 21408: Your account is not allowed to send SMS to this country or region.
• 21614: 'To' number is not a valid mobile number

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• What is A2P 10DLC and why it matters
• A2P Campaign Rejection Codes & How to Fix Them