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Tag Archives: toll
Don't Dial That Digit! Twilio Has Your Back
There are certain numbers that you probably don’t want dialed with your Twilio-powered application, such as 911 (taking time away from legitimate emergencies) or 411 (costing you money). Twilio will return a 21202 error “Phone number is a ‘premium’ number” … Continue reading
Posted by
Danielle Morrill on July 20, 2009
Tagged dialing, error-codes, phone-numbers, toll, toll-free, twilio