This is the major disadvantage of using longcodes (regular 7 digit phone number) and is the reason that any company that is serious about sending out large quan

This is the major disadvantage of using longcodes (regular 7 digit phone number) and is the reason that any company that is serious about sending out large quantity of messages, is using a shortcode (5-6 digit number) which can (with twilio) send up to 60 messages per second.