Configured by default for all new accounts, promotional SMS is generally used for sending any offers or promotions to new and existing customers. Messages are sent to non-DND numbers and opt-in numbers (via myDND Manager) between 9am and 9pm only.
Transactional route can only be used for sending transactional SMS such as OTPs and alerts to your registered users. Messages can be sent 24×7 from your own 6-character Sender ID(s). To configure a transactional route, create your account today.