The corporate route has the ability to DELIVER messages successfully to phone numbers that are active DND numbers.

The system goes through your recipients, separates them into basic route and corporate route messages, then you will be charged at one SMS unit and two sms units for both routes respectively and your messages will be successfully delivered to your recipients, so give it a try the next time you want to send your messages and be confident that phone numbers on DND as well as those that are not on the DND list will get your messages