Upload a list (CSV File) with all of your learner's phone numbers, and choose WhatsApp or SMS delivery. Once you enroll learners, they will get an activation message asking them to Opt-in.

• Easy way to control sign-up method from your end, as long as you have to have all learner phone numbers.
• You set the same delivery time for all learners from the start
• Learners are "anonymous users" in your analytics dashboard