By AKHIL MK in guides — Dec 13, 2021 How to send a text message when a calendly call is due 1. Go to Mobile Text Alerts - SMS Reminders -in the Zoom App Marketplace 2. Click on Continue with Zoom 3. Some authorization is needed 4. This should be a call, but just taking a webinar in this case for an example. 5. Set the time and tweak the text templates!