We have completed the BAA for HIPAA compliance with Constant Contact, and want to start using SMS to communicate with individuals on our patient waitlist.   Today, we have them fill out a form to join our waitlist, which resides on our website and interfaces with our Electronic Medical Records (EMR) system. I want to be able to collect the 'opt-in' on that form that resides in our clinical management system instead of using the Constant Contact form. Is that allowed? If so, what documentation is required for us to stay compliant with FCC and Constant Contact policies for SMS messaging?  ... View more