SMS (text messaging) Opt-in is the process of receiving consumers' permission to send them text messages.
Before texting your audience, It’s not enough to have a customer’s phone number, you need to get their permission this is also called express written consent.
Please provide screenshots, email campaign, or paper form or IVR transcript of opt-in workflows
If Verbal Opt-in is collected, please add the script that describes the opt-in flow.
The Call to Action may only apply to text messaging. If your customer also uses emails or voice calls, their opt-in should be collected separately.
Phone Numbers cannot be a required field on the website where opt-in is collected. This is considered a forced opt-in. Please ensure that this field is optional on the website.
To Learn more visit: https://help.wire2air.com/hc/en-us/articles/10861504204820-SMS-Opt-in-Methods-Express-consent