What about subscribe/unsubscribe mechanics?
SMS 10DLC FAQs
All subscribe/unsubscribe mechanisms must comply with anti-spam legislation and CTIA guidelines. All Opt-in or Opt-out messages are mandatory and must contain:
- Your brand name
- Campaign description
- Confirmation of subscription
- Message frequency to expect
- A description of the opt-out and help mechanisms such as unsubscribe links, short code stops, or other opt-outs