Opt-in required
You must have prior express consent from every recipient before sending marketing SMS. Consent must be documented and revocable.
Opt-out handling
OttoCall automatically honors STOP, UNSUBSCRIBE, CANCEL, QUIT and HELP keywords in supported countries. Recipients who opt out are blocked from future sends on that number pool.
Country notes
- US: TCPA and CTIA guidelines apply. A2P 10DLC registration is required for high-volume traffic.
- Canada: CASL applies. Express or implied consent must be documented.
- UK: PECR applies. Marketing messages typically require prior consent.
- India: TRAI rules and DLT registration apply. Templates and headers must be pre-registered.
- UAE: TRA rules apply; carrier approval may be required for A2P messaging.