A2P SMS routes to Anguilla

A2P SMS Direct SMS Routes: What They Are and How to Verify What a direct SMS route is, why it delivers better than indirect or grey routes, when OTP traffic needs one and how to verify a supplier's direct claim. A2P SMS SMS Carrier Filtering: What Content Gets Blocked How carrier filtering of SMS works: what OTP, transactional and promotional routes accept, restricted categories, country rules and common filter triggers. Fraud and security CLI Spoofing: Caller ID Rules for Carriers (US and UK) CLI spoofing for carriers and call centers: lawful caller ID presentation vs spoofing, FCC and Ofcom rules as of 2026 and the impact on routes. A2P SMS SMS Delivery Report (DLR): Statuses and Codes What an SMS delivery report (DLR) shows: DELIVRD, UNDELIV, EXPIRED, REJECTD and other statuses, the DLR format, error codes and how to read them. A2P SMS Transactional vs Promotional SMS: Key Differences Transactional vs promotional SMS compared: what each type means, consent, opt-out, sending hours, registration rules and why the type changes routing. A2P SMS SMS Aggregator: What It Is and How A2P Works What an SMS aggregator does, tier 1 vs tier 2 aggregators, how aggregators differ from CPaaS platforms and operators, and what to check before choosing.