Chapter 3

Compliance & Scale

Man with wide eyes holding laptop and a magnifying glass, Twilio text and large echoing O shapes on a red background.
Man with wide eyes holding laptop and a magnifying glass, Twilio text and large echoing O shapes on a red background.

Step 7: Ensure Number Compliance

Aerial view of busy city intersection at night with colorful lights and blurred motion from cars and taxis.
Aerial view of busy city intersection at night with colorful lights and blurred motion from cars and taxis.

All U.S. messaging requires number registration for compliance:

Twilio Advantage: Twilio's Trust Hub simplifies and automates number registration, improving throughput and reducing carrier filtering or compliance issues.

Step 8: Scale with Messaging Services

Man with glasses focused on computer screen displaying code at nighttime
Man with glasses focused on computer screen displaying code at nighttime

Use Messaging Services to:

  • Pool multiple senders to increase throughput

  • Use sticky sender logic per recipient

  • Load-balance and failover automatically

  • Enable geo-matching for better routing

  • Enable SMS fallback for RCS traffic to ensure delivery to all devices

  • Integrate with Twilio's Content API and Content Builder to create rich, reusable message templates across channels

Twilio Advantage: Twilio automatically routes messages through the most efficient, compliant path.

Why Migrate Direct to Twilio?

Capability

Twilio Offering

Message-Level Delivery Receipts

Webhooks + timestamps + error codes

Messaging Insights & Analytics

Real-time visibility into delivery and engagement

Carrier Filtering Detection

Built-in with error codes and logs

Intelligent Alerts

Automatic alerts for delivery degradation & failures

Phone Number Ownership

Use and manage your own long codes, TFN, and SC

Built-In Compliance Management

Trust Hub simplifies A2P, TFN, and SC registration

Two-Way Messaging Support

Webhook-based inbound message handling

Throughput Optimization

Messaging Services + dynamic routing

Direct Carrier Connectivity

Super Network = fewer hops, better deliverability

Debugging Tools

Twilio Debugger, logging, and error tracing

RCS Support with SMS Fallback

Rich messages with fallback to SMS where RCS isn’t supported

Content Builder & Content API

Centrally manage reusable, multi-channel message templates

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