Chapter 3

Compliance & Scale

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Step 7: Ensure Number Compliance

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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

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  • 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