A2P 10DLC Compliance – How to Register & Send Compliant SMS Messages

Overview

If you're sending SMS messages through TravelPro Suite (TPS), compliance with A2P 10DLC is required to ensure your messages get delivered and aren’t blocked by carriers.

This guide walks you through:

• What A2P 10DLC is and why it matters

• How to register your business for compliance

• Best practices for sending compliant SMS messages

• How to update your SMS opt-in funnel & messaging templates in TPS

Need step-by-step guidance? Enroll in our A2P 10DLC Compliance Course to get fully set up inside TPS.

What Is A2P 10DLC?

A2P (Application-to-Person) 10DLC (10-Digit Long Code) is a carrier-regulated system that ensures businesses send legitimate SMS messages.

• If you send marketing or automated messages using TPS, you must register your business.

• Failure to register may result in blocked messages or fines.

Want a full walkthrough?

Take the A2P 10DLC Compliance Course

Business Profile Settings (Before You Begin)

Before registering, ensure your business details are accurate in TPS

1. Go to Settings → Business Profile

2. Update your legal business name & EIN (if applicable)

3. Ensure your business address & contact details match your tax records

How to Register for A2P 10DLC

Step 1: Start the Registration Process

1. Log into TravelPro Suite

2. Navigate to SMS & Phone Settings → A2P 10DLC Registration

3. Click “Start Registration”

Step 2: Complete the 8-Step Wizard

Follow the on-screen prompts to enter:

• Business Information

• Use Case (Marketing, Notifications, Customer Service, etc.)

• Messaging Sample Templates

Enroll in the Compliance Course

Sole Proprietorship Registration (If You Don’t Have an EIN)

If you’re a sole proprietor, you can still register for A2P 10DLC, but you’ll need

• A valid business website or social media profile

• A consistent sender identity (no frequent phone number changes)

• A compliant SMS opt-in process

What Happens After Registration?

• Your A2P 10DLC application will be reviewed (usually within 1-2 weeks)

• You’ll receive a confirmation email when approved

• Your messaging will be fully compliant, avoiding carrier blocks & restrictions

If your application is rejected, check for

• Mismatched business details

• Unclear SMS messaging use cases

Full details inside the Compliance Course

Best Practices for Sending SMS Messages

To avoid flagged messages or delivery issues, follow these rules

• Only message users who have explicitly opted in

• Include opt-out instructions (e.g., “Reply STOP to unsubscribe”)

• Avoid spam triggers like “FREE $$$” or excessive capitalization

• Send messages during appropriate business hours

Best practices covered in detail in the Compliance Course

Updating Your SMS Opt-In Funnel & Supporting Items

Step 1: Update Custom Values in TPS

• Navigate to Settings → Custom Values

• Update your business name & compliance statements

• Ensure your opt-in message aligns with A2P requirements

Step 2: Update Message Templates

• Go to Automation → SMS Templates

• Ensure all pre-written SMS sequences include opt-out instructions

• Adjust wording to avoid flagging & improve delivery

Step 3: Update Your Landing Page

• Go to Funnels → SMS Opt-In Page

• Add a clear opt-in disclaimer (e.g., “By submitting, you agree to receive SMS messages.”)

• Ensure the design & text match your business branding

Full Setup Guide in the Course

Enroll in the A2P 10DLC Compliance Course

This blog post gives you the basics, but the full A2P 10DLC Compliance Course walks you through everything step-by-step, inside TPS.

Click Here to Enroll