Stay compliant

Register my numbers and follow messaging and calling regulations.

57 articles

10DLC registration

Associate Numbers with a 10DLC Campaign

1 min read

Link your JustCall phone numbers to a registered 10DLC campaign so you can send SMS to US recipients.

Associate Phone Numbers with a 10DLC Campaign

2 min read

Learn how to add or remove JustCall phone numbers from an approved A2P 10DLC campaign so your numbers can send SMS to US recipients.

Authentication+ for Publicly Traded Companies

2 min read

Publicly traded companies must complete an Authentication+ identity verification step during 10DLC brand registration to prevent impersonation and protect their brand.

How to Register Your Brand for 10DLC

3 min read

Step-by-step guide to registering your business brand for 10DLC in JustCall. Complete brand registration to unlock higher SMS throughput and avoid carrier filtering on US local numbers.

10DLC Campaign Approval Best Practices

2 min read

Increase your chances of 10DLC campaign approval with these best practices for sample messages, opt-in descriptions, and use case alignment.

10DLC Campaign Approval Best Practices

3 min read

Follow these best practices when filling out your 10DLC campaign registration to avoid rejections and get approved faster.

How to Register a 10DLC Campaign

4 min read

After registering your brand, register each messaging campaign to tell carriers what kind of messages you send. This guide walks through campaign setup, use cases, sample messages, and approval.

10DLC Campaign Rejection Reasons

2 min read

Common reasons 10DLC campaigns are rejected and how to fix each issue for resubmission.

10DLC Campaign Types and Use Cases

2 min read

All 10DLC campaign types explained — standard, special, and low-volume. Choose the right type for your messaging needs.

10DLC Campaign Types and Use Cases

4 min read

Choose the right 10DLC campaign type for your messaging. Each type has different throughput limits, carrier review requirements, and compliance rules. This guide covers all standard campaign types.

Delete a 10DLC Campaign

2 min read

How to delete an approved, failed, or suspended 10DLC campaign from your JustCall Compliance Center and what happens to associated phone numbers.

EIN Requirement for 10DLC Registration

2 min read

An EIN (Employer Identification Number) is mandatory for 10DLC brand registration. Learn what qualifies as a valid tax ID and how to handle international registrations.

10DLC Frequently Asked Questions

3 min read

Quick answers to the most common 10DLC questions: registration timeline, costs, what happens to existing numbers, toll-free vs 10DLC, and how to check your status.

10DLC Message Flow and Call to Action

2 min read

How to describe your message flow and call-to-action for 10DLC campaign registration. Examples of approved and rejected descriptions.

10DLC Message Flow and Call-to-Action Requirements

2 min read

What your 10DLC campaign's call-to-action must include to pass review — opt-in language, privacy policies, and compliant sample messages.

10DLC Brand Registration Failure Reasons

2 min read

Why your 10DLC brand registration might fail and how to fix each issue — EIN mismatches, name inconsistencies, and address errors.

10DLC Registration Help Videos

1 min read

Video walkthroughs for completing 10DLC brand and campaign registration in JustCall.

10DLC Registration: Step-by-Step Guide

3 min read

Walk through the complete 10DLC registration process — brand registration, campaign registration, and number association — from your JustCall Compliance Center.

10DLC Rejection Reasons and How to Fix Them

4 min read

Your 10DLC brand or campaign registration was rejected? This guide covers every common rejection reason — mismatched business info, bad sample messages, missing opt-in details — with specific steps to fix each one.

10DLC Trust Scores and Throughput

2 min read

How 10DLC trust scores determine your messaging throughput — what each tier means, how many messages per second you can send, and how to move up.

10DLC Trust Scores in the US

2 min read

Detailed breakdown of how US carriers use 10DLC trust scores — scoring factors, carrier-specific behavior, and what to expect at each level.

10DLC Trust Scores and Messaging Throughput

2 min read

Understand how 10DLC Trust Scores work, what throughput you get at each level, and how to appeal a low score.

10DLC Registration: What It Is and Why You Need It

3 min read

10DLC is a carrier requirement for business SMS on local US phone numbers. Without it, your messages get filtered or blocked. Learn what 10DLC is, who needs it, and what happens if you skip registration.

All About A2P 10DLC Registration

2 min read

Complete guide to A2P 10DLC registration — what it is, why it's required, how brand and campaign registration works, pricing, and FAQ.

Maximize Your 10DLC Trust Score

2 min read

Actionable tips to improve your 10DLC trust score — EIN accuracy, website requirements, business data consistency, and appeal options.

Unregistered 10DLC Shutdown FAQ

2 min read

Frequently asked questions about the September 2023 blocking of unregistered 10DLC messages — what happened, who's affected, and what to do.

Am I Compliant? A Checklist for US Messaging

7 min read

US carriers block unregistered SMS traffic and fine businesses that violate messaging rules. This checklist covers every compliance requirement for sending...

SMS compliance & policies

Add a Contact to the Do Not Message List

1 min read

Block outbound messages to specific contacts by adding them to JustCall's Do Not Message (DNM) list. Manage suppression manually or via auto-archive settings.

Forbidden Message Categories for US and Canada

2 min read

Content categories prohibited by US and Canadian carriers in SMS messaging — SHAFT categories, carrier-specific restrictions, and consequences.

JustCall Messaging Policy

2 min read

JustCall's acceptable use policy for SMS and MMS messaging — what's allowed, what's prohibited, and enforcement actions.

Messaging Throughput for US Carriers

2 min read

Carrier-specific throughput limits for SMS on AT&T, T-Mobile, and Verizon — how trust scores, number types, and registration affect delivery speed.

SMS Compliance: TCPA, Quiet Hours, and Best Practices

4 min read

Stay compliant with US SMS regulations. This guide covers TCPA requirements, carrier rules, quiet hours, consent types, and the practices that keep your numbers in good standing.

SMS Opt-In and Opt-Out: How Consent Works in JustCall

4 min read

Every business SMS requires recipient consent. Learn how JustCall handles opt-in, opt-out, and re-subscribe workflows to keep your messaging compliant with US carrier rules and TCPA regulations.

SMS Opt-In Requirements for 10DLC

2 min read

Consent requirements for 10DLC messaging — types of opt-in, how to collect consent, documentation guidelines, and TCPA compliance.

SMS Settings: Auto-Archive and Do Not Message

2 min read

Configure automatic conversation archiving and Do Not Message list behavior in JustCall's SMS settings.

US Carrier Penalties for Non-Compliant Messaging

2 min read

What happens when you violate US carrier messaging rules — fines, number suspension, campaign shutdown, and how to avoid penalties.