We’ve gathered current information and helpful resources for messaging programs such as A2P 10DLC including frequently asked questions and other things you need to know.

These are “living” documents and will be updated periodically as new information becomes available.

Make sure to check back for updates.

10DLC What you need to know

Frequently asked questions

A2P 10DLC Pricing Summary

Program requirements

SInch Voice Messaging Best Practice Guidelines

Disallowed content policy

US SMS compliance guide

Messaging safety checklist

CTIA messaging principles and best practices

Quick reference guide for 10DLC approval

Sinch Service Provider Escalation List