Bandwidth Support Center Messaging Support SMS SMS SMPP SMS Error Codes Encoding SMS and MMS Messages Canadian Messaging Pass Through Fees How to Create API Tokens & Secrets (V2) How to Create an Application (V2) Appropriate Use Guidelines (AUP) for Bandwidth Messaging What is P2P and A2P Messaging? Can the ‘from number’ used for an outbound text message be a non-Bandwidth number? Does Bandwidth handle the ‘STOP’ keyword for Opt-Out? Can I send and receive messages from a Bandwidth long code to a premium short code such as a donation? Can I send and receive messages from a Bandwidth long code to a short code? Does Bandwidth host short codes? Does Bandwidth support alphanumeric sender IDs for SMS? Does Bandwidth retry HTTP callbacks if my callback URL is not reachable? Does Bandwidth store SMS/MMS messages and traffic? Can I use my Bandwidth phone numbers for SMS? What are Bandwidth's SMS Character Limits & Concatenation practices? What is SMS Messaging Encoding and Why is it Important? Message Detail Record (MDR) Field Descriptions How are foreign characters or emojis translated and segmented? Bandwidth’s Spam Blocking Policy HTTP V2 Messaging Benefits Guide How to Register a Telephone Number for Messaging Inter-Operational Requirements/Suggestions Does Bandwidth support DNS for inbound messaging? Can I have multiple binds to the same data center from one IP? Does Bandwidth support Delivery Receipts (DLR)?