Bandwidth Support Center Messaging Support Messaging Support Find answers to questions and documentation about your Bandwidth messaging services. - Jump to section - SMS MMS Toll Free SMS Hosted Messaging Messaging International Reach Messaging Rate Limits SMS SMPP SMS Error Codes Encoding SMS and MMS Messages 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? See all 27 articles MMS What is MMS? How does Group Messaging work with MMS? What are the rate limits for MMS? What MMS message size limits must be adhered to? What happens if I send MMS to a phone number that does not support MMS? Does Bandwidth store MMS content? See all 12 articles Toll Free SMS Toll Free A2P Use Case Best Practices What is toll-free SMS? Why use toll-free SMS instead of a regular local phone number SMS? Why use a single toll-free number instead of buying 100s or 1000s of local phone numbers from which to send messages? Why use toll-free SMS instead of a short code? What use cases are supported by toll-free SMS? See all 30 articles Hosted Messaging How do I setup Hosted Messaging and text enable external phone numbers? What is Hosted Messaging? Can I text-enable a non-Bandwidth phone number? How long will it take for my newly added numbers to become messaging-enabled? How do I resolve the ‘Telephone numbers already exist’ error? Can I use the API to add/remove Hosted Messaging numbers? See all 12 articles Messaging International Reach Carrier Reach - International SMS Are delivery receipts available for international destinations? Can I send long messages internationally? Are there per number rate limits for international SMS? How much does it cost to send SMS to international destinations? Is long code MMS likely to be supported outside the US and Canada soon? See all 13 articles Messaging Rate Limits What are rate limits? What are Bandwidth’s default rate limits for messaging? Is there an inbound rate limit (MPS)? How does Bandwidth message queuing work? Are rate limits per phone number or for an entire account?