Messaging Support

MMS

• Can I control the order of how MMS attachments are displayed?
• Can I send or receive MMS on my toll-free phone number?
• Can I turn MMS on and off on individual phone numbers?
• How does Group Messaging work with MMS?
• What are the maximum file sizes for MMS messages for the major carriers in the US?
• What happens if I send MMS to a phone number that doesn't support MMS?
• See all 10 articles

Toll-Free Messaging

• Bandwidth toll-free verification handbook  
• Can I use Bandwidth to text-enable an existing toll-free number that is currently in-use for voice?
• Does Bandwidth offer APIs for toll-free SMS and MMS?
• Does Bandwidth offer SMPP for toll-free SMS?
• I don’t want voice on my toll-free phone number. Can I turn it off and not be charged?
• Is toll-free messaging the same thing as Free to End User (FTEU) messaging?
• See all 13 articles

Short Code Messaging

• Can I send and receive messages from a long code to a short code?
• Does Bandwidth host short codes?
• Hosted short code FAQ
• Navigating the Short Code Registry

Long Code Messaging

• 10DLC Overview and FAQ
• Costs associated with 10DLC
• Registering Brands and Campaigns for 10DLC
• AT&T 10DLC
• T-Mobile 10DLC
• Verizon 10DLC
• See all 12 articles

Hosted Messaging

• Can I text-enable a non-Bandwidth phone number?
• Hosted Messaging LOAs
• How do I import or remove phone numbers for Hosted Messaging?
• What happens if a Hosted Messaging number ports to another provider?
• What is Hosted Messaging?

Rate Limits

• Are there per number rate limits for international SMS?
• Can I request a higher MPS rate on my account to support high-volume sending?
• How does Bandwidth message queuing work?
• Is there a CTIA or messaging industry per number rate limitation on toll-free?
• What are Bandwidth’s default rate limits for messaging?
• What are rate limits?
• See all 7 articles

Troubleshooting

• Why can't I send or receive messages from an iPhone?
• How do I use Message Logs?
• MM4 error codes
• Requesting MMS Delivery Receipts for MM4 users
• How do I enable MMS Delivery Receipts when sending messages?
• Are delivery receipts available for international destinations?
• See all 15 articles

Messaging Resources and Policies

• What are carrier surcharges and how are they applied?
• Bandwidth messaging content policies
• Appropriate Use Guidelines (AUP) for Bandwidth Messaging
• How long will it take for my newly added numbers to become messaging-enabled?
• Can the ‘from number’ used for an outbound text message be a non-Bandwidth number?
• Does Bandwidth handle opt-in and opt-out keywords?
• See all 14 articles