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Messaging Support
Find answers to questions about your Bandwidth messaging services.
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?
- Canada toll-free messaging best practices
- 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?
- See all 14 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 11 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
- How to use the Messaging Insights dashboards
- How can I investigate my Bandwidth messages using Search & Logs?
- 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
- See all 17 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