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Messaging Support
Find answers to questions about your Bandwidth messaging services.
Delivery Receipts
- Are delivery receipts available for international destinations?
- Can I get Delivery Receipts for MMS messages?
- Delivery Receipt (DLR) FAQs
- How do I enable MMS Delivery Receipts when sending messages?
- How do I opt out of A2P traffic as a T-Mobile subscriber?
- Requesting MMS Delivery Receipts for MM4 users
- See all 7 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?
Long Code Messaging
- 10DLC FAQ
- 10DLC Overview
- 10DLC vetting process
- Costs associated with 10DLC
- Registering brands and campaigns for 10DLC
- 10DLC provisioning errors
- See all 23 articles
Messaging FAQ
- Can I have multiple binds to the same data center from one IP?
- Can I use my Bandwidth phone numbers for SMS?
- Can the ‘from number’ used for an outbound text message be a non-Bandwidth number?
- Does Bandwidth handle opt-in and opt-out keywords?
- Does Bandwidth store SMS/MMS messages and traffic?
- Does Bandwidth support DNS for inbound messaging?
- See all 13 articles
Messaging Insights
- How do I use the Capacity page?
- How do I use the Delivery page?
- How do I use the Usage page?
- How do I use Message Logs?
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?
- What are the maximum file sizes for MMS messages for the major carriers in the US?
- What are the MMS file size limits?
- See all 10 articles
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
Messaging Compliance
- Messaging compliance best practices
- Understanding SPAM complaints
- Carrier consent audits
- Sev-0 violations
- Root Cause Analysis
Resources and Policies
- A2P use case best practices
- Bandwidth messaging content policies
- Black Friday and Cyber Monday messaging sending guide
- Messaging URL best practices
Short Code Messaging
- Bandwidth short code handbook
- 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
- Short Code Lease Renewal Manager
Toll-Free Messaging
- Bandwidth toll-free verification handbook
- Bulk toll-free verification guide
- 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?
- See all 14 articles
Troubleshooting
- Does Bandwidth retry HTTP messaging callbacks if my callback URL isn't reachable?
- How can I investigate my Bandwidth messages using Search and Logs?
- How can I tell if my messages are being blocked?
- How do I resolve the delivery failure error code 4452?
- MM4 error codes
- SMPP SMS delivery receipts and error codes
- See all 10 articles