SMS
- Toll-Free Number Changes Oct 1, 2022 (FAQ)
- Sprint/T-Mobile Network Changes
- SMS Verizon Pass-through Fees
- Setting a Validity Period (TTL) for your SMS
- What encoding standards does Vonage support?
- How to check that I trust Vonage TLS Certificate?
Country-Specific Features and Restrictions
- France SMS Features and Restrictions
- India SMS Features and Restrictions
- Indonesia SMS Features and Restrictions
- Outbound SMS Features Overview
- United Kingdom SMS Features and Restrictions
- US SMS Features and Restrictions
Outbound SMS
- SMS Best Practices During COVID-19 for Users Sending Traffic to North America
- Troubleshooting SMS Delivery
- Recommended Sender ID option for A2P Alert and Transactional Messages to US Virtual Numbers
- Partner Quota Violation Error
- SMS Delivery Failure Error 95 - Unknown
- DLR Statuses
Inbound SMS
- Can LVNs with International Reach receive inbound messages from all over the world?
- How does Vonage prevent spam inbound messages being sent to Vonage rented LVNs?
- Are inbound SMS LVN available all over the world?
- Are inbound SMS free of charge all over the world?
- Can I only receive inbound SMS without sending outbound SMS?
- Why are Verification Codes not received on my virtual number?
US Short Codes
- How-To Complete the US Short Code Program Brief
- Can I add a template to my active Alerts shared short code campaign?
- Why did my PIN code get sent from a phone number?
- Can you receive inbound SMS on dedicated US short codes?
- How are STOP requests handled on the Alerts pre-approved short code?
- Do we always use short codes for US 2FA and USSC?
SMPP
- TLS certificates for SMPP nexmo.com
- TLS certificates for SMPP vonage.com
- Why are SMPP concatenated messages not delivered?
- Vonage SMPP Platform Availability
- How to Read a Vonage SMPP Delivery Receipt
- Why are my SMS messages displayed as jumbled text?
US 10 DLC
- 10DLC - Update - New requirements for 10DLC Campaigns (November 17th, 2022)
- 10DLC - Update - Sole Proprietor v2 (November 3rd, 2022)
- 10DLC - Guide to resellers
- 10DLC - Request a number pool for your campaign
- Key Dates - Past changes
- Key Dates - Upcoming changes