Troubleshoot
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Why Am I Seeing the “Error: DLT Rejected” on SMSGatewayCenter?
Last Updated: 05/03/2025Encountering the “Error: DLT Rejected” message on SMSGatewayCenter, even after proper registration on the DLT (Distributed Ledger Technology) portal, can be frustrating. This error occurs when telecom operators reject your SMS due to specific compliance issues. While your setup might seem flawless, several factors could trigger this rejection. Here’s what might be happening and how...
Why Am I Getting the “Error: No Valid Phone Numbers Found!” on SMS Gateway Center?
Last Updated: 05/03/2025If you see the “Error: No Valid Phone Numbers Found!” message while using SMSGatewayCenter—whether through the API or user interface—it means the system couldn’t process your request due to restrictions on phone numbers. Don’t worry, this is a common issue with simple fixes! Here are the two most likely causes and how to resolve them:...