Do Not Originate (DNO) List: What It Is and Why VoIP Resellers Should Care
VoIP MS
JULY 15, 2025
By checking calls against these lists, carriers and VoIP platforms can proactively drop suspicious calls before they reach end users. It reduces wasted bandwidth and termination costs by eliminating obvious spam calls early. portal) to help automatically block calls from known DNO numbers on their service.
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