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. Deploying DNO blocking not only protects the public but also benefits networks and resellers. It reduces wasted bandwidth and termination costs by eliminating obvious spam calls early.
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