Do Not Originate (DNO) List: What It Is and Why VoIP Resellers Should Care
VoIP MS
JULY 15, 2025
Impersonating a trusted organization (a bank, a government office, a hospital, etc.) In the same way, DNO lists can include disconnected or unused numbers that are often used in spam calls – any call spoofing one of those numbers is almost certainly illegitimate and can be safely blocked.
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