Do Not Originate (DNO) List: What It Is and Why VoIP Resellers Should Care
VoIP MS
JULY 15, 2025
For example, many government agencies and businesses have phone numbers reserved for inbound customer calls (like support hotlines or emergency numbers) and never place outbound calls from those lines. Scammers know that calls from such trusted numbers will seem legitimate to victims, so they spoof those caller IDs.
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