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I guess I'm just curious how and where spam callers enter the telco system, and why they are so difficult to stop...
by cascom 8y ago
I guess I'm just curious how and where spam callers enter the telco system, and why they are so difficult to stop...
- icedchai 8y agoHave you heard of VOIP? Anyone, literally anyone, can sign up for a VOIP phone number from anywhere in the world. They might get "stopped" after a few hundred complaints, but that isn't much of an impediment...
- Rjevski 8y agoThe PSTN is like a worldwide message queue with no authentication what so ever. Anyone can enter from anywhere in the world and spoof any number they want, even those that can’t potentially exist.