It's easy to fake the "caller-ID" field, but this doesn't fake the ANI: If it did, you could call 1-900 numbers and bill the White House. You're right about th

It's easy to fake the "caller-ID" field, but this doesn't fake the ANI: If it did, you could call 1-900 numbers and bill the White House. You're right about there being a lot of little legacy problems though; The issue I see is that the carriers aren't on the hook for it: They've made it so cheap to call someone these scammers simply need to find people whose time is worth less than mine.