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I meant to say the caller ID shows numbers from the local area code often. So blocking international numbers might not work.
by rdtsc 8y ago
I meant to say the caller ID shows numbers from the local area code often. So blocking international numbers might not work.
- aparks517 8y agoThe signaling data includes the real origin. CID is convenience data provided by the originator. The telcos wouldn’t use it for anything important, like billing.