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3. Even if port-binding is off, phone number can be traced by looking at ATM frames [some layers below TCP/IP].
The question is whether BSNL does keep ATM frame records for past months for everyone, especially even in unsuspecting cases.
3. Even if port-binding is off, phone number can be traced by looking at ATM frames [some layers below TCP/IP].
The question is whether BSNL does keep ATM frame records for past months for everyone, especially even in unsuspecting cases.