3 ms·
Here in China they aggressively egress filter since ~15 years ago (source: had an E1 on fiber way back then). You can set caller ID to any number you are assign
by contingencies 5y ago
Here in China they aggressively egress filter since ~15 years ago (source: had an E1 on fiber way back then). You can set caller ID to any number you are assigned and nothing else.
- cryptonector 5y agoYes, this would work. It would have to be implemented in a lot of telcos. It would take time to get it all deployed, but there's no better time for this than today.