Call Detail Records (CDRs)
Nobody has to listen to the call. The number dialed, the second it started, and the tower that carried it are enough to reconstruct where you were standing and who you keep coming back to.
Topic
Telephony
A collection of 4 issues
VoIP Services for Personal Use: An Overview
A second phone number is the cheapest identity partition you can buy. Which provider you rent it from decides who holds the call logs, whether the audio is encrypted, and whether 911 reaches anyone.
SPAM CALLS BE GONE!
Registering takes five minutes and costs nothing, but it only binds callers who were already following the law. Scammers were never checking the list — here is what the registry actually buys you.
Phishing, Vishing, and Spam
Urgency is the tell. Your bank will happily let you hang up and call the number on the back of the card. A vishing caller cannot afford to let you do that, so they will not.