The Case of the Phantom Caller
gimletmedia.com
gimletmedia.com
Tangential but related: I've been getting spam phone calls from local-to-my-number area codes (760, 619, and 858) at a rate of about 2-3 a day for more than a year now. It's funny because I don't live in San Diego anymore, so they're not actually local calls for me. VZW seems unwilling or unable to stop it. Robokiller, which promises incredible results catches 1-2 calls a week, but because the spammers are using SIP spoofing they never actually call from the same number, making it hard to compile a consistent and relevant blacklist.
Frankly, if I didn't have a chronic medical condition, and the specialist I see for it didn't require that I be able to receive phone calls to deal with scheduling, I would have insisted all of my regular contacts switch to FaceTime Audio, Signal, Telegram, etc and just disabled incoming telephone calls to my phone entirely.
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Note too that the spammers are using valid phone numbers belonging to other people, which means that a blacklist will start to block real people.
I know because someone else was getting constant spams from someone who was using my number! AFAICT there's nothing I can do about it