> 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

> 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. 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