Is it illegal if someone using a free web sight for prank calls that changes your caller I.D., to listen to the voice messages of the person they are calling?
3 Answers from Attorneys
It is illegal to listen to other peoples' voice mail. Also, anyone who doesn't password-protect their voice mail box is using poor judgment.
Yes, unless he has the other person's permission.
It is a form of wiretapping, Penal Code section 631, and perhaps eavesdropping or recording, Penal Code section 632.