Please make sure your telephone line has caller ID service before purchasing;ENF860 needs caller ID service from your phone line provider to work. Dual mode;In BLOCK mode you can block callers by ...

or a landline. Here's how to do each. Note: If you want to block your own number and hide your caller ID when calling others, type *67 before the phone number you're dialing. You can block a ...

“Several months ago, on a Sunday afternoon, our home landline and two cell phones rang, one after the other. They rang many more times than normal. Also, our caller ID displayed ‘Spam Likely.