> I'd love it if my cell phone auto-screened calls from numbers not in my address book. Give them a special message that explains the only way they'll get throu

> I'd love it if my cell phone auto-screened calls from numbers not in my address book. Give them a special message that explains the only way they'll get through is to leave a message. This feature existed (still exists?) for land lines as far back as 2000. It was an add-on service offered by MCI when they started to sell local service in NY and a few other markets. I imagine that it was probably available beyond MCI, but this is speculation. Source: worked there at the time