Caller ID Box Landline Device w/Blacklist

This call blocker has a blacklist feature that allows up to 4000 unwanted caller numbers to be blocked, and incoming call logging for easy identification and deletion. It is easy to connect with a short RJ11 cable and does not require batteries or an extra power supply. Price drops from $49.99 to just $42.99 when you clip the $7 off coupon on the product page. Shipping is free.

Clip the $7 off coupon.