HQteleCOM.com
Ultimate Call Blocker (LAN Version) - Proactive Blocking of Unsolicited Calls (Robocalls, Scams, Non-Profit, Unwanted), Unlimited Call Blocking Capacity, Name Blocking, Whitelist Mode, Made in USA.
MCHEETA
Call Blocker, MCHEETA Premium Phone Call Blocker Landline Device, Simply Block All Unwanted Calls, Robocalls, Incoming Calls and Nuisance Calls by Pressing One Button, Black
Digitone
Digitone ProSeries Call Blocker Powerful Up-to-Date SPAM Blocking for Landline Phones - Easy Setup, One Button Blocking of RoboCalls, Four Modes of Protection
Panasonic
Panasonic Call Blocker for Landline Phones | Home Phone Auto Call Block KX-TGA710B
CPR Call Blocker
CPR V100K Spam Call Blocker for Landline Phones – Stop All Unwanted Calls at a Touch of a Button - Scam Call Blocker for Home Phones
Number Blocker V6
Number Blocker by HQTelecom.com - Works with VoIP phone lines
Generic
BLOCKY - 802 Plus Call Blocker for Landline Phones, Nuisance Phone Large Capacity, Premium Phones with Call Blocking, One Black