(A robocall's legality depends on several factors, including the technology used to make it, whether it's to a landline ... blocking them) and listing your phone number on the National Do Not Call ...

Please make sure your telephone line has caller ID service before purchasing;ENF860 needs caller ID service from your phone line provider ... Add 256 NAMES to block calls by name.

【Robocall Blocker】Connect to landline cordless phones to block robocalls, unknown International, prefix and other callers; ideal for phones without call Block or limited registration capability.