The CPR V5000 Call Blocker is a reliable solution for blocking unwanted calls, featuring a pre-programmed database of 5,000 numbers to prevent nuisance calls. With an interface compatible with DSL (RJ-11) systems, this black call blocker from CPR is a convenient addition to any home or office phone setup. Easy to use and effective in blocking calls, the CPR V5000 Call Blocker provides peace of mind from unwanted disturbances.
eBay