There's no need to fiddle with complex wiring to install a whole-home or small-business telephone system with this VTech DECT 6.0 3-handset cordless phone system. It boasts both an answering machine and caller ID built-in, so you never miss out on any important information. Plus, you can save up to 50 of your favourite contacts and up to 150 blocked numbers to reduce the number of nuisance calls.