The Panasonic KXTGW420B Expandable Corded Phone Base Station is an easytouse phone system that provides up to 10 office phones for your home office or small office space. Compatible with up to 4 lines and up to 9 additional extensions wireless desktop units, optional handsets can be connected for a complete, customizable phone system. Wireless connections ensure freedom of movement, and DECT 6.0 technology ensures that you will continue to experience call clarity, even at long range. The KXTGW420 office phone for small business has many convenient features to support your business, to ensure that calls are heard and answered efficiently, and that the caller has a pleasant experience. Digital Receptionist answers calls and transfers them to the appropriate extension; 10 programmable ring tones can be set according to your preference; and hold music, do not disturb, and call recording ensure every call is handled professionally.