The Panasonic KX-TGP600 expandable cordless VoIP phone provides the ultimate in mobility while on the job without sacrificing call quality or service signal. Fully-charged handsets provide 200 hours of standby time or 11 hours of talk time, while each base unit can handle up to 8 concurrent calls. Up to 6 repeaters can be used as range extenders on the Panasonic KX-TGP600, while noise reduction technology keeps calls crisp and clear. Compatible with additional Panasonic cordless handsets or desk phones for even more scalability, the Panasonic KX-TGP600 is the perfect solution for any busy office. Both new and refurbished units ship with full 1-year warranty.