The DECT Plus technology of the Panasonic KX TG4023 phone avoids interference with wireless devices like routers, microwave ovens or baby monitors. Featuring the Intelligent Eco Mode, this Panasonic cordless phone saves power when used close to the base unit and also extends talk time. Expandable up to six handsets, this DECT 6.0 phone allows you to have one in every room. With up to 4-way conference capability, the Panasonic KX TG4023 makes business calls convenient. Block calls from unwanted pests with the call blocking facility of this Panasonic cordless phone. Know who called and when with the caller ID feature of this DECT 6.0 phone.