The Panasonic KX-T7730 is a 12 key telephone system which is compatible with the KXT 206 and KXTA 624 systems and the new KX-TES308 and KX-TES824 phone systems. It incorporates every key-phone functionality, including an LCD display providing the user with useful information such as the number dialed, day, date, time and the duration of each call made. The LCD display also gives the user easy access to advanced system programming.