AT&T ATTSB67138 SynJ 4-Line Expandable Business Phone System

DECT 6.0 technology; 10 intercom number locations; 10 speed dial numbers; 100 name/number private phone book directory; Large, lighted display; 3-party call conferencing; Lighted line indicators; Call log: 50 name/number Caller ID; Auto attendant on each line; Blue backlit keypad & display; Call screening/intercept; Call transfer between handsets & base station; Consultative call transfer; Call waiting; Caller ID display; Chain dialing; Hands-free speakerphone; Includes AC power supply;