AT&T ATTSB67138 SynJ 4-Line Expandable Business Phone System APC Replacement Battery Cartridge (#32) • Surge-protection LED illuminates when

• Surge-protection LED illuminates when on & supplying conditioned utility power to plugged-in equipment

Noise Reduction Rating (NRR): 39dB

SD(TM) Card slot for up to 64GB

5"H x 24"W x 16

Built-in HDMI(R) port

AT&T ATTSB67138 SynJ 4-Line Expandable Business Phone System APC Replacement Battery Cartridge (#32) • Surge-protection LED illuminates whenDECT 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