Panasonic KX-TG2357B 2.4 GHz DSS Cordless Phone with Dual Handsets, Answering System, and Talking Caller ID (Black) 2.4 GHz digital frequency-hopping spread spectrum signal Integrated digital answering system; 2 handsets Caller ID with call waiting, talking caller ID, 50-call history Digital duplex speakerphones in base and handset Illuminated keypad, wall-mountable