Panasonic KX-TG2357PK 2.4 GHz DSS Cordless Phone with Dual Handsets, Answering System, and Talking Caller ID (Silver) with Bonus Headset Included 2.4 GHz digital frequency-hoping 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