DISCONTINUED AT&T EL52100 Modern and fully presented, the AT&T EL52100 comes with one mobile phone, a mobile phone speaker phone and a electronic responding to system. DECT 6.0 Technology unparalleled variety, audio quality and security, while guaranteeing wireless systems and technology don't intervene with interactions. In fact, Wyle Laboratories, an separate clinical, has verified that AT&T DECT products perform up to 45% better in variety contests against in the same way equipped phones from the leading competition. Feature DECT 6.0 Technology 1.9GHz Cordless Phone Caller ID / Call Waiting Digital Answering System Wall Mountable Speakerphone Large Backlit LCD Display