VTech DS6621-2 DECT 6.0 Cordless Phone with Bluetooth Connect to Cell/Answering System, Silver/Black with 2 Handsets DECT 6.0 Digital technologym, Digital answering system Caller ID/Call Waiting, Eliminate cell phone dead spots at home Store 1000 directories from up to 2 different cell phones Compatible with VTech models IS6100 DECT 6.0 cordless headset and MA3222 Bluetooth speakerphone, and AT&T model TL80133 DECT 6.0 speakerphone