Siemens E450 DECT 6.0 Digital Cordless Phone System Robust and durable DECT 6.0 digital cordless phone system Hands-free speakerphone and built-in room monitor function; VoIP capable Caller ID; call waiting; 5 ringer melodies Resistant to shocks, dust, and water splashes 2.5 mm headset connector; multilingual menu options