6.0 Dect Digital Cordless Telephone offers Call Waiting/Caller ID that stores 50 calls, 15-minute digital answering machine, handset speakerphone and three-handset system that only requires one jack. Your calls are digitized and encrypted, making it nearly impossible for anyone to eavesdrop. Telephone will not interfere with wireless networks or electronic devices. Digital answering machine has an audible time and date stamp on recorded messages, a backlit message counter and remote message retrieval. Telephone features page/handset locator, any key answer, intercom/call transfer between handsets, 50 name/number phonebook, nine-number speed dial, blue backlit LCD, handset volume control, English/Spanish/French prompts, and selectable ring tones. Telephone is desk or wall mountable. Energy Star qualified.