AT&T SB67030 Synapse Corded Deskset - DECT 6.0 Technology - 1.9GHz Corded Phone - Black, Silver DECT 6.0 Technology - 1.9GHz Corded 1-16 Line Operation Phone with Digital Answering System SIP Voice Over Internet Protocol (VoIP) Caller ID / Call Waiting / Speakerphone / Backlit LCD Display Wall Mountable / Mount Included Softkeys