:. . Entry Level IP Phone w/ 2 Line High Definition Audio Technology SIP Voice Over Internet Protocol (VoIP) 2-Line Operation Acoustic Clarity Technology Hearing Aid Compatible Bright 2.5" LCD Display Speakerphone Dual-Port 10/100 Mbps Ethernet Switch Call Forwarding Remote Missed Call Notification Call Transfer One-Touch Speed Dial One-Touch Redial Mute Do Not Disturb Call Timer IEEE 802.3af Power over Ethernet (PoE) Support Optional AC Adapter (Not Included) RJ-9 Headset Jack Multilingual Menu Support (Chinese, Danish, Dutch, English, French, German, Italian, Japanese, Korean, Norwegian, Portuguese, Russian, Spanish, Swedish) Call Hold / Call Wait Call Waiting..