Aastra 6867i - VoIP phone - SIP, RTCP, RTP, SRTP - 9 lines. A 9-line SIP phone designed for power users who demand a lot from both their phones and their networks. The Aastra 6867i provides remarkable HD wideband audio and an enhanced speakerphone that utilizes dual microphones and advanced audio processing to achieve richer and clearer handsfree conversations.Supporting today's high speed networks through dual Gigabit Ethernet ports, the 6867i offers a large color LCD display, 6 programmable soft keys, 4 programmable context sensitive system keys and native DHSG/EHS headset support. When equipped with an optional detachable keyboard, and up to three expansion modules, the 6867i becomes a robust productivity-enhancing desktop communication tool. With its fully customizable hard key layout, XML capabilities and an environmentally efficient PoE class 2 rating, the 6867i is one of the most advanced SIP desktop phones available on the market today.