Standards Supported Codecs: G.711 G.729AB G.722 Wideband (7kHz) Standard based SIP support according to RFC 3261 (with SIP software) Full-duplex hands-free talking with high quality housing microphone and loudspeaker Wall mountable without extra kit Computer Telephony Integration (CTI), Third party call control Applications, Administration Remote administration: Web-based management Deployment Service Built-in applications: Local Telephone book (with SW version V3R3) Directory access (LDAP) (with SW version V3R3) Call log/history Connections 2 ports 10/100/1000Base-T built-in Ethernet switch Integrated head set jack (corded and cordless headsets and DECT headsets) Power over Ethernet (PoE) according to IEEE 802.3af or external power supply (EU, US and UK power adapters) Housing, Control elements 3-way navigation with an OK button 3 free programmable keys (pre-programmed and already labeled – for re-labeling please use the Key Labelling Tool) 3 fixed function keys (Transfer, Conference and Hold) 3 Audio keys (Loudspeaker, Headset and Mute) Volume adjustemtn with Plus/Minus keys Keypad with 12 keys Graphical monochrome display with 2 lines (2x34 characters; 205x41 pixel) Red call signalling LED