The Siemens optiPoint 410 S familyAll models belonging to the optiPoint 410 S families are based on the SIP protocol (Session Initiation Protocol) for effective communication with all components in the network. This enables the terminal devices to support a multitude of SIP-based communication systems. In addition they are optimized for use of the features of the Siemens HiPath 8000 communication system. Power can be supplied either locally or via Power over Ethernet (PoE) in accordance with the IEEE 802.3af standard. The Siemens optiPoint 410 Advance S model is suitable for environments where high-end equipment is especially valued. The four-line, back-lit LCD display and 19 function keys offer advanced comfort when conducting calls. An adapter slot and a USB master port guarantee connectivity to a wide range of applications and access to all features. Excellent voice quality and the fully duplex speakerphone make the optiPoint 410 Advance S a real pleasure to work with. This is complemented by a number of handy extras including optiPoint module support, a headset connection facility, an integrated interface for up to two add-on devices, and an integrated 10/100 Base-T mini-switch.