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 Standard S model meet all the requirements of a modern office workstation and provide the demanding user with many important functions. The optiPoint 410 Standard S telephone has a full-duplex hands-free speakerphone, backlit LCD, a built in mini ethernet switch and an integrated headset port and the option to use additional function key modules.