Microsoft Teams and Skype for Business native Single-click switchover between Microsoft Teams and Skype for Business Graphical 5color TFT screen (1280 x 720) with multi-lingual support Touch screen user interface enabling up to 8 programmable keys GbE support (2 Ethernet 10/100/1000 ports) support 2x USB headset support High voice quality Full duplex speaker phone Robust security mechanisms PoE and external power supply Multi-language user interface Centralized management with AudioCodes Device Manager (available for download free of charge) The C450HD IP phone is a feature-rich, high-end executive business phone loaded with the innovative technology demanded by todays business leaders in our dynamic global economy. Its large, high resolution 5color touch screen, and optional color expansion module, combine with stunning sound quality and robust security mechanisms to place ease-of-use and high productivity at center stage.This phone is available as part of AudioCodesManaged IP