Crystal-clear sound Full duplex speaker phone Native support for Microsoft Teams Superior voice quality PoE or external power supply Robust security mechanisms The AudioCodes C435HD IP phone is a Microsoft Teams-native entry level/common area phone designed to support the next generation of enterprise collaboration technologies. Equipped with a 4.3color LCD screen, the C435HD supports Microsoft Teams out-of-the-box to deliver feature-rich unified communications. Design Wall mountable Yes Product colour Black Handset type Wired handset Product type IP Phone Performance Dual-Tone Multi-Frequency (DTMF) modes SIP info Operating system version 9.0 Operating system installed Android Phone features Call transfer Yes Full duplex Yes Message-waiting indicator (MWI) Yes Call park Yes Caller ID Yes Call waiting Yes Call hold Yes Call forwarding Yes Conference call Yes Redialing Yes Do not disturb function Yes Call pick up Yes Answering machine Yes Management features Keypad number of keys 8 Vo