Certified for Skype for Business, compatible with Microsoft Teams Graphical, backlit multilingual LCD (132 X 64) 4 soft keys AudioCodes Auto-provisioning GbE support (2 Ethernet 10/100/1000 ports) Robust security mechanisms Integration with voice quality monitoring USB headset connectivity High voice quality Support for SILK codec Full duplex speaker phone PoE or external power supply Multi-language user interface The 405HD IP phone is a cost-effective phone designed to offer the essential everyday features that the modern business environment demands.AudioCodes IP phones can be offered as part of our Managed IP Phones solution, which defines the IP phone as an IT-managed entity and delivers unique and complete lifecycle management of end-user desktop devices. Design Product colour Black Handset type Wired handset Product type IP Phone Performance Dual-Tone Multi-Frequency (DTMF) modes SIP info Phone features Call transfer Yes Full duplex Yes Message-waiting indicator (MWI) Yes Call pa