Compatible with Microsoft Teams and Zoom Phone Graphical, backlit multilingual LCD Full SIP protocol support with extensive interoperability Integration with voice quality monitoring Full duplex speaker phone USB headset connectivity The 405HD IP phone is a cost-effective phone designed to offer the essential everyday features that the modern business environment demands.The 405HD is equipped with a USB port and 2 Ethernet 10/100/1000 ports.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 park Yes Caller ID Yes Call waiting Yes Speed dialling Yes Call hold Yes Call forwarding Yes Conference call Yes Re