Yealink SIP-T52S
? New structure design
? 2.8? 320 x 240-pixel color display with backlight
? Built-in Bluetooth 2.0
? USB 2.0 port for USB recording and wired/wireless USB headsets
? Opus Codec support
? T54S&T52S firmware and Auto-P template unified
? Up to 16 VoIP accounts
? Dual-port Gigabit Ethernet
? PoE support
? Paperless label design
? Wi-Fi via WF40