Yealink T52S
A mid-range color-screen IP desk phone with 12 SIP accounts and dual Gigabit Ethernet. It includes built-in Bluetooth 2.1 and a USB 2.0 port; Wi-Fi is available via an optional WF40 USB dongle. The phone supports up to three EXP50 color-screen expansion modules.
- 2.8-inch 320x240-pixel 16-bit color backlit LCD
- Up to 12 SIP accounts
- Dual-port Gigabit Ethernet (10/100/1000)
- Power over Ethernet: IEEE 802.3af, Class 3
- Built-in Bluetooth 2.1
- 1x USB 2.0 port (wired/wireless headsets, USB recording; Wi-Fi via optional WF40 dongle)
- Audio codecs: Opus, G.722, G.711 A/µ, G.723.1, G.726, G.729AB, iLBC
- Supports up to 3x EXP50 color-screen expansion modules