Yealink SIP-T53 is a desktop IP phone for SIP-based business calling. Its adjustable display helps position call information at a comfortable viewing angle, while the backlight supports visibility at the desk.
The 3.7-inch graphical LCD has a 360 × 160-pixel resolution. The phone supports up to 12 SIP accounts and provides 8 line keys for handling multiple lines from the handset.
Two Gigabit Ethernet ports connect the phone to a wired network. Its USB 2.0 port supports call recording and wired or wireless USB headsets. Wi-Fi and Bluetooth connectivity can be added with Yealink WF40/WF50 or BT40 adapters, respectively.