The Yealink SIP-T53W is a Linux-based IP office phone device designed for shared workspaces and business communication environments. It features built-in Bluetooth 4.2, dual-band Wi-Fi 2.4GHz and 5GHz, dual Gigabit Ethernet ports, and HD voice for clear sound performance.

The device supports up to 12 SIP accounts, 8 line keys, 21 memory keys, and includes a 3.7-inch graphical LCD screen with 360x160 resolution and backlighting. Connectivity options include a USB 2.0 port for call recording, wired and wireless headsets, flash drives, support for up to 3 EXP50 expansion modules, and support for the Yealink DD10K dongle for DECT headsets.

The device includes advanced audio technologies such as Acoustic Shield, Smart Noise Filtering, HAC handset, and full-duplex speakerphone. Network and security features include support for SIP v1 and v2, NAT, HTTPS certificate, AES encryption, OpenVPN, IEEE 802.1X, IPv6, LLDP/CDP/DHCP VLAN, ICE, TLS 1.3, and WPA3.

The device has a Classic Grey finish, dimensions 212 x 210.6 x 174.5 x 41.7 mm, and can be powered via PoE or an optional Yealink AC adapter.

Its model is SIP-T53W, with MPN codes W127053378, SKU W127053378, and EAN 841885104311.