Yealink SIP-T73W 12-Line Wi-Fi 6 Gigabit IP Phone

The Yealink SIP-T73W is a modern, versatile 12-line business IP desk phone designed for daily office professionals, hybrid workers, and call-handling staff. Featuring a 2.8-inch color LCD display, built-in dual-band Wi-Fi 6, and Bluetooth 5.0, it offers complete wireless installation flexibility without sacrificing speed or performance. Powered by Yealink Optima HD Voice, Acoustic Shield noise cancellation, and a 3W full-duplex speakerphone, the T73W delivers clear, distraction-free voice quality for everyday business operations.

Key Features & Benefits

• 2.8-Inch Color LCD Display: Clear 320x240 pixel color screen provides crisp visual management for call logs, contact directories, and light or dark interface themes.

• Built-In Dual-Band Wi-Fi 6 & Bluetooth 5.0: Integrated Wi-Fi 6 (802.11ax) allows cable-free network deployment, while native Bluetooth 5.0 enables seamless wireless headset pairing and mobile connectivity.

• 8 Line Keys & 40 Programmable DSS Keys: 8 physical line keys with dual-color LEDs support 5 page views for up to 40 customizable speed dials, extension BLF statuses, and feature keys.

• Optima HD Voice & Acoustic Shield: Combines high-definition audio hardware with Yealink Acoustic Shield and Smart Noise Filtering to block out background room distractions.

• Multi-Purpose USB 2.0 Port: Connects USB headsets, enables USB call recording, supports EHS adapters, or connects up to 3 Yealink EXP55 color sidecars for up to 234 total programmable keys.

• Dual Gigabit Ethernet & PoE: Two 10/100/1000 Mbps network ports deliver high-speed PC data pass-through with integrated Power over Ethernet (802.3af Class 2).

Technical Specifications

• Display: 2.8-inch (320 x 240 pixels) color TFT screen with backlight

• SIP Accounts & Lines: Up to 12 SIP accounts; 8 physical line keys with LED indicators

• Wireless Connectivity: Integrated dual-band Wi-Fi 6 (802.11a/b/g/n/ac/ax) and Bluetooth 5.0

• Audio Features: Optima HD Voice, Acoustic Shield technology, Smart Noise Filtering, 3W full-duplex speakerphone with AEC, Hearing Aid Compatible (HAC) handset

• Interfaces & Ports: Dual Gigabit RJ45 Ethernet ports (PoE IEEE 802.3af Class 2), 1 x USB 2.0 Type-A, 1 x RJ9 handset port, 1 x RJ9 headset port

• Expansion Capabilities: Supports up to 3 x Yealink EXP55 color screen expansion modules

• Power Source: Power over Ethernet (PoE) or optional 5V/2A DC power adapter

• Security: Linux 6.1 OS with TEE hardware encryption, WPA2/WPA3 Wi-Fi security, TLS 1.3, and SRTP encryption

Best For & Intent

• Best For: Office workers, administrative staff, hybrid remote employees, and VirtualPBX users needing a compact, feature-rich desk phone with built-in Wi-Fi 6, Bluetooth, Gigabit pass-through, and customizable line keys.

• Not Ideal For: High-level executives requiring a larger 4.3-inch or touchscreen display (consider the Yealink T74W or T77U instead).