The Yealink SIP-T85W wired IP phone features a 5.5-inch color LCD with a resolution of 960 × 480 pixels and an adjustable viewing angle. It supports up to 16 SIP accounts for managing multiple lines and has two Gigabit Ethernet ports with PoE.

For wireless connectivity, it supports dual-band Wi-Fi 6 (802.11ax) and Bluetooth 5.0. HD voice, Acoustic Shield, and Smart Noise Filtering technologies help ensure clear audio, while the full-duplex speakerphone supports hands-free calls. The phone runs Linux 6.1 and features TEE hardware encryption, TLS 1.3, and SRTP encryption.

• Type: Wired IP phone
• Color: Black
• Display: 5.5-inch color LCD
• Display resolution: 960 × 480 pixels
• Display angle: Adjustable
• SIP accounts: Up to 16
• Ethernet ports: 2 Gigabit
• Power supply: PoE
• Wi-Fi: Dual-band Wi-Fi 6 (802.11ax)
• Bluetooth: Bluetooth 5.0
• Audio technologies: HD voice, Acoustic Shield, and Smart Noise Filtering
• Speakerphone: Full duplex
• Operating system: Linux 6.1
• Security: TEE hardware encryption, TLS 1.3, and SRTP
• Ports: 1 RJ9, 1 USB-A 2.0, and 1 USB-C 2.0