Yealink SIP-T85W - Wi-Fi 6 Bluetooth 5.0 IP Phone, 5.5" Color Display, 16 SIP Accounts, Dual Gigabit PoE - New

The Yealink SIP-T85W is a prime business IP phone built for busy executives and professionals who need a premium desk phone with wireless flexibility. It pairs an adjustable 5.5" 960 x 480 color display with built-in dual-band Wi-Fi 6 (802.11ax) and Bluetooth 5.0, so it connects anywhere in the office with or without an Ethernet drop. Support for 16 SIP accounts, 12 line keys with up to 60 DSS keys, dual Gigabit Ethernet ports with PoE, and USB-A and USB-C headset ports make it a strong fit for open SIP platforms, hosted VoIP, and IP-PBX deployments. Audio is driven by Yealink Optima HD Voice with AI noise cancellation and Acoustic Shield for clear calls in noisy workspaces.

Yealink SIP-T85W - Key Features & Benefits

• Built-in Wi-Fi 6 and Bluetooth 5.0: Dual-band 2.4GHz/5GHz 802.11ax Wi-Fi connects the phone without cabling, while Bluetooth 5.0 pairs wireless headsets and mobile phones directly with no extra dongle. WPA2/WPA3 wireless security is supported.
• Adjustable 5.5" Color Display: 960 x 480 resolution, 16-bit color screen on an adjustable hinge, with dark and light themes, caller ID with photo, and accessibility features for comfortable all-day viewing.
• 16 SIP Accounts and 60 Programmable Keys: 12 line keys with dual-color LEDs across 5 pages give up to 60 DSS keys for BLF, speed dial, and call features; cascade up to 3 EXP55 color-screen expansion modules for 234 programmable keys.
• AI-Powered HD Audio: Yealink Optima HD Voice, AI noise cancellation, Acoustic Shield, Smart Noise Filtering, a full-duplex hands-free speakerphone, and an HAC (hearing aid compatible) handset with hall switch deliver clear calls and 10-way local conferencing.
• Enterprise Security and Easy Management: Runs on Linux 6.1 with a TEE hardware encryption solution, Secure Boot, TLS 1.3, SRTP, IEEE 802.1X, and AES256 configuration file encryption; supports auto-provisioning via FTP/TFTP/HTTP/HTTPS, TR-069, and the Yealink Device Management Platform (YDMP/YMCS).

Yealink SIP-T85W - Technical Specifications

• Part Number: SIP-T85W • Product Type: Prime Business Wi-Fi IP Phone
• Display: 5.5" 960 x 480 color LCD, 16-bit depth, adjustable angle
• SIP Accounts: 16 • Conferencing: 10-way
• Feature Keys: 12 line keys with dual-color LEDs • up to 60 DSS keys (5 pages)
• Expansion: Up to 3 × EXP55 color-screen modules (234 programmable keys)
• Ethernet: Dual-port Gigabit Ethernet • PoE: Supported
• Wi-Fi: Built-in dual-band IEEE 802.11a/b/g/n/ac/ax, 2.4GHz/5GHz • WPA2/WPA3
• Bluetooth: Built-in Bluetooth 5.0 (headset, mobile phone, PC peripheral)
• USB: 1 × USB-A 2.0 • 1 × USB-C 2.0 (USB headset, flash drive, EXP55, EHS40)
• Handset / Headset: 1 × RJ9 (4P4C) handset port • 1 × RJ9 (4P4C) headset port • EHS and USB headset support
• Audio Codecs: G.722, G.711μ/A (PCMU/PCMA), G.723.1, G.729/A/B/AB, G.726, iLBC • AMR-WB/AMR-NB (optional)
• Security: Linux 6.1 • TEE hardware encryption • Secure Boot • TLS 1.3 • SRTP • IEEE 802.1X • OpenVPN
• Power: PoE or external 5V/2A DC adapter (adapter optional, not included) • Consumption 1.537–2.44 W (PoE)
• Dimensions (W × D × H): 266 mm × 226 mm × 85 mm • Color: Classic Grey
• Operating Temperature: -10°C to 45°C (14°F to 113°F) • Mounting: Desktop stand, wall mountable (bracket optional)
• Condition: New

Yealink SIP-T85W - Frequently Asked Questions (FAQ)

• Which phone systems does the SIP-T85W work with?
  It is an open SIP phone supporting SIP v1 (RFC 2543) and v2 (RFC 3261), and is widely compatible with third-party SIP devices and leading SIP platforms, including BroadSoft device management and auto-provisioning. It is not a Microsoft Teams or Zoom native edition — it requires a SIP-based PBX or hosted VoIP service.
• How is the phone powered? Is a power adapter included?
  The phone runs on Power over Ethernet (PoE) from a PoE switch or injector. The external 5V/2A AC adapter is optional and not included; if your network does not supply PoE, add the Yealink 5V/2A adapter. When cascading multiple EXP55 modules, an additional adapter is required.
• What is the difference between the T85W and the T87W / T74W?
  The T85W has a 5.5" 960 x 480 display, 16 SIP accounts, and built-in Wi-Fi 6 and Bluetooth 5.0. The T87W is the larger premium model in the same T8 series, while the T74W is the T7-series model with a smaller display. All share unified Yealink firmware and support the EXP55 expansion module.

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