Description
The Yealink SIP‑T85W is an ultra‑prime business IP phone designed for executives who need a high‑performance desk phone with advanced audio, security, and connectivity features.
It combines a modern adjustable display, AI‑enhanced voice clarity, Wi‑Fi 6/Bluetooth 5.0, and enterprise‑grade security.
Audio & Voice Quality
- Optima HD Voice and AI Noise Cancellation deliver crystal‑clear conversations even in noisy environments.
- Acoustic Shield technology filters out background noise for both handset and headset use.
- 3W speaker provides loud, high‑quality speakerphone audio.
- HAC‑compatible handset supports users with hearing aids.
🖥️ Display & Usability
- 5.5″ (960×480) adjustable color LCD for comfortable viewing.
- 12 line keys with dual‑color LEDs, expandable to 60 DSS keys across multiple pages.
- Supports up to 3 EXP55 color expansion modules, enabling 200+ programmable keys.
- Modern UI with dark mode and accessibility enhancements.
🔐 Security
The T85W includes Yealink’s Three Rings of Security:
- Core Ring: Secure boot, firmware encryption, TEE hardware protection.
- Shield Ring: 802.1X, WPA3, and protections against script injection and cross‑site attacks.
- Guard Ring: TLS 1.3, SRTP, encrypted configuration files.
It also supports SRTP/TLS, AES profiles, and MD5/MD5‑Sess authentication for enterprise‑grade protection.
🌐 Connectivity
- Built‑in Wi‑Fi 6 (2.4G/5G) for fast, secure wireless networking.
- Bluetooth 5.0 for wireless headsets and mobile contact sync.
- Dual USB ports (USB‑A + USB‑C) for headsets, recording, or device mode.
- Dual Gigabit Ethernet ports with PoE support.
- Works as a USB audio peripheral when connected to a computer.
📞 Calling & Productivity
- Supports up to 16 SIP accounts.
- 10‑way local conferencing for collaboration.
- Hall‑switch handset reduces accidental noise and creates a quieter office environment.
- Compatible with Yealink’s ecosystem, including headsets with intelligent channel switching (BH76).
🛠️ Deployment & Compatibility
- Runs on Linux 6.1 with unified firmware across the T8X series.
- Easy provisioning via Yealink RPS and Boot mechanisms.
- Widely compatible with major SIP platforms such as 3CX, BroadSoft, and BroadWorks.
