Core Ring: Device Integrity
With Trusted Execution Environment, secure boot integrity verification, firmware encryption and signature certificate, it ensures integrity from startup to operation.
Data Sheet
The official Yealink SIP-T85W datasheet — description, key features and benefits, and the full specification table.
Ultra Prime Business Phone to Deliver Optimum Desktop Productivity
Especially designed for busy executives and professionals, the Yealink T85W is a Prime Business Phone featuring an adjustable 5.5-inch color LCD screen for comfortable viewing. The hall switch handset creates a quieter office environment, and Yealink's self-developed AI noise cancellation ensures superior audio quality during calls. With ultra-high-definition sound and support for broadband audio codecs, it provides realistic audio call effects. The built-in Bluetooth 5.0 and dual-band 2.4G/5G Wi-Fi 6 modules keep you updated with the latest technology. Running on a TEE hardware encryption solution, it offers secure storage. The T8X series enhances the Yealink ecosystem, compatible with more Yealink headsets, supporting configuration and upgrades through the LCD, and works with headsets featuring wearing detection for intelligent channel switching.
Yealink SIP Phone T85W
Fashionable Design
- 5.5" 960 x 480 resolution screen
- One adjustable angle for desktop placement
AI-powered Audio
- Acoustic Shield
- AI Noise Cancellation
- 3W Speaker
Enhanced Security
- Trusted Execution Environment
Flexible Connectivity
- Built-in Bluetooth 5.0, Wi-Fi 6.0
- Supports USB headset and EHS
- Supports color-screen expansion modules
Key Features and Benefits
- TEE hardware encryption solution
- Dual system function
- Unified firmware for T7X series (T73U, T73W, T74U, T74W, T77U), T85W, and T87W
- Up to 16 SIP accounts
- PoE support
- Support USB headset and EHS
- Built-in Bluetooth, WiFi
- Supports color-screen expansion modules
- One adjustable angle for desktop placement
- Wall mountable
- Handset with hall switch
Define Phone, Lead Bold
The all-new fashionable design, featuring slimmer body, larger color display, invisible hinge, emergency button, line keys and antimicrobial materials, fits into your modern style. Enjoy comfortable hand feel when you start to work with it!
Shield Strong, Stay Safe
Yealink T8 Series features Three Rings of Security — Core Ring ensures device integrity by preventing tampering and unauthorized access; Shield Ring protects network connections against intrusions and attacks; and Guard Ring secures transmission by protecting signaling, media, and user data in transit and at rest.
Three Rings of Security
Shield Ring: Network Protection
Using 802.1X authentication, WPA3 encryption, it protects against script input injections and cross-site attacks as well as content security policy, ensuring secure communications.
Guard Ring: Transmission Security
Through TLS 1.3, strong cipher suites, SRTP media protection, lock media and encrypted configuration file, it keeps communications safe and secure.
Clean Sound, Clear Calls
AI-tuned noise cancellation to create uninterrupted communication environment.
Connect Fast, Link Freely
The latest built-in Bluetooth 5.0 and Wi-Fi 6.0 provide more device coordination and flexible network connection. Instantly get on your headset by close-to-pair!
User Friendly
Yealink T85W IP Phone features an adjustable 5.5-inch color LCD screen that you can readily adjust to a comfortable viewing angle. Regarding audio quality, the T85W is coupled with the latest version of Yealink Optimal HD Voice technologies, including Yealink Acoustic Shield technology, which effectively eliminates background distractions and noises and delivers crystal clear voice even in a noisy environment. Meanwhile, complying with the latest Hearing Aid Compatibility (HAC) Regulations, its HAC handset helps people with hearing loss hear the voice more clearly.
HD Audio
Yealink Optima HD Voice technology combines cutting-edge hardware and software with wideband technology for maximum acoustic performance. Yealink's self-developed AI noise cancellation ensures better audio quality during calls. This open and highly versatile audio codec is designed to deliver superior HD audio quality compared to other wideband codecs, even in high network bandwidth environments.
High Security and Compatibility
Yealink T85W adopts the latest network security technology, supporting SRTP and TLS call encryption, 802.1x media access control, MD5 and MD5-Sess based authentication, AES security profile, and other perfect security protection mechanisms to avoid hacker attacks. It is widely compatible with third-party SIP devices and leading SIP platforms. In addition, T85W supports a dual system function, which can back up your phone system in advance to avoid system crashes caused by upgrade failure, thus providing you with enterprise-level system protection. The T8X series also supports a security center function to ensure your phone is more secure, with high-sensitivity functions and data supporting user individual control and one-click disconnection.
Customizability and Scalability
T85W not only has Gigabit PoE dual network ports for PoE power supply but also features two USB ports. You can choose based on your needs. T85W supports five pages of page turning and can accommodate up to 60 programmable buttons; in addition, T85W can cascade up to 3 color screen expansion units, expanding to 234 programmable buttons to save operation time and achieve efficient office work effectively.
Wireless Transmission
Yealink T85W has a built-in Bluetooth 5.0 module, supports Bluetooth headsets, and can connect to mobile phones via Bluetooth for phone address book matching. To adapt to the upcoming 5G Wi-Fi era, T85W has built-in dual-band Wi-Fi 6. 5G Wi-Fi offers better anti-interference and faster speed, allowing you to be one step ahead in the busy data torrent. Additionally, T85W can be used with the Yealink video conferencing soft terminal to share content from the computer to the remote end, providing the ultimate content-sharing experience.
TEE Hardware Encryption Solution
T85W uses the TEE hardware encryption solution, which can provide you with a more secure data storage experience.
Specifications
Full technical specification for the Yealink SIP-T85W.
| Audio Features |
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|---|---|
| Display and Indicator |
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| Phone Features |
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| Corded-Cordless Phone (via DECT Dongle DD10K) |
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| Directory |
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| IP-PBX Features |
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| Feature keys |
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| Interface |
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| Management |
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| Network and Security |
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| Other Physical Features |
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| Package Features |
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| Compliance | Certification marks are published as a graphic in the official Yealink SIP-T85W datasheet. |