Ultra-prime T8-series IP phone
A larger display, AI-enhanced audio, Wi-Fi 6 and Yealink’s latest security platform.
The Yealink SIP-T85W is a next-generation premium desk phone for executives, managers and high-use professional positions. Its 5.5-inch display, twelve physical line keys, AI Noise Cancellation, Acoustic Shield, Wi-Fi 6, Bluetooth 5.0, dual USB and modern security architecture make it a powerful replacement for older premium handsets.
At a glance
- 16 VoIP accounts
- 5.5-inch 960 × 480 colour display
- Twelve line keys with up to 60 DSS assignments
- AI Noise Cancellation and Acoustic Shield
- Built-in Wi-Fi 6 and Bluetooth 5.0
- Dual-port Gigabit Ethernet
- USB-A and USB-C connectivity
- 10-way local conferencing
Why choose the T85W?
Modern T8 design
- Slimmer body and invisible display hinge
- Large adjustable colour display
- Twelve physical line keys
- Dedicated red emergency button
- Antimicrobial materials
- Dark and light interface themes
- Caller ID with name, number and photograph
AI-enhanced audio
- HD handset and HD speaker
- Hearing-aid compatible handset
- AI Noise Cancellation
- Acoustic Shield and Smart Noise Filtering
- Powerful 3 W speaker
- Full-duplex hands-free speakerphone with echo cancellation
- Optional AMR-WB wideband codec plus G.722
Fast wireless connectivity
- Built-in dual-band Wi-Fi 6
- 2.4 GHz and 5 GHz operation
- IEEE 802.11a/b/g/n/ac/ax
- Built-in Bluetooth 5.0
- Bluetooth headset and mobile-phone connection
- Connect headset and mobile concurrently
- Can connect to a PC as a peripheral device
Three-layer security approach
- Device-integrity controls including secure boot
- Trusted Execution Environment hardware encryption
- TLS 1.3 and strong cipher support
- SRTP media protection
- AES-256 encrypted configuration files
- WPA2/WPA3 wireless security
- Protection for signalling, media and stored user data
Detailed specifications
Display and controls
- 5.5-inch 960 × 480 16-bit colour display
- Twelve illuminated line keys
- Up to 60 DSS assignments across five pages
- Four touch buttons for message, headset, mute and pagination
- Dedicated hold, transfer, redial and speakerphone keys
- Six navigation keys and two volume buttons
- Call/message LED and red/green line-status LEDs
- Wallpaper, screensaver and multilingual interface
Call handling
- Hold, forward, waiting and transfer
- One-touch speed dial, hotline, mute and DND
- Group listening and emergency calling
- Redial, call return and auto answer
- Direct IP calling
- 10-way conference
- Custom ringtones, dial plans, XML browser and XML Push
- Custom DSS keys, accessibility functions and RTCP-XR
Directories and PBX features
- Local phonebook for up to 1,000 entries
- Blocklist plus XML and LDAP remote directories
- Smart dialling, search, import and export
- All, dialled, received, missed and forwarded history
- BLF, BLA and Message Waiting Indicator
- Voicemail, visual mailbox, park, pickup, intercom and multicast
- Music on hold, call recording, mobile office and executive/assistant functions
USB and accessories
- One USB-A and one USB-C port
- USB flash-drive call recording
- USB wired and compatible wireless headsets
- EHS40 wireless-headset adaptor
- EXP55 colour-screen expansion module
- Support for selected Yealink BH, WH, UH and CP devices
- Answer/end, mute, hold, redial, volume synchronisation and multi-call control on supported accessories
- Security lock slot, RJ9 handset and headset ports
Corded-cordless option
- Optional DD10K DECT dongle
- Up to four compatible cordless handsets
- Up to four concurrent cordless calls
- Support for selected W73H, W53H, W56H, W59R, DD Phone and CP930W devices
- Desk phone can operate as a slave handset for a master deskset configuration
Management and deployment
- Browser, phone and automatic configuration
- FTP, TFTP, HTTP and HTTPS mass provisioning
- PnP, zero-touch and TR-069
- BroadSoft management
- Yealink YDMP and YMCS platform support
- Phone privacy lock
- Remote packet trace, logs, reboot and reset
Network and security
- SIP v1/v2 and call-server redundancy
- IPv4/IPv6, static/DHCP and SNTP
- VLAN, QoS, LLDP, CDP and ICE
- SRTP and TLS 1.3
- HTTPS certificate management
- AES-256 configuration encryption
- Multiple digest algorithms, 802.1X, OpenVPN and L2TP VPN
- Secure boot, TEE hardware encryption and GARP
Physical details
- Classic Grey finish
- Approx. 258.73 × 176.3 × 224.38 × 39.1 mm
- Optional wall mount
- Optional 5 V / 2 A power adaptor
- Power: approximately 1.68–2.06 W by adaptor or 1.54–2.44 W by PoE
- Operating temperature: −10°C to 45°C
- Operating humidity: 10–95%
- Package includes phone, handset and cord, 2 m CAT5e cable, stand and quick-start guide
- Power adaptor and wall bracket are optional
Who the T85W suits
Executives, managers, reception leaders and high-use professional desks wanting Yealink’s latest premium platform, larger screen and modern wireless capabilities.
Installation note: The T85W is a new platform. AbleTech will confirm Hosted PBX firmware, provisioning, expansion-module and headset compatibility before supply.
Supplied, provisioned and supported by AbleTech
We can supply the T85W as part of a new AbleTech Hosted PBX system or add it to a compatible existing AbleTech service. We provision user accounts, line keys, call-flow features, directories and supported accessories, then provide ongoing support.
Is the Yealink T85W right for your business?
Tell us how the user works and we will confirm the best handset, accessories and phone-system configuration.