CurrentYealink T8 Series
Yealink SIP-T85W
Prime business phone for busy executives and professionals
- Brand
- Yealink
- Series
- T8 Series
- Model
- SIP-T85W
- Status
- Current
- Documents
- 22 manuals & files
- Knowledge base
- 310 articles
Overview
About the Yealink SIP-T85W
.temp-page4 .row {padding-top:1rem;padding-bottom: 1.2rem;}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!
Specifications
SIP-T85W technical specifications
- HD voice: HD handset, HD speaker
- Hearing aid compatible (HAC) handset
- Acoustic Shield
- Smart Noise Filtering
- Audio codec: AMR-WB (optional), G.722
- Narrowband codec: AMR-NB (optional), PCMU (G.711μ), PCMA (G.711A), G.723.1, G.729, G.729A, G.729B, G.729AB, G.726, iLBC
- DTMF: In-band, Out-of-band (RFC 2833) and SIP INFO
- Full-duplex hands-free speakerphone with AEC
- VAD, CNG, AEC, PLC, AJB, AGC
- 5.5" 960 x 480 resolution screen
- 16-bit depth color
- LED for call and message waiting indication
- Dual-color (red or green) illuminated LEDs for line status information
- Intuitive user interface with icons and soft keys
- Multilingual user interface
- Caller ID with name, number, and photo
- Wallpaper
- Screensaver
- Supports both dark and light themes
Gallery
SIP-T85W product photos
Documents
SIP-T85W manuals & downloads
Datasheets, user and admin guides, quick start guides and deployment files, downloaded directly from Yealink.
Datasheets
1Quick Start Guides
1Compatibility
6- PBX PartnerAug 24, 2026
- Headset CompatibilityJul 20, 2026
- Yealink IP Phone Features Integrated with BroadSoft UC-One User Guide V1.5PDFJun 15, 2026
- Yealink SIP Phones Integrated with Metaswitch Configuring Guide V1.5PDFDec 3, 2025
- Yealink SIP Phones Integrated with Metaswitch CommPortal Phone Applications User Guide V1.6PDFDec 3, 2025
- Yealink IP Phones Deployment Guide for BroadSoft UC-One Environment V1.6PDFDec 3, 2025
Deployment
4Firmware
SIP-T85W firmware & release notes
Newest first. Check your phone’s current version under Menu → Status before upgrading, and update one phone before a whole office.
- T73U,T73W,T74U,T74W,T77U,T85W,T87W 185.87.0.35 - Firmware & Release NoteLatestROMReleased Apr 8, 2026 Download
- T73U,T73W,T74U,T74W,T77U,T85W,T87W 185.87.0.35 - Firmware & Release NoteROMReleased Apr 8, 2026 Download
- T73U,T73W,T74U,T74W,T77U,T85W,T87W 185.87.0.35 - Firmware & Release NoteROMReleased Apr 8, 2026 Download
- T73U,T73W,T74U,T74W,T77U,T85W,T87W 185.87.0.35 - Firmware & Release NoteROMReleased Apr 8, 2026 Download
- T73U,T73W,T74U,T74W,T77U,T85W,T87W 185.87.0.35 - Firmware & Release NoteROMReleased Apr 8, 2026 Download
- T73U,T73W,T74U,T74W,T77U,T85W,T87W 185.87.0.35 - Firmware & Release NoteROMReleased Apr 8, 2026 Download
- T73U,T73W,T74U,T74W,T77U,T85W,T87W 185.87.0.35 - Firmware & Release NoteROMReleased Apr 8, 2026 Download
Knowledge base
SIP-T85W how-to articles
310 articles from Yealink’s knowledge base, grouped by topic. Articles open on support.yealink.com.
Call Features39
- Anonymous CallNov 3, 2025
- Anonymous Call RejectionNov 3, 2025
- Answer CallsMay 6, 2026
- Auto AnswerNov 3, 2025
- Auto RedialNov 3, 2025
Audio Features18
- Acoustic Clarity TechnologyNov 3, 2025
- Acoustic ShieldJul 20, 2026
- Alert ToneNov 3, 2025
- Audio CodecsJul 22, 2026
- Audio VolumeJan 8, 2026
Bluetooth17
- Activate Bluetooth ModeSep 14, 2026
- Bluetooth Device Discovery FeatureSep 14, 2026
- Configure Media Audio FeatureSep 14, 2026
- Configure Phone Audio FeatureSep 14, 2026
- Deactivate Bluetooth ModeSep 14, 2026
Customize Your Phone16
- AccessibilityJun 2, 2026
- Adjust Screen ContrastJun 2, 2026
- Adjust TransparencyJun 2, 2026
- Change Administrator PasswordJun 2, 2026
- Change Backlight & TimeJun 2, 2026
Directory and Call Log16
- Call LogNov 3, 2025
- CardDAV DirectoryDec 26, 2025
- Comparison of Different ContactsNov 3, 2025
- Directory List for DirectoryDir Soft KeyNov 3, 2025
- Directory Search SettingsNov 3, 2025
Auto Provisioning Guide14
- AppendixNov 3, 2025
- Configure a Provisioning ServerJul 2, 2026
- Download and Verify ConfigurationsJul 2, 2026
- Get StartedDec 27, 2025
- GlossaryJan 13, 2026
Network Configurations14
- 802.1x AuthenticationSep 15, 2026
- DHCP OptionSep 15, 2026
- DHCP Option for IPv6Dec 27, 2025
- How to access the web user interfaceSep 15, 2026
- Internet Port and PC PortSep 15, 2026
Phone Customization14
- Analog HeadsetMar 5, 2026
- AssessibilityJul 20, 2026
- BluetoothDec 31, 2025
- DisplayJul 27, 2026
- DSS KeysJan 28, 2026
Advanced Features13
- Automatic Call Distribution (ACD)Nov 3, 2025
- Busy Lamp FieldDec 27, 2025
- Call CompletionNov 3, 2025
- Call Park and RetrieveDec 27, 2025
- Call PickupDec 27, 2025
Security Features13
- Auto Logout TimeNov 3, 2025
- Call Quality Statistic (QoE)Jun 3, 2026
- Emergency AlarmJan 6, 2026
- Encrypting and Decrypting FilesDec 27, 2025
- Incoming Network Signaling ValidationNov 3, 2025
System Applications for VP59, T58A, T58W, T88W (Pro), T88V Pro12
See all 12 articlesMore topics
Troubleshooting 10General Features 9Use CPW65 with CP965 9Use DECT Handsets with Phone 9Getting Started 8Audio Settings 7Directory 7Enter Characters 7Using DECT Handsets with Desk Phones 7Call History 6Maintain Phone 6Wireless Network 6Account Settings 5Use CP965 Star Connection Feature 3Optional Accessories with Phone 2Appendix 1CP960&CP965 Star Connection 1Device Mode 1Firmware Upgrade 1Headset Settings 1Use CP960 & CP965 with PC 1Use a Phone with a PSTN Account 1Video Features(Only T58W,VP59,T58V, T88V Pro) 1Wireless Access Point 1
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Yealink and Yealink product names are trademarks of Yealink Network Technology Co., Ltd. Product information, images and documents are published by Yealink (source) and provided here for reference by smplVoice. Firmware and documents are Yealink’s original, unmodified files.