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Yealink SIP-T85W Premium IP Business Phone with 5.5" Display, Wi-Fi 6, Bluetooth 5.0

Delivery Time: 0-3 days

Brand Yealink

Model Number SIP-T85W

Manufacture Warranty 1 Year

EpicRise Warranty 1 Year

Product Highlights

• 5.5-inch adjustable color LCD display (960x480) with modern slim design, hidden hinge, and antimicrobial materials for executive workspaces

• AI-powered noise cancellation and Acoustic Shield technology with 3W speaker delivers crystal-clear HD voice quality in noisy environments

• Built-in dual-band Wi-Fi 6 (2.4G/5G) and Bluetooth 5.0 with dual USB ports (USB-A and USB-C) for flexible connectivity options

• Enterprise-grade security with Trusted Execution Environment, TLS 1.3, SRTP encryption, WPA3, and 802.1X authentication protection

• 16 SIP accounts, 10-way conferencing, and expandable to 200+ programmable keys with three EXP55 expansion modules for busy professionals

Overview
Specifications
FAQ
User Guides
Reviews

The Yealink SIP-T85W represents the next generation of premium business telephony, engineered specifically for executives and professionals who demand superior communication capabilities. This flagship IP phone combines cutting-edge technology with sophisticated design, featuring a 5.5-inch adjustable color display, AI-driven audio enhancement, and wireless connectivity that keeps pace with modern workplace demands.

Built on a secure Linux 6.1 platform with TEE hardware encryption, the SIP-T85W addresses the critical security concerns of enterprise IT decision-makers while delivering exceptional user experience. The Hall-effect handset creates a quieter office environment, while Yealink's proprietary AI noise cancellation ensures flawless audio quality during every call. With support for 16 SIP accounts, 10-way conferencing, and expandable programmable keys, this phone scales seamlessly from individual executive use to complex enterprise deployments.

The SIP-T85W's three-layer security architecture—Core Ring, Shield Ring, and Guard Ring—provides comprehensive protection against tampering, network intrusions, and data breaches. Combined with its antimicrobial materials, emergency button, and HAC-compliant handset, this phone delivers both operational excellence and user safety for mission-critical business communications.

Best For

The Yealink SIP-T85W is ideal for organizations requiring premium communication solutions with advanced security and connectivity features:

- Executive Offices: C-suite and senior management requiring professional-grade telephony with large display, adjustable viewing angles, and superior audio quality for high-stakes calls

- Healthcare Facilities: Medical offices and clinics needing antimicrobial materials, HAC-compliant handsets for accessibility, and secure encrypted communications for HIPAA compliance

- Financial Services: Banks, investment firms, and insurance companies requiring multi-line support, encrypted voice transmission, and enterprise-grade security for sensitive client communications

- Legal Practices: Law firms and legal departments needing conference capabilities, call recording via USB, and secure communication channels for confidential discussions

- Corporate Headquarters: Reception desks and administrative centers requiring expandable line keys, wireless connectivity options, and professional appearance for client-facing environments

Key Features

- Premium Visual Experience: 5.5-inch color LCD screen with 960x480 resolution and adjustable viewing angle for comfortable all-day use with modern slim design and hidden hinge

- AI-Enhanced Audio: Yealink Optimal HD Voice with Acoustic Shield technology, AI noise cancellation, 3W speaker, and support for wideband codecs including G.722 and AMR-WB for lifelike call quality

- Advanced Wireless Connectivity: Built-in dual-band Wi-Fi 6 (IEEE802.11ax) supporting 2.4GHz/5GHz with WPA3 encryption plus Bluetooth 5.0 for headsets and mobile device pairing

- Multi-Layer Security Architecture: Trusted Execution Environment with secure boot, TLS 1.3, SRTP media encryption, firmware signing, 802.1X authentication, and AES-256 configuration file protection

- Extensive Line Capacity: 16 SIP accounts with 12 dual-color LED line keys, 60 programmable keys out-of-box expandable to 200+ keys with three EXP55 expansion modules

- Enterprise Conferencing: 10-way local conference calling with full-duplex speakerphone, AEC, VAD, CNG, and support for both wideband and narrowband audio codecs

- Flexible USB Integration: Dual USB ports (USB-A and USB-C) supporting USB headsets, call recording to flash drive, connection to Yealink speakerphones, and PC audio peripheral mode

- Health and Safety Features: Antimicrobial materials, red emergency button, HAC-compliant handset for hearing impaired users, and Hall-effect handset switch for quieter operation

Quick Specs

Specification	Details
Display	5.5-inch color LCD, 960 x 480 resolution, adjustable viewing angle
Line Keys	12 line keys with dual-color LED, 60 programmable keys (4 pages), expandable to 200+ with EXP55 modules
SIP Accounts	16 SIP accounts
Conferencing	10-way local conference
Audio Codecs	Wideband: G.722, AMR-WB (optional) \| Narrowband: G.711μ/A, G.729, G.723.1, G.726, iLBC, AMR-NB (optional)
Speaker	3W full-duplex speakerphone with AEC
Audio Technology	Yealink Optimal HD Voice, Acoustic Shield, AI noise cancellation, VAD, CNG, PLC, AJB, AGC
Wi-Fi	Dual-band Wi-Fi 6 (IEEE802.11a/b/g/n/ac/ax), 2.4GHz/5GHz, WPA2/WPA3 encryption
Bluetooth	Bluetooth 5.0 for headsets, mobile phones, and PC peripheral mode
Network Ports	Dual Gigabit Ethernet with PoE support
USB Ports	USB-A and USB-C (dual ports)
Security Protocols	TLS 1.3, SRTP, AES-256 encryption, 802.1X, MD5/SHA1/SHA256/SHA384/SHA512, OpenVPN, L2TP VPN, secure boot, TEE encryption
Network Protocols	SIP v1/v2, IPv4/IPv6, UDP/TCP/DNS-SRV, STUN, LLDP/CDP, QoS (802.1p/Q, DSCP), ICE
Operating System	Linux 6.1 with dual system backup
Power	PoE or DC 5V (adapter sold separately)
Mounting	Desktop stand with adjustable angle, optional wall mount
Special Features	Antimicrobial materials, emergency button, HAC-compliant handset, Hall-effect handset switch
Expansion	Up to 3x Yealink EXP55 color expansion modules
Headset Compatibility	Yealink BH71/BH72/BH76, WH62/WH63 DECT, UH34/UH36/UH37/UH38 USB, EHS support

What's Included

- Yealink SIP-T85W IP Phone

- Handset with cord

- Adjustable desktop stand

- Quick Start Guide

Product Details
Color	Black
Connection Type	Wi-Fi, Bluetooth, USB

How many phone lines can the SIP-T85W support simultaneously?

The SIP-T85W supports up to 16 SIP accounts simultaneously. It features 12 physical line keys with dual-color LEDs, and provides 60 programmable keys out-of-the-box (across 4 pages). You can expand this to over 200 programmable keys by connecting up to three Yealink EXP55 color expansion modules, making it ideal for receptionists and executives managing multiple lines.

Does this phone support wireless connectivity?

Yes, the SIP-T85W features built-in dual-band Wi-Fi 6 (IEEE802.11a/b/g/n/ac/ax) supporting both 2.4GHz and 5GHz frequencies with WPA3 encryption for secure wireless networking. It also includes Bluetooth 5.0 for connecting wireless headsets, pairing with mobile phones, or functioning as a PC audio peripheral. You can still use wired Gigabit Ethernet with PoE if preferred.

What security features does the SIP-T85W provide for enterprise environments?

The SIP-T85W offers comprehensive enterprise-grade security with three protection layers: Core Ring (secure boot, TEE hardware encryption, firmware signing), Shield Ring (802.1X authentication, WPA3, prevention of injection attacks), and Guard Ring (TLS 1.3, SRTP media encryption, AES-256 configuration file encryption). It also supports OpenVPN, L2TP VPN, multiple authentication methods (MD5/SHA variants), and HTTPS certificate management for complete security compliance.

Can I use this phone with my existing USB or Bluetooth headsets?

Yes, the SIP-T85W offers extensive headset compatibility. It features dual USB ports (USB-A and USB-C) for wired USB headsets, built-in Bluetooth 5.0 for wireless headsets, and EHS support for electronic hook switch functionality. Compatible Yealink headsets include the BH71/BH72/BH76 Bluetooth series, WH62/WH63 DECT wireless headsets, and UH34/UH36/UH37/UH38 USB wired headsets. It also supports connecting CP900/CP700 speakerphones.

How many people can join a conference call on this phone?

The SIP-T85W supports 10-way local conference calling, allowing up to 10 participants on a single conference bridge. It features full-duplex speakerphone technology with AEC (Acoustic Echo Cancellation), a 3W speaker, AI noise cancellation, and Acoustic Shield technology to ensure clear audio for all participants even in noisy environments.

Is the display adjustable and what is its resolution?

The SIP-T85W features a 5.5-inch color LCD display with 960 x 480 pixel resolution. The display is mounted on an adjustable stand that allows you to customize the viewing angle for comfortable use throughout the day. The phone also includes dark mode and accessibility mode options in its improved user interface for enhanced visibility and usability.

Does this phone require a separate power adapter or can it use PoE?

The SIP-T85W supports Power over Ethernet (PoE), allowing it to receive both data and power through a single Ethernet cable when connected to a PoE-enabled network switch. This simplifies installation and reduces cable clutter. Alternatively, you can power it using a DC 5V adapter if PoE is not available, though the power adapter is sold separately.

Can I record phone calls with this device?

Yes, the SIP-T85W supports USB call recording. You can insert a USB flash drive (not included) into the USB-A port and record calls directly to the drive. This feature is useful for training, quality assurance, compliance, and documentation purposes. The phone also has dual USB ports, so you can maintain headset connectivity while recording.

Is this phone compatible with hearing aids?

Yes, the SIP-T85W includes a HAC (Hearing Aid Compatibility) compliant handset that meets the latest HAC regulations. This feature helps individuals with hearing loss hear phone conversations more clearly by reducing interference with hearing aids and cochlear implants, making the phone accessible for users with hearing impairments.

What is included in the box with the SIP-T85W?

The package includes the Yealink SIP-T85W IP Phone unit, handset with cord, adjustable desktop stand, and Quick Start Guide. The power adapter and wall mount bracket are sold separately. Any expansion modules (EXP55), headsets, or other accessories must be purchased separately based on your specific needs.