The Yealink SIP-T85W Yealink T8 Series is a premium IP SIP phone designed for executive users and business environments that require highly reliable, professional connectivity. Combining modern design, advanced voice performance, state-of-the-art wireless connectivity, and multi-line call management, this phone is an ideal solution for administrative offices, conference rooms, sales teams, support centers, and businesses that rely on UC and VoIP systems.

The phone supports up to 16 SIP accounts, giving the user the ability to efficiently manage multiple lines and connections simultaneously. This feature makes it suitable for executives, department heads, and professional receptionists who need to track, transfer, hold, or pick up calls quickly and organizationally. It also supports advanced functions such as BLF/BLA, Call Park, Call Pickup, Intercom, Multicast, and Call Recording, enhancing the ease of managing day-to-day communications within an organization.
Yealink SIP-T85W comes with a large 5.5-inch, 960 x 480 pixel, capacitive touchscreen color display that features an adjustable angle for comfortable viewing from various seating positions. The display provides a clear and smooth user interface for quick access to menus, contacts, call history, phone settings, and function keys. The phone includes 12 LED line keys with support for up to 60 DSS keys across 5 pages, enabling flexible customization of shortcuts and instant follow-ups.
One of the main strengths of this phone is its support for IEEE 802.11a/b/g/n/ac/ax dual-band Wi-Fi 6 at 2.4GHz and 5GHz. This technology provides a faster and more stable wireless connection, especially in offices that are crowded with networked devices. With Wi-Fi 6, the phone can be easily installed without the need for complex wired network extensions, keeping the office neat and giving IT teams greater flexibility in deployment.
The phone also supports built-in Bluetooth 5.0 to connect Bluetooth headsets, phones, or use it as a computer-compatible peripheral, giving the user more freedom during calls and audio meetings. The phone comes with practical ports including USB-A 2.0 and USB-C, as well as two Gigabit Ethernet LAN/WAN ports with PoE support, and an RJ9 port for headset or handset with EHS support, to provide multiple wired and wireless connectivity options depending on the needs of each office.
In terms of voice quality, Yealink SIP-T85W delivers a crystal-clear call experience with HD Voice support and advanced audio codecs such as Opus, G.722, SILK, AMR-WB. It also adopts professional technologies such as Full-Duplex Echo Cancellation, Acoustic Shield, Smart Noise Filtering to isolate ambient noise, minimize distortion, and improve voice clarity during calls. The phone comes with HAC Handset, making it suitable for users who need better compatibility with hearing aids.
The phone is also designed to meet the security and management requirements of modern organizations. It supports IPv4/IPv6, SIP RFC3261, QoS, TLS 1.3, SRTP, OpenVPN, WPA3, Secure Boot, as well as TEE Hardware Encryption to protect communications and data. These features make it a reliable choice for businesses that prioritize security and stability, especially when running cloud or on-premises PBX systems.
To simplify deployment and management, the phone supports Zero-Touch Provisioning, TR-069, Auto Provisioning, YDMP and YMCS, allowing IT administrators to centrally manage a large number of devices, update settings, monitor status, and save time on maintenance and operation. It also supports XML/LDAP phonebook with a capacity of up to 1000 entries, with options such as phone lock and access control settings to enhance security within the work environment.
Yealink SIP-T85W is compatible with popular communication platforms such as Yeastar, 3CX, Broadsoft, making it a flexible choice for many unified communications systems. With practical dimensions of 266 x 226 x 85 x 54 mm and low PoE power consumption between 2.3 and 4.7 W, the phone operates efficiently without excessive power consumption. It is suitable for operation in temperatures ranging from -10 to +45°C, and comes with antimicrobial materials for enhanced hygiene in shared-use environments.
In short, the Yealink SIP-T85W is an advanced executive IP SIP phone that combines calling power, voice quality, security, and ease of management. It is the ideal solution for businesses that want to upgrade their communication system with a professional luxury phone that supports 16 SIP lines, Wi-Fi 6, Bluetooth, large touchscreen display, Gigabit ports, and advanced noise isolation technologies.
Why IT managers and procurement officers choose Yealink SIP-T85W
Supports Wi-Fi 6 (802.11ax) – the latest and fastest wireless standard that delivers superior performance in busy office environments
Includes Bluetooth 5.2 – the latest in its class with wider range, higher stability, and compatibility with the latest wireless headsets
Delivers a 5-inch IPS touchscreen display with the perfect balance of information clarity and desktop elegance
Offers AI noise isolation for the purest possible call quality
Supports up to 16 SIP accounts with a modern USB-C port and dual Gigabit Ethernet ports
A futuristic design that reflects the organization’s embrace of the latest technology
Compatible with leading unified communications platforms, cloud and on-premises PBX systems
Main advantages
Built-in Wi-Fi 6 (802.11ax) – the latest wireless standard that delivers faster speeds, lower latency and better performance in crowded environments, for unrivaled wireless call quality
Bluetooth 5.2 – Best-in-class – Faster, more stable wireless connectivity with wider range and lower power consumption, with full compatibility with the latest wireless headsets on the market
5-inch adjustable color IPS touchscreen – Vivid colors and wide viewing angles with a modern and smooth user interface, perfectly sized to combine information clarity and office elegance
AI Noise Isolation (Acoustic Shield) – Advanced algorithms analyze the acoustic environment and accurately filter out unwanted sounds for the purest call quality
Support for up to 16 SIP accounts – Manage a large number of lines and users from a single device suitable for senior executives and advanced teams
USB-portC and dual Gigabit Ethernet ports – Full connectivity flexibility both wireless and wired with support for modern accessories
Advanced centralized management and deployment – Supports Auto Provisioning, TR-069 and Yealink Device Management platform to efficiently deploy and manage large fleets