
Product Description
Overview
The Yealink SIP-T46U is a high-performance IP phone built for professionals who manage frequent calls and require clear audio and flexible connectivity. It features a bright 4.3-inch color display, dual USB ports, Gigabit Ethernet with PoE, and advanced HD voice technology to deliver a smooth and efficient calling experience.
Why Choose SIP-T46U
- Large 4.3" high-resolution color display with backlight
- Supports up to 16 SIP accounts
- Dual USB ports for Bluetooth, Wi-Fi, USB headset, and recording
- HD audio with Acoustic Shield and Smart Noise Filtering
- Expandable with color screen expansion modules
- PoE support with dual Gigabit Ethernet ports
Display & User Interface
- 4.3" TFT color display (480 × 272 pixels)
- Clear icons, caller ID with name and number
- Wallpaper, screensaver, and power-saving modes
- Multilingual user interface
Keys & Controls
- 10 line keys with dual-color LEDs
- Up to 27 paperless DSS keys via 3-page view
- 7 dedicated feature keys: message, headset, hold, mute, transfer, redial, speaker
- 4 context-sensitive soft keys
- Navigation cluster and volume control keys
- Illuminated mute, headset, and speakerphone keys
HD Audio & Call Features
- Yealink Optima HD Voice on handset and speakerphone
- Acoustic Shield and Smart Noise Filtering
- Full-duplex speakerphone with echo cancellation
- Wide codec support including G.722 and optional AMR-WB
- Call hold, transfer, forward, waiting, DND, hotline
- 10-way audio conferencing
Connectivity & Expansion
- Dual-port Gigabit Ethernet
- Power over Ethernet (IEEE 802.3af)
- 2 × USB 2.0 ports
- Bluetooth via BT40 / BT41 / BT52 dongles
- Wi-Fi via WF40 / WF50 dongles
- USB call recording and USB headset support
- Supports up to 3 Yealink EXP43 expansion modules
- RJ9 ports for handset and wired headset
Provisioning, Management & Security
- Zero-touch provisioning with Yealink RPS
- Auto-provisioning via FTP, TFTP, HTTP, HTTPS and TR-069
- Dual firmware images for upgrade protection
- TLS 1.3 and SRTP encryption
- AES-256 encrypted configuration files
- Supports IPv6, VLAN, OpenVPN, 802.1X and WPA2/WPA3
Physical & Installation
- Classic grey professional finish
- Stand with two adjustable viewing angles
- Wall-mountable design
- Dimensions: 244 × 213 × 185 × 54 mm
- Operating temperature: -10°C to +45°C
Ideal For
- Executives and managers
- Reception desks and front offices
- Contact centers and shared workspaces
- Users needing headset, Bluetooth, or Wi-Fi flexibility
Click here for Product Datasheet
Specifications are based on the official Yealink SIP-T46U datasheet.