Yealink SIP-T46U 4.3-Inch Color Display. Dual USB 2.0, Dual-Port Gigabit Ethernet, 802.3af PoE, Power Adapter Not Included

9.00 (in)
8.00 (in)
7.00 (in)
Calculated at Checkout


Designed for busy executives and professional, the SIP-T46U IP phone is an ultimate communication tool that has the better overall performance. The phone employs an appealing high-resolution TFT color display that looks brighter and more vibrant. United Yealink Optima HD Voice technology and wideband codec of Opus, the T46U awards you the superb audio quality and crystal-clear voice communications. Moreover, the T46U puts dual USB ports in a phone that makes Bluetooth, Wi-Fi, USB headset and USB recording come true, and you can use any two of them freely according to your needs. The Yealink new T4U series offers the same elegant appearance as the T4 line, but with improvements for greater interoperability and better collaboration.

SIP-T46U Features

  • 4.3" 480 x 272-pixel color display with backlight
  • Opus codec support
  • Dual USB ports
  • Dual firmware images
  • T4U Auto-P template unified
  • T4U firmware unified
  • Up to 16 SIP accounts
  • Dual-port Gigabit Ethernet
  • PoE support
  • USB headset and EHS support
  • Wi-Fi via WF40/WF50
  • Bluetooth via BT40/BT41
  • USB recording
  • Supports color-screen expansion modules
  • Stand with two adjustable angles
  • Wall mountable

Easy Customization and High Expansibility

The SIP-T46U comes with two Gigabit Ethernet ports, one of which is suitable for Power over Ethernet (PoE). Accompanied by two USB ports, the T46U is your right-hand man in the office that makes Bluetooth, Wi-Fi, USB headset and USB recording possible, and you can use any two of them freely according to your needs to enrich phone features. Meanwhile, the phone not only has three pages of flexible buttons that can be easily programmed with 27 paperless DSS keys at most, but also can connect up to three expansion modules, for up to 180 additional buttons with a screen-based LCD display and LED system.

HD Audio

Yealink Optima HD Voice technology combines cutting-edge hardware and software with wideband technology for maximum acoustic performance. Being a totally open, highly versatile audio codec, Opus, is designed to perform a higher HD audio quality than other wideband codecs in a high network bandwidth; However, if your current network quality is poor, Opus can provide you with a better audio quality than other narrowband codecs. And its hearing aid compatible (HAC) handset helps the person who is with hearing loss to hear the voice more clearly.

Efficient Installation and Provisioning

Yealink T4U series supports efficient provisioning and effortless mass deployment with Yealink’s Redirection and Provisioning Service (RPS) and Boot mechanism to help you realize the Zero Touch Provisioning without any complex manual settings, which makes the T4U series simple to deploy, easy to maintain and upgrade. Furthermore, a unified firmware and auto-p template that applies to all T4U phone models, saves even more time and costs for businesses, as well as simplifies the management and maintenance.

Secure Transport and Interoperability

Yealink T4U series uses SIP over Transport Layer Security (TLS/SSL), which is the latest network security technology. It’s also compatible with leading soft switch suppliers, such as 3CX, Broadsoft Broadworks. Moreover, it is carried with dual fimrware images that gives you a enterprise-level protection to avoid bricking your system once upgrade failed.


  • Yealink
  • Yealink
  • Yealink
  • SIP-T46U
  • 1


  • VoIP phone
  • Caller ID
  • Base
  • Linux
  • 3-way

Messaging & Internet

  • SMS


  • Yes
  • Call Transfer, Call Waiting, Call Hold, Call Forwarding, Caller ID, Voice Mail
  • 10
  • Yes
  • Voice message waiting indicator, Visual ringer light
  • Yes
  • 6
  • Mute, Do Not Disturb (DND), Built-in clock, Music on hold, Group call pickup, Redial, Call recording, HD Voice

Telephone Memory

  • 1000


  • LCD display
  • 480 x 272 pixels
  • 16-bit (65000 colors)
  • 4.3 inch
  • 10.9 centimetre
  • Color
  • Yes
  • Multilingual
  • Base

IP Telephony

  • Multiple VoIP protocol support, Integrated Ethernet switch
  • Yes
  • Skype
  • SIP, SIP v2
  • G.726, G.723.1, G.729ab, G.722, G.711a, Opus, iLBC, G.711u
  • 16 lines
  • IEEE 802.1Q (VLAN), IEEE 802.1p, Type of Service (ToS)
  • PPPoE, DHCP, Static
  • IEEE 802.1X, TLS
  • 2 x Ethernet 10Base-T/100Base-TX/1000Base-T
  • Yes
  • Automatic gain control (AGC), Comfort noise generation (CNG), HD Voice, Packet loss concealment (PLC), Acoustic echo cancellation (AEC), Yealink Optima HD voice technology, Adaptive jitter buffer (AJB), Voice activity detection (VAD)
  • Network Address Translation (NAT), Class 3 PoE, Lightweight Directory Access Protocol (LDAP)

Phone Connections

  • Accessory port / RJ-12, Headset jack / RJ-9, 2 x USB

CE Cables (Details)

  • Network cable - 6.6 ft


  • Black
  • Stand
  • Wall-mountable, Table-top

Dimensions & Weight (Base)

  • 9.6 inch
  • 8.4 inch
  • 7.3 inch

Product Datasheet SIP-T46U

Extra Information

9.00 (in)
8.00 (in)
7.00 (in)
3.00 LBS