Yealink SIP- T46U

Productivity-enhancing SIP Phone for Office Workers and Professionals


Designed for busy executives and professional, the SIP-T46U IP phone is an ultimate communication tool that has theDesigned for busy executives and professional, the SIP-T46U IP phone is an ultimate communication tool that has thebetter overall performance. The phone employs an appealing high-resolution TFT color display that looks brighter andmore vibrant. United Yealink Optima HD Voice technology and wideband codec of Opus, the T46U awards you thesuperb audio quality and crystal-clear voice communications. Moreover, the T46U puts dual USB ports in a phone thatmakes 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 improvementsfor greater interoperability and better collaboration.

Key Features and Benefits

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 makesBluetooth, Wi-Fi, USB headset and USB recording possible, and you can use any two of them freelyaccording to your needs to enrich phone features. Meanwhile, the phone not only has three pages offlexible buttons that can be easily programmed with 27 paperless DSS keys at most, but also canconnect up to three expansion modules, for up to 180 additional buttons with a screen-based LCDdisplay and LED system.

HD Audio

Yealink Optima HD Voice technology combines cutting-edge hardware and software with widebandtechnology 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 highnetwork bandwidth; However, if your current network quality is poor, Opus can provide you with abetter audio quality than other narrowband codecs. And its hearing aid compatible (HAC) handsethelps 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’sRedirection and Provisioning Service (RPS) and Boot mechanism to help you realize the Zero TouchProvisioning without any complex manual settings, which makes the T4U series simple to deploy, easyto maintain and upgrade. Furthermore, a unified firmware and auto-p template that applies to all T4Uphone models, saves even more time and costs for businesses, as well as simplifies the managementand maintenance.

Secure Transport and Interoperability

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


• 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


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