Description
Key Features and Benefits
Acoustic
Shield
Easy Customization and High Expansibility
Unified
Firmware
Gigabit
Expansion
Module
Accompanied by two USB ports, the T44U 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 21 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. 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. It is
carried with dual firmware images that gives you a enterprise-level protection to avoid bricking your system
once upgrade failed. What’s more, T4U series support the feature of Security Center, which allows users to
decide whether to connect the phone to the device management platform/service and what private data you
permit to report.
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