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Your cart is empty.A Revolutionary SIP Phone with a 7-inch Touch ScreenYealink presents a dynamic business communication solution to executives and professionals with the new SIP-T48U IP phone. The phone employs and appealing large touch screen that makes the switch between pages and applications swift, easy and convenient. United Yealink Optima HD Voice technology and wideband codec of Opus, the T48U awards you the superb audio quality and crystal-clear voice communications. Moreover, the T48U 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.Key Features and BenefitsEasy Customization and High ExpansibilityThe SIP-T48U has a seven-inch, 800 x 480-pixel, backlit- color touch screen, which enables a rich visual presentation and easy navigation. Accompanied by two USB ports, the T48U 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 29 one-touch DSS keys that can be easily programmed to various features, 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 AudioYealink 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 ProvisioningYealink 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 (T41U, T43U, T46U and T48U), saves even more time and costs for businesses, as well as simplifies the management and maintenance.Secure Transport and InteroperabilityThe SIP-T48U 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.
Roboguy
2025-06-18 10:32:32
Good business phone that works well with FreePBX. Setup was straightforward once I had all the needed components. Important note: power adapter isn't included as it's designed for Power over Ethernet (PoE). You'll need either a PoE switch/injector or purchase a power adapter separately.Also needs a USB WiFi adapter for wireless connectivity - not included in the box. Once these requirements are sorted out, it works reliably.Pros:Easyto setup with FreePBXClear audio qualityGood displayStable connection with the wifi dongle , not included.Cons:No power adapter includedNeeds separate WiFi adapterDocumentation could be clearer about requirements and useMake sure you factor in the cost of power adapter/PoE and WiFi adapter if needed. Otherwise, solid business phone that does its job well.
Scott M. Sergeant
2025-04-30 17:40:24
There is NO indication upfront about this being a used phone. The phone we received was already programed and locked with an admin password from the prior configuration.
dac
2025-04-26 13:27:21
These phones work as good as they look. Comparable to models costing much more. Function, features and quality are all top notch.
Denny B
2025-03-29 17:30:41
Software issues would not allow us to connect and therefore returned for credit.
ADANMARTI
2025-01-30 16:47:24
De buena calidad y si cumplió mis expectativas
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