The Yealink SIP-T77U IP Phone is the flagship model in the new Yealink T7 series. It has a large 7-inch colour touchscreen, has 16 SIP accounts and runs the Linux 6.1 operating system alongside TEE hardware encryption for a more secure and better-performing experience.
The display is easy to navigate and features 84 one-touch DSS keys. Like others in the T7 series, it comes with Yealink Optima HD Voice and natively supports Yealink wired and wireless headsets. It has dual USB ports which support the WF50 Wi-Fi dongle, the BT41 Bluetooth dongle and USB call recording.
The Yealink T74W supports 84 programmable Keys. This number can be increased with the Yealink EXP55 expansion module. The T77U supports up to 3x EXP55 daisy-chained together to provide an additional 234 programmable keys.
The Yealink SIP-T77U is a SIP telephone which will work across most VoIP telephony Platforms. These SIP telephones will require provisioning. Your VoIP telephony service provider will be able to assist you.
This is a Power Over Ethernet (PoE) enabled device and, as such, is sold without a PSU.
If you do not have PoE, you will need to purchase a separate Power Supply Unit.
You can check out the main features of the Yealink SIP-T77U by using our useful product comparison chart and comparing to other models in the range.
| Manufacturer Part # | SIP-T77U |
|---|---|
| Colour | Black |
| EAN | 6938818321595 |
| Condition | New |
Q. What's the difference between a T7xU and a T7xW?
A. The T7xW are engineered for peak performance, featuring built-in Bluetooth 5.0, fast Wi-Fi 6 technology, and robust WPA3-Enterprise security.
Q. What is Linux 6.1 operating software?
A. Linux 6.1 is a Long-Term Support (LTS) version of the Linux kernel and has been specifically designed for extended use and stability. It features improved memory management and security enhancements.
Q. What is TEE hardware encryption?
A. TEE hardware encryption uses a processor’s Trusted Execution Environment to encrypt data and code at rest and in use, blocking unauthorised access even if the operating system is compromised.
Q. Which models are being replaced by the new Yealink T7 Series?
A. This is the upgrade path for the new T7 Series:
T48U > T73U
T44U > T73U
T44W > T73W
T53 > T73W
T53W > T74W
T46U > T74U
T48U > T77U
Check out our complete FAQ sheet for more information.
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We offer a next day courier service at a very reasonable price. Timed deliveries are also available if you need to get your hands on the equipment in a hurry.
You can see which delivery options are available to you by simply adding the products you wish to purchase to the shopping cart before entering your delivery post code.
Please note next day delivery from point of order is not guaranteed. Visit our delivery information page to find out more.
Are you looking to purchase a large quantity of this product? Why not contact us for a quote?
Simply complete our request a quote form and we will get back to you right away with a quote. Alternatively, please call us on 0844 824 6664 and talk to a member of the sales team.