Yealink SIP-T77U IP Phone
The Yealink SIP-T77U is a revolutionary, premium desk phone designed for executives and professionals who demand a fashionable, large-screen experience with intelligent audio and top-tier security. Featuring an all-new slim body, expansive 7-inch color touchscreen, dual USB ports (A + C), touchable interface, and a stand with two adjustable angles, the T77U delivers a modern, comfortable, and hygienic workspace solution.
The SIP-T77U supports up to 16 VoIP accounts with crystal-clear, AI-powered audio via Acoustic Shield, AI Noise Cancellation, and a powerful 3W speaker. It includes robust Three Rings of Security with Trusted Execution Environment, flexible USB connectivity for accessories/expansion, and optional wireless add-ons. Fully compatible with Cloud One Business Communication Suite and major VoIP platforms for secure, professional-grade communication.
Yealink SIP T77U details
Technical Specifications
User Interface
- 7-inch 800 × 480 resolution color touchscreen with backlight
- Stand with 2 adjustable angles for optimal viewing
- Intuitive interface with icons, soft keys, and touchable elements
- Caller ID with name/number
- LED indications for calls and message waiting
- Supports dark/light themes and Accessibility Mode
Basic Features
- Up to 16 VoIP accounts
- One-touch speed dial, hotline, mute, DND
- Call hold, transfer, conference, park, pickup
- Auto-answer, redial, call return, custom ringtones
- Date/time display
Connectivity
- Dual-port Gigabit Ethernet with PoE support
- Dual USB ports (USB-A + USB-C) for headsets, EHS, recording, and accessories
- Supports optional Wi-Fi (via WF50 dongle) and Bluetooth (via BT41 dongle)
- Supports color-screen expansion modules
- Headset and EHS compatibility
Audio Features
- HD voice with wideband codecs
- Acoustic Shield for optimized noise reduction
- AI Noise Cancellation for uninterrupted, clear conversations
- 3W full-duplex hands-free speakerphone with professional audio quality
- Audio enhancement technologies
Advanced Features
- Three Rings of Security: Core Ring (Trusted Execution Environment, secure boot, firmware encryption), Shield Ring (802.1X, WPA3), Guard Ring (TLS 1.3, SRTP)
- Enhanced performance and Linux-based OS
- BLF, visual voicemail, centralized recording support
- Secure encryption and auto-provisioning
- Remote management and SIP protocol features
- NAT traversal, QoS, power-saving mode
Box Contents
Your Yealink SIP T77U box comes with:
Your Desk Phone
- Yealink SIP-T77U IP phone console
- Handset with cord
Accessories
- Adjustable phone stand
- Wall-mount bracket
- Quick start guide