Description
Premium Executive IP Phone
Yealink SIP-T77U Ultra Business IP Phone – 7″ Touchscreen, 16 Lines, Dual USB, Gigabit Ethernet
800×480 pixel backlit LCD
Enterprise multi-line support
Local conferencing
Acoustic Shield technology
USB-A & USB-C connectivity
Hardware-level security
🏆 Revolutionary Executive Communication Experience
Experience premium business communications with a stunning 7-inch touchscreen, AI-powered audio clarity, and enterprise-grade security. The SIP-T77U delivers flagship performance for executives and professionals who demand the best.
Technical Specifications
| Display | 7″ Color Touchscreen, 800×480 pixels, backlit |
| Lines/Accounts | Up to 16 SIP accounts |
| DSS Keys | 84 one-touch DSS keys (programmable) |
| Conferencing | 10-way local conference |
| Audio Quality | Optima HD Voice, AI Noise Cancellation, Acoustic Shield, 3W Speaker |
| USB Ports | Dual USB (1x USB-A + 1x USB-C) |
| Network | Dual Gigabit Ethernet |
| Power | PoE (802.3af) or AC adapter (optional) |
| Headset Support | RJ9, USB-A, USB-C, EHS compatible |
| Expansion | Up to 3 EXP55 modules (234 additional keys) |
| Operating System | Linux 6.1 with TEE Hardware Encryption |
| Dimensions | 266mm x 226mm x 85mm |
Supported Audio Codecs:
AMR-WB
G.722 HD
G.711 A/μ
G.723.1
G.729AB
G.726
iLBC
AMR-NB
Ideal For:
🏆 T77U Advantages
Touchscreen
Intuitive navigation
Noise Cancellation
Crystal-clear audio
SIP Lines
Maximum flexibility
Premium Business Features
📞 Call Functions
- Call hold, mute, DND
- Call forward & transfer
- Call waiting & parking
- Speed dial & hotline
- Group listening & emergency call
🎧 Audio Features
- Optima HD Voice technology
- AI Noise Cancellation
- Acoustic Shield
- 3W full-duplex speakerphone
- HAC handset (hearing aid compatible)
🔌 Connectivity
- Bluetooth via BT41/BT51 dongle
- Wi-Fi via WF50 dongle
- USB headset support
- USB call recording
- DECT headset compatible
🔒 Security
- TEE hardware encryption
- Secure boot verification
- TLS/SSL encryption
- 802.1X authentication
- Dual firmware protection
Why Choose the T77U?
Stunning 7″ touchscreen interface
AI-powered audio clarity
16 lines for power users
84 programmable DSS keys
Expandable to 234+ keys
Enterprise-grade TEE security
🚀 Advanced T7 Series Platform
Built on Yealink’s flagship T7 platform with Linux 6.1 and TEE hardware encryption for:
Scalability & Expansion
84 DSS Keys
Built-in programmable keys
3 Expansion Modules
Connect up to 3x EXP55
234+ Total Keys
Ultimate receptionist solution
Flexible Installation
PoE Powered
Single cable for power & data
Adjustable Stand
Two viewing angles
Wall Mountable
Optional bracket available
Universal Compatibility:
3CX
Asterisk
BroadSoft
RingCentral
8×8
Zoom Phone
Vonage
Any SIP Platform
📦 What’s Included:
- 1x Yealink SIP-T77U IP Phone
- 1x Handset with handset cord
- 1x Ethernet cable (2m CAT5E)
- 1x Stand with 2 adjustable angles
- 1x Quick Start Guide
The Ultimate Executive Communication Solution
Premium Display
7″ intuitive touchscreen
AI-Powered Audio
Intelligent noise cancellation
Enterprise Security
TEE hardware encryption
Elevate Your Business Communications Today
Premium executive-grade VoIP for professionals who demand the best
✓ Free Shipping in Canada
✓ 6-Month Warranty
✓ Expert Support
About the Yealink SIP-T77U: The Yealink SIP-T77U Ultra Business IP Phone represents the pinnacle of executive communication technology, featuring a revolutionary 7-inch color touchscreen display with 800×480 pixel resolution for intuitive navigation and a premium visual experience. Designed for executives, professionals, call centers, and receptionists, this flagship IP phone supports up to 16 SIP accounts and 10-way local conferencing, making it ideal for high-volume communication environments. The T77U leverages Yealink’s advanced AI noise cancellation and Acoustic Shield technology, combined with Optima HD Voice, to deliver crystal-clear audio quality in any environment. The powerful 3W full-duplex speakerphone and hearing aid compatible (HAC) handset ensure professional audio performance for every call. Security-conscious organizations will appreciate the TEE hardware encryption, secure boot verification, TLS/SSL encryption, and 802.1X authentication that protect sensitive communications. Built on Linux 6.1 with the latest T7 series platform, the phone offers 84 programmable one-touch DSS keys, expandable to over 234 keys with up to three EXP55 expansion modules for ultimate receptionist and call center applications. Dual USB ports (USB-A and USB-C) enable flexible connectivity for Bluetooth headsets via BT41/BT51, Wi-Fi via WF50, USB headsets, and USB call recording. With dual Gigabit Ethernet ports and PoE support, deployment is simplified while future-proofing your investment. Compatible with all major VoIP platforms including RingCentral, 8×8, 3CX, Zoom Phone, BroadSoft, and any standard SIP service, the T77U adapts seamlessly to your existing infrastructure. Experience the Yealink difference with the SIP-T77U – where premium design meets enterprise-grade performance in business communications.










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