Yealink SIP-T77U 7 inch 800 x 480 IP Phone
☎️ Yealink SIP-T77U IP Phone
A Revolutionary SIP Phone with a 7-inch Touch Screen. The all-new fashionable design, featuring slimmer body, both USB-A and USB-C ports, as well as touchable screen, fits into your modern style.
📋 核心特色 Key Features
- 7″ 800 x 480-pixel color capacitive touch screen with backlight
- Up to 16 SIP accounts
- Dual-port Gigabit Ethernet
- PoE support (IEEE 802.3af)
- Dual USB ports (USB-A + USB-C) for Bluetooth, Wi-Fi, USB headset, and USB recording
- Yealink Optima HD Voice with AI Noise Cancellation
- Acoustic Shield and Smart Noise Filtering
- TEE hardware encryption solution
- Linux 6.1 version
- Dual firmware images (dual system function)
- Supports color-screen expansion modules (up to 3 EXP55)
- Stand with 2 adjustable angles, wall mountable
- Supports both dark and light themes
- Three Rings of Security (Core Ring, Shield Ring, Guard Ring)
屏幕：7 inch 800 x 480 Capacitive color touch screen with backlight
SIP 帳號：16 個
網絡：Dual-port Gigabit · PoE ✅
Wi-Fi：📡 Via WF50 Dongle | 藍牙：🎧 Via BT41/BT51 Dongle
USB：2 (1x USB-A 2.0, 1x USB-C)
尺寸：266 mm x 226 mm x 85 mm x 54 mm (W*D*H*T)
Description
Yealink SIP-T77U — A Revolutionary SIP Phone with a 7-inch Touch Screen
A Revolutionary SIP Phone with a 7-inch Touch Screen. The all-new fashionable design, featuring slimmer body, both USB-A and USB-C ports, as well as touchable screen, fits into your modern style.
⭐ 產品亮點
- 7″ 800 x 480-pixel color capacitive touch screen with backlight
- Up to 16 SIP accounts
- Dual-port Gigabit Ethernet
- PoE support (IEEE 802.3af)
- Dual USB ports (USB-A + USB-C) for Bluetooth, Wi-Fi, USB headset, and USB recording
- Yealink Optima HD Voice with AI Noise Cancellation
- Acoustic Shield and Smart Noise Filtering
- TEE hardware encryption solution
- Linux 6.1 version
- Dual firmware images (dual system function)
- Supports color-screen expansion modules (up to 3 EXP55)
- Stand with 2 adjustable angles, wall mountable
- Supports both dark and light themes
- Three Rings of Security (Core Ring, Shield Ring, Guard Ring)
🔊 音頻技術
Yealink SIP-T77U 配備 Yealink Optima HD Voice 技術，結合 AI Noise Cancellation 智能降噪，確保每次通話都清晰自然。Acoustic Shield 技術有效阻隔環境噪音，Smart Noise Filtering 智能過濾進一步提升語音品質。
| 音頻規格 | 詳情 |
|---|---|
| HD Voice | Yealink Optima HD Voice + AI Noise Cancellation |
| 降噪技術 | Acoustic Shield + Smart Noise Filtering |
| 編解碼器 | AMR-WB (optional), G.722, AMR-NB (optional), PCMU (G.711μ), PCMA (G.711A), G.723.1, G.729, G.729A, G.729B, G.729AB, G.726, iLBC |
| 聽筒兼容 | HAC（Hearing Aid Compatible） |
📊 完整規格表
| 規格項目 | 詳情 |
|---|---|
| 產品型號 | Yealink SIP-T77U |
| SIP 帳號 | 16 個 |
| 屏幕尺寸 | 7 inch |
| 屏幕類型 | Capacitive color touch screen with backlight |
| 解像度 | 800 x 480 |
| 網絡接口 | Dual-port Gigabit |
| Wi-Fi | yes (via WF50 dongle) |
| 藍牙 | yes (via BT41 dongle) |
| USB 接口 | 2 (1x USB-A 2.0, 1x USB-C) |
| PoE 供電 | yes (IEEE 802.3af) |
| 電源供應 | optional (AC 100-240V input, DC 5V/2A output) |
| 功能鍵 | 84 one-touch DSS keys, 7 feature keys, volume control keys |
| 安全認證 | TLS 1.3, SRTP, AES256 config encryption, OpenVPN, IEEE 802.1X, L2TP VPN, WPA2/WPA3, Secure boot, TEE hardware encryption, MD5/MD5-Sess authentication |
| 自動配置 | Auto provision via FTP/TFTP/HTTP/HTTPS, PnP, RPS, TR-069, Zero-Touch, Broadsoft device management, YDMP/YMCS |
| 作業系統 | Linux 6.1 + Dual System |
| 尺寸 | 266 mm x 226 mm x 85 mm x 54 mm (W*D*H*T) |
| 工作溫度 | -10 to 45°C (+14 to 113°F) |
| 擴展模組 | 支援最多 3 個 EXP55 色屏擴展側車 |
🔒 企業級安全 — Three Rings of Security
Yealink SIP-T77U 採用 TEE（Trusted Execution Environment）硬件加密技術，配合 Secure Boot、配置文件 AES256 加密、TLS 1.3 傳輸加密及 SRTP 語音加密，提供全方位的通話安全保障。
🛡️ 安全認證一覽
- 硬件加密：TEE（Trusted Execution Environment）
- 引導安全：Secure Boot + Dual Firmware Image
- 語音加密：SRTP
- 傳輸加密：TLS 1.3、OpenVPN、L2TP VPN
- 網絡准入：IEEE 802.1X、WPA2/WPA3
- 配置加密：AES256
📦 適用場景
- 企業主管 / 管理層 — 7 吋觸控大屏，功能齊全，配合 EXP55 擴展模組應對高話量需求
- 專業人士 / Knowledge Worker — HD Voice + AI 降噪確保每通電話都清晰專業
- 前台 / 接待 — 支援多達 16 個 SIP 帳號，配合側車擴展實現高效來電轉接
- 遠端辦公 — USB Wi-Fi Dongle 支援無線網絡連接，靈活擺放
ℹ️ 完整技術規格請參考官方文檔：Yealink SIP-T77U 官方產品頁
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