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Yealink T4系列IP話機通過了TIA 920認證。高清、完美音質讓溝通變得更加輕鬆。Yealink T4 IP Phone 系列同時為確保用 戶在長時間通話下的舒適感以及聽力保護，Yealink 細緻地從手柄、揚聲器、免提、音腔等一系 列打造了超高清的音質解決方案。
Supports Yealink SIP-T27G/T29G/T46G/T48G/T41S/T42S/T46S/T48SWideband audio supportAnswer/Terminate c..
Supports Yealink SIP- T41S/T42S with FW 66.82.0..35 onlyReliable ConnectionEase-of-usePlug and PlayH..
An exclusive collection which quality and detailed designsRich visual experience with 160×320 graphi..
2.7″ 192×64-pixel graphical LCD with backlightOpus* codec supportUSB 2.0 (with USB Port for YHS33-US..
• 2.7″ 192×64-pixel graphical LCD with backlight• Opus* codec support• USB 2.0 (with USB Port for YH..
• 3.7″ 360×160-pixel graphical LCD with backlight• Dual USB ports• Dual firmware images• Opus codec ..
• 4.3″ 480 x 272-pixel color display with backlight• Opus* codec support• USB 2.0 (with USB Port for..
4.3″ 480 x 272-pixel color display with backlightOpus codec supportDual USB portsT4U Auto-P template..
• 7″ 800 x 480-pixel color touch screen with backlight• Opus* codec support• USB 2.0 (with USB Port ..
7″ 800 x 480-pixel color touch screen with backlightOpus codec supportDual USB portsT4U Auto-P templ..
8″ 1280 x 800 capacitive (10 points) touch screen IPS LCDFull-HD 1080p30 video call2 mega-pixel HD c..
Applications: SME offices, Retail outlets, Restaurants, SOHO, Warehouses. The Yealink DECT desk pho..
> Supports Yealink SIP-T27G/T29G/T46G/T48G/T41S/T42S/T46S/T48S/T52S/T54SFor T48G: upgrade to the ..
