Description
Yealink EXP50 – Specifications
Display & Interface
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4.3‑inch color LCD
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Resolution: 272 × 480 pixels, 16‑bit color depth, backlit
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Stand with 2 adjustable angles
Keys & Buttons
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20 physical programmable keys with dual‑color LEDs (one per key)
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3 control keys with illuminated LEDs for page switching
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Supports 3 pages → up to 60 programmable keys per module
Functionality / Programmable Features
Keys can be assigned to typical PBX/VoIP controls:
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Busy Lamp Field (BLF) / Bridged Line Appearance (BLA) / shared‑line monitoring
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Speed‑dial / Hotline / Direct call / extension call
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Call transfer, call forward, call park / pick-up, call hold
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Conference, voicemail/message‑waiting indicator, Do Not Disturb (DND)
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Call pickup / group pickup / group listening, intercom, shared‑line, directory access (when phone/PBX supports)
Connectivity & Expandability
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Interface: USB 2.0 to host IP phone (for data + signalling)
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Daisy‑chain support: up to 3 EXP50 modules per phone — total up to 180 extra programmable keys
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For configurations with 2 or 3 modules, external power supply (5 V / 2 A) may be required
Additional Features & Use Cases
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Ideal for receptionists, contact centers, administrative desks — where many lines/extensions need monitoring and quick access
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Expands compatible Yealink T5‑series IP phones into multi‑line consoles
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Improves efficiency for call‑heavy environments
