Yealink Expansion Module EXP43 EXP50 Color Screen Key Module For IP Phone

Yealink Expansion Module EXP43 EXP50 Color Screen Key Module For IP Phone. Equipped with 4.3 inch high resolution color display for clear visual operation. Each module provides 20 physical programmable keys with dual color LED indicators. Supports three page switching to expand up to 60 functional keys per module. All keys support flexible programming for BLF speed dial call transfer call park and call pickup. Greatly expands phone functional keys to support high volume call management.