The Yealink T43U/T46U/T48U IP phones can be fully equipped with up to three EXP43 Color Expansion Modules, while adding 180 additional buttons at most.

Three pages of 20 flexible buttons with dual-color LED shown on the display can be programmed up to 60 various features for speed dialing, BLF/BLA, call forward, transfer, etc. Thus, it will help you effectively manage high volume of concurrent calls, effortlessly monitor calls and greatly boost personal productivity.