YEALINK T54W Prime Business Phone 4.3″ (480 x 272) adjustable touch screen27 memory keysUp to 16 VoIP accounts3-ways conferencingUSB 2.0 portHeadset portEXP50 : expansion module supportedNo power supply assignmentDatasheets↪ Yealink T54W Datasheet (EN)↪ Yealink T54W Datasheet (FR)↪ Yealink T54W Datasheet (DE) library_booksUser guides↪Yealink T53 & T54 User Guide (EN)↪ Yealink T53 & T54 User Guide (FR) ↪ Yealink T53 & T54 User Guide (DE)
