Yealink Expansion Module For T4 Series

Overview

The EXP40 Expansion Module for the SIP-T46S, SIP-T46G, SIP-T48S and SIP-T48G, expanding the functional capability of your SIP phone to a whole new level.It features a large graphic LCD. Two pages of 20 flexible buttons are shown on the display can be programmed up to 40 various features, the productivity-enhancing features include BLF/BLA, speed di...