Yealink EXP40 High-Performance LCD Expansion Module
. This expansion module is an ideal solution for receptionists, administrative assistants and contact center workers and gives the ability to monitor contacts and manage a large volume of calls with ease. The phone ensures a higher reliability of data transmission and a higher speed of data refresh, a USB cable is chosen to connect EXP40 expansion module to Yealink SIP-T46S, SIP-T46G, SIP-T48S and SIP-T48G IP phones after the connection n between the expansion module and the IP phone is establish, the remaining USB port on the back of EXP40 can also be used to realize the phone’s extended functions, for example, call recording via USB flash drive, etc.