Yealink EXP43 - Expansion module

This page explains how to setup, configure and adjustYealink - EXP43 Expansion Module for T4U phones

The EXP43 is a sidecar that is attached to the T46U phone via USB Cable.  It adds 3 pages of 20 keys to the phone.  The T46U desk phone can support up to 3 expansion modules if AC power is provided.  If using POE, only one sidecar can be used.



The EXP43 is a plug-and-play device.  Once plugged in, any BLF for that user will snap to the sidecar.