This manual introduces the connection and configuration of Yealink EXP38 expansion module.
This guide explains how to install the EXP38 expansion module on Yealink Enterprise IP phones such as the T28P and T26P. It covers unplugging power, positioning the phone and module, and connecting the module to the phone and to additional modules using the Ext in/out ports and connecting cords.
The manual also details how to configure the 38 programmable keys via the phone’s user interface or the web interface, including setting functions like BLF, Speed Dial, Intercom, Public Hold, and Private Hold. Configuration steps and menu navigation are provided for each key type.