Yealink EXP40, User Manual

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About This Guide
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About This Guide
Thank you for choosing the Yealink EXP40 expansion module. The EXP40 is designed to improve
the power and the flexibility of the advanced Yealink SIP-T46S, T46G, T48S and T48G IP phones.
It features a large graphic LCD screen. Each EXP40 expansion module provides 20 physical keys
with dual-color LEDs and two display pages, supporting a total of 40 keys. Up to six expansion
modules can be daisy-chained to a single T48S/T48G/T46S/T46G host phone, offering a
maximum of 240 Ext keys per phone.
The Yealink EXP40 is ideal for receptionists, administrative assistants, call center agents,
power-users, and executives who need to monitor and manage a large volume of calls on a
regular basis.
This guide provides everything you need to quickly set up and use the EXP40 expansion module.
Be sure to read the Packaging Contents in this guide before you set up and use your EXP40
expansion module. This guide takes the working together of the Yealink SIP-T46G IP phone
running firmware version 81 and the Yealink EXP40 expansion module as an example for
reference.
In This Guide
The topics provided in this guide include:

Chapter 1 Getting Started

Chapter 2 Configuring the Yealink EXP40 Expansion Module

Chapter 3 Using the Yealink EXP40 Expansion Module

Chapter 4 Troubleshooting
Summary of Changes
This section describes the changes to this guide for each guide version.
Changes for Guide Version 16.5
Make minor corrections.
Changes for Guide Version 16.4
Documentations of the newly released SIP-T46S and SIP-T48S IP phones have also been added.