About This Guide; In This Guide; Summary Of Changes; Changes For Release 81, Guide Version 81.20 - Yealink SIP-T48S User Manual

About This Guide

Thank you for choosing the SIP-T48S IP phone, an ultra-elegant Gigabit IP phone which is
exquisitely designed to provide business telephony features, such as Call Hold, Call Transfer,
Busy Lamp Field, Call Recording, Multicast Paging and Conference over an IP network. It also
features an enhanced user experience and newly developed industrial designs, with a large
touch screen for easy and efficient use.
This guide provides everything you need to quickly use your new phone. First, verify with your
system administrator that the IP network is ready for phone configuration. Also be sure to read
the Packaging Contents and Regulatory Notices sections in this guide before you set up and use
the SIP-T48S IP phone.
Note Network Directory and Network Call Log features are hidden for IP phones in neutral firmware,
which are designed for the BroadWorks environment. Please contact your system administrator
for more information.

In This Guide

Topics provided in this guide include:
Chapter 1

Chapter 2

Chapter 3

Chapter 4

Chapter 5


Summary of Changes

This section describes the changes to this guide for each release and guide version.

Changes for Release 81, Guide Version 81.20

Major updates have occurred to the following sections:
Wallpaper

Screen Saver

Overview
Getting Started
Customizing Your Phone
Basic Call Features
Advanced Phone Features
on page 41
on page 45
About This Guide
v