Yealink SIP-T4X Administrator's Manual page 6

Administrator's Guide for SIP-T4X IP Phones
Chapter 3,

on IP phones.
Chapter 4,

advanced features on IP phones.
Chapter 5,

on IP phones.
Chapter 6,

features on IP phones.
Chapter 7,

phones.
Chapter 8,

by IP phones.
Chapter 9, ―Troubleshooting‖ describes how to troubleshoot IP phones and

provides some common troubleshooting solutions.
Chapter 10, ―Appendix‖ provides the glossary, reference information about IP

phones compliant with RFC 3261, SIP call flows and sample configuration files.
This section describes the changes to this guide for each release and guide version.
This version is updated to incorporate SIP-T48G IP phones as one of the T4X device
models. The following sections are new for this version:
Directory

Search Source List in Dialing

Major updates have occurred to the following section:
SIP IP Phone Models

Connecting the IP Phone

Reading Icons

PPPoE on page

Wallpaper

Phone Lock

Language

Logo Customization

Distinctive Ring Tones

vi
―Configuring Basic Features‖ describes how to configure basic features
―Configuring Advanced
―Configuring Audio Features‖ describes how to configure audio features
―Configuring Security
―Upgrading Firmware‖ describes how to upgrade the firmware of IP
―Resource Files‖ describes the resource files that can be downloaded
on page 63
on page
on page 3
on page
on page 16
24
on page 39
on page 45
on page 52
on page 55
on page 130
Features‖ describes how to configure
Features‖ describes how to configure security
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