Yealink SIP-T48G [6/465] Summary of changes

Yealink SIP-T46G [6/465] Summary of changes
Administrators Guide for SIP-T4X IP Phones
vi
Chapter 3, Configuring Basic Features describes how to configure basic features
on IP phones.
Chapter 4, Configuring Advanced Features describes how to configure
advanced features on IP phones.
Chapter 5, Configuring Audio Features describes how to configure audio features
on IP phones.
Chapter 6, Configuring Security Features describes how to configure security
features on IP phones.
Chapter 7, Upgrading Firmware describes how to upgrade the firmware of IP
phones.
Chapter 8, Resource Files describes the resource files that can be downloaded
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.
The following sections are new for this version:
Power Indicator LED on page 36
Contrast on page 38
Major updates have occurred to the following sections:
DHCP on page 18
Backlight on page 41
Time and Date on page 47
Key as Send on page 59
Anonymous Call on page 75
Busy Lamp Field on page 136
Action URL on page 156
IPv6 Support on page 187
Transport Layer Security on page 203

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