Yealink SIP-T20, User Manual, Page: 9 / 126

Table of Contents
ix
About This Guide ...................................................................... v
In This Guide ......................................................................................................................... v
Summary of Changes .......................................................................................................... v
Changes for Release 72, Guide Version 72.1 ................................................................ v
Changes for Release 71, Guide Version 71.165 ........................................................... vi
Changes for Release 71, Guide Version 71.140 ........................................................... vi
Changes for Release 71, Guide Version 71.125 ........................................................... vi
Changes for Release 71, Guide Version 71.110 ........................................................... vi
Changes for Release 70, Guide Version 70 .................................................................. vi
Table of Contents ..................................................................... ix
Overview .................................................................................. 1
Hardware Component Instructions .................................................................................... 1
Icon Instructions .................................................................................................................... 3
LED Instructions ..................................................................................................................... 4
User Interfaces ..................................................................................................................... 5
Phone User Interface ........................................................................................................ 5
Web User Interface ........................................................................................................... 5
Documentations ................................................................................................................... 7
Getting Started ......................................................................... 9
Packaging Contents ............................................................................................................. 9
Phone Installation ............................................................................................................... 11
Phone Initialization ............................................................................................................. 13
Phone Status ....................................................................................................................... 13
Basic Network Settings ...................................................................................................... 14
Registration ......................................................................................................................... 16
Idle Screen .......................................................................................................................... 16
Customizing Your Phone ......................................................... 17
General Settings ................................................................................................................ 17
Language ......................................................................................................................... 17
Time & Date ..................................................................................................................... 18
Administrator Password ................................................................................................. 20
Key as Send ..................................................................................................................... 20