Yealink SIP-T27P [10/841] Getting started 17

Administrator’s Guide for SIP-T2 Series/T19(P) E2/T4 Series IP Phones

About This Guide ...................................................................... v

Documentations ............................................................................................................................... v

In This Guide .................................................................................................................................... v

Summary of Changes .................................................................................................................... vi

Changes for Release 80, Guide Version 80.60 ...................................................................... vi

Changes for Release 80, Guide Version 80.21 ..................................................................... vii

Changes for Release 80, Guide Version 80.20 .................................................................... viii

Changes for Release 80, Guide Version 80.6 ........................................................................ ix

Table of Contents ..................................................................... x

Product Overview ..................................................................... 1

VoIP Principle .................................................................................................................................... 1

SIP Components............................................................................................................................... 2

SIP IP Phone Models ........................................................................................................................ 3

Physical Features of IP Phones ................................................................................................ 4

Key Features of IP Phones ...................................................................................................... 13

Expansion Module ......................................................................................................................... 14

Getting Started ....................................................................... 17

Connecting the IP Phones ............................................................................................................. 17

Initialization Process Overview .................................................................................................... 27

Verifying Startup ............................................................................................................................ 28

Reading Icons ................................................................................................................................ 30

Configuration Methods ................................................................................................................. 38

Phone User Interface.............................................................................................................. 38

Web User Interface ................................................................................................................ 38

Configuration Files.................................................................................................................. 38

Obtaining Configuration Files and Resource Files ..................................................................... 42

Keep User Personalized Settings ................................................................................................. 45

Configuration Parameters...................................................................................................... 45

Scenario A Keep user personalized configuration settings ............................................... 47

Scenario B Clear user personalized configuration settings ............................................... 51

Scenario C Keep user personalized settings after factory reset ....................................... 52

Scenario D Import or export the local configuration file .................................................... 54

Provisioning Server ........................................................................................................................ 56