Table of ContentsixAbout This Guide ...................................................................... vDocumentations ............................................................................................................................... vIn This Guide .................................................................................................................................... vSummary of Changes .................................................................................................................... viChanges for Release 80, Guide Version 80.20 ...................................................................... viChanges for Release 80, Guide Version 80.6 ........................................................................ viTable of Contents .................................................................... ixProduct Overview ..................................................................... 1VoIP Principle .................................................................................................................................... 1SIP Components............................................................................................................................... 2SIP IP Phone Models ........................................................................................................................ 3Physical Features of IP Phones ................................................................................................ 4Key Features of IP Phones ...................................................................................................... 12Getting Started ....................................................................... 15Connecting the IP Phones ............................................................................................................. 15Initialization Process Overview .................................................................................................... 21Verifying Startup ............................................................................................................................ 22Reading Icons ................................................................................................................................ 23Configuration Methods ................................................................................................................. 25Phone User Interface.............................................................................................................. 26Web User Interface ................................................................................................................ 26Configuration Files.................................................................................................................. 26Provisioning Server ........................................................................................................................ 28Supported Provisioning Protocols ......................................................................................... 28Setting up the Provisioning Server ........................................................................................ 28Deploying Phones from the Provisioning Server ................................................................. 29Configuring Basic Network Parameters ...................................................................................... 30DHCP ....................................................................................................................................... 30Configuring Network Parameters Manually ........................................................................ 35PPPoE ....................................................................................................................................... 41Configuring Transmission Methods of the Internet Port and PC Port ................................. 44Configuring PC Port Mode ..................................................................................................... 47Upgrading Firmware..................................................................................................................... 49