IntroductionvIntroductionAbout This GuideYealink administrator guide is intended for administrators who need to properly configure,customize, manage, and troubleshoot the IP phone system rather than end-users. This guidewill help you understand the Voice over Internet Protocol (VoIP) network and Session InitiationProtocol (SIP) components, and provides descriptions of all available phone features.This guide describes three methods for configuring IP phones: central provisioning, web userinterface and phone user interface. It will help you perform the following tasks: Configure your IP phone on a provisioning server Configure your phone’s features and functions via web/phone user interface Troubleshoot some common phone issuesMany of the features described in this guide involve network settings, which could affect the IPphone’s performance in the network. So an understanding of IP networking and a priorknowledge of IP telephony concepts are necessary.The information detailed in this guide is applicable to firmware version 81 or higher. Thefirmware format is like x.x.x.x.rom. The second x from left must be greater than or equal to 81(e.g., the firmware version of SIP-T46G IP phone: 28.81.0.20.rom).See theYealink Products Regulatory Notices guide for all regulatory and safety guidance.Chapters in This GuideThis administrator guide includes the following chapters: Chapter 1, “Product Overview” describes the SIP IP phones and expansion modules. Chapter 2, “Getting Started” describes how Yealink phones fit in your network and how toinstall and connect IP phones, and also gives you an overview of IP phone’s initializationprocess. Chapter 3, “Setting Up Your System” describes some essential information on how to setup your phone network and set up your phone with a provisioning server. Chapter 4, “Configuring Basic Features” describes how to configure the basic features onIP phones. Chapter 5, “Configuring Advanced Features” describes how to configure the advancedfeatures on IP phones. Chapter 6, “Configuring Audio Features” describes how to configure the audio features onIP phones. Chapter 7, “Configuring Security Features” describes how to configure the security
