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Yealink T40G Administrator's Guide

Yealink T40G
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Introduction
i
Introduction
Yealink administrator guide provides general guidance on setting up phone network, provisioning and
managing phones.
This guide is not intended for end users, but for administrators with experience in networking who
understand the basic of open SIP networks and VoIP endpoint environments.
As an administrator, you can do the following with this guide:
Set up a VoIP network and provisioning server.
Provision the phone with features and settings.
Troubleshoot, update and maintain phones.
The information detailed in this guide is applicable to the following Yealink devices running firmware
version 83 or higher:
T5 series IP phones, including T54S and T52S.
T4 series IP phones, including T48S/G, T46S/G, T42S/G, T41S/P and T40P/G.
T2 series IP phones, including T29G, T27P/G, T23P/G, T21(P) E2 and T19(P) E2.
Expansion modules, including EXP20, EXP40 and EXP50.
Read the Yealink Products Regulatory Notices guide for all regulatory and safety guidance.
Related Documentations
The following related documents are available:
Quick Start Guides, describe how to assemble IP phones and configure the most basic features
available on IP phones.
User Guides, describe how to configure and use the basic and advanced features available on IP
phones via phone user interface or via web user interface.
Auto Provisioning Guide, describes how to provision IP phones using the boot file and configuration
files.
The
Auto Provisioning Guide
is to serve as a basic guidance for provisioning Yealink IP phones with
a provisioning server. If you are novice, this guide is helpful for you.
Using features integrated with Broadsoft UC-One, refer to the following two guides to have a better
knowledge of BroadSoft features.
IP Phones Deployment Guide for BroadSoft UC-One Environments, describes how to configure
BroadSoft features on the BroadWorks web portal and IP phones.
IP Phone Features Integrated with BroadSoft UC-One User Guide, describes how to configure and

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Yealink T40G Specifications

General IconGeneral
SIP Accounts3
Wall MountableYes
Opus CodecNo
Display2.3 inch 132x64-pixel graphical LCD
NetworkDual-port Gigabit Ethernet
PoEYes
Headset SupportYes, RJ9 port
Power AdapterOptional
Voice CodecsG.722, G.711(A/μ), G.729AB, G.726
Local Phonebook1000 entries

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