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Yealink T27P Administrator's Guide

Yealink T27P
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About This Guide
v
This guide is intended for administrators who need to properly configure, customize,
manage, and troubleshoot the IP phone system rather than end-users. It provides
details on the functionality and configuration of IP phones.
Many of the features described in this guide involve network settings, which could affect
the IP phone’s performance in the network. So an understanding of IP networking and a
prior knowledge of IP telephony concepts are necessary.
This guide covers SIP-T48G, SIP-T46G, T42G, T41P, T29G, T27P, T23P/G and T21(P) E2 IP
phones. The following related documents are available:
Quick Start Guides, which describe how to assemble IP phones and configure the
most basic features available on IP phones.
User Guides, which describe the basic and advanced features available on IP
phones.
Auto Provisioning Guide, which describes how to provision IP phones using the
configuration files.
<y0000000000xx>.cfg and <MAC>.cfg template configuration files.
IP Phones Deployment Guide for BroadSoft UC-One Environments, which describes
how to configure BroadSoft features on the BroadWorks web portal and IP phones.
For support or service, please contact your Yealink reseller or go to Yealink Technical
Support online: http://www.yealink.com/Support.aspx.
The information detailed in this guide is applicable to firmware version 80 or higher. The
firmware format is like x.x.x.x.rom. The second x from left must be greater than or equal
to 80 (e.g., the firmware version of SIP-T23G IP phone: 44.80.0.20.rom). This administrator
guide includes the following chapters:
Chapter 1, Product Overview” describes the SIP components and SIP IP phones.
Chapter 2, Getting Starteddescribes how to install and connect IP phones and
the configuration methods.
Chapter 3, Configuring Basic Features” describes how to configure the basic
features on IP phones.
Chapter 4, Configuring Advanced Features” describes how to configure the

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Yealink T27P Specifications

General IconGeneral
Wall MountableYes
Local Phonebook1000 entries
BluetoothNo
Wi-FiNo
Gigabit EthernetNo
Display3.66" 240x120 pixel graphical LCD with backlight
Audio FeaturesHD voice, Full-duplex speakerphone
NetworkDual-port 10/100 Ethernet switch
ProtocolsSIP v1 (RFC2543), v2 (RFC3261)
PowerIEEE 802.3af PoE
Connectivity2 x RJ45 10/100M Ethernet ports
Voice CodecsG.711(A/μ), G.722, G.723, G.729AB, G.726
EHSSupports EHS with Plantronics headsets
Headset PortYes
Power Adapter5V DC (optional)

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