Yealink SIP-T27G User Manual

Yealink IP Phone

SIP-T27G

T27G

www.yealink.com

Quick Start Guide

Applies to firmware version 69.81.0.90 or later.

(V81.90)

Packaging Contents

The following items are included in your package. If you find anything missing, contact your system
administrator.

Handset Cord

IP Phone

Note: We recommend that you use the accessories provided or approved by Yealink. The use of unapproved

third-party accessories may result in reduced performance.

Handset

Quick Start Guide

Ethernet Cable

(1.5m CAT5E UTP Cable)

（Optional）

Stand

Wall Mount BracketPower Adapter

（Optional）

Assembling the Phone

1. Attach the stand, as shown below:

A

B

Desk Mount Method

Note: You can also mount the phone to a wall. For more information on how to attach the wall mount bracket,

refer to Yealink Wall Mount Quick Installation Guide for Yealink IP Phones.

2. Connect the handset and optional headset, as shown below:

Wireless Headset Adapter EHS36

Note: The headset or wireless headset adapter EHS36 should be purchased separately.

The EXT port can also be used to connect the expansion module EXP20. For more information on how to
use the EHS36 and EXP20, refer to Yealink EHS36 User Guide and Yealink EXP20 User Guide.

1

3. Connect the USB flash drive, as shown below:

Note: The USB port can also be used to connect Bluetooth USB dongle BT40 or Wi-Fi USB dongle WF40. The

Bluetooth USB dongle BT40 or Wi-Fi USB dongle WF40 should be purchased separately. For more
information on how to use the BT40 and WF40, refer to Yealink Bluetooth USB Dongle BT40 User Guide
and Yealink Wi-Fi USB Dongle WF40 User Guide

.

4. Connect the network and power, as shown below:

You have two options for network and power connections. Your system administrator will advise you which one
to use.

AC Power Option

PoE ( Power over
Ethernet ) Option

A

B

PC Connection
(Optional)

PC

Power Adapter
(DC 5V)

PC

PC Connection
(Optional)

IEEE 802.3af compliant

PoE Hub/Switch

Note: The IP phone should be used with Yealink original power adapter (5V/1.2A) only. The use of the

third-party power adapter may cause the damage to the phone. If you are connecting a PC to your phone

we recommend that you use the Ethernet cable provided by Yealink.

If inline power (PoE) is provided, you don’t need to connect the power adapter. Make sure the hub/switch

is PoE-compliant.

Startup

After the IP phone is connected to the network and
supplied with power, it automatically begins the
initialization process. After startup, the phone is ready
for use. You can configure the phone via phone user
interface or web user interface.

,

2