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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.

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.

Startup

2

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.

      

    I

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

          is PoE-compliant.

Note: 

The USB port can also be used to connect Bluetooth USB dongle BT40/BT41 or Wi-Fi USB dongle 

          WF40/WF50. The Bluetooth USB dongle BT40/BT41 or Wi-Fi USB dongle WF40/WF50 should be 

          purchased separately. For more information on how to use the BT40, BT41, WF40 or WF50, refer to 

          Yealink Bluetooth USB Dongle BT40 User Guide, Yealink Bluetooth USB Dongle BT41 User Guide,

          Yealink Wi-Fi USB Dongle WF40 User Guide or Yealink Wi-Fi USB Dongle WF50 User Guide

.

3. 

Connect the USB flash drive, as shown below:

PC Connection

   (Optional)

IEEE 802.3af compliant

    

 PoE Hub/Switch

A

B

AC Power Option

PoE ( Power over 

Ethernet ) Option

PC

PC Connection

   (Optional)

Power Adapter

     (DC 5V)

PC

Summary of Contents for SIP-T27G

Page 1: ...Quick Start Guide V84 80 Yealink IP Phone SIP T27G www yealink com T27G Applies to firmware version 69 84 0 60 or later ...

Page 2: ... 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 A B Assembling the Phone 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 Yeali...

Page 3: ...hat 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 Note The USB port can also be used to connect Bluetooth USB dongle BT40 BT41 or Wi Fi USB dongle WF40 WF50 The Bluetooth USB dongle BT40 BT41 or Wi Fi USB dongle WF40 WF50 should be purchased separately For more information on how ...

Page 4: ...address primary DNS address and secondary DNS address for the phone manually Press the Menu soft key when the phone is idle select Settings Advanced Settings default password admin Network WAN Port VLAN Web Server 802 1x VPN LLDP CDP NAT to configure the network Press the Menu soft key when the phone is idle select Settings Advanced Settings default password admin Accounts to configure the account...

Page 5: ...set or press the End Call soft key Press Press or the End Call soft key Press the End Call soft key Press to enter the Placed Calls list press or to select the desired entry and then press or the Send soft key Press twice when the phone is idle to dial out the last dialed number To resume the call do one of the following Press to mute the microphone during a call Press again to un mute the call If...

Page 6: ... the After Ring Time field 4 Press the Save soft key to accept the change 1 Press or the Conf soft key during an active call The call is placed on hold 2 Enter the number of the second party and then press the Send soft key 3 Press or the Conf soft key again when the second party answers All parties are now joined in the conference If there is more than one call on hold press or to select the desi...

Page 7: ...r a unique contact name in the Name field and contact numbers in the corresponding fields 2 Press or to select the desired contact press the Option soft key and then select Detail from the 2 Press or to select the desired contact press the Option soft key and then select Delete from the Customizing Your Phone Note You can add contacts from call history easily For more information refer to Call His...

Page 8: ...e Do not let a child play with the device or any accessory in case of accidental swallowing Please use the accessories provided or authorized by the manufacturer only The power supply of the device shall meet the requirements of the input voltage of the device Please use the provided surge protection power socket only Before plugging or unplugging any cable make sure that your hands are completely...

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