Yealink SIP-T40G User Manual

User Guide for T4 Series IP Phones
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Disconnecting the Bluetooth Device
You can disconnect the Bluetooth device from your phone. After you disconnect the Bluetooth
device, it will still remain paired. So you can easily connect it to your IP phone again.
Procedure:
1. Navigate to Menu->Basic->Bluetooth->Paired Bluetooth Device.
2. Highlight the connected Bluetooth device, and then press Disconnect.
On the SIP-T48S/T48G IP phone, tap the connected Bluetooth device.
The Bluetooth device is disconnected. To connect it to your IP phone again, press Connect
or tap it.
Connecting to the Wireless Network
You can use Wi-Fi USB dongle WF40 to wirelessly connect SIP-T29G/T27G IP phone to available
wireless networks.
Wi-Fi mode is configurable via web user interface at the path Network->Wi-Fi.
Connecting the Wi-Fi USB Dongle WF40
Procedure:
Insert the Wi-Fi USB Dongle WF40 into the USB port on the back of the phone.
For more information on WF40, see the Wi-Fi USB dongle WF40 user guide on Yealink Technical
Support page.
Activating the Wi-Fi Mode
When Wi-Fi USB dongle WF40 is connected to the USB port on the back of the IP phone, a
message will display on the LCD screen:
You can press OK to activate Wi-Fi mode directly and scan Wi-Fi devices automatically.
If you press Cancel, you can activate Wi-Fi mode manually when you want to use the Wi-Fi
feature.
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Yealink SIP-T40G Specifications

General

Mounting	Desk/Wall
Handset type	Wired handset
Product type	IP Phone
Product color	Black
Wall mountable	Yes
Wi-Fi	No
Security algorithms	AES, HTTPS, SSL/TLS
Networking standards	IEEE 802.3af
Ethernet LAN interface type	Gigabit Ethernet
Supported network protocols	FTP, TFTP, HTTP, HTTPS
Voice codecs	G.711, G.711a, G.711u, G.722, G.726, G.729ab
RJ-11 ports quantity	1
Ethernet LAN (RJ-45) ports	2
AC adapter input voltage	100 - 240 V
AC adapter output current	0.6 A
AC adapter output voltage	5 V
Power consumption (typical)	1.6 W
Certification	CE, FCC, ISO 9001
Operating temperature (T-T)	-10 - 50 °C
Operating relative humidity (H-H)	10 - 90 %
Volume control	Digital
Display diagonal	2.3 \
Display resolution	132 x 64 pixels
Lines quantity	3 lines
Phonebook capacity	1000 entries
Number of VoIP accounts	3
Number of handles included	1 pc(s)

Weight and Dimensions

Depth	175 mm
Width	212 mm
Height	54 mm