Yealink SIP-T41S 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-T41S Specifications

General

Mounting	Desk/Wall
Handset type	Wired handset
Product type	IP Phone
Product color	Black
Keypad illumination	Yes
Wi-Fi	No
Networking standards	IEEE 802.3af
Ethernet LAN data rates	10, 100 Mbit/s
Ethernet LAN interface type	Fast Ethernet
Supported network protocols	SIP v1, SIP v2, LLDP/CDP/DHCP, OpenVPN, IEEE802.1X, IPv6, FTP/TFTP/HTTP/HTTPS
Volume control	Digital
Number of programmable keys	6
Lines quantity	6 lines
Phonebook capacity	1000 entries
Dual-Tone Multi-Frequency (DTMF) modes	In-band, Out-of band, SIP info
Input frequency	50/60 Hz
AC adapter input voltage	100 - 240 V
AC adapter output current	1.2 A
AC adapter output voltage	5 V
Display diagonal	2.7 \
Display resolution	192 x 64 pixels
Operating temperature (T-T)	-10 - 50 °C
Operating relative humidity (H-H)	10 - 95 %
Voice codecs	CNG, G.711Mu, G.711a, G.723.1, G.726, G.729ab, VAD, iLBC
Certification	CE
Cables included	LAN (RJ-45)
Number of handles included	1 pc(s)
Harmonized System (HS) code	85171800

Weight and Dimensions

Depth	189 mm
Width	212 mm
Height	175 mm
Package depth	223 mm
Package width	246 mm
Package height	120 mm