Yealink SIP-T40G User Manual

Available Features with Optional Accessories
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Procedure:
1. Navigate to Menu->Basic->Wi-Fi.
On the SIP-T42S/T41S IP phone, navigate to Menu->Settings->Basic Settings->Wi-Fi.
2. Select On from the Wi-Fi field.
3. Press Save.
The IP phone scans the available wireless networks in your area.
Deactivating the Wi-Fi Mode
You should deactivate the Wi-Fi mode when you need to connect your phone to the wired
network.
Procedure:
1. Navigate to Menu->Basic->Wi-Fi.
On the SIP-T42S/T41S IP phone, navigate to Menu->Settings->Basic Settings->Wi-Fi.
2. Select Off from the Wi-Fi field.
3. Press Save.
Wireless Network Settings
Wi-Fi is a popular wireless networking technology that uses radio waves to provide wireless
high-speed Internet and network connections. You can connect
SIP-T48S/T48G/T46S/T46G/T42S/T41S IP phone to a wireless network.
When the Wi-Fi mode is activated on the IP phone, you can connect your phone to the desired
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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