Yealink SIP-T40G User Manual

Available Features with Optional Accessories
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If the IP phone is connected to a wireless network successfully, you can also navigate to
Menu->Basic->Wi-Fi->Wi-Fi Status to view the connected wireless network information.
Managing the Saved Wireless Network
Once the IP phone has ever been connected to a wireless network successfully, this wireless
network profile will be saved in Known Network(s) list. The next time you activate Wi-Fi feature,
the IP phone will be automatically connected to the wireless network which has the highest
priority (the top one). Up to 5 wireless network profiles can be saved in Known Network(s) list.
If you want to add a new one when the IP phone has already saved 5 wireless network profiles,
please delete an older one before adding.
Procedure:
1. Navigate to Menu->Basic->Wi-Fi->Known Network(s).
On the SIP-T42S/T41S IP phone, navigate to Menu->Settings->Basic
Settings->Wi-Fi->Known Network(s).
2. Press Option.
On the SIP-T48S/T48G IP phone, tap .
3. Do one of the following:
- To edit the wireless network profile:
1) Select Edit.
2) Edit the desired wireless network information.
3) Press Save.
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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