Yealink SIP-T40G User Manual

User Guide for T4 Series IP Phones
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reduction through space saving. This feature is regularly used in places where not all the
employees are in the office at the same time, or not in the office for very long, which means that
actual personal offices would be often vacant, consuming valuable space and resources.
You can use hot desking to log out from the current account and then log into a new account.
As a result, many users can share one same phone resource at different times. To use this
feature, you need to configure a hot desking key in advance.
Note
Configuring a Hot Desking Key
Procedure:
1. Navigate to Menu->Features->DSS Keys.
2. Select a desired line key.
3. Select Key Event from the Type field.
4. Select Hot Desking from the Key Type field.
5. (Optional.) Enter the string that will display on the LCD screen in the Label field.
6. Press Save.
Hot desking key is configurable via web user interface at the path Dsskey->Line Key.
Using a Hot Desking Key
Procedure:
1. Press the hot desking key when the phone is idle.
Hot desking is not available on all servers. Contact your system administrator for more
information.
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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