Yealink SIP-T40G User Manual

Advanced Phone Features
175
A message is displayed on the LCD screen:
2. Press OK.
Registration configurations of all accounts on the phone will be cleared immediately.
The login wizard will be displayed as below:
3. Enter the login information in each field.
4. Press Save to login.
Intercom
Intercom is a useful feature in an office environment to quickly connect with the operator or the
secretary. You can press the intercom key to place a call to a contact that is answered
automatically on the contact's phone as long as the contact is not in an active call. In addition,
the intercom key can be used for monitoring the status changes of a specific line on the phone.
Note
Intercom 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