Yealink SIP-T40G Administrator's Guide

Administrator’s Guide for SIP-T2 Series/T4 Series/T5 Series/CP920 IP Phones
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Delete all custom screen saver images:
screensaver.delete = http://localhost/all
Delete a custom screen saver image (for example, Screencapture.jpg):
screensaver.delete = http://localhost/Screencapture.jpg
Permitted
Values
http://localhost/all or http://localhost/name.(jpg/png/bmp/jpeg)
Default
Blank
Supported
Devices
All color screen phones
Parameter
screensaver.xml_browser.url <y0000000000xx>.cfg
Description
It configures the access URL of the screen saver XML file.
Example:
screensaver.xml_browser.url = http://192.168.10.25/ScreenSaver.xml
During the auto provisioning, the phone connects to the HTTP provisioning server “192.168.10.25”,
and downloads the screen saver XML file “ScreenSaver.xml”.
Note: For color screen phones, it works only if "screensaver.type" is set to 2 (Server XML).
Permitted
Values
URL within 511 characters
Default
Blank
Web UI
T57W/T54W/T53W/T53/T48U/T46U/T43U/T42U/CP920:
Settings > Preference > XML Browser URL
Other Phones:
Settings > Preference > Screensaver Type (Server XML) > XML Browser URL
Parameter
screensaver.clock_move_interval <y0000000000xx>.cfg
Description
It configures the interval (in seconds) for the phone to move the clock and icons when the screen
saver starts.
Note: It works only if "screensaver.display_clock.enable" is set to 1 (Enabled).
Permitted
Values
Integer from 5 to 1200
Default
600
Supported
Devices
All color screen phones
Parameter
screensaver.picture_change_interval <y0000000000xx>.cfg
Description
It configures the interval (in seconds) for the phone to change the picture when the screen saver
starts.
Note: It works only if “screensaver.type” is set to 1 (Upload Picture) and the parameter “screensaver-
.upload_url” should be configured in advance.
Permitted
Values
Integer from 5 to 1200
Default
60
Supported
Devices
All color screen phones

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