Yealink SIP-T41S Administrator's Guide

Using Handsets with T57W/T54W/T53W/T53 Phones
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Handset Wallpaper
Wallpaper is an image used as the background for the handset idle screen. Users can select an image from hand-
set’s built-in background.
Topic
Handset Wallpaper Configuration
Handset Wallpaper Configuration
The following table lists the parameter you can use to configure the handset wallpaper.
Parameter
custom.handset.wallpaper <y0000000000xx>.cfg
Description
It configures the wallpaper displayed on the handset LCD screen.
Note: It will take effect on all handsets that are registered on the same phone. It works only if “stat-
ic.auto_provision.handset_configured.enable” is set to 1 (Enabled).
Permitted
Values
1-Wallpaper1
2-Wallpaper2
3-Wallpaper3
4-Wallpaper4
5-Wallpaper5
Default
-1, do not change the wallpaper set on each handset.
Supported
Devices
W53H, W56H
Handset UI
OK > Settings > Display > Wallpaper
Handset Screen Saver
The screen saver of the handset is designed to protect your LCD screen. You can enable the screen saver to pro-
tect the LCD screen, an analog clock will be activated and appear on the LCD screen after the handset is idle for
approximately 10 seconds.
It is only applicable to W56H/W53H handsets.
Topic
Handset Screen Saver Configuration
Handset Screen Saver Configuration
The following table lists the parameter you can use to configure the handset screen saver.
Parameter
custom.handset.screen_saver.enable
[1]
<y0000000000xx>.cfg
Description
It enables or disables screen saver feature.
Note: It will take effect on all handsets that are registered on the same phone. It works only if “stat-
ic.auto_provision.handset_configured.enable” is set to 1 (Enabled).
Permitted
Values
-1-Do not modify the configuration.
0-Disabled
1-Enabled, an analog clock will be activated and appear on the LCD screen if no user activity is
sensed for approximately 10 seconds.

Yealink SIP-T41S Specifications

General

Mounting	Desk/Wall
Handset type	Wired handset
Product type	IP Phone
Product color	Black
Keypad illumination	Yes
Wi-Fi	No
Networking standards	IEEE 802.3af
Ethernet LAN data rates	10, 100 Mbit/s
Ethernet LAN interface type	Fast Ethernet
Supported network protocols	SIP v1, SIP v2, LLDP/CDP/DHCP, OpenVPN, IEEE802.1X, IPv6, FTP/TFTP/HTTP/HTTPS
Volume control	Digital
Number of programmable keys	6
Lines quantity	6 lines
Phonebook capacity	1000 entries
Dual-Tone Multi-Frequency (DTMF) modes	In-band, Out-of band, SIP info
Input frequency	50/60 Hz
AC adapter input voltage	100 - 240 V
AC adapter output current	1.2 A
AC adapter output voltage	5 V
Display diagonal	2.7 \
Display resolution	192 x 64 pixels
Operating temperature (T-T)	-10 - 50 °C
Operating relative humidity (H-H)	10 - 95 %
Voice codecs	CNG, G.711Mu, G.711a, G.723.1, G.726, G.729ab, VAD, iLBC
Certification	CE
Cables included	LAN (RJ-45)
Number of handles included	1 pc(s)
Harmonized System (HS) code	85171800

Weight and Dimensions

Depth	189 mm
Width	212 mm
Height	175 mm
Package depth	223 mm
Package width	246 mm
Package height	120 mm