Yealink SIP-T41S Administrator's Guide

Administrator’s Guide for SIP-T2 Series/T4 Series/T5 Series/CP920 IP Phones
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Format Description
For example, 2016, 2017, 2018…
M/MM
It represents a two-digit month.
For example, 01, 02,…, 12
MMM
It represents the abbreviation of the month.
For example, Jan, Feb,…, Dec
M is used more than three times (for example, MMMM)
It represents the long format of the month.
For example, January, February,…, December
D is used once or more than once (for example, DD)
It represents a two-digit day.
For example, 01, 02,…, 31
W/WW
It represents the abbreviation of the day of week.
For example, Mon, Tue,…, Sun
W is used more than twice (for example, WWW,
WWWW)
It represents the long format of the day of week.
For example, Monday, Tuesday,…, Sunday
Idle Clock Display
Idle clock is displayed on the center of the idle screen by default. You can hide the idle clock, and then the time and
date are displayed in the right of the status bar.
It is only applicable to T54W phones.
Topic
Idle Clock Display Configuration
Idle Clock Display Configuration
The following table lists the parameter you can use to configure the idle clock display.
Parameter
phone_setting.idle_clock_display.enable <y0000000000xx>.cfg
Description
It enables or disables the phone to display the idle clock.
Permitted
Values
0-Disabled
1-Enabled
Default
1
Supported
Devices
T54W
Phone UI
Menu > Basic > Display > Idle Clock > Idle Clock Display
Logo Customization
Since a logo is a visual entity signifying an organization or company, you can upload a custom logo shown on the
LCD screen. The logo screen and the idle screen display alternately.
The following shows a system logo (Yealink logo) displayed on T27G:

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