Yealink SIP-T41S Administrator's Guide

Administrator’s Guide for SIP-T2 Series/T4 Series/T5 Series/CP920 IP Phones
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3. Click the Convert button.
Then you can find the DOB logo files in the adv directory.
Custom Logo Configuration
The following table lists the parameters you can use to configure the custom logo.
Parameter
phone_setting.lcd_logo.mode <y0000000000xx>.cfg
Description
It configures the logo shown on the LCD screen.
Permitted
Values
0-Off, the phone is not allowed to display a logo.
1-System Logo, the LCD screen will display the system logo.
2-Custom Logo, the LCD screen will display the custom logo (you need to upload a custom logo file to
the IP phone).
Default
0
Supported
Devices
All black-and-white screen phones
Web UI
Features > General Information > Use Logo
Parameter
lcd_logo.url <y0000000000xx>.cfg
Description
It configures the access URL of the custom logo file.
Note: It works only if “phone_setting.lcd_logo.mode” is set to 2 (Custom Logo).

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