Yealink SIP-T41S User Manual

Maintaining Your Phone
233
Resetting to Factory Settings
Generally, some common issues may occur while using the IP phone. Your system administrator
may ask you to reset your phone to factory configurations after you have tried all
troubleshooting suggestions but still do not solve the problem. This operation will delete all
your personal configuration settings, and reset all settings to the manufacturer default setting.
Check with your system administrator if the personalized settings are kept before resetting your
phone to factory settings.
Procedure:
1. Navigate to Menu->Advanced (default password: admin) ->Reset Config.
On the SIP-T42S/T41S/T40G/T40P IP phone, navigate to Menu->Settings->Advanced
Settings (default password: admin)->Reset Config.
2. Highlight the Reset to factory settings, and then press Reset.
A message is displayed on the LCD screen:
3. Press OK.
The phone begins resetting.
You can also long press the OK key when the phone is idle.
After reset, the LCD screen prompts “Welcome Initializing…Please wait”.
The phone will be reset sucessfully after startup.
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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