Yealink SIP-T41S User Manual

Maintaining Your Phone
231
Maintaining Your Phone
When your phone is unable to operate properly, you need to investigate or troubleshoot issues
among other tasks your administrator may ask you to perform. This chapter explains how to
perform maintenance tasks on your phone:
 Diagnosing the Network
 Rebooting Your Phone
 Resetting to Factory Settings
 Updating the Phone Configuration
 Export All Diagnostic Files
Diagnosing the Network
The wrong network settings may result in inaccessibility of your phone and poor network
performance. In this case, your system administrator may ask you to use the “Ping” or “Trace
Route” method to check whether the network is connected, and to analyze the network fault.
Checking the Network Using “Ping” Method
Procedure:
1. Navigate to Menu->Features->Diagnostics->Network->Ping.
2. Enter the desired IP address or URL in the Ping IP or URL field.
3. Press Start.
The screen displays the network status information.
4. Press Back to back to the preview screen.
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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