Yealink SIP-T41S Administrator's Guide

Administrator’s Guide for SIP-T2 Series/T4 Series/T5 Series/CP920 IP Phones
547
Watch Dog Configuration
The following table lists the parameter you can use to configure watch dog.
Parameter
static.watch_dog.enable <y0000000000xx>.cfg
Description
It enables or disables the Watch Dog feature.
Permitted
Values
0-Disabled
1-Enabled, the phone will reboot automatically when the system crashed.
Default
1
Web UI
Settings > Preference > Watch Dog
Network Diagnostics
You can use ping and traceroute diagnostics for troubleshooting network connectivity via the web user interface or
phone user interface.
You can also enable the phone to detect the reachability of the connected wired or wireless network via auto pro-
visioning. The phone can display an icon warning (for T42S/T42U/T41S IP phone, prompt a message) on the
phone screen when the network is unreachable. You can set the time interval for network reachability detection.
Topics
Ping and Traceroute Diagnostics
Network Reachability Detection Configuration
Ping and Traceroute Diagnostics
Procedure
1. From the web user interface, click Network > Diagnostics.
2. Select Ping or Traceroute from the Command drop-down menu.
3. Enter an IP address or a URL (for example, 10.200.108.48) in the IP Address field.
4. Click Start to start a ping.
You can also diagnose network via the phone user interface at the path: Menu > Features > Diagnostics > Net-
work > Ping or Menu > Features > Diagnostics > Network > Trace Route.

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