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Yealink SIP-T31G Administrator's Guide

Yealink SIP-T31G
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Administrator’s Guide for SIP-T2 /T3 /T4 /T5 /CP920 IP Phones
552
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.

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Yealink SIP-T31G Specifications

General IconGeneral
Mounting kitYes
Number of handles included1 pc(s)
Display diagonal2.3 \
Display resolution132 x 64 pixels
Operating temperature (T-T)-10 - 50 °C
Operating relative humidity (H-H)10 - 95 %
Voice codecsG.722, G.729, AGC, G.729A, AJB, PLC, G.711Mu, VAD, G.711a, G.723.1, G.726, iLBC, CNG, OPUS
AC adapter input voltage100 - 240 V
AC adapter output current0.6 A
AC adapter output voltage5 V
Power consumption (typical)3 W
Lines quantity2 lines
Phonebook capacity1000 entries
Number of VoIP accounts2
Sustainability certificatesRoHS, REACH
Networking standardsIEEE 802.3af, IEEE 802.1p, IEEE 802.1Q, IEEE 802.1x
Ethernet LAN data rates10, 100, 1000 Mbit/s
Ethernet LAN interface typeGigabit Ethernet
MountingDesk/Wall
Handset typeWired handset
Product typeIP Phone
Product colorGray
Harmonized System (HS) code85171800
Weight and Dimensions IconWeight and Dimensions
Depth189 mm
Width188 mm
Height162 mm
Package depth210 mm
Package width213 mm
Package height103 mm

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