Yealink T40G Administrator's Guide

Troubleshooting
572
phone status and provides the ability to get stack traces from the last time the IP phone failed. If Watch
Dog feature is enabled, the IP phone will automatically reboot when it detects a fatal failure. This feature
can be configured using the configuration files or via web user interface.
Topic
Watch Dog Configuration
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 IP 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 web user
interface or phone user interface.
Procedure
1. From the web user interface, click Network->Diagnostics.
2. Select Ping or Traceroute from the pull-down list of Command.
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.

Yealink T40G Specifications

General

SIP Accounts	3
Wall Mountable	Yes
Opus Codec	No
Display	2.3 inch 132x64-pixel graphical LCD
Network	Dual-port Gigabit Ethernet
PoE	Yes
Headset Support	Yes, RJ9 port
Power Adapter	Optional
Voice Codecs	G.722, G.711(A/μ), G.729AB, G.726
Local Phonebook	1000 entries