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Yealink SIP-T52S Administrator's Guide

Yealink SIP-T52S
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Troubleshooting
981
2. Select Enabled from the pull-down list of Span to PC Port.
3. Click Confirm to accept the change.
A dialog box pops up to prompt that the settings will take effect after a reboot.
4. Click OK to reboot the phone.
Then you can use Sniffer, Ethereal or Wireshark software to capture the signal traffic.
Enabling Watch Dog Feature
The IP phone provides a troubleshooting feature called “Watch Dog, which helps you monitor
the IP 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.
Procedure
Watch Dog can be configured using the following methods.
Central Provisioning
(Configuration File)
<y0000000000xx>.cfg
Configure Watch Dog feature.
Parameter:
static.watch_dog.enable
Web User Interface
Configure Watch Dog feature.
Navigate to:
http://<phoneIPAddress>/servlet?p=
settings-preference&q=load

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Yealink SIP-T52S Specifications

General IconGeneral
Touchscreen-
Display diagonal2.8 \
Backlight displayYes
Display resolution320 x 240 pixels
Lines quantity16 lines
Phonebook capacity1000 entries
Number of VoIP accounts12
AC adapter input voltage100 - 240 V
Bluetooth version2.1+EDR
Security algorithms802.1x RADIUS, HTTPS, MD5
Ethernet LAN interface typeGigabit Ethernet
USB 2.0 ports quantity1
Ethernet LAN (RJ-45) ports2
MountingDesk/Wall
Handset typeWired handset
Product typeIP Phone
Product colorBlack
Voice codecsG.722, G.723, G.723.1, G.726, OPUS, iLBC
Volume controlDigital
Operating temperature (T-T)-10 - 40 °C
Operating relative humidity (H-H)10 - 95 %
Cables includedLAN (RJ-45)
Number of handles included1 pc(s)
Front cameraNo
Operating system installedLinux
Weight and Dimensions IconWeight and Dimensions
Depth212 mm
Width211.6 mm
Height166.8 mm

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