Yealink SIP-T52S Administrator's Guide

Administrator’s Guide for SIP-T2 Series/T19(P) E2/T4 Series/T5 Series/CP860/CP920 IP Phones
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Details of the Configuration Parameter:
Parameter
Permitted Values
Default
static.watch_dog.enable
0 or 1
1
Description:
Enables or disables the Watch Dog feature.
0-Disabled
1-Enabled
If it is set to 1 (Enabled), the IP phone will reboot automatically when the system is broken
down.
Web User Interface:
Settings->Preference->Watch Dog
Phone User Interface:
None
To configure watch dog feature via web user interface:
1. Click on Settings->Preference.
2. Select the desired value from the pull-down list of Watch Dog.
3. Click Confirm to accept the change.
Getting Information from Status Indicators
Status indicators may consist of the power LED, MESSAGE key LED, line key indicator, headset
key indicator and the on-screen icon.
The following shows two examples of obtaining the IP phone information from status indicators
on SIP-T46G IP phones:
 If a LINK failure of the IP phone is detected, a prompting message “Network unavailable”
and the icon will appear on the LCD screen.
 If a call is muted, the MUTE key LED illuminates.
For more information on the icons, refer to Appendix G: Reading Icons on page 1043.

Yealink SIP-T52S Specifications

General

Touchscreen	-
Display diagonal	2.8 \
Backlight display	Yes
Display resolution	320 x 240 pixels
Lines quantity	16 lines
Phonebook capacity	1000 entries
Number of VoIP accounts	12
AC adapter input voltage	100 - 240 V
Bluetooth version	2.1+EDR
Security algorithms	802.1x RADIUS, HTTPS, MD5
Ethernet LAN interface type	Gigabit Ethernet
USB 2.0 ports quantity	1
Ethernet LAN (RJ-45) ports	2
Mounting	Desk/Wall
Handset type	Wired handset
Product type	IP Phone
Product color	Black
Voice codecs	G.722, G.723, G.723.1, G.726, OPUS, iLBC
Volume control	Digital
Operating temperature (T-T)	-10 - 40 °C
Operating relative humidity (H-H)	10 - 95 %
Cables included	LAN (RJ-45)
Number of handles included	1 pc(s)
Front camera	No
Operating system installed	Linux

Weight and Dimensions

Depth	212 mm
Width	211.6 mm
Height	166.8 mm