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Yealink SIP-T52S Administrator's Guide

Yealink SIP-T52S
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Configuring Basic Features
255
7. Click Confirm to accept the change.
To configure the NTP server and time zone via phone user interface:
1. Press Menu->Basic->Time & Date->General->SNTP Settings.
2. Press or , or the Switch soft key to select the time zone that applies to your area
from the Time Zone field.
3. Enter the domain name or IP address in the NTP Server1 and NTP Server2 field
respectively.
4. Press or , or the Switch soft key to select the desired value from the Daylight
Saving field.
If Automatic is selected, the Location field will appear.
5. Press or , or the Switch soft key to select the desired value from the Location
field.
6. Press the Save soft key to accept the change.
Time and Date Settings
You can set the time and date manually when IP phones cannot obtain the time and date from
the NTP time server. The time and date display can use one of several different formats. You
can customize date format as required.
You need to know the following rules when customizing date formats:
Format
Description
Y/YY
It represents a two-digit year.
For example, 16, 17, 18
Y is used more than twice
(e.g., YYY, YYYY)
It represents a four-digit year.
For example, 2016, 2017, 2018
M/MM
It represents a two-digit month.
For example, 01, 02,…, 12
MMM
It represents the abbreviation of the month.
For example, Jan, Feb,…, Dec
M is used more than three
times (e.g., MMMM)
It represents the long format of the month.
For example, January, February,…, December
D is used more than once
(e.g., DD)
It represents a two-digit day.
For example, 01, 02,…, 31
W/WW
It represents the abbreviation of the day of week.
For example, Mon, Tue,…, Sun

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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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