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Yealink SIP-T52S Administrator's Guide

Yealink SIP-T52S
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Configuring Basic Features
191
Parameter
Permitted Values
Default
phone_setting.idle_dsskey_and_title.transparency = 80%
Note: It is also applicable when the DSS key list is unfolded. It is only applicable to SIP-
T54S/T52S/T48G/T48S IP phones.
Web User Interface:
Settings->Preference->Transparency
Phone User Interface:
Menu->Basic->Display->Transparency
To change the transparency via web user interface (take SIP-T48G IP phones for
example):
1. Click on Settings->Preference.
2. Select the desired value from the pull-down list of Transparency.
3. Click Confirm to accept the change.
To change the transparency via phone user interface:
1. Tap ->Basic->Display->Transparency.
2. Tap the gray box of the Transparency field, and then select the desired value from the
pull-down list.
3. Tap the Save soft key to accept the change.
Screen Saver
The screen saver will automatically start when the IP phone is idle for a certain amount of time
if you have configured the screensaver wait time. You can stop the screen saver and return to
the idle screen at any time by pressing a key on the phone or tapping the touch screen (touch
screen is only applicable to SIP-T48G/S IP phones). The screen saver is only applicable to SIP-
T54S, SIP-T52S, SIP-T48G/S, SIP-T46G/S and SIP-T29G IP phones.
Users can select to display the built-in screen saver or custom screen saver. To set the custom
screen saver for the IP phone, you need to upload the custom screen saver in advance. If
multiple pictures are uploaded, all pictures are displayed like a slide show when screen saver
starts.

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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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