Yealink SIP-T52S User Manual

Customizing Your Phone
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The IP phone will automatically display the XML items (for example, notifications or
company logo, refer to Configuring the XML Browser URL) along with system picture or
custom pictures (if uploaded) as the screen saver.
5. Press Save.
Screen saver is configurable via web user interface at the path Settings->Preference.
Power Saving
The power saving feature is used to turn off the backlight and screen to conserve energy. The IP
phone enters power-saving mode after it has been idle for a certain period of time. The power
LED glows red for 500ms and goes out for 3000ms alternately.
Note
The IP phone will exit power-saving mode if one of the following phone events occurs:
 Press any key.
 Pick up/hang up the handset.
 There is an incoming call.
 A new prompt (for example, missed call, new voice mail or forwarded call).
 The status of BLF key changes.
If the screen saver is enabled (refer to Screen Saver) on your phone, power-saving mode will still
occur.
You can configure the following power-saving settings:
 Office Hour
 Idle Timeout (minutes)
Enabling the Power Saving
Procedure:
1. Click Settings->Power Saving.
Your system administrator can disable the power LED indicator for power saving.

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