Yealink SIP-T52S User Manual

Customizing Your Phone
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For multiple emergency numbers, enter a comma between every two numbers.
3. Click Confirm.
Audio Settings
Adjusting the Volume
You can adjust the ringer volume when the phone is idle or ringing and adjust the receiver
volume of currently engaged audio devices (handset, speakerphone or headset) when the
phone is in use.
Procedure:
1. Press the Volume key to adjust the ringer and audio volume.
If ringer volume is adjusted to minimum, the minimum volume icon will appear on LCD screen.
Note
Ring Tones
Ring tones are used to indicate incoming calls. You can select different ring tones to distinguish
different accounts registered on your phone, or to distinguish your phone from your neighbor’s.
Selecting a Ring Tone
Procedure:
1. Navigate to Menu->Basic->Sound->Ring Tones->Common.
Your system administrator can disable you to adjust the ringer volume.

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