Yealink SIP-T52S Administrator's Guide

Configuring Advanced Features
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6. (Optional.) Enter the retrieve call parked code in the BLF List Retrieve Call Parked Code
field.
7. Click Confirm to accept the change.
To configure BLF List keys manually via web user interface:
1. Click on Dsskey->Line Key.
2. In the desired DSS key field, select BLF List from the pull-down list of Type.
3. Repeat the step 2, configure more BLF list keys.
4. Click Confirm to accept the change.
Hide Feature Access Codes
Hide Feature Access Codes feature enables the IP phone to display the feature name instead of
the dialed feature access code automatically. For example, the dialed call park code will be
replaced by the identifier “Call Park” when you park an active call.
The hide feature access codes feature is applicable to the following features:
 Voice Mail

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