Yealink SIP-T52S User Manual

Basic Call Features
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3. Select Enabled from the Local Anonymous field.
4. (Optional.) Select the desired value from the Send Anonymous Code (Send Anony Code)
field.
5. (Optional.) Enter the anonymous call on code and off code respectively in the On Code and
Off Code field.
The phone will send the configured on code or off code depending on your selection when
you enable or disable anonymous call feature on the phone.
6. Press Save.
Anonymous call is configurable via web user interface at the path Account->Basic.
Placing an Anonymous Call
Procedure:
1. Using the specific line which has been configured with anonymous call feature to place a
call to phone B.
The LCD screen of phone B prompts an incoming call from anonymity.
Anonymous Call Rejection
Anonymous call rejection, which is configurable on a per-line basis, allows you to automatically
reject incoming calls from callers who have blocked their caller ID information (including name,
phone number, etc.). You can also configure the phone to send anonymous call rejection on/off

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