Yealink SIP-T52S User Manual

User Guide for T5 Series IP Phones
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code to the server to activate/deactivate anonymous call rejection on the server side.
Configuring the Anonymous Call Rejection
Procedure:
1. Navigate to Menu->Features->Anonymous.
2. Select a desired line.
3. Select Enabled from the Local Anonymous Rejection (Local Anony Reject) field.
4. (Optional.) Select the desired value from the Send Rejection Code field.
5. (Optional.) Enter the anonymous call rejection 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 rejection feature on the phone.
6. Press Save.
Anonymous call rejection is configurable via web user interface at the path Account->Basic.
Placing a Call to Anonymous Rejected User
If phone B has anonymous call feature enabled and places a call to your IP phone, the call
cannot be dialed out on phone B, and the LCD screen of the phone B will display the following:

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