Yealink SIP-T52S Administrator's Guide

Administrator’s Guide for SIP-T2 Series/T19(P) E2/T4 Series/T5 Series/CP860/CP920 IP Phones
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3. Press or , or the Switch soft key to select Key Event from the Type field.
4. Press or , or the Switch soft key to select DND from the Key Type field.
5. (Optional.) Enter the string that will appear on the LCD screen in the Label field.
6. Press the Save soft key to accept the change.
To configure DND in the phone mode via phone user interface:
1. Press the DND soft key or the DND key when the IP phone is idle.
To configure DND in the custom mode for a specific account via phone user interface:
1. Press the DND soft key or the DND key when the IP phone is idle.
The LCD screen displays a list of accounts registered on the IP phone.
2. Press or to select the desired account and then press the Enter soft key.
3. Press the Switch soft key to activate DND.
4. (Optional.) Enter the DND on code or off code respectively in the On Code or Off Code
field.
5. Press the Save soft key to accept the change.
You can configure DND in the custom mode for all accounts by pressing the All On soft key.
Busy Tone Delay
Busy tone is audible to the other party, indicating that the call connection has been broken
when one party releases a call. Busy tone delay can define a period of time during which the
busy tone is audible.
Procedure
Busy tone delay can be configured using the following methods.
Central Provisioning
(Configuration File)
<y0000000000xx>.cfg
Configure busy tone delay.
Parameter:
features.busy_tone_delay
Web User Interface
Configure busy tone delay.
Navigate to:
http://<phoneIPAddress>/servlet?p
=features-general&q=load

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