Yealink SIP-T52S Administrator's Guide

Configuring Basic Features
427
Details of the Configuration Parameter:
Parameter
Permitted Values
Default
features.busy_tone_delay
0, 3 or 5
0
Description:
Configures the duration time (in seconds) for the busy tone.
When one party releases the call, a busy tone is audible to the other party indicating that
the call connection breaks.
0-0s
3-3s
5-5s
If it is set to 3 (3s), a busy tone is audible for 3 seconds on the IP phone.
Web User Interface:
Features->General Information->Busy Tone Delay (Seconds)
Phone User Interface:
None
To configure busy tone delay via web user interface:
1． Click on Features->General Information.
2． Select the desired value from the pull-down list of Busy Tone Delay (Seconds).
3． Click Confirm to accept the change.

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