Yealink SIP-T52S Administrator's Guide

Configuring Audio Features
897
3. Click Confirm to accept the change.
Suppress DTMF Display
Suppress DTMF display allows IP phones to suppress the display of DTMF digits during an
active call. DTMF digits are displayed as “*” on the LCD screen. Suppress DTMF display delay
defines whether to display the DTMF digits for a short period of time before displaying as “*”.
Procedure
Configuration changes can be performed using the following methods.
Central Provisioning
(Configuration File)
<y0000000000xx>.cfg
Configure suppress DTMF display and
suppress DTMF display delay.
Parameters:
features.dtmf.hide
features.dtmf.hide_delay
Web User Interface
Configure suppress DTMF display and
suppress DTMF display delay.
Navigate to:
http://<phoneIPAddress>/servlet?p=f
eatures-general&q=load
Details of Configuration Parameters:
Parameters
Permitted Values
Default
features.dtmf.hide
0 or 1
0
Description:
Enables or disables the IP phone to suppress the display of DTMF digits during an active
call.
0-Disabled
1-Enabled
If it is set to 1 (Enabled), the DTMF digits are displayed as asterisks.
Web User Interface:
Features->General Information->Suppress DTMF Display
Phone User Interface:
None
features.dtmf.hide_delay
0 or 1
0

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