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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Handset/Headset/Speakerphone Mode
Yealink IP phones support three ways to place/answer a call: using the handset, using the
headset or using the speakerphone. You can disable the least frequently used audio device as
required.
Procedure
Handset/headset/speakerphone mode can be configured using the configuration files.
Central
Provisioning
(Configuration File)
<y0000000000xx>.cfg
Configure the speaker mode.
Parameter:
features.speaker_mode.enable
Configure the handset mode.
Parameter:
features.handset_mode.enable
Configure the headset mode.
Parameter:
features.headset_mode.enable
Details of the Configuration Parameters:
Parameters
Permitted Values
Default
features.speaker_mode.enable
0 or 1
1
Description:
Enables or disables the phone’s audio speakerphone.
0-Disabled
1-Enabled
Note: It is not applicable to CP860/CP920 IP phones.
Web User Interface:
None
Phone User Interface:
None
features.handset_mode.enable
0 or 1
1
Description:
Enables or disables the phone’s handset.

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