Yealink SIP-T52S Administrator's Guide

Administrator’s Guide for SIP-T2 Series/T19(P) E2/T4 Series/T5 Series/CP860/CP920 IP Phones
848
http://<phoneIPAddress>/servl
et?p=features-general&q=load
Details of the Configuration Parameter:
Parameter
Permitted Values
Default
features.headset_prior
0 or 1
0
Description:
Enables or disables headset prior feature. You need to press the HEADSET key to activate
the headset mode in advance.
0-Disabled
1-Enabled
If it is set to 0 (Disabled), the headset mode can be deactivated by pressing the
Speakerphone key or the HEADSET key except off-hook.
If it is set to 1 (Enabled), the headset mode will not be deactivated until the user presses
the HEADSET key again.
Note: It works only if the value of the parameter “features.headset_mode.enable” is set to
1 (Enabled). It is not applicable to CP860/CP920 IP phones.
Web User Interface:
Features->General Information->Headset Prior
Phone User Interface:
None
To configure headset prior via web user interface:
1. Click on Features->General Information.

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