Yealink SIP-T52S Administrator's Guide

Configuring Basic Features
473
Parameters
Permitted Values
Default
Conf soft key, again to set up a conference after the invitee answers the call.
Note: It is only applicable to CP920 IP phones.
Web User Interface:
None
Phone User Interface:
None
To configure the local conference via web user interface:
1. Click on Account->Advanced.
2. Select the desired account from the pull-down list of Account.
3. Select Local Conference from the pull-down list of Conference Type.
4. Click Confirm to accept the change.
Network Conference
Network conference, also known as centralized conference, provides users with flexibility of call
with multiple participants (more than three). IP phones implement network conference using
the REFER method specified in RFC 4579. This feature depends on support from a SIP server.

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