Yealink SIP-T52S Administrator's Guide

Configuring Basic Features
471
Parameters
Permitted Values
Default
Features->Transfer->Semi-Attended Transfer
Phone User Interface:
None
To configure call transfer via web user interface:
1. Click on Features->Transfer.
2. Select the desired values from the pull-down lists of Semi-Attended Transfer, Blind Transfer
on Hook and Attended Transfer on Hook.
3. Click Confirm to accept the change.
Local Conference
Local conference requires a host phone to process the audio of all parties. The maximum callers
you can host in a local conference varies by phone:
 SIP-
T54S/T52S/T48G/T48S/T46G/T46S/T42G/T42S/T41P/T41S/T40P/T40G/T29G/T27P/T27G/T23P/
T23G/T21(P) E2/T19(P) E2 support three-way local conference.
 CP860/CP920 IP phones support five-way local conference.
For CP920 IP phones You can merge two calls into a conference directly by tapping the Conf
soft key.

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