Yealink SIP-T52S Administrator's Guide

Administrator’s Guide for SIP-T2 Series/T19(P) E2/T4 Series/T5 Series/CP860/CP920 IP Phones
xvi
 Auto Answer on page 385
 Do Not Disturb (DND) on page 409
 Call Forward on page 445
 Call Park on page 518
 Lightweight Directory Access Protocol (LDAP) on page 591
 Visual Alert and Audio Alert for BLF Pickup on page 611
 Busy Lamp Field (BLF) List on page 635
 Receiving RTP Stream on page 692
 Action URI on page 739
 Ring Tones on page 820
 Audio Codecs on page 854
 Jitter Buffer on page 884
 Transport Layer Security (TLS) on page 938
 Local Logging on page 964
 Syslog on page 972
Changes for Release 81, Guide Version 81.20
Major updates have occurred to the following sections:
 Wallpaper on page 182
 Screen Saver on page 191
Changes for Release 81, Guide Version 81.15
Documentations of the newly released SIP-T48S, SIP-T46S, SIP-T42S, SIP-T41S and SIP-T27G IP
phones have been added.
The following section is new for this version:
 Transparency on page 189
Major updates have occurred to the following sections:
 VPN on page 97
 Upgrading Firmware from the Provisioning Server on page 149
 Wallpaper on page 182
 Screen Saver on page 191
 Power Saving on page 199
 Backlight on page 203
 Account Registration on page 223
 Time and Date on page 248
 Language on page 267

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