Yealink SIP-T52S Administrator's Guide

Administrator’s Guide for SIP-T2 Series/T19(P) E2/T4 Series/T5 Series/CP860/CP920 IP Phones
xxii
Keep Mute ...................................................................................................................................................................... 542
Intercom .................................................................................................................................................................................... 543
Outgoing Intercom Calls .......................................................................................................................................... 543
Incoming Intercom Calls ........................................................................................................................................... 554
Call Timeout ............................................................................................................................................................................ 557
Ringing Timeout .................................................................................................................................................................... 558
Send user=phone ................................................................................................................................................................. 559
SIP Send MAC ......................................................................................................................................................................... 561
SIP Send Line........................................................................................................................................................................... 563
Reserve # in User Name ..................................................................................................................................................... 565
Password Dial.......................................................................................................................................................................... 567
Unregister When Reboot ................................................................................................................................................... 569
100 Reliable Retransmission ............................................................................................................................................. 571
Reboot in Talking .................................................................................................................................................................. 573
Answer By Hand .................................................................................................................................................................... 574
USB Recording ....................................................................................................................................................................... 575
Call Recording ............................................................................................................................................................... 575
Idle Recording ............................................................................................................................................................... 577
CSTA Control ........................................................................................................................................................................... 578
Quick Login .............................................................................................................................................................................. 580
Cloud .......................................................................................................................................................................................... 581
Configuring Advanced Features ............................................... 583
Remote Phone Book ............................................................................................................................................................ 584
Customizing Remote Phone Book Template File ........................................................................................... 584
Lightweight Directory Access Protocol (LDAP) ......................................................................................................... 591
Busy Lamp Field (BLF) .......................................................................................................................................................... 607
BLF Subscription ........................................................................................................................................................... 607
Visual Alert and Audio Alert for BLF Pickup ..................................................................................................... 611
BLF LED Mode ............................................................................................................................................................... 614
Configuring BLF LED Status and BLF Key Behavior ....................................................................................... 617
Configuring a BLF Key................................................................................................................................................ 629
Busy Lamp Field (BLF) List ................................................................................................................................................. 635
Hide Feature Access Codes ............................................................................................................................................... 643
Automatic Call Distribution (ACD) ................................................................................................................................. 645
Shared Call Appearance (SCA) ......................................................................................................................................... 653
Bridge Lines Appearance (BLA) ....................................................................................................................................... 663
Message Waiting Indicator (MWI) ................................................................................................................................. 667
Short Message Service (SMS) .......................................................................................................................................... 672
Multicast Paging .................................................................................................................................................................... 674
Sending RTP Stream ................................................................................................................................................... 674
Receiving RTP Stream ................................................................................................................................................ 692
Dsskey Recording (Record and URL Record) ............................................................................................................ 698
Hot Desking ............................................................................................................................................................................. 708

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