Yealink SIP-T52S User Manual

Table of Contents
ix
Basic Call Features ...................................................................... 103
Switching among the Handset, Speakerphone and Headset Modes ............................................ 103
Placing Calls .......................................................................................................................................................... 104
Placing a Call .................................................................................................................................................... 104
Placing Multiple Calls .................................................................................................................................... 105
Placing a Call Using a Speed Dial Key .................................................................................................... 105
Placing a Call from the Recent Calls/Search Source List ................................................................. 106
Placing a Call Back to the Last Incoming Call ...................................................................................... 107
Dialing the Hotline Number ....................................................................................................................... 107
Redialing Numbers ........................................................................................................................................ 108
Answering Calls .................................................................................................................................................... 108
Answering When Not in Another Call .................................................................................................... 109
Answering When in Another Call ............................................................................................................. 109
Answering Calls Automatically .................................................................................................................. 110
Configuring the Call Waiting ...................................................................................................................... 111
Ending Calls ........................................................................................................................................................... 111
Auto Redial ............................................................................................................................................................ 112
Enabling the Auto Redial ............................................................................................................................. 112
Redialing a Call Automatically ................................................................................................................... 113
Call Completion ................................................................................................................................................... 113
Enabling Call Completion ............................................................................................................................ 113
Using Call Completion .................................................................................................................................. 114
Call Mute ................................................................................................................................................................ 115
Muting and Unmuting a Call ...................................................................................................................... 115
Muting and Unmuting While Dialing ...................................................................................................... 116
Call Hold/Resume ............................................................................................................................................... 116
Holding a Call ................................................................................................................................................... 116
Resuming a Held Call .................................................................................................................................... 117
Do Not Disturb (DND) ....................................................................................................................................... 117
Configuring the DND Modes ..................................................................................................................... 118
Phone Mode ..................................................................................................................................................... 119
Custom Mode................................................................................................................................................... 120
Configuring DND Emergency and Authorized Numbers ................................................................ 121
Call Forward .......................................................................................................................................................... 122
Static Forwarding ............................................................................................................................................ 122
Dynamic Forwarding ..................................................................................................................................... 126
Call Transfer........................................................................................................................................................... 127
Configuring Transfer Mode via Dsskey .................................................................................................. 127
Performing a Blind Transfer ........................................................................................................................ 128
Performing a Semi-attended/Attended Transfer ............................................................................... 129
Conference ............................................................................................................................................................ 129
Local Conference ............................................................................................................................................ 129
Network Conference...................................................................................................................................... 132

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