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Yealink SIP-T52S User Manual

Yealink SIP-T52S
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User Guide for T5 Series IP Phones
12
Off
The monitored user does not exist.
Line key LED (used as a page switch key)
LED Status
Description
Solid red
There is a call parked on the line whose line key is not on
the current page.
Fast-flashing green
The line receives an incoming call on the line key of the
non-current page.
Fast-flashing red
The monitored user receives an incoming call line whose
line key is not on the current page.
Off
The line keys are idle.
Line key LED (associated with a shared line)
The Local SCA Phone is involved in an SCA call, while the Monitoring SCA Phone is not involved
in the SCA call and used for monitoring shared line.
LED Status
Description
Off
The shared line is idle.
Fast-flashing green
The shared line receives an incoming call.
Solid green (Local SCA Phone)
Solid red (Monitoring SCA
Phone)
The shared line is busy or is in a call.
The shared line is dialing.
The shared line is seized.
The call on shared line is barged in by the other shared
line party.
Slow-flashing green (Local SCA
Phone)
Slow-flashing red (Monitoring
SCA Phone)
The call on shared line is placed on public hold.
Slow-flashing green (Local SCA
Phone)
Solid red (Monitoring SCA
Phone)
The call on shared line is placed on private hold.
In a multi-party call, all the participants place the call on
hold.
Line key LED (associated with a bridged line)
The Local BLA Phone is involved in a BLA call, while the Monitoring BLA Phone is not involved in
a BLA call and used for monitoring bridged line.
LED Status
Description
Off
The bridged line is idle.
Fast-flashing green
The bridged line receives an incoming call.

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Yealink SIP-T52S Specifications

General IconGeneral
Touchscreen-
Display diagonal2.8 \
Backlight displayYes
Display resolution320 x 240 pixels
Lines quantity16 lines
Phonebook capacity1000 entries
Number of VoIP accounts12
AC adapter input voltage100 - 240 V
Bluetooth version2.1+EDR
Security algorithms802.1x RADIUS, HTTPS, MD5
Ethernet LAN interface typeGigabit Ethernet
USB 2.0 ports quantity1
Ethernet LAN (RJ-45) ports2
MountingDesk/Wall
Handset typeWired handset
Product typeIP Phone
Product colorBlack
Voice codecsG.722, G.723, G.723.1, G.726, OPUS, iLBC
Volume controlDigital
Operating temperature (T-T)-10 - 40 °C
Operating relative humidity (H-H)10 - 95 %
Cables includedLAN (RJ-45)
Number of handles included1 pc(s)
Front cameraNo
Operating system installedLinux
Weight and Dimensions IconWeight and Dimensions
Depth212 mm
Width211.6 mm
Height166.8 mm

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