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Yealink SIP-T52S Administrator's Guide

Yealink SIP-T52S
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Administrators Guide for SIP-T2 Series/T19(P) E2/T4 Series/T5 Series/CP860/CP920 IP Phones
930
Parameters
Permitted Values
Default
Features->Phone Lock->Emergency
Phone User Interface:
None
Phone Lock Type
The following table lists the operation behavior when configuring the type of phone lock:
All Keys
Function Keys
Menu key
Idle screen
Allow Behavior: You are allowed to press
the desired Line Key (key type is Line) or
the Speakerphone key to enter the
dialing screen.
Keys not Locked: Line keys (key type is
Line), digit keys, HEADSET key, Volume
key, Speakerphone key, off-hook key and
on-hook key.
Note: Line key is not applicable to SIP-
T19(P) E2/CP860/CP920 IP phones.
Speakerphone key is not applicable to
CP860/CP920 IP phones. Off-hook key
and on-hook key are only applicable to
CP860/CP920 IP phones.
The same as All
Keys.
The Menu
key (key type
is Menu) is
locked.
Incoming
call
Allow Behavior: You are allowed to
answer or reject incoming calls.
Keys not Locked: Answer and Reject soft
key; OK/, X, HEADSET key,
Speakerphone key, off-hook key and on-
hook key.
Note: Pressing X key to reject the call is
not applicable to SIP-T23P/T23G/T21(P)
E2/T19(P) E2/CP860/CP920 IP phones.
HEADSET and Speakerphone key are not
applicable to CP860/CP920 IP phones.
Off-hook key and on-hook key are only
applicable to CP860/CP920 IP phones.
The same as All
Keys.
The Menu
key (key type
is Menu) is
locked.

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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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