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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
926
Parameter
Permitted Values
Default
Note: If you change this parameter, the IP phone will reboot to make the change take
effect.
Web User Interface:
Features->General Information->Auto Logout Time(1~1000min)
Phone User Interface:
None
To configure the auto logout time via web user interface:
1. Click on Features->General Information.
2. Enter the desired auto logout time in Auto Logout Time(1~1000min) field.
3. Click Confirm to accept the change.
Phone Lock
Phone lock is used to lock the IP phone to prevent it from unauthorized use. Once the IP phone
is locked, a user must enter the password to unlock it. IP phones offer three types of phone
lock: Menu Key, Function Keys and All Keys. The IP phone will not be locked immediately after
the phone lock type is configured. One of the following steps is also needed:
- Long press the pound key when the IP phone is idle.
- Press the phone lock key (if configured) when the IP phone is idle.
In addition to the above steps, you can configure the IP phone to automatically lock the phone
after a period of time.

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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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