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Yealink SIP-T52S User Manual

Yealink SIP-T52S
229 pages
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Customizing Your Phone
53
2. Enter the desired value in the Old PIN, New PIN and Confirm PIN field respectively.
3. Press Save.
Phone Lock PIN is configurable via web user interface at the path Features->Phone Lock.
Note
Unlocking the Phone
Procedure:
1. Press any locked key, the LCD screen prompts you to enter an unlock PIN.
2. Enter the desired PIN in the Unlock PIN field.
3. Press OK.
The lock icon disappears from the LCD screen.
You can long press the # key or wait for a period of time (if configured) to lock the phone
again.
Note
You can also unlock the phone by administrator password. When you enter the administrator
password to unlock the phone, the phone will turn to the Change PIN screen.
The unlock PIN length must be less than 15 digits.

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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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