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Yealink SIP-T52S Administrator's Guide

Yealink SIP-T52S
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Configuring Security Features
923
Configuring Security Features
This chapter provides information for making configuration changes for the following security-
related features:
User and Administrator Passwords
Auto Logout Time
Phone Lock
Transport Layer Security (TLS)
Secure Real-Time Transport Protocol (SRTP)
Encrypting and Decrypting Files
Incoming Signaling Validation
User and Administrator Passwords
Some menu options are protected by two privilege levels, user and administrator, each with its
own password. When logging into the web user interface, you need to enter the user name and
password to access various menu options. The default user password is “user” and the default
administrator password is “admin”.
For security reasons, the user or administrator should change the default user or administrator
password as soon as possible. A user or an administrator can change the user password. The
administrator password can only be changed by an administrator.
Advanced menu options are strictly used by administrators. Users can configure them only if
they have administrator privileges.
Procedure
User or administrator password can be changed using the following methods.
Central Provisioning
(Configuration File)
<y0000000000xx>.cfg
Change the user or administrator
password of the IP phone.
Parameter:
static.security.user_password
Web User Interface
Change the user or administrator
password of the IP phone.
Navigate to:
http://<phoneIPAddress>/servlet?
p=security&q=load
Phone User Interface
Change the administrator

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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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