Yealink SIP-T52S Administrator's Guide

Configuring Security Features
955
Parameters
Permitted Values
Default
configured by the parameter “static.auto_provision.aes_key_16.com”.
Web User Interface:
Settings->Auto Provision->MAC-Oriented AES Key
Phone User Interface:
Menu->Advanced (default password: admin) ->Auto Provision->MAC-Oriented AES
static.auto_provision.encryption.directory
0 or 1
0
Description:
Enables or disables the IP phone to encrypt <MAC>-contact.xml file using the plaintext AES
key.
0-Disabled
1-Enabled
If it is set to 0 (Disabled), the contact file will be uploaded unencrypted and will replace the
one (encrypted or unencrypted) stored on the server if you have configured to back up the
contacts to the server by the parameter “static.auto_provision.local_contact.backup.enable”.
If it is set to 1 (Enabled), the contact file will be encrypted uploaded and will replace the
one (encrypted or unencrypted) stored on the server if you have configured to back up the
contacts to the server by the parameter “static.auto_provision.local_contact.backup.enable”.
The plaintext AES key is configured by the parameter
“static.auto_provision.aes_key_16.mac”.
Web User Interface:
None
Phone User Interface:
None
static.auto_provision.encryption.config
0 or 1
0
Description:
Enables or disables the IP phone to encrypt <MAC>-local.cfg file using the plaintext AES
key.
0-Disabled
1-Enabled
If it is set to 0 (Disabled), the MAC-local CFG file will be uploaded unencrypted and will
replace the one (encrypted or unencrypted) stored on the server if you have configured to
back up the MAC-local CFG file to the server by the parameter
“static.auto_provision.custom.sync”.
If it is set to 1 (Enabled), the MAC-local CFG file will be uploaded encrypted and will replace

Yealink SIP-T52S Specifications

General

Touchscreen	-
Display diagonal	2.8 \
Backlight display	Yes
Display resolution	320 x 240 pixels
Lines quantity	16 lines
Phonebook capacity	1000 entries
Number of VoIP accounts	12
AC adapter input voltage	100 - 240 V
Bluetooth version	2.1+EDR
Security algorithms	802.1x RADIUS, HTTPS, MD5
Ethernet LAN interface type	Gigabit Ethernet
USB 2.0 ports quantity	1
Ethernet LAN (RJ-45) ports	2
Mounting	Desk/Wall
Handset type	Wired handset
Product type	IP Phone
Product color	Black
Voice codecs	G.722, G.723, G.723.1, G.726, OPUS, iLBC
Volume control	Digital
Operating temperature (T-T)	-10 - 40 °C
Operating relative humidity (H-H)	10 - 95 %
Cables included	LAN (RJ-45)
Number of handles included	1 pc(s)
Front camera	No
Operating system installed	Linux

Weight and Dimensions

Depth	212 mm
Width	211.6 mm
Height	166.8 mm