Yealink SIP-T52S Administrator's Guide

Administrator’s Guide for SIP-T2 Series/T19(P) E2/T4 Series/T5 Series/CP860/CP920 IP Phones
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Parameters
Permitted Values
Default
Description:
Configures the ending time of the day for the IP phone to perform an auto provisioning
process at random.
If it is left blank or set to a specific value equal to starting time configured by the parameter
“static.auto_provision.weekly.begin_time”, the IP phone will perform an auto provisioning
process at the starting time.
If it is set to a specific value greater than starting time configured by the parameter
“static.auto_provision.weekly.begin_time”, the IP phone will perform an auto provisioning
process at random between the starting time and ending time.
If it is set to a specific value less than starting time configured by the parameter
“static.auto_provision.weekly.begin_time”, the IP phone will perform an auto provisioning
process at random between the starting time on that day and ending time in the next day.
Note: It works only if the value of the parameter “static.auto_provision.flexible.enable” is set
to 1 (On).
Web User Interface:
Settings->Auto Provision->Flexible Time
Phone User Interface:
None
static.firmware.url
URL within 511
characters
Blank
Description:
Configures the access URL of the firmware file.
Example:
static.firmware.url = http://192.168.1.20/28.81.0.15.rom
Note: If you change this parameter, the IP phone will reboot to make the change take
effect.
Web User Interface:
Settings->Upgrade->Select and Upgrade Firmware
Phone User Interface:
None
To configure the way for the IP phone to check for configuration files via web user
interface:
1. Click on Settings->Auto Provision.

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