Yealink SIP-T53W Administrator's Guide

Phone Customization
223
Web UI
Settings > Time&Date > Start Date
Parameter
local_time.end_time <y0000000000xx>.cfg
Description
It configures the end time of the Daylight Saving Time (DST).
Note: It works only if “local_time.summer_time” is set to 1 (Enabled).
Permitted
Values
Month/Day/Hour-DST by Date, use the following mapping:
Month: 1=January, 2=February,…, 12=December
Day: 1=the first day in a month,…, 31= the last day in a month
Hour: 0=0am, 1=1am,…, 23=11pm
Month/Week of Month/Day of Week/Hour of Day, Offset Days Forward-DST by Week, use the following
mapping:
Month: 1=January, 2=February,…, 12=December
Week of Month: 1=the first week in a month,…, 5=the last week in a month
Day of Week: 1=Monday, 2=Tuesday,…, 7=Sunday
Hour of Day: 0=0am, 1=1am,…, 23=11pm
Offset Days (Optional.): -1=one day offset forward, -2-two days offset forward,..., -6-six days offset for-
ward
Default
12/31/23
Web UI
Settings > Time&Date > End Date
Parameter
local_time.offset_time <y0000000000xx>.cfg
Description
It configures the offset time (in minutes) of Daylight Saving Time (DST).
Note: It works only if “local_time.summer_time” is set to 1 (Enabled).
Permitted
Values
Integer from -300 to 300
Default
60
Web UI
Settings > Time&Date > Offset (minutes)
Parameter
auto_dst.url <y0000000000xx>.cfg
Description
It configures the access URL of the DST file (AutoDST.xml).
Note: It works only if "local_time.summer_time" is set to 2 (Automatic).
Permitted
Values
URL within 511 characters
Default
Blank
Time and Date Manually Configuration
You can set the time and date manually when the phones cannot obtain the time and date from the NTP time
server.
The following table lists the parameter you can use to configure time and date manually.
Parameter
local_time.manual_time_enable <y0000000000xx>.cfg
Description
It enables or disables the phone to obtain time and date from manual settings.

Yealink SIP-T53W Specifications

General

Mounting	Desk/Wall
Handset type	Wired handset
Product type	IP mobile phone
Product color	Gray
Keypad illumination	Yes
Wi-Fi standards	802.11a, 802.11g, Wi-Fi 4 (802.11n)
Bluetooth version	4.2
Security algorithms	AES, HTTPS, SIPS
Networking standards	IEEE 802.1p, IEEE 802.1x, IEEE 802.3af
Ethernet LAN interface type	Gigabit Ethernet
Supported network protocols	FTP/TFTP/HTTP/HTTPS
Dual-Tone Multi-Frequency (DTMF) modes	In-band, Out-of band, SIP info
USB 2.0 ports quantity	1
Ethernet LAN (RJ-45) ports	2
Lines quantity	8 lines
Phonebook capacity	1000 entries
Number of VoIP accounts	12
AC adapter input voltage	100 - 240 V
AC adapter output current	1.2 A
AC adapter output voltage	5 V
Power consumption (typical)	2.3 W
Volume control	Buttons
Number of programmable keys	8
Storage temperature (T-T)	-30 - 70 °C
Operating temperature (T-T)	0 - 40 °C
Operating relative humidity (H-H)	10 - 95 %
Display diagonal	3.7 \
Display resolution	360 x 160 pixels
Cables included	LAN (RJ-45)
Number of handles included	1 pc(s)
Number of DECT wireless handsets	4
Voice codecs	G.722, G.723.1, G.726, G.729A, G.729B, OPUS, iLBC

Weight and Dimensions

Depth	210.6 mm
Width	212 mm
Height	174.5 mm