Yealink SIP-T53W Administrator's Guide

Administrator’s Guide for SIP-T2 Series/T4 Series/T5 Series/CP920 IP Phones
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DST Configuration
The following table lists the parameters you can use to configure DST.
Parameter
local_time.summer_time <y0000000000xx>.cfg
Description
It configures the Daylight Saving Time (DST) feature.
Permitted
Values
0-Disabled
1-Enabled
2-Automatic
Default
2
Web UI
Settings > Time&Date > Daylight Saving Time
Phone UI
Color Screen Phones:
Menu > Basic > Time & Date > General > SNTP Settings > Daylight Saving
Black-and-white Screen Phones:
Menu > Settings > Basic Settings > Time&Date > SNTP Settings > Daylight Saving
Parameter
local_time.dst_time_type <y0000000000xx>.cfg
Description
It configures the Daylight Saving Time (DST) type.
Note: It works only if “local_time.summer_time” is set to 1 (Enabled).
Permitted
Values
0-DST by Date
1-DST by Week
Default
0
Web UI
Settings > Time&Date > Fixed Type
Parameter
local_time.start_time <y0000000000xx>.cfg
Description
It configures the start 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
1/1/0

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