Yealink SIP-T53W Administrator's Guide

Security Features
106
Default
0
Web UI
Features > Phone Lock > Phone Lock Enable
Phone UI
Color Screen Phones:
Menu > Basic > Phone Lock > Lock Enable
Black-and-white Screen Phones:
Menu > Settings > Basic Settings > Phone Lock > Lock Enable
Parameter
phone_setting.phone_lock.lock_key_type <y0000000000xx>.cfg
Description
It configures the type of phone lock.
Note: It works only if “phone_setting.phone_lock.enable” is set to 1 (Enabled).
Permitted
Values
0-All Keys
1-Function Keys
2-Menu Key
Default
0
Supported
Devices
All phones except T57W, T48U, T48S and T48G
Web UI
Features > Phone Lock > Phone Lock Type
Phone UI
Color Screen Phones:
Menu > Basic > Phone Lock > Lock Type
Black-and-white Screen Phones:
Menu > Settings > Basic Settings > Phone Lock > Lock Type
Parameter
phone_setting.phone_lock.unlock_pin <y0000000000xx>.cfg
Description
It configures the password for unlocking the phone.
Permitted
Values
Characters within 15 digits
Default
123
Web UI
Features > Phone Lock > Phone Unlock PIN (0~15 Digit)
Phone UI
Color Screen Phones:
Menu > Basic > Change PIN
Black-and-white Screen Phones:
Menu > Settings > Basic Settings > Change PIN
Parameter
phone_setting.phone_lock.lock_time_out <y0000000000xx>.cfg
Description
It configures the idle time (in seconds) before the phone is automatically locked.
The default value is 0 (the phone is locked only by long pressing the pound key or pressing the phone
lock DSS key).
Note: It works only if “phone_setting.phone_lock.enable” is set to 1 (Enabled).
Permitted
Values
Integer from 0 to 3600
Default
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