Yealink SIP-T53W Administrator's Guide

Administrator’s Guide for SIP-T2 Series/T4 Series/T5 Series/CP920 IP Phones
290
Supported
Devices
T57W, T54W, T48U, T48S, T46U, T46S
Parameter
phone_setting.icon.delete
[1]
<y0000000000xx>.cfg
Description
It deletes all custom icons.
Permitted
Values
http://localhost/all
Default
Blank
Supported
Devices
T57W, T54W, T48U, T48S, T46U, T46S
[1]
If you change this parameter, the phone will reboot to make the change take effect.
Warnings Display
When one of the following situations occurs:
l The default password is being used
l Account registration failed
l Provisioning credentials are wrong
l Network is unavailable
l Line on redundancy registration
On the T42S/T42U/T41S phones, a warning message appears on the idle screen.
On the other phones, a warning icon appears in the status bar.
Topic
Warnings Display Configuration
Warnings Display Configuration
The following table lists the parameter you can use to configure the warnings display.
Parameter
phone_setting.warnings_display.mode <y0000000000xx>.cfg
Description
It enables or disables the phone to display warnings.
Permitted
Values
0-Disabled
1-Enabled
Default
1
Supported
Devices
All phones except T48G, T46G, T42G, T41P and T29G
Out of Service
When the network of the phone is disconnected and the warning message appears on the screen, the phone will
play an alert tone.
Topic
Out of Service Configuration
Out of Service Configuration
The following table lists the parameter you can use to configure out of service.

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