Yealink SIP-T53W Administrator's Guide

Administrator’s Guide for SIP-T2 Series/T4 Series/T5 Series/CP920 IP Phones
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Description
It enables or disables the power LED indicator to flash when the phone receives an incoming call.
Permitted
Values
0-Disabled (power LED indicator does not flash)
1-Enabled (power LED indicator fast flashes (0.3s) red)
For T19(P) E2 phones:
0-Disabled (power LED indicator does not flash)
1-Enabled (power LED indicator fast flashes (0.3s) yellow)
Default
1
Supported
Devices
All phones except CP920
Web UI
Features > Power LED > Ringing Power Light Flash
Parameter
phone_setting.mail_power_led_flash_enable <y0000000000xx>.cfg
Description
It enables or disables the power LED indicator to flash when the phone receives a voice mail or a text
message.
Note: It works only if “account.X.display_mwi.enable” is set to 1 (Enabled).
Permitted
Values
0-Disabled (power LED indicator does not flash)
1-Enabled (power LED indicator slowly flashes (1s) red)
2-Enabled (if there are unread voice mails or text messages, the power LED indicator slowly flashes
(1s) red) even when the phone is busy, but value set by "phone_setting.talk_and_dial_power_led_
enable" has a higher priority.)
For T19(P) E2 phones:
0-Disabled (power LED indicator does not flash)
1-Enabled (power LED indicator slowly flashes (1s) yellow)
2-Enabled (if there are unread voice mails or text messages, the power LED indicator slowly flashes
(1s) yellow even when the phone is busy, but value set by "phone_setting.talk_and_dial_power_led_
enable" has a higher priority.)
Default
1
Supported
Devices
All phones except CP920
Web UI
Features > Power LED > Voice/Text Mail Power Light Flash
Parameter
phone_setting.mute_power_led_flash_enable <y0000000000xx>.cfg
Description
It enables or disables the power LED indicator to flash when a call is muted.
Permitted
Values
0-Disabled (power LED indicator does not flash)
1-Enabled (power LED indicator fast flashes (0.3s) red)
For T19(P) E2 phones:
0-Disabled (power LED indicator does not flash)
1-Enabled (power LED indicator fast flashes (0.3s) yellow)
Default
0
Supported
Devices
All phones except CP920

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