Yealink SIP-T53W Recovery Guide

Recovery Mode on Yealink IP phones
7
2. Press 1 to run the backup system.
Note
Using Recovery Mode on Yealink IP Phones
(HTTP Server)
This section introduces how to perform recovery mode using the HTTP server on Yealink IP phones step
by step.
For SIP Phone Series
This section is only applicable to SIP phone series including SIP-T27G, SIP-T30, SIP-T30P, SIP-T31,
SIP-T31P, SIP-T31G, SIP-T33P, SIP-T33G, SIP-T41S, SIP-T42S, SIP-T46S, SIP-T48S, SIP-T58A,
CP960, and CP920.
This feature can only be supported on new factory phones running firmware version 86 or later.
Procedures
1. Long press (Speakerphone key) and reconnect the power adapter to trigger the recovery
mode. Do not release until the recovery mode wizard appears on the phone LCD screen.
2. Press 1 to use the HTTP server.
For CP965/CP925 IP phones, you need to power on the device and long tap the Home touch
key when the Mute LED indicator glows red to trigger the recovery mode.

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