Yealink SIP-T53W Getting Started

Recovery Mode on Yealink IP phones
7
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.
3. Enter the desired values in the IP Address, Netmask, IP Gateway and HTTP Server fields
respectively.
Note
4. Press to complete the recovery mode.
The IP phone will download and upgrade the firmware from the HTTP server. After upgrading, the IP
phone will initialize successfully and get ready for use.
The LCD screen prompts “Initializing…Please Wait” when upgrading successfully.
Note
5. If the IP phone fails to upgrade, the LCD screen will indicate the failure. The user can repeat the
recovery mode procedures to try again.
For CP920 IP phones, you need to press the volume key ( or ) as the left or right
navigation key.
For SIP-T58A IP phones, you need to press / / as up/down/left/right
navigation key.
You need to press (for SIP-T58A phones), (for SIP-T3 IP phones) to complete the
recovery mode since there is no key.
…. Initializing ….
Please Wait
Welcome
IP Address:
Netmask:
IP Gateway:
HTTP Server:
10. 2. 11.124
255.255.255. 0
10. 2. 11.254
http://10.2.11.10
1

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