Yealink SIP-T53W Administrator's Guide

Directory
337
should be less than 750K. For other phones, the size of a remote phone book file should be less than
1.5M.
Permitted
Values
URL within 511 characters
Default
Blank
Web UI
Directory > Remote Phone Book > Remote URL
Parameter
remote_phonebook.data.X.name
[1]
<y0000000000xx>.cfg
Description
It configures the display name of the remote phone book item.
Permitted
Values
String within 99 characters
Default
Blank
Web UI
Directory > Remote Phone Book > Display Name
Parameter
remote_phonebook.data.X.username
[1]
<y0000000000xx>.cfg
Description
It configures the user name used to access the remote phone book X.
Permitted
Values
String
Default
Blank
Parameter
remote_phonebook.data.X.password
[1]
<y0000000000xx>.cfg
Description
It configures the password used to access the remote phone book X.
Permitted
Values
String
Default
Blank
Parameter
remote_phonebook.display_name <y0000000000xx>.cfg
Description
It configures the display name of the remote phone book.
If it is left blank, "Remote Phone Book" will be the display name.
Permitted
Values
String within 99 characters
Default
Blank
Parameter
features.remote_phonebook.enable <y0000000000xx>.cfg
Description
It enables or disables the phone to perform a remote phone book search for an incoming or outgoing
call and display the matched results on the phone screen.
Permitted
Values
0-Disabled
1-Enabled
Default
0
Web UI
Directory > Remote Phone Book > Incoming/Outgoing Call Lookup
Parameter
features.remote_phonebook.flash_time <y0000000000xx>.cfg
Description
It configures how often to refresh the local cache of the remote phone book.
If it is set to 3600, the phone will refresh the local cache of the remote phone book every 3600
seconds (1 hour).

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