Yealink SIP-T53W Administrator's Guide

Administrator’s Guide for SIP-T2 Series/T4 Series/T5 Series/CP920 IP Phones
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defaults) takes effect only if the value of this parameter is set to 1 (Enabled). If “overwrite_mode” is set
to 1 in the boot file, the value of this parameter will be set to 1 (Enabled).
Permitted
Values
0-Disabled
1-Enabled, <MAC>-local.cfg file generates and personalized non-static settings configured via the
web or phone user interface will be kept after auto provisioning.
Default
0
Parameter
static.auto_provision.custom.sync <y0000000000xx>.cfg
Description
It enables or disables the phone to upload the <MAC>-local.cfg file to the server each time the file
updates, and to download the <MAC>-local.cfg file from the server during auto provisioning.
Note: It works only if “static.auto_provision.custom.protect” is set to 1 (Enabled). The upload/download
path is configured by the parameter “static.auto_provision.custom.sync.path”.
Permitted
Values
0-Disabled
1-Enabled
Default
0
Parameter
static.auto_provision.custom.sync.path <y0000000000xx>.cfg
Description
It configures the URL for uploading/downloading the <MAC>-local.cfg file.
If it is left blank, the phone will try to upload/download the <MAC>-local.cfg file to/from the provisioning
server.
Note: It works only if “static.auto_provision.custom.sync" is set to 1 (Enabled).
Permitted
Values
URL
Default
Blank
Parameter
static.auto_provision.custom.upload_method <y0000000000xx>.cfg
Description
It configures the way the phone uploads the <MAC>-local.cfg file, <MAC>-calllog.xml file or <MAC>-
contact.xml file to the provisioning server (for HTTP/HTTPS server only).
Permitted
Values
0-PUT
1-POST
Default
0
Auto Provisioning Flowchart for Keep User’s Personalized Configuration
Settings
The following shows an auto provisioning flowchart for Yealink phones when a user wishes to keep the user’s per-
sonalized configuration settings.

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