Yealink SIP-T53W Administrator's Guide

Administrator’s Guide for SIP-T2 Series/T4 Series/T5 Series/CP920 IP Phones
295
Description
It enables or disables the phone to send requests to the outbound proxy server.
Permitted
Values
0-Disabled
1-Enabled
Default
0
Web UI
Account > Register > Enable Outbound Proxy Server
Phone UI
Color Screen Phones:
Menu > Advanced (default password: admin) > Accounts > Outbound Status
Black-and-white Screen Phones:
Menu > Settings > Advanced Settings (default password: admin) > Accounts > Outbound Status
Parameter
account.X.outbound_proxy.Y.address
[1][2]
<MAC>.cfg
Description
It configures the IP address or domain name of the outbound proxy server.
Note: It works only if “account.X.outbound_proxy_enable” is set to 1 (Enabled). To use an outbound
proxy server address, “account.X.sip_server.Y.outbound_proxy_enable” should be set to 1 (Enabled).
Permitted
Values
String within 256 characters
Default
Blank
Web UI
Account > Register > Outbound Proxy Server Y
Phone UI
Color Screen Phones:
Menu > Advanced (default password: admin) > Accounts > Account X > Outbound ProxyY
Black-and-white Screen Phones:
Menu > Settings > Advanced Settings (default password: admin) > Accounts > Outbound ProxyY
Parameter
account.X.outbound_proxy.Y.port
[1][2]
<MAC>.cfg
Description
It configures the port of the outbound proxy server.
Note: It works only if “account.X.outbound_proxy_enable” is set to 1 (Enabled).
Permitted
Values
Integer from 0 to 65535
Default
5060
Web UI
Account > Register > Outbound Proxy Server Y > Port
Parameter
account.X.reg_fail_retry_interval
[1]
<MAC>.cfg
Description
It configures the re-registration period (in seconds) after the account registration fails.
Note: It works only if "account.X.reg_failed_retry_min_time" and "account.X.reg_failed_retry_max_
time" are set to 0.
Permitted
Values
Integer from 0 to 1800
Default
30
Web UI
Account > Advanced > SIP Registration Retry Timer (0~1800s)
Parameter
account.X.reg_failed_retry_min_time
[1]
<MAC>.cfg
Description
It configures the base time to wait (in seconds) for the phone to retry to re-register after the account
registration fails.

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