Yealink SIP-T53W Administrator's Guide

Administrator’s Guide for SIP-T2 Series/T4 Series/T5 Series/CP920 IP Phones
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LED Status
Description
Fast-flashing red (200ms) The monitored user receives an incoming call.
Solid red
The monitored user is dialing.
The monitored user is talking.
Off The monitored user does not exist.
State Monitor for Intercom Contact Configuration
The following table lists the parameters you can use to configure state monitor for intercom contact.
Parameter
features.intercom.led.enable <y0000000000xx>.cfg
Description
It enables or disables the phone to display different intercom DSS key LED status/icons when the
status of monitored user changes.
Note: It works only if “features.intercom.subscribe.enable” is set to 1 (Enabled).
Permitted
Values
0-Disabled
1-Enabled
Supported
Devices
All phones except T19(P) E2 and CP920
Default
0
Parameter
features.intercom.subscribe.enable <y0000000000xx>.cfg
Description
It enables or disables intercom subscription for the phones.
Permitted
Values
0-Disabled
1-Enabled
Default
0
Supported
Devices
All phones except T19(P) E2 and CP920
Outgoing Intercom Configuration
Yealink phones support two methods for initialing intercom calls.
The following table lists the parameters you can use to configure outgoing intercom.
Parameter
features.intercom.mode <y0000000000xx>.cfg
Description
It configures the intercom mode.
Permitted
Values
0-SIP
1-FAC, the feature access code is configured by “features.intercom.feature_access_code”.
Default
0
Parameter
features.intercom.feature_access_code <y0000000000xx>.cfg
Description
It configures the intercom feature access code.
Note: It works only if “features.intercom.mode” is set to 1 (FAC).
Permitted
Values
String
Default
Blank
Parameter
account.X.call_info
[1]
<MAC>.cfg

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