Yealink SIP-T53W Administrator's Guide

Call Features
382
Ring1.wav, Ring2.wav, Ring3.wav, Ring4.wav, Ring5.wav, Ring6.wav, Ring7.wav, Ring8.wav,
Silent.wav, Splash.wav or custom ring tone name (for example, Customring.wav)
Default
0
Supported
Devices
All phones except T48G, T46G, T42G, T41P and T29G
Parameter
features.custom_auto_answer_tone.enable <y0000000000xx>.cfg
Description
It configures the type of auto answer tone.
Note: It works only if “features.auto_answer_tone.enable” is set to 1 (Enabled).
Permitted
Values
0-One beep
1-Double beep
Default
1
Parameter
features.mute.autoanswer_mute.enable <y0000000000xx>.cfg
Description
It enables or disables the auto answer mute feature.
Note: It works only if “account.X.auto_answer” and “features.allow_mute” are set to 1 (Enabled). It is
not available to the intercom call.
Permitted
Values
0-Disabled
1-Enabled, the phone will mute the microphone when an incoming call is automatically answered,
and then the other party cannot hear you.
Default
0
Parameter
pstn.account.X.auto_answer
[2]
<MAC>.cfg
Description
It enables or disables the auto answer feature for PSTN account X.
Note: The IP phone cannot automatically answer the incoming call during a call even if the auto
answer is enabled.
Permitted
Values
0-Disabled
1-Enabled, the phone can automatically answer an incoming call.
Default
0
Supported
Devices
CP920
Web UI
Account > Basic > Auto Answer
Phone UI
Menu > Features > Auto Answer > Status
Parameter
pstn.account.X.auto_answer_mute_enable
[2]
<MAC>.cfg
Description
It enables or disables the auto answer mute feature for PSTN account X.
Note: It works only if the values of parameters “pstn.account.X.auto_answer” and “features.allow_
mute” are set to 1 (Enabled).
Permitted
Values
0-Disabled
1-Enabled, the phone will mute the microphone when an incoming call is automatically answered,
and then the other party cannot hear you.
Default
0
Supported
Devices
CP920

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