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Yealink SIP-T53W Administrator's Guide

Yealink SIP-T53W
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Administrator’s Guide for SIP-T2 Series/T4 Series/T5 Series/CP920 IP Phones
179
are using the phone handset or a headset.
Permitted
Values
Integer from 1 to 3
Default
2
Supported
Devices
T57W, T54W, T53W, T53, T48U, T46U, T43U, T42U
Smart Noise Filtering
The phones can block out the slight noise from the far party when there is no speech in a call, and at the same time
filter out the common transient noise (door closing, table knocking, and so on).
Topic
Smart Noise Filtering Configuration
Smart Noise Filtering Configuration
The following table lists the parameter you can use to configure smart noise filtering.
Parameter
features.noise_filtering_rev.enable <y0000000000xx>.cfg
Description
It enables or disables the phone to block out the slight noise from the far end when there is no speech
in a call.
Note: After smart noise filtering is enabled, if the far end is playing music or calling a voice service, the
background music will also be eliminated when there is no speech in a call.
Permitted
Values
0-Disabled
1-Enabled
Default
0
Supported
Devices
T57W, T54W, T53W, T53, T48U, T46U, T43U, T42U, CP920
Web UI
Settings > Voice > Smart Noise Filtering > Smart Noise Filtering
DTMF
DTMF (Dual Tone Multi-frequency) tone, better known as touch tone. DTMF is the signal sent from the IP phone to
the network, which is generated when pressing the IP phone’s keypad during a call. Each key pressed on the IP
phone generates one sinusoidal tone of two frequencies. One is generated from a high-frequency group and the
other from a low-frequency group.
Topics
DTMF Keypad
Transmitting DTMF Digit
Suppress DTMF Display
Transfer via DTMF
Local DTMF Tone
DTMF Keypad
The DTMF keypad is laid out in a 4×4 matrix, with each row representing a low frequency, and each column rep-
resenting a high frequency. Pressing a digit key (such as '1') will generate a sinusoidal tone for each of two fre-
quencies (697 and 1209 hertz (Hz)).
DTMF Keypad Frequencies:

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Yealink SIP-T53W Specifications

General IconGeneral
MountingDesk/Wall
Handset typeWired handset
Product typeIP mobile phone
Product colorGray
Keypad illuminationYes
Wi-Fi standards802.11a, 802.11g, Wi-Fi 4 (802.11n)
Bluetooth version4.2
Security algorithmsAES, HTTPS, SIPS
Networking standardsIEEE 802.1p, IEEE 802.1x, IEEE 802.3af
Ethernet LAN interface typeGigabit Ethernet
Supported network protocolsFTP/TFTP/HTTP/HTTPS
Dual-Tone Multi-Frequency (DTMF) modesIn-band, Out-of band, SIP info
USB 2.0 ports quantity1
Ethernet LAN (RJ-45) ports2
Lines quantity8 lines
Phonebook capacity1000 entries
Number of VoIP accounts12
AC adapter input voltage100 - 240 V
AC adapter output current1.2 A
AC adapter output voltage5 V
Power consumption (typical)2.3 W
Volume controlButtons
Number of programmable keys8
Storage temperature (T-T)-30 - 70 °C
Operating temperature (T-T)0 - 40 °C
Operating relative humidity (H-H)10 - 95 %
Display diagonal3.7 \
Display resolution360 x 160 pixels
Cables includedLAN (RJ-45)
Number of handles included1 pc(s)
Number of DECT wireless handsets4
Voice codecsG.722, G.723.1, G.726, G.729A, G.729B, OPUS, iLBC
Weight and Dimensions IconWeight and Dimensions
Depth210.6 mm
Width212 mm
Height174.5 mm

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