Yealink SIP-T53W Administrator's Guide

Administrator’s Guide for SIP-T2 Series/T4 Series/T5 Series/CP920 IP Phones
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Sending Volume Configuration
You can configure the sending volume of currently engaged audio devices (handset, speakerphone or headset)
when the phone is in use.
The following table lists the parameters you can use to configure the sending volume.
Parameter
voice.handfree_send
[1]
<y0000000000xx>.cfg
Description
It configures the sending volume of the speaker.
Note: We recommend that you modify this parameter cautiously. An unsuitable value may render the
voice quality bad.
Permitted
Values
Integer from -50 to 50
Default
0
Web UI
Features > Audio > Handfree Send Volume (-50~50)
Parameter
voice.handfree.autoreset_spk_vol <y0000000000xx>.cfg
Description
It configures the speaker's volume level during a call.
Permitted
Values
0-The speakerphone volume at the end of a call persists between calls.
1 to 15-The speakerphone volume does not persist between calls, and resets to this specified level
each new call.
Default
0
Parameter
voice.handset_send
[1]
<y0000000000xx>.cfg
Description
It configures the sending volume of the handset.
Note: We recommend that you modify this parameter cautiously. An unsuitable value may render the
voice quality bad.
Permitted
Values
Integer from -50 to 50
Default
0
Supported
Devices
All phones except CP920
Web UI
Features > Audio > Handset Send Volume (-50~50)
Parameter
voice.handset.autoreset_spk_vol <y0000000000xx>.cfg
Description
It configures the handset's volume level during a call.
Permitted
Values
0-The handset volume at the end of a call persists between calls.
1 to 15-The handset volume does not persist between calls, and resets to this specified level each
new call.
Default
0
Supported
Devices
All phones except CP920
Parameter
voice.headset_send
[1]
<y0000000000xx>.cfg
Description
It configures the sending volume of the headset.
Note: We recommend that you modify this parameter cautiously. An unsuitable value may render the
voice quality bad.

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