Yealink SIP-T57W Administrator's Guide

Administrator’s Guide for SIP-T2 Series/T4 Series/T5 Series/CP920 IP Phones
161
!250/200,0/1000, 200+300/500,200+500+800+1500/1000).
Note: It works only if “voice.tone.country” is set to Custom.
Permitted
Values
String
Default
Blank
Web UI
Settings > Tones > Dial
Parameter
features.partition_tone
[1]
<y0000000000xx>.cfg
Description
It enables or disables the phone to play the different dial tones when there is no active account.
Note: It works only if “voice.tone.dial” is configured.
Permitted
Values
0-Disabled
1-Enabled. If there is an active account, the phone will play the default dial tone. If there is no active
account, the phone will play the dial tone configured by “voice.tone.dial”.
Default
0
Parameter
voice.tone.secondary_dial <y0000000000xx>.cfg
Description
It customizes the secondary dial tone.
The value format is Freq/Duration. For more information on the value format, refer to the parameter
“voice.tone.dial”.
Note: It works only if “voice.tone.country” is set to Custom. If you want to disable this warning tone, set
it to 0.
Permitted
Values
String
Default
350+440/3000
Web UI
Settings > Tones > Secondary Dial
Parameter
voice.tone.ring <y0000000000xx>.cfg
Description
It customizes the ringback tone.
The value format is Freq/Duration. For more information on the value format, refer to the parameter
“voice.tone.dial”.
Note: It works only if “voice.tone.country” is set to Custom. If you want to disable this warning tone, set
it to 0.
Permitted
Values
String
Default
Blank
Web UI
Settings > Tones > Ring Back
Parameter
voice.tone.busy <y0000000000xx>.cfg
Description
It customizes the tone when the callee is busy.
The value format is Freq/Duration. For more information on the value format, refer to the parameter
“voice.tone.dial”.
Note: It works only if “voice.tone.country” is set to Custom. If you want to disable this warning tone, set
it to 0.
Permitted
Values
String

Yealink SIP-T57W Specifications

General

Mounting	Desk/Wall
Handset type	Wired handset
Product type	IP Phone
Product color	Gray
Ethernet LAN	Yes
Wi-Fi standards	802.11a, 802.11b, 802.11g, Wi-Fi 4 (802.11n), Wi-Fi 5 (802.11ac)
Security algorithms	AES, HTTPS, MD5, SRTP
Networking standards	IEEE 802.11a, IEEE 802.11ac, IEEE 802.11b, IEEE 802.11g, IEEE 802.11n, 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	- lines
Phonebook capacity	1000 entries
Number of VoIP accounts	16
AC adapter input voltage	100 - 240 V
AC adapter output current	2 A
AC adapter output voltage	5 V
Volume control	Buttons
Operating temperature (T-T)	0 - 40 °C
Operating relative humidity (H-H)	10 - 95 %
Display diagonal	7 \
Display resolution	800 x 480 pixels
Front camera	No
Cables included	LAN (RJ-45)
Number of handles included	1 pc(s)
Voice codecs	G.722, G.723.1, G.726, G.729A, G.729B, iLBC

Weight and Dimensions

Depth	220 mm
Width	259.4 mm
Height	211 mm