Yealink SIP-T57W Administrator's Guide

Advanced Features
484
Values 1-Enabled
Default
0
Parameter
account.X.sub_fail_retry_interval
[1]
<MAC>.cfg
Description
It configures the interval (in seconds) for the phone to retry to re-subscribe when subscription fails.
Permitted
Values
Integer from 0 to 3600
Default
30
Parameter
account.X.subscribe_mwi_to_vm
[1]
<MAC>.cfg
Description
It enables or disables the phone to subscribe to the message waiting indicator for the voice mail num-
ber.
Note: It works only if “account.X.subscribe_mwi” is set to 1 (Enabled) and “voice_mail.number.X” is
configured.
Permitted
Values
0-Disabled, the phone will subscribe to the message waiting indicator to a specific account.
1-Enabled
Default
0
Web UI
Account > Advanced > Subscribe MWI to Voice Mail
Parameter
voice_mail.number.X
[1]
<MAC>.cfg
Description
It configures the voice mail number.
Permitted
Values
String within 99 characters
Default
Blank
Web UI
Account > Advanced > Voice Mail
Phone UI
Menu > Message > Voice Mail > Set Voice Mail Code
Parameter
account.X.display_mwi.enable
[1]
<MAC>.cfg
Description
It enables or disables the MWI alert to indicate that you have an unread voice mail message.
Permitted
Values
0-Disabled
1-Enabled
Default
1
Web UI
Account > Advanced > Voice Mail Display
Parameter
features.voice_mail_alert.enable <y0000000000xx>.cfg
Description
It enables or disables the phone to pop up the message when receiving the same amount of new
voicemails.
Permitted
Values
0-Disabled
1-Enabled
Default
0
Parameter
features.voice_mail_key_lamp_field.enable <y0000000000xx>.cfg
Description
It enables or disables the phone to subscribe to the message waiting indicator for the voice mail num-
ber when configuring a Voice Mail dsskey.

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