Yealink SIP-T57W Administrator's Guide

Configuration Parameters
521
Broadsoft Visual Voice Mail
Parameter
bw.voice_mail.visual.enable <y0000000000xx>.cfg
Description
It enables or disables the visual voice mail feature for the phone.
Note: It works only if “bw.xsi.enable" is set to 1 (Enabled).
Permitted
Values
0-Disabled
1-Enabled
Default
0
Parameter
bw.voice_mail.visual.display_videomail.enable <y0000000000xx>.cfg
Description
It enables or disables the phone to display the video mails in the voice mail list.
Note: It works only if "bw.xsi.enable" and "bw.voice_mail.visual.enable" are set to 1 (Enabled).
Permitted
Values
0-Disabled
1-Enabled
Default
0
Parameter
voice_mail.message_key.mode <y0000000000xx>.cfg
Description
It configures the phone behavior when pressing the MESSAGE key when the phone is idle.
Permitted
Values
0-enter the Set Voice Mail Code screen if the voice mail access code has not been configured; dial
out the voice mail access code if the voice mail access code has been configured.
1-enter the View Voice Mail screen
Default
0
Broadsoft SCA
Parameter
account.X.share_line.barge_in.enable
[1]
<MAC>.cfg
Description
It enables or disables the users to interrupt/barge into an active call on the shared line.
Permitted
Values
0-Disabled
1-Enabled
Default
1
Supported
Devices
All phones except T19(P) E2 and CP920
Parameter
account.X.shared_line_one_touch_bargein.en-
able
[1]
<MAC>.cfg
Description
It enables or disables the phone to barge in the call between remote shared line party and the third
party by pressing the line key.
Permitted
Values
0-Disabled
1-Enabled
Default
0
Supported
Devices
All phones except T19(P) E2 and CP920
Parameter
account.X.shared_line_one_touch_retrieve.en-
able
[1]
<MAC>.cfg
Description
It enables or disables the phone to retrieve the public held call on remote shared line party phone by
pressing the line key.
Permitted
0-Disabled

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