Yealink SIP-T57W Administrator's Guide

Administrator’s Guide for SIP-T2 Series/T4 Series/T5 Series/CP920 IP Phones
522
Values 1-Enabled
Default
1
Supported
Devices
All phones except T19(P) E2 and CP920
Parameter
features.auto_release_bla_line <y0000000000xx>.cfg
Description
It enables or disables the server to release the connection by sending a notify message to phone
when the SCA call is ended.
Permitted
Values
0-Disabled, the phone will send a notify message to the server to release the connection.
1-Enabled
Default
0
Supported
Devices
All phones except T19(P) E2 and CP920
Parameter
account.X.sca_manage_interface_display_time
[1]
<MAC>.cfg
Description
It configures how long (in seconds) the phone goes back to the idle screen when entering the Shared
Calls screen by long pressing the shared line key.
Permitted
Values
Integer from 0 to 2147483647
Default
10
Supported
Devices
All phones except T19(P) E2 and CP920
[1]
X is the account ID. For T57W/T54W/T48U/T48S/T48G/T46U/T46S/T46G/T29G, X=1-16; for
T53W/T53/T43U/T42U/T42G/T42S, X=1-12; for T41P/T41S/T27G, X=1-6; for T40P/T40G/T23P/T23G, X=1-3; for T21
(P) E2, X=1-2.
Broadsoft Call Park
Parameter
features.call_park.park_mode <y0000000000xx>.cfg
Description
It configures the call park mode.
Permitted
Values
0-XSI
1-FAC, park a call through dialing the call park code.
Default
0
Web UI
Features > Pick up & Park > Call Park Mode
Parameter
features.call_park.group_enable <y0000000000xx > .cfg
Description
It enables or disables the group call park feature.
Permitted
Values
0-Disabled
1-Enabled, users can select GPark during a call to park a call to the first available user in the call park
group, and select Retrieve in the dialing screen to retrieve the parked call.
Default
0
Web UI
Features > Pickup & Park > Group Call Park
Parameter
features.call_park.park_ring <y0000000000xx > .cfg
Description
It enables or disables the phone to play a warning tone when a call is parked against its line.
Note: It works only if “features.call_park.park_visual_notify_enable” is set to 1 (Enabled).

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