Yealink SIP-T57W Administrator's Guide

Advanced Features
428
Description
It configures the call park mode.
Permitted
Values
1-FAC, park a call through dialing the call park code.
2-Transfer, blind transfer the call to a shared parking lot.
Default
2
Web UI
Features > Pick up & Park > Call Park Mode
Parameter
features.call_park.enable <y0000000000xx>.cfg
Description
It enables or disables the call park feature.
Permitted
Values
0-Disabled
1-Enabled
Default
0
Web UI
Features > Pick up & Park > Call Park
Parameter
features.call_park.park_code <y0000000000xx>.cfg
Description
It configures the call park code for FAC call park mode or configures shared parking lot for Transfer
call park mode.
Permitted
Values
String within 256 characters
Default
Blank
Web UI
Features > Pick up & Park > Call Park Code
Parameter
features.call_park.park_retrieve_code <y0000000000xx>.cfg
Description
It configures the park retrieve code for FAC call park mode or configures retrieve parking lot for Trans-
fer call park mode.
Permitted
Values
String within 256 characters
Default
Blank
Web UI
Features > Pick up & Park > Park Retrieve Code
Parameter
features.call_park.direct_send.enable <y0000000000xx>.cfg
Description
It enables or disables the phone to dial out the call park code/park retrieve code directly when press-
ing the Park/Retrieve soft key.
Note: It works only if “features.call_park.park_mode” is set to 1 (FAC) and you have configured the
call park code/park retrieve code.
Permitted
Values
0-Disabled, the phone will enter the dialing screen when pressing the Park/Retrieve soft key. The
user can dial the specific extension manually or press the BLF/BLF List or Speed Dial key to park the
call to the specific extension or retrieve the call parked from the specific extension.
1-Enabled
Default
1
Supported
Devices
All phones except CP920
Parameter
features.call_park.line_restriction.enable <y0000000000xx>.cfg
Description
It enables or disables the phone to park a call using the specific line of the Call Park key.
Note: It works only if “features.call_park.park_mode” is set to 2 (Transfer).

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