Yealink SIP-T57W Administrator's Guide

Phone Customization
237
Default
Blank
Parameter
features.custom_softkey_dynamic.enable <y0000000000xx>.cfg
Description
It enables or disables the phone to display the soft keys relevant to the features (call center, cent-
ralized call recording, and executive-assistant).
Note: It works only if “phone_setting.custom_softkey_enable” is set to 1 (Enabled).
Permitted
Values
0-Disabled
1-Enabled, the functional soft keys display on the phone screen if the corresponding feature is avail-
able.
Default
1
Parameter
custom_softkey_call_failed.url <y0000000000xx>.cfg
Description
It configures the access URL of the custom softkey layout file in the CallFailed state.
Note: It works only if “phone_setting.custom_softkey_enable” is set to 1 (Enabled).
Permitted
Values
URL within 511 characters
Default
Blank
Parameter
custom_softkey_call_in.url <y0000000000xx>.cfg
Description
It configures the access URL of the custom softkey layout file in the CallIn state.
Note: It works only if “phone_setting.custom_softkey_enable” is set to 1 (Enabled).
Permitted
Values
URL within 511 characters
Default
Blank
Parameter
custom_softkey_connecting.url <y0000000000xx>.cfg
Description
It configures the access URL of the custom softkey layout file in the Connecting state.
Note: It works only if “phone_setting.custom_softkey_enable” is set to 1 (Enabled).
Permitted
Values
URL within 511 characters
Default
Blank
Parameter
custom_softkey_dialing.url <y0000000000xx>.cfg
Description
It configures the access URL of the custom softkey layout file in the Dialing state.
Note: It works only if “phone_setting.custom_softkey_enable” is set to 1 (Enabled).
Permitted
Values
URL within 511 characters
Default
Blank
Supported
Devices
All phones except T57W, T48U, T48S and T48G
Parameter
custom_softkey_ring_back.url <y0000000000xx>.cfg
Description
It configures the access URL of the custom softkey layout file in the RingBack state.
Note: It works only if “phone_setting.custom_softkey_enable” is set to 1 (Enabled).
Permitted
Values
URL within 511 characters

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