Yealink SIP-T57W Administrator's Guide

Account Settings
316
The following table lists the parameters you can use to configure the default account.
Parameter
static.features.default_account <y0000000000xx>.cfg
Description
It configures the default account.
1-Account 1
2-Account 2
3-Account 3
…
16-Account 16
100-PSTN 1
101-PSTN 2
For T57W/T54W/T48U/T48S/T48G/T46U/T46S/T46G/T29G, accounts 1-16.
For T53W/T53/T43U/T42U/T42S/T42G, accounts 1-12.
For T41P/T41S/T27G, accounts 1-6.
For T40P/T40G/T23P/T23G, accounts 1-3.
For T21(P) E2, accounts 1-2.
For CP920: account 1, PSTN 1 and PSTN 2.
Permitted
Values
Integer from 1 to 16, 100, 101
Default
1
Supported
Devices
All phones except T19(P) E2
Parameter
features.show_default_account <y0000000000xx>.cfg
Description
It enables or disables the phone to display the label of the default account in the left of the status bar
on the idle screen.
Note: For T43U/T42G/T42S/T42U/T41P/T41S/T27G phones, the label of the default account is dis-
played in the middle bottom of the idle screen. It works only if “features.station_name.value” is left
blank.
Permitted
Values
0-Disabled
1-Enabled
Default
1
Parameter
features.linekey_call_with_default_account <y0000000000xx>.cfg
Description
It enables or disables the phone to switch the default account when pressing the line key to dial.
For example, the account on line 2 is not the default account, if this feature is enabled, when pressing
the line key 2 to dial, the default account will switch to the account on line 2.
Permitted
Values
0-Disabled
1-Enabled
Default
0
Supported
Devices
All phones except T19(P) E2 and CP920

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