Yealink SIP-T57W Administrator's Guide

Administrator’s Guide for SIP-T2 Series/T4 Series/T5 Series/CP920 IP Phones
297
Web UI
Account > Register > Label
Phone UI
Menu > Settings > Advanced Settings (default password: admin) > Accounts > Label
[1]
X is the PSTN account ID. X= 1 to 2.
Registration Settings Configuration
The following table lists the parameters you can use to change the registration settings.
Parameter
account.X.enable_user_equal_phone
[1]
<MAC>.cfg
Description
It enables or disables the phone to add “user=phone” to the SIP header of the INVITE message.
Permitted
Values
0-Disabled
1-Enabled
Default
0
Web UI
Account > Advanced > Send user=phone
Parameter
account.X.register_mac
[1]
<MAC>.cfg
Description
It enables or disables the phone to add MAC address to the SIP header of the REGISTER message.
Permitted
Values
0-Disabled
1-Enabled
Default
0
Web UI
Account > Advanced > SIP Send MAC
Parameter
account.X.register_line
[1]
<MAC>.cfg
Description
It enables or disables the phone to add a line number to the SIP header of the REGISTER message.
For T57W/T54W/T48U/T48S/T48G/T46U/T46S/T46G/T29G: 0~15 stand for line1~line16;
For T53W/T53/T43U/T42U/T42S/T42G: 0~11 stand for line1~line12;
For T41P/T41S/T27G: 0~5 stand for line1~line6;
For T40P/T40G/T23P/T23G: 0~2 stand for line1~line3;
For T21(P) E2: 0~1 stand for line1~line2;
For T19(P) E2/CP920: 0 stands for line1.
Permitted
Values
0-Disabled
1-Enabled
Default
0
Web UI
Account > Advanced > SIP Send Line
Parameter
account.X.contact_take_line_param
[1]
<MAC>.cfg
Description
It enables or disables the phone to carry the line parameter in the Contact header of the Register mes-
sage.
Permitted
Values
0-Disabled
1-Enabled
Default
0
Parameter
account.X.unregister_on_reboot
[1]
<MAC>.cfg

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