Yealink SIP-T57W Administrator's Guide

Phone Provisioning
94
Black-and-white Screen Phones:
Menu > Settings > Advanced Settings (default password: admin) > Auto Provision > DHCP Active
Parameter
static.auto_provision.dhcp_option.list_user_
options
<y0000000000xx>.cfg
Description
It configures the IPv4 custom DHCP option for requesting provisioning server address.
Multiple options are separated by commas.
Note: It works only if “static.auto_provision.dhcp_option.enable” is set to 1 (On).
Permitted
Values
Integer from 128 to 254
Default
Blank
Web UI
Settings > Auto Provision > IPv4 Custom Option
Phone UI
Color Screen Phones:
Menu > Advanced (default password: admin) > Auto Provision > IPv4 Custom Option
Black-and-white Screen Phones:
Menu > Settings > Advanced Settings (default password: admin) > Auto Provision > IPv4 Custom
Option
Parameter
static.auto_provision.dhcp_option.list_user6_
options
<y0000000000xx>.cfg
Description
It configures the IPv6 custom DHCP option for requesting provisioning server address.
Multiple options are separated by commas.
Note: It works only if “static.auto_provision.dhcp_option.enable” is set to 1 (On).
Permitted
Values
Integer from 135 to 65535, except 143
Default
Blank
Web UI
Settings > Auto Provision > IPv6 Custom Option
Phone UI
Color Screen Phones:
Menu > Advanced (default password: admin) > Auto Provision > IPv6 Custom Option
Black-and-white Screen Phones:
Menu > Settings > Advanced Settings (default password: admin) > Auto Provision > IPv6 Custom
Option
Parameter
static.auto_provision.url_wildcard.pn <y0000000000xx>.cfg
Description
It configures the characters to replace the wildcard $PN in the received URL of the provisioning
server.
Note: The configured characters must be in accordance with the actual directory name of the pro-
visioning server.
Permitted
Values
String within 32 characters
Default
For T57W phones: T57W.
For T54W phones: T54W.
For T53W phones: T53W.
For T53 phones: T53.
For T48U phones: T48U.

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