Yealink SIP-T57W Administrator's Guide

Network Configurations
39
Web UI
Network > Advanced > VLAN > PC Port > Priority
Phone UI
Color Screen Phones:
Menu > Advanced (default password: admin) > Network > VLAN > PC Port > Priority
Black-and-white Screen Phones:
Menu > Settings > Advanced Settings (default password: admin) > Network > VLAN > PC Port > Pri-
ority
[1]
If you change this parameter, the phone will reboot to make the change take effect.
DHCP VLAN Configuration
When the VLAN discovery method is set to DHCP, the phone examines the DHCP option for a valid VLAN ID. You
can customize the DHCP option used to request the VLAN ID.
The following table lists the parameters you can use to configure DHCP VLAN discovery.
Parameter
static.network.vlan.dhcp_enable
[1]
<y0000000000xx>.cfg
Description
It enables or disables the DHCP VLAN discovery feature.
Permitted
Values
0-Disabled
1-Enabled
Default
1
Web UI
Network > Advanced > VLAN > DHCP VLAN > Active
Phone UI
Color Screen Phones:
Menu > Advanced (default password: admin) > Network > VLAN > DHCP VLAN > DHCP VLAN
Black-and-white Screen Phones:
Menu > Settings > Advanced Settings (default password: admin) > Network > VLAN > DHCP VLAN >
DHCP VLAN
Parameter
static.network.vlan.dhcp_option
[1]
<y0000000000xx>.cfg
Description
It configures the DHCP option from which the phone will obtain the VLAN settings.
Multiple DHCP options (at most five) are separated by commas.
Permitted
Values
Integer from 1 to 255
Default
132
Web UI
Network > Advanced > VLAN > DHCP VLAN > Option (1-255)
Phone UI
Color Screen Phones:
Menu > Advanced (default password: admin) > Network > VLAN > DHCP VLAN > Option
Black-and-white Screen Phones:
Menu > Settings > Advanced Settings (default password: admin) > Network > VLAN > DHCP VLAN >
Option
[1]
If you change this parameter, the phone will reboot to make the change take effect.
VLAN Change Configuration
The following table lists the parameter you can use to configure the VLAN change.
Parameter
static.network.vlan.vlan_change.enable
[1]
<y0000000000xx>.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