Yealink SIP-T57W Administrator's Guide

Network Configurations
41
Parameter
static.network.redundancy.failback.timeout
[1]
<y0000000000xx>.cfg
Description
It configures the time to wait (minutes) for the phone to switch to the preferentially used network.
Note: It works only if “static.network.redundancy.mode” is set to 1 or 2.
Permitted
Values
Integer from 0 to 1440
0-The phone will not switch as long as the current network is available.
1 to 1440–The phone will keep using the current network for the specified time after the preferentially
used network becomes available. If the preferentially used network is still available after the specified
time, the phone performs a network switch while the phone is not in use.
Default
55
Supported
Devices
T57W, T54W, T53W, T53, T48U, T48S, T48G, T46U, T46S, T46G, T43U, T42U, T42S, T41S, T29G,
T27G, CP920
Parameter
static.wifi.enable <y0000000000xx>.cfg
Description
It activates or deactivates the Wi-Fi mode.
Note: It works only if “static.wifi.function.enable” is set to 1 (Enabled).
Permitted
Values
0-Disabled
1-Enabled
Default
0
Supported
Devices
T57W, T54W, T53W, T53, T48U, T48S, T48G, T46U, T46S, T46G, T43U, T42U, T42S, T41S, T29G,
T27G, CP920
Web UI
Network > Wi-Fi > Wi-Fi Active
Phone UI
Color Screen Phones:
Menu > Basic > Wi-Fi > Wi-Fi
Black-and-white Screen Phones:
Menu > Settings > Basic Settings > Wi-Fi
Parameter
static.wifi.X.ssid
[2]
<y0000000000xx>.cfg
Description
It configures the SSID of a specific wireless network.
SSID is a unique identifier for accessing wireless access points.
Note: It works only if “static.wifi.enable” is set to 1 (Enabled).
Permitted
Values
ASCII code from 1 to 31 in length
Default
Blank
Supported
Devices
T57W, T54W, T53W, T53, T48U, T48S, T48G, T46U, T46S, T46G, T43U, T42U, T42S, T41S, T29G,
T27G, CP920
Web UI
Network > Wi-Fi > Add >SSID
Phone UI
Color Screen Phones:
Menu > Basic > Wi-Fi > Wi-Fi (On) > Known Network (press Add) > SSID
Menu > Basic > Wi-Fi > Wi-Fi (On) > Known Network > Option > Edit > SSID
Black-and-white Screen Phones:
Menu > Settings > Basic Settings > Wi-Fi (On) > Known Network (press Add) > SSID
Menu > Settings > Basic Settings > Wi-Fi > Wi-Fi (On) > Known Network > Option > Edit > SSID

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