Yealink SIP-T57W Administrator's Guide

Network Configurations
55
Web UI
Network > NAT > STUN > Active
Phone UI
Color Screen Phones:
Menu > Advanced (default password: admin) > Network > NAT > NAT Status
Black-and-white Screen Phones:
Menu > Settings > Advanced Settings (default password: admin) > Network > NAT > NAT Status
Parameter
static.sip.nat_stun.server <y0000000000xx>.cfg
Description
It configures the IP address or domain name of the STUN server.
Note: It works only if “static.sip.nat_stun.enable” is set to 1 (Enabled).
Permitted
Values
String
Default
Blank
Web UI
Network > NAT > STUN > STUN Server
Phone UI
Color Screen Phones:
Menu > Advanced (default password: admin) > Network > NAT > STUN Server
Black-and-white Screen Phones:
Menu > Settings > Advanced Settings (default password: admin) > Network > NAT > STUN Server
Parameter
static.sip.nat_stun.port <y0000000000xx>.cfg
Description
It configures the port of the STUN server.
Note: It works only if “static.sip.nat_stun.enable” is set to 1 (Enabled).
Permitted
Values
Integer from 1024 to 65535
Default
3478
Web UI
Network > NAT > STUN > STUN Port (1024~65535)
Phone UI
Color Screen Phones:
Menu > Advanced (default password: admin) > Network > NAT > STUN Port
Black-and-white Screen Phones:
Menu > Settings > Advanced Settings (default password: admin) > Network > NAT > STUN Port
Parameter
static.ice.enable
[2]
<y0000000000xx>.cfg
Description
It enables or disables the ICE (Interactive Connectivity Establishment) feature.
Permitted
Values
0-Disabled
1-Enabled
Default
0
Web UI
Network > NAT > ICE > Active
Parameter
static.sip.nat_turn.enable
[2]
<y0000000000xx>.cfg
Description
It enables or disables the TURN (Traversal Using Relays around NAT) feature.
Permitted
Values
0-Disabled
1-Enabled

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