Yealink SIP-T53W Administrator's Guide

Administrator’s Guide for SIP-T2 Series/T4 Series/T5 Series/CP920 IP Phones
48
Description
It configures the primary IPv4 DNS server for the wireless network.
Note: It works only if “static.network.wifi.ip_address_mode” is set to 0 (IPv4) or 2 (IPv4 & IPv6). In
DHCP environment, you also need to make sure “static.network.wifi.static_dns_enable" is set to 1
(On).
Permitted
Values
IPv4 Address
Default
Blank
Supported
Devices
T57W, T54W, T53W, T53, T48U, T48S, T46U, T46S, T43U, T42U, T42S, T41S, T27G, CP920
Web UI
T57W/T54W/T53W/T53/T48U/T46U/T43U/T42U:
Network > Wi-Fi > IPv4 Config > Static DNS > Primary DNS
Other Phones:
Network > Wi-Fi > IPv4 Config > Static IP Address > Primary DNS
Phone UI
Color Screen Phones:
Menu > Advanced (default password: admin) > Network > Wi-Fi Port > IPv4 > Static IP > Pri.DNS
In DHCP environment:
Menu > Advanced (default password: admin) > Network > Wi-Fi Port > IPv4 > DHCP > Static DNS
(Enabled) > Pri.DNS
Black-and-white Screen Phones:
Menu > Settings > Advanced Settings (default password: admin) > Network > Wi-Fi Port > IPv4 >
Static IPv4 Client > Pri.DNS
In DHCP environment:
Menu > Settings > Advanced Settings (default password: admin) > Network > Wi-Fi Port > IPv4 >
DHCP IPv4 Client > Static DNS (Enabled) > Pri.DNS
Parameter
static.network.wifi.secondary_dns
[1]
<y0000000000xx>.cfg
Description
It configures the secondary IPv4 DNS server for the wireless network.
Note: It works only if “static.network.wifi.ip_address_mode” is set to 0 (IPv4) or 2 (IPv4 & IPv6). In
DHCP environment, you also need to make sure “static.network.wifi.static_dns_enable" is set to 1
(On).
Permitted
Values
IPv4 Address
Default
Blank
Supported
Devices
T57W, T54W, T53W, T53, T48U, T48S, T46U, T46S, T43U, T42U, T42S, T41S, T27G, CP920
Web UI
T57W/T54W/T53W/T53/T48U/T46U/T43U/T42U:
Network > Wi-Fi > IPv4 Config > Static DNS > Secondary DNS
Other Phones:
Network > Wi-Fi > IPv4 Config > Static IP Address > Secondary DNS
Phone UI
Color Screen Phones:
Menu > Advanced (default password: admin) > Network > Wi-Fi Port > IPv4 > Static IP > Sec.DNS
In DHCP environment:
Menu > Advanced (default password: admin) > Network > Wi-Fi Port > IPv4 > DHCP > Static DNS
(Enabled) > Sec.DNS

Yealink SIP-T53W Specifications

General

Mounting	Desk/Wall
Handset type	Wired handset
Product type	IP mobile phone
Product color	Gray
Keypad illumination	Yes
Wi-Fi standards	802.11a, 802.11g, Wi-Fi 4 (802.11n)
Bluetooth version	4.2
Security algorithms	AES, HTTPS, SIPS
Networking standards	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	8 lines
Phonebook capacity	1000 entries
Number of VoIP accounts	12
AC adapter input voltage	100 - 240 V
AC adapter output current	1.2 A
AC adapter output voltage	5 V
Power consumption (typical)	2.3 W
Volume control	Buttons
Number of programmable keys	8
Storage temperature (T-T)	-30 - 70 °C
Operating temperature (T-T)	0 - 40 °C
Operating relative humidity (H-H)	10 - 95 %
Display diagonal	3.7 \
Display resolution	360 x 160 pixels
Cables included	LAN (RJ-45)
Number of handles included	1 pc(s)
Number of DECT wireless handsets	4
Voice codecs	G.722, G.723.1, G.726, G.729A, G.729B, OPUS, iLBC

Weight and Dimensions

Depth	210.6 mm
Width	212 mm
Height	174.5 mm