Yealink SIP-T41S 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-T41S Specifications

General

Mounting	Desk/Wall
Handset type	Wired handset
Product type	IP Phone
Product color	Black
Keypad illumination	Yes
Wi-Fi	No
Networking standards	IEEE 802.3af
Ethernet LAN data rates	10, 100 Mbit/s
Ethernet LAN interface type	Fast Ethernet
Supported network protocols	SIP v1, SIP v2, LLDP/CDP/DHCP, OpenVPN, IEEE802.1X, IPv6, FTP/TFTP/HTTP/HTTPS
Volume control	Digital
Number of programmable keys	6
Lines quantity	6 lines
Phonebook capacity	1000 entries
Dual-Tone Multi-Frequency (DTMF) modes	In-band, Out-of band, SIP info
Input frequency	50/60 Hz
AC adapter input voltage	100 - 240 V
AC adapter output current	1.2 A
AC adapter output voltage	5 V
Display diagonal	2.7 \
Display resolution	192 x 64 pixels
Operating temperature (T-T)	-10 - 50 °C
Operating relative humidity (H-H)	10 - 95 %
Voice codecs	CNG, G.711Mu, G.711a, G.723.1, G.726, G.729ab, VAD, iLBC
Certification	CE
Cables included	LAN (RJ-45)
Number of handles included	1 pc(s)
Harmonized System (HS) code	85171800

Weight and Dimensions

Depth	189 mm
Width	212 mm
Height	175 mm
Package depth	223 mm
Package width	246 mm
Package height	120 mm