Yealink SIP-T40G Administrator's Guide

Network Configurations
45
Wireless Network IP Addressing Mode Configuration
The following table lists the parameters you can use to configure IP addressing mode for the wireless network.
Parameter
static.network.wifi.ip_address_mode
[1]
<y0000000000xx>.cfg
Description
It configures the IP addressing mode for the wireless network.
Permitted
Values
0-IPv4
1-IPv6
2-IPv4 & IPv6
Default
0
Supported
Devices
T57W, T54W, T53W, T53, T48U, T48S, T46U, T46S, T43U, T42U, T42S, T41S, T27G, CP920
Web UI
Network > Wi-Fi > Internet Port > Mode (IPv4/IPv6)
Phone UI
Color Screen Phones:
Menu > Advanced (default password: admin) > Network > Wi-Fi Port > IP Mode
Black-and-white Screen Phones:
Menu > Settings > Advanced Settings (default password: admin) > Network > Wi-Fi Port > IP Mode
Parameter
static.network.wifi.preference
[1]
<y0000000000xx>.cfg
Description
It specifies IPv4 or IPv6 as the preferred wireless network in a Dual-Stack mode.
Note: It works only if “static.network.wifi.ip_address_mode” is set to 2 (IPv4 & IPv6).
Permitted
Values
0-IPv6
1-IPv4
Default
0
Supported
Devices
T57W, T54W, T53W, T53, T48U, T48S, T46U, T46S, T43U, T42U, T42S, T41S, T27G, CP920
Web UI
Network > Wi-Fi > Internet Port > Preference(IPv4/IPv6)
Phone UI
Color Screen Phones:
Menu > Advanced (default password: admin) > Network > Wi-Fi Port > Preference
Black-and-white Screen Phones:
Menu > Settings > Advanced Settings (default password: admin) > Network > Wi-Fi Port > Preference
[1]
If you change this parameter, the phone will reboot to make the change take effect.
IPv4 Wireless Network Configuration
The following table lists the parameters you can use to configure IPv4 wireless network.
Parameter
static.network.wifi.internet_port.type
[1]
<y0000000000xx>.cfg
Description
It configures the Internet port type for IPv4 wireless network.
Note: It works only if “static.network.wifi.ip_address_mode” is set to 0 (IPv4) or 2 (IPv4 & IPv6).
Permitted
Values
0-DHCP
2-Static IP

Yealink SIP-T40G Specifications

General

Mounting	Desk/Wall
Handset type	Wired handset
Product type	IP Phone
Product color	Black
Wall mountable	Yes
Wi-Fi	No
Security algorithms	AES, HTTPS, SSL/TLS
Networking standards	IEEE 802.3af
Ethernet LAN interface type	Gigabit Ethernet
Supported network protocols	FTP, TFTP, HTTP, HTTPS
Voice codecs	G.711, G.711a, G.711u, G.722, G.726, G.729ab
RJ-11 ports quantity	1
Ethernet LAN (RJ-45) ports	2
AC adapter input voltage	100 - 240 V
AC adapter output current	0.6 A
AC adapter output voltage	5 V
Power consumption (typical)	1.6 W
Certification	CE, FCC, ISO 9001
Operating temperature (T-T)	-10 - 50 °C
Operating relative humidity (H-H)	10 - 90 %
Volume control	Digital
Display diagonal	2.3 \
Display resolution	132 x 64 pixels
Lines quantity	3 lines
Phonebook capacity	1000 entries
Number of VoIP accounts	3
Number of handles included	1 pc(s)

Weight and Dimensions

Depth	175 mm
Width	212 mm
Height	54 mm