Yealink SIP-T40G Administrator's Guide

Administrator’s Guide for SIP-T2 Series/T4 Series/T5 Series/CP920 IP Phones
40
Description
It enables or disables the phone to obtain VLAN ID using lower preference of VLAN assignment
method, or to close the VLAN feature when the phone cannot obtain VLAN ID.
The priority of each method is LLDP/CDP > Manual > DHCP VLAN.
Permitted
Values
0-Disabled
1-Enabled, the phone attempts to use the lower priority method when failing to obtain the VLAN ID
using higher priority method. If all the methods are attempted, the phone will disable VLAN feature.
Default
0
[1]
If you change this parameter, the phone will reboot to make the change take effect.
Wi-Fi
Wi-Fi feature enables you to connect the phones to the organization’s wireless network. Wi-Fi feature is only applic-
able to T57W/T54W/T53W/T53/T48U/T48S/T48G/T46U/T46S/T46G/T43U/T42U/T42S/T41S/T29G/T27G/CP920
phones.
You can configure the phones to operate in IPv4, IPv6, or dual-stack (IPv4/IPv6) mode, and configure IPv4 or IPv6
wireless network settings manually.
Note: To use Wi-Fi feature on T53/T48U/T48S/T48G/T46U/T46S/T46G/T43U/T42U/T42S/T41S/T29G/T27G phones, make
sure the Wi-Fi USB dongle is properly connected to the USB port on the back of the phone.
Topics
Wi-Fi Configuration
Wireless Network IP Addressing Mode Configuration
IPv4 Wireless Network Configuration
IPv6 Wireless Network Configuration
Wireless Access Point Configuration
Wi-Fi Configuration
The following table lists the parameters you can use to configure Wi-Fi.
Parameter
static.wifi.function.enable
[1]
<y0000000000xx>.cfg
Description
It enables or disables the Wi-Fi feature.
Permitted
Values
0-Disabled
1-Enabled
Default
1
Supported
Devices
T57W, T54W, T53W, T53, T48U, T48S, T48G, T46U, T46S, T46G, T43U, T42U, T42S, T41S, T29G,
T27G, CP920
Parameter
static.network.redundancy.mode
[1]
<y0000000000xx>.cfg
Description
It configures the network connection mode to be used preferentially.
Permitted
Values
0-If Wi-Fi mode is activated, the wired network is unavailable; Wi-Fi mode must be deactivated if you
want to use the wired network.
1-Use wireless network preferentially.
2-Use wired network preferentially.
Default
2
Supported
Devices
T57W, T54W, T53W, T53, T48U, T48S, T48G, T46U, T46S, T46G, T43U, T42U, T42S, T41S, T29G,
T27G, CP920

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