Yealink SIP-T40G Administrator's Guide

Administrator’s Guide for SIP-T2 Series/T4 Series/T5 Series/CP920 IP Phones
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Parameter
static.network.preference
[1]
<y0000000000xx>.cfg
Description
It specifies IPv4 or IPv6 as the preferred wired network in a Dual-Stack mode.
Note: It works only if “static.network.ip_address_mode” is set to 2 (IPv4 & IPv6).
Permitted
Values
0-IPv6
1-IPv4
Default
0
Web UI
Network > Basic > Internet Port > Preference(IPv4/IPv6)
Phone UI
Color Screen Phones:
Menu > Advanced (default password: admin) > Network > WAN Port > Preference
Black-and-white Screen Phones:
Menu > Settings > Advanced Settings (default password: admin) > Network > WAN Port > Preference
Parameter
account.X.sip_server_mode
[2]
<MAC>.cfg
Description
It specifies the preferred network in a Dual-Stack mode when a domain name is configured for a SIP
server.
Note: It works only if “static.network.ip_address_mode” is set to 2 (IPv4 & IPv6).
Permitted
Values
0-Specify IPv4 as the preferred network and A query will be performed preferentially.
1-Specify IPv6 as the preferred network and AAAA query will be performed preferentially.
2-The preferred network is configured by “static.network.preference”.
Default
0
[1]
If you change this parameter, the phone will reboot to make the change take effect.
[2]
X is the account ID. For T57W/T54W/T48U/T48S/T48G/T46U/T46S/T46G/T29G, X=1-16; for
T53W/T53/T43U/T42U/T42G/T42S, X=1-12; for T41P/T41S/T27G, X=1-6; for T40P/T40G/T23P/T23G, X=1-3; for T21
(P) E2, X=1-2; for T19(P) E2/CP920, X=1.
IPv4 Wired Network Configuration
The following table lists the parameters you can use to configure IPv4 wired network.
Parameter
static.network.internet_port.type
[1]
<y0000000000xx>.cfg
Description
It configures the Internet port type for IPv4 wired network.
Note: It works only if “static.network.ip_address_mode” is set to 0 (IPv4) or 2 (IPv4 & IPv6).
Permitted
Values
0-DHCP
2-Static IP
Default
0
Web UI
T57W/T54W/T53W/T53/T48U/T46U/T43U/T42U:
Network > Basic > IPv4 Config > Configuration Type
Other Phones:
Network > Basic > IPv4 Config
Phone UI
Color Screen Phones:
Menu > Advanced (default password: admin) > Network > WAN Port > IPv4
Black-and-white Screen Phones:

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