Yealink SIP-T40G Administrator's Guide

Network Configurations
55
Web UI
Network > NAT > STUN > Active
Phone UI
Color Screen Phones:
Menu > Advanced (default password: admin) > Network > NAT > NAT Status
Black-and-white Screen Phones:
Menu > Settings > Advanced Settings (default password: admin) > Network > NAT > NAT Status
Parameter
static.sip.nat_stun.server <y0000000000xx>.cfg
Description
It configures the IP address or domain name of the STUN server.
Note: It works only if “static.sip.nat_stun.enable” is set to 1 (Enabled).
Permitted
Values
String
Default
Blank
Web UI
Network > NAT > STUN > STUN Server
Phone UI
Color Screen Phones:
Menu > Advanced (default password: admin) > Network > NAT > STUN Server
Black-and-white Screen Phones:
Menu > Settings > Advanced Settings (default password: admin) > Network > NAT > STUN Server
Parameter
static.sip.nat_stun.port <y0000000000xx>.cfg
Description
It configures the port of the STUN server.
Note: It works only if “static.sip.nat_stun.enable” is set to 1 (Enabled).
Permitted
Values
Integer from 1024 to 65535
Default
3478
Web UI
Network > NAT > STUN > STUN Port (1024~65535)
Phone UI
Color Screen Phones:
Menu > Advanced (default password: admin) > Network > NAT > STUN Port
Black-and-white Screen Phones:
Menu > Settings > Advanced Settings (default password: admin) > Network > NAT > STUN Port
Parameter
static.ice.enable
[2]
<y0000000000xx>.cfg
Description
It enables or disables the ICE (Interactive Connectivity Establishment) feature.
Permitted
Values
0-Disabled
1-Enabled
Default
0
Web UI
Network > NAT > ICE > Active
Parameter
static.sip.nat_turn.enable
[2]
<y0000000000xx>.cfg
Description
It enables or disables the TURN (Traversal Using Relays around NAT) feature.
Permitted
Values
0-Disabled
1-Enabled

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