Yealink SIP-T46G Administrator's Guide

Administrator’s Guide for SIP-T46G IP Phone
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3. Enter the desired value in the SIP QoS (0~63) field.
4. Click Confirm to accept the change.
A dialog box pops up to prompt that the settings will take effect after reboot.
5. Click OK to reboot the IP phone.
Network Address Translation (NAT) is essentially a translation table that maps public IP
address and port combinations to private IP address and port combinations. This
reduces the need for a large amount of public IP addresses. The NAT feature ensures
security since each outgoing or incoming request must go through a translation process.
But in the VoIP environment, NAT breaks end-to-end connectivity.
NAT Traversal
NAT traversal is a general term for techniques that establish and maintain IP
connections traversing NAT gateways. It is typically required for client-to-client
networking applications, especially for VoIP deployments. STUN is one of the NAT
traversal techniques supported by IP phones.
STUN (Simple Traversal of UDP over NATs)
STUN is a network protocol, which is used in NAT traversal for applications of real-time
voice, video, messaging, and other interactive IP communications. The STUN protocol
allows applications to operate behind a NAT to discover the presence of the network
address translator, and obtain the mapped (public) IP address and port number that
the NAT has allocated for the UDP connections to remote parties. The protocol requires

Yealink SIP-T46G Specifications

General

Backlight	Yes
Power requirements	100-240V, DC 5V
Touchscreen	-
Display diagonal	4.3 \
Display resolution	480 x 272 pixels
Lines quantity	- lines
Phonebook capacity	1000 entries
Number of VoIP accounts	6
Voice codecs	G.711, G.722, G.723, G.726, G.729A, G.729B
Bluetooth	No
RJ-9 ports quantity	2
USB 2.0 ports quantity	USB 2.0 ports have a data transmission speed of 480 Mbps, and are backwards compatible with USB 1.1 ports. You can connect all kinds of peripheral devices to them.
Ethernet LAN (RJ-45) ports	1
Storage temperature (T-T)	-10 - 50 °C
Operating relative humidity (H-H)	10 - 95 %
Handset type	Wired handset
Product type	IP Phone
Product color	Black
Number of handles included	1 pc(s)

Weight and Dimensions

Depth	185 mm
Width	244 mm
Height	213 mm