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Yealink SIP-T46G Administrator's Guide

Yealink SIP-T46G
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Configuring Audio Features
189
Comfort Noise Generation (CNG) is used to generate background noise for voice
communications during periods of silence that occur during the conversation. It is part of
the silence suppression or VAD handling for VoIP technology. CNG, in conjunction with
VAD algorithms, quickly determines when periods of silence occur and inserts artificial
noise until voice activity resumes. The insertion of artificial noise gives the illusion of a
constant transmission stream, so that background sound is consistent throughout the
call and the listener does not think the line has released. The purpose of VAD and CNG
is to maintain an acceptable perceived QoS while simultaneously keeping transmission
costs and bandwidth usage as low as possible.
Procedure
CNG can be configured using the configuration files or locally.
Configuration File
<y000000000028>.cfg
Configure the CNG feature.
For more information, refer to
Comfort Noise Generation on
page 337.
Local
Web User Interface
Configure the CNG feature.
Navigate to:
http://<phoneIPAddress>/servl
et?p=settings-voice&q=load
To configure CNG via web user interface:
1. Click on Settings->Voice.
2. Select the desired value from the pull-down list of CNG.
3. Click Confirm to accept the change.

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Yealink SIP-T46G Specifications

General IconGeneral
BacklightYes
Power requirements100-240V, DC 5V
Touchscreen-
Display diagonal4.3 \
Display resolution480 x 272 pixels
Lines quantity- lines
Phonebook capacity1000 entries
Number of VoIP accounts6
Voice codecsG.711, G.722, G.723, G.726, G.729A, G.729B
BluetoothNo
RJ-9 ports quantity2
USB 2.0 ports quantityUSB 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) ports1
Storage temperature (T-T)-10 - 50 °C
Operating relative humidity (H-H)10 - 95 %
Handset typeWired handset
Product typeIP Phone
Product colorBlack
Number of handles included1 pc(s)
Weight and Dimensions IconWeight and Dimensions
Depth185 mm
Width244 mm
Height213 mm

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