D-Link DVG-5402G User Manual page 250

DVG-5402G/GF Wireless AC1200 MU-MIMO Dual Band
Gigabit Router with Fiber WAN Port, 3G/LTE Support, 2 FXS
Ports, and USB Port
User Manual
On the opened page, you can specify the following parameters:
Parameter
CNG
VAD
Enable echo
cancellation
Echo duration
iLBC mode
Speaker
Microphone
Audio Settings
Comfort Noise Generation.
Move the switch to the right to enable the function.
Voice Activity Detection.
Move the switch to the right to enable the function.
Echo cancellation
Move the switch to the right to enable the echo cancellation
function.
Specify the maximum echo duration (in milliseconds).
Advanced Codecs Settings
Internet Low Bitrate Codec.
The value of the field specifies the operation mode of the codec.
Select the needed value from the drop-down list.
• 20ms: The speech signal transfer rate is 15.20Kbps for 20ms
frames.
• 30ms: The speech signal transfer rate is 13.33Kbps for 30ms
frames.
Volume Settings
Specify the earphone volume for the phone connected to this SIP
line.
Specify the microphone sensitivity for the phone connected to this
SIP line.
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Configuring via Web-based Interface
Description