D-Link DVG-5121SP User Manual page 53

VoIP Setting
G.729A: Operates on 10ms frames with short algorithm delays.
Compresses 8 kHz CODEC or linear audio data to 8 kbps.
iLBC: Internet Low Bit Rate Codec (iLBC) is a royalty free narrowband speech codec. Operates at 15.20
Kbps.
RTP: Real time Transport Protocol uses to handle voice data transfer.
RTP Timeout: default 25 seconds
RTP Packet lost Percentage: default 20 %
Voice Active Detector- Default disable
Line Echo Canceller Tail Length- G.168 is an ITU-T standard for eliminating the echo caused by the second by the
Automatic Gain Control Tx Level- Choose which gain transmission level user want to control: from 0 to 30. Default:
Automatic Gain Control Rx Level- Choose which gain transmission level user want to control: from 0 to 30
53
sound of your voice reverberating in the telephone receiver while calling.
Default: 24 msec
disable.
Default: disable.
DVG-5121SP User's Manual
D-Link Corporation