Setting Codec And Vad In The Dial Peer - AddPac VoiceFinder AP200 User Manual

VoiceFinder AP200 VoIP Residential Gateway (RGW) User's Guide Version 1.1
5.3.2.4.

Setting CODEC and VAD in the Dial Peer

To set the COder-DECoder(CODEC) and the Voice Activity Detection (VAD) in
the dial peer, how much bandwidth the voice session can have shall be
defined. Normally, the CODEC converts analog signals into digital bit streams
or vice versa. During this procedure, the CODEC defines the voice coder rate
for the dial peer.
caller/callee does not talk) from being sent.
5.3.2.4.1. Setting CODEC in the VoIP Dial Peer
To set the coder rate for the selected VoIP peer, use the following commands
in the global setup mode (start.)
Step
1 dial-peer voice
2 codec [g711alaw / g711ulaw
/g729 / g7231r63 /g7231r53]
Codec The default of "Codec" command is g7231r63. In normal cases, the
default value is the most suitable. However, to connect to a network that has
a high bandwidth or to get the highest voice quality, select g711alaw or
g711ulaw from "Codec" command. These values allows better voice quality
but requires more bandwidth for the voice session.
For example, to use a CODEC with G.711a-law Rate for the VoIP dial peer 108,
set the CODEC as follows:
dial-peer voice 108 VoIP
destination-pattern 14085551234
codec g711alaw
session target 10.0.0.8
Besides doing the above, users can create CODEC classes and store them in
AddPac Technology Co.,Ltd.
The VAD prohibits silent packets (created while the
Command
tag
VoIP
Description
Enters into the dial-peer setup mode to set the
VoIP peer.
Selects the
considering the coder rate.
CODEC for the voice
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