Specifications

VoiceFinder VoIP Gateway Configuration Guide (APOS 2.0) Release Version 3.1
AddPac Technology Co., LTD
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[h245-alphanumeric]
Determine DTMF transmission method
to the voip-peer.
The default value is
h245-alphanumeric
3.3.2.4. Configuring Codec and VAD from Dial Peer
The Codec change the analog signal to digital bit stream and reversly, change the digital bit
stream to analog signal. VAD (Voice Activity Detection) is processed when making digital bit
stream from analog signal. Using VAD, the bit stream is not generated during silent duration
and it save the bandwidth.
3.3.2.4.1. Configuring CODEC from VoIP Dial Peer
If you need to set a coder rate for the selected VoIP peer, please use the following commands in
the beginning of global configuration mode.
Step Command Usage
1 dial-peer voice tag voip
Move to dial-peer configuration mode to configure
VoIP peer
2
codec [g711alaw / g711ulaw
/g729 / g7231r63 /g7231r53]
Select a codec with consideration of coder rate to be
used for voice
The default value of codec command is g7231r63 and the default value is the most
appropriate value.
However, when you face a circumstance that you are to connect to the network with high
bandwidth and consider voice quality as top priority, please select g711alaw or g711ulaw in
codec commands.
For instance, if you intend to use G.711a-law Rate of codec for VoIP Dial Peer 108, please
configure the settings as to follow:
dial-peer voice 108 voip
destination-pattern 14085551234
codec g711alaw
session target 10.0.0.8
In addition, there is another way to create codec class and specify it to VoIP peer. The ways