MTG200 Trunk Gateway User Manual | Dinstar
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ID of each Codec group for voice ability, from 0 to 7.
The Codec group 0 is default setting which cannot be modified.
MTG200 supports three kinds of voice Codec: G711A, G711U,
G729, G723, iLBC 13k and iLBC 15k.
Each Codec has a unique payload type value (make reference to
RFC3551).
The minimum packetization time of voice Codec. For example,
if packetization time is 20ms, voice will be packetized every
30ms.
Transmission rate of voice
If silence suppression is enabled, the bandwidth occupied by
voice transmission will be released automatically for the silence
party or when talking is paused.
Default value is ‘Disable’.
➢ Example: How to configure preferred Codec group
Step1：Enter the Codec Group interface and select Codec group ID 1 to create new Codec
group
Step2：Select preferred voice Codec (G711A and G729) in this example, as below:
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