MTG1000B Trunk Gateway User Manual
MTG1000B Trunk Gateway User Manual
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Copyright @ 2011-2015 Dinstar
Parameter
Explanation
Codec Group ID
ID of each codec group for voice ability, from 0 to 7.
The codec group 0 is default setting which cannot be modified.
Codec
MTG1000B supports three kinds of voice codec: G711A, G711U, G729, G723,
iLBC 13k and iLBC 15k.
Payload Type Value
Each codec has a unique payload type value (make reference to RFC3551).
Packetization Time (ms)
The minimum packetization time of voice codec. For example, if packetization
time is 20ms, voice will be packetized every 20ms.
Rate (kbps)
Transmission rate of voice
Silence Suppression
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 into the
Codec Group
interface and select codec group ID 1 to create new codec group
Step2. Select preferred voice codec (G723, G729, G711U and G711A) in this example, as below: