vncsVpSilenceSuppression
1.3.6.1.4.1.562.2.4.1.44.3.3.1.6
This attribute specifies when silence suppression is desired during
voice traffic on an audio call.
If silenceSuppression is off, silence suppression is never desired.
If silenceSuppression is on, silence suppression is always desired.
If silenceSuppression is congested, silence suppression is desired
only when the network is congested.
If silenceSuppression is slow, silence suppression is desired only
after 20 seconds without audio.
If silenceSuppression is slowAndCongested, both the slow and
congested options are desired.
The negotiated silence suppression is available in Vsr Svs Framer
negotiatedSilenceSuppression.