Patton electronic 4020 Network Router User Manual


 
Audio/CODEC Configuration 53
SmartLink 4020 User Manual 6 • Telephony
Audio/CODEC Configuration
Figure 29. Audio/CODEC Configuration window
CODECS
Selected column: Check the codecs that are acceptable to use
Silence Suppression column: Specifies whether silence suppression should be turned on in the
SmartLink 4020.
Preferred-Codec column: Select the codec to be used as the first choice when encoding voice
Packetization
Configure the packet sending increment.
Jitter Buffer
Configure the timing of the voice buffering:
Selection between adaptive or fixed jitter buffer. Default = ADAPTIVE.
Set the adaptive jitter buffer maximum playout delay. Default = 100ms or Fixed jitter buffer playout delay.
Default = 40ms
Whether or not to automatically switch from an adaptive jitter buffer to a fixed jitter buffer upon fax/
modem tone detection