Patton electronic 4020 Series manual Audio/CODEC Configuration, Packetization, Jitter Buffer

SmartLink 4020 Getting Started Guide 6 • Telephony

Audio/CODEC Configuration

Figure 30. 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-Codeccolumn: 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

Audio/CODEC Configuration 54