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SmartLink 4020 User Manual
Audio/CODEC Configuration
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
Audio/CODEC Configuration
Figure 29. Audio/CODEC Configuration window
6 • Telephony
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