OptionalcodecOptionaljitterJitter-buffer depth (default 50).
OptionalonInbound PCM sink (SIP → WA).
OptionalonOutbound RTP sink (WA → SIP).
OptionalpayloadOverride the static RTP payload type (default derived from codec).
OptionalsamplesSamples per RTP packet (default 160 = 20ms @ 8kHz).
Optionalssrc
'pcmu' (μ-law) or 'pcma' (A-law). Default 'pcmu'.