Part 5: Media and Codecs
How FreeSWITCH handles media: codec selection and negotiation, media handling, and audio file playback and streaming.
6. Codecs and Negotiation
How FreeSWITCH builds its codec preference list and negotiates codecs and SRTP crypto suites through the SDP offer/answer exchange.
7. Media Handling
Control RTP media flow with the three media modes, plus early media, late negotiation, RTP timeouts, jitter buffering, and SRTP.
8. Audio Files and Streaming Sources
Play audio from file paths, tone streams, local playlists, and remote MP3/Icecast feeds, and the format modules behind each source type.