Receives requests to resolve media IDs into HTTP URLs. Could be for prompt/media URLs for FreeSWITCH to play to the caller or URLs for FreeSWITCH to use to upload recordings, faxes, etc.
Media manager also receives requests to generate TTS media files, caching the resulting media for FreeSWITCH to stream.
Single play stream
ECALLMGR MEDIA MGR media_req → media_listener verify media exists generate URL to SHOUT server call_control ← media_resp prefetch attachment if not cached locally
FS playback() → media_shout_protocol accept client verify stream path exists (can issue redirect to couch?) send chunked data to socket