H: Clear the 'P' (playing) bit and set the 'N' (next audio file) bit of the vss
H: status flags, effectively stopping playback.
---
+N: tasks
+P: 0
+D: List server tasks.
+U: tasks
+H: For each task, print ID, status and name.
+---
N: term
P: VSS_READ | VSS_WRITE
D: Ask the server to terminate.