CALIOPOLIS

Using WebHuddle, you have options—and flexibility. Meetings can be conducted either in conjunction with an enterprise’s existing teleconferencing service, or utilizing WebHuddle’s optional voice over IP. WebHuddle also offers recording capabilities—presentations can easily be recorded for playback over any web browser for those who missed the live meeting.

WebHuddle — Alternative Communication

There is an intriguing bit here that seems to indicate that you can stream PowerPoint with audio.