One of the big things that I think will radically transform the communications industry is an emerging technology called WebRTC. In a nutshell WebRTC will provide web browser vendors standards-based signaling protocols, codecs and security for interoperable real-time voice and video (and data) communications. What this means for web developers is that the barriers for introducing real time communications will be significantly lowered and will no longer require the use of a browser plugin.
To find out more about what WebRTC is and the current state of the standards development, I would recommend watching this video by Cisco Fellow Cullen Jennings http://vimeo.com/47682405.
This posting will show you how to use an undocumented and unsupported feature in the Plantronics Voyager Legend and Voyager Pro headsets that will allow you to receive headset events over Android’s XEvent mechanism.