I have been using aplay as a preferred audio CLi player etc so just to show that the problem is not player based I tried mplayer with the following results ......
$ mplayer -ao alsa:device=btheadset ~/Desktop/hehe.wav
MPlayer SVN-r28791-4.1.1 (C) 2000-2009 MPlayer Team
mplayer: could not connect to socket
mplayer: No such file or directory
Failed to open LIRC support. You will not be able to use your remote control.
Audio only file format detected.
Trying to force audio codec driver family libmad...
Opening audio decoder: [pcm] Uncompressed PCM audio decoder
AUDIO: 8000 Hz, 1 ch, s16le, 128.0 kbit/100.00% (ratio: 16000->16000)
Selected audio codec: [pcm] afm: pcm (Uncompressed PCM)
[AO_ALSA] alsa-lib: pcm_bluetooth.c:1593:(bluetooth_init) BT_GETCAPABILITIES failed : Input/output error(5)
[AO_ALSA] Playback open error: Input/output error
Failed to initialize audio driver 'alsa:device=btheadset'
Could not open/initialize audio device -> no sound.
Audio: no sound
Video: no video
Exiting... (End of file)
The earpiece just does not seem to respond to any input ....... bummer!
The very same output is generated if the Earpiece is not paired at all!!!