The client may then play the audio or video file and may optionally patch in or connect {TAIL ~ other parties} during the play back to provided the verification recording to {HEAD ~ other parties} 
The client may then play the audio or video file and may optionally patch in or connect { TAIL ~ other parties } during the play back to provided the verification recording to { HEAD ~ other parties }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD