The method 20, wherein {TAIL ~ the data} produced at at least one end terminal are {HEAD ~ digital, non packetized data} 
The method 20 , wherein { TAIL ~ the data } produced at at least one end terminal are { HEAD ~ digital , non packetized data }
OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD