{TAIL ~ The response message reading part} reads a response message associated with the transmission period per {HEAD ~ unit cost} 
{ TAIL ~ The response message reading part } reads a response message associated with the transmission period per { HEAD ~ unit cost }
TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD