The communication system 1, wherein the operating means comprises terminating means for terminating {HEAD ~ the connected operation} of the first service and {TAIL ~ the second service} 
of
The communication system 1 , wherein the operating means comprises terminating means for terminating { HEAD ~ the connected operation } of the first service and { TAIL ~ the second service }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL