If the check result at step 720 is NO, {HEAD ~ the mobile device} 1 ends {TAIL ~ the link processing} and executes its communication processing 
If the check result at step 720 is NO , { HEAD ~ the mobile device } 1 ends { TAIL ~ the link processing } and executes its communication processing
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH