{TAIL ~ Particularly the information element} is a radio access bearer to forwarding data which is set to {HEAD ~ null} or NIL 
{ TAIL ~ Particularly the information element } is a radio access bearer to forwarding data which is set to { HEAD ~ null } or NIL
TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD OTH OTH