{HEAD ~ An LTE connection response message} is sent to {TAIL ~ an E RAN} to set up an SIP RAB to the UE 
is sent to
{ HEAD ~ An LTE connection response message } is sent to { TAIL ~ an E RAN } to set up an SIP RAB to the UE
HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH