Upon {TAIL ~ receipt} of response SIP data for {HEAD ~ the SIP data}, the response SIP data is sent through the SIP RAB 
Upon { TAIL ~ receipt } of response SIP data for { HEAD ~ the SIP data } , the response SIP data is sent through the SIP RAB
OTH TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH