To conceal {TAIL ~ AC} of {HEAD ~ a mobile station UE} from an MMTEL/IMS layer function, and at the same time, perform SSAC barring in the MMTEL/IMS layer function 
To conceal { TAIL ~ AC } of { HEAD ~ a mobile station UE } from an MMTEL / IMS layer function , and at the same time , perform SSAC barring in the MMTEL / IMS layer function
OTH OTH TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH