connecting said calling party on said {HEAD ~ DID trunk line} from {TAIL ~ said central office} through said PBX to said voice message system 
connecting said calling party on said { HEAD ~ DID trunk line } from { TAIL ~ said central office } through said PBX to said voice message system
OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH