Depending on {HEAD ~ the location} and telephone number of {TAIL ~ the calling party}, the answering machine lowers user cost by limiting the allowable time for a response message and responding to incoming calls in a more efficient manner 
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Depending on { HEAD ~ the location } and telephone number of { TAIL ~ the calling party } , the answering machine lowers user cost by limiting the allowable time for a response message and responding to incoming calls in a more efficient manner
OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH