Providing {HEAD ~ menu} and other services for {TAIL ~ an information processing system} using a telephone or other audio interface 
for
Providing { HEAD ~ menu } and other services for { TAIL ~ an information processing system } using a telephone or other audio interface
OTH HEAD HEAD HEAD HEAD HEAD OTH OTH OTH REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH