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