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