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