{HEAD ~ The caller} is then asked for {TAIL ~ his/her street number} and this is obtained by voice or by keypad 
{ HEAD ~ The caller } is then asked for { TAIL ~ his / her street number } and this is obtained by voice or by keypad
HEAD HEAD HEAD HEAD HEAD HEAD REL OTH REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH