16. The speech recognition system of any one of claims 12 through 15 wherein in said speech recognition system, said plurality of speech recognition models are interrelated in accordance with a predefined grammar.
16. The speech recognition system of any one of claims 12 through 15 wherein in said speech recognition system, said plurality of speech recognition models are interrelated in accordance with a predefined grammar. 17. The speech recognition system of claim 16 wherein said predefined grammar describes a set of expected spoken utterances.