18. An apparatus for recognizing a customer identifier comprising: means for receiving a speech signal from a customer; means for generating a first plurality of customer identifier choices from the speech signal and a probability associated with each of the first plurality of choices; a database having stored thereon a plurality of customer attribute parameters indexed to a second plurality of customer identifier choices; means for querying said database using said first plurality of choices; means for retrieving one or more customer attribute parameters; means for adjusting the probabilities based on said retrieved customer attribute parameters; and means for selecting the customer identifier from the first plurality of choices based on the adjusted probabilities.
18. An apparatus for recognizing a customer identifier comprising: means for receiving a speech signal from a customer; means for generating a first plurality of customer identifier choices from the speech signal and a probability associated with each of the first plurality of choices; a database having stored thereon a plurality of customer attribute parameters indexed to a second plurality of customer identifier choices; means for querying said database using said first plurality of choices; means for retrieving one or more customer attribute parameters; means for adjusting the probabilities based on said retrieved customer attribute parameters; and means for selecting the customer identifier from the first plurality of choices based on the adjusted probabilities. 22. The apparatus of claim 18, wherein the plurality of customer parameters comprise a frequency of purchases for each of said second plurality of customer identifier choices.