Patent Document ID: 8781833
Application ID: 12460249

Base Claim:
1. A method of automated training for a router confidence engine in a call routing system, the method comprising: defining, by a computer system, a set of call routes for processing input speech utterances in a call routing system, each call route representing a specific call processing path; performing, by the computer system, initial router confidence training based on an initial set of training data; operating, by the computer system, the call routing system to assign input speech utterances to the defined call routes; collecting, by the computer system, adaptation training data based on processed input speech utterances; and re-performing, by the computer system, router confidence training based on the adaptation training data, wherein each iteration i of the re-performing occurs when 2 i speech utterances for each call route are available.

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Claim 4:
4. The method according to claim 1 , wherein performing the initial router confidence training based on the initial set of training data comprises: performing the initial router confidence training based on only automatically transcribed and unlabeled in-domain training data.