The following sales tools provide a rough estimate of the cost of converting an existing DTMF application to a directed dialog speech application. It consists of three parts: a white paper explaining the advantages of speech over DTMF, a questionnaire to determine the high-level application needs, and a table to estimate application size, complexity and costs.

a. DTMF to Speech
This is a comprehensive white paper explaining the advantages of speech over DTMF
SpeechRecognitionVersusTouchTone.pdf

b. Application sizing
This is a questionnaire that can be used as a guide for collecting high- level requirements for converting a DTMF application to speech
SizingTool.pdf

c. Cost estimator
This is a tool that provides estimates of the cost for converting a DTMF application to speech, based upon the complexity and size of the application
CostEstimator.pdf