Amazon Lex is a service for building conversational interfaces into any application using voice and text. With Amazon Lex, you can easily build sophisticated, natural language, conversational bots (chatbots), virtual agents, and interactive voice response (IVR) systems. You can now use industry grammars to accelerate IVR development on Amazon Lex as part of your IVR migration effort. Industry grammars are a set of XML files made available as a grammar slot type. You can select from a range of pre-built industry grammars across domains, such as financial services, insurance, and telecom. In this post, we review the industry grammars for these industries and use them to create IVR experiences.
Financial services
You can use Amazon Lex in the financial services domain to automate customer service interactions such as credit card payments, mortgage loan applications, portfolio status, and account updates. During these interactions, the IVR flow needs to collect several details,

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