1. A system for providing searchable call indexes, comprising: one or more memory devices storing instructions; and one or more processors configured to execute the instructions to perform operations comprising: receiving call information associated with each of a plurality of telephone conversations between at least one customer and at least one vendor, the call information including at least an audio recording; receiving improvement data associated with one or more errors in identifying words from audio recordings; identifying one or more keywords based at least on the improvement data; indexing the call information associated with each telephone conversation based on the one or more keywords into a first index associated with the customer and a second index associated with the vendor; and determining search results from the first and second indexes responsive to a search query.