13. The system of claim 12 , wherein the grammar is a personal grammar and wherein the speech-to-text module transcribes the audio file based on the personal grammar and at least one additional grammar.
12. A system for transcribing an audio file voice mail that is sent to a recipient connected to a unified messaging system, comprising: a grammar containing data from the unified messaging system mailbox of the recipient; a key elements list containing data that is to be located in a voice mail; a server being configured to execute computer-executable instructions for: executing a speech-to-text module that compares each voice mail utterance on the audio file to the grammar; creating a text corresponding to each recognizable voice mail utterance, wherein the plurality of texts comprise a text transcription; determining one or more utterances in the audio file as unrecognizable based on a threshold relating to a probability accuracy of said comparing, said determining further comprising representing each of said unrecognizable utterances as a symbol or string in a corresponding position within the text transcription; identifying key elements contained in the text transcription that are contained in the key elements list, said identified key elements corresponding to only the recognizable voice mail utterances from which a text has been created; and sending the recipient an email containing the identified key elements, the text transcription, and the audio file.