15. An interactive voice response server (IVR), comprising: an interface operable to: play an audio file to a user, the audio file comprising a plurality of audible words converted from a plurality of textual words and a plurality of electronic markers embedded in the audio file; and receive a voice command to spell an audible word in the audio file from the user; and a processor operable to: remove the electronic markers from the audio file during playback; track the number of words played by counting the number of electronic markers removed; identify an audible word to be spelled in response to the voice command to spell; in response to the voice command, identify a textual word in a text file corresponding to the audible word to be spelled; and audibly spell the textual word.
15. An interactive voice response server (IVR), comprising: an interface operable to: play an audio file to a user, the audio file comprising a plurality of audible words converted from a plurality of textual words and a plurality of electronic markers embedded in the audio file; and receive a voice command to spell an audible word in the audio file from the user; and a processor operable to: remove the electronic markers from the audio file during playback; track the number of words played by counting the number of electronic markers removed; identify an audible word to be spelled in response to the voice command to spell; in response to the voice command, identify a textual word in a text file corresponding to the audible word to be spelled; and audibly spell the textual word. 17. The IVR of claim 15 , wherein: the interface is further operable to receive a command from the user to resume playing the audio file; and the processor is further operable to resume playing the audio file in response to the command.