26. A method of generating an audio prompt, the method comprising: at a unified messaging server, determining a language to use when generating an audio prompt for a user, wherein the unified messaging server generates text prompts and audio prompts, wherein the unified messaging server is in communication with at least an email server and a voice mail server; identifying prompt parameter settings associated with the audio prompt to be generated; providing information regarding the audio prompt to be generated, the language to use when generating the audio prompt, and the audio prompt parameter settings to a prompt module; and receiving a sequence of audio files from the prompt module, wherein the sequence of audio files represent the audio prompt; wherein a localization document, appropriate for the user, contains rules that define a manner in which prompts are generated for the language; wherein the rules define which prompt file should be retrieved from the email server or the voice mail server in response to input from the user to generate the prompt when at least one parameter representing user data input satisfies a particular rule; and wherein the rules are applied to a request received from the user to select between text prompt files that apply to the email server and audio prompt files that apply to the voice mail server.
26. A method of generating an audio prompt, the method comprising: at a unified messaging server, determining a language to use when generating an audio prompt for a user, wherein the unified messaging server generates text prompts and audio prompts, wherein the unified messaging server is in communication with at least an email server and a voice mail server; identifying prompt parameter settings associated with the audio prompt to be generated; providing information regarding the audio prompt to be generated, the language to use when generating the audio prompt, and the audio prompt parameter settings to a prompt module; and receiving a sequence of audio files from the prompt module, wherein the sequence of audio files represent the audio prompt; wherein a localization document, appropriate for the user, contains rules that define a manner in which prompts are generated for the language; wherein the rules define which prompt file should be retrieved from the email server or the voice mail server in response to input from the user to generate the prompt when at least one parameter representing user data input satisfies a particular rule; and wherein the rules are applied to a request received from the user to select between text prompt files that apply to the email server and audio prompt files that apply to the voice mail server. 31. The method as recited in claim 26 wherein the localization document comprises multiple prompt descriptions.