When talking about Exchange Unified Messaging, and often recurring question is “which languages are supported for which features”.
Time for an overview.
Link to bookmark 1 = Understanding Unified Messaging Languages
In this TechNet article the following information can be seen:
There are several key components that rely on UM language packs to enable users and callers to interact effectively with Exchange 2010 Unified Messaging in multiple languages. Each UM language pack includes a Text-to-Speech (TTS) engine, the pre-recorded prompts and support for Automatic Speech Recognition (ASR) and Voice Mail Preview for a specific language. This topic discusses UM language packs, the UM components that use the UM language packs, and how UM language packs, after they're installed, can be used to configure UM dial plans and UM auto attendants to use other languages.
Meaning, the following features are available in every UM language pack:
And Voice Mail Preview is only available for a few languages, being:
Link to bookmark 2 = Downloading the Language Packs
A few remarks first:
The following language packs are available for download:
Link to bookmark 3 = Quick Start Guide for Outlook Voice Access 2010
You can download for every UM language pack a nice pdf, which shows the navigational tree and the options that are available to UM-enabled users when they are using Outlook Voice Access. Definitely two pages to print + laminate and hand-out to all UM-enabled users :-)
Below a print-screen from the nl-NL Quick Start Guide:
Touchtone User Interface
Voice User Interface
How to install a UM Language Pack?
To install a UM Language Pack, you’ve got the following options:
setup.com /AddUmLanguagePack:<language> /s:<path to lang.pack>
Uninstalling any UM language pack (except the en-US one, which can only be uninstalled by uninstalling the UM server role), can only be done by using the Setup.com command.
After installing UM-language pack, you will be able to configure your UM dial plans to use on of them as the default language.