It is released: http://www.microsoft.com/downloads/details.aspx?displaylang=en&FamilyID=e7871dcd-8173-4866-a0c2-af8659092acc

This MUI Package for Office Communicator 2007 R2 includes the following languages:

  • Arabic
  • Bulgarian
  • Catalan
  • Chinese - Simplified
  • Chinese - Traditional
  • Chinese Hong Kong
  • Croatian
  • Czech
  • Danish
  • Dutch
  • English
  • Estonian
  • Finnish
  • French
  • German
  • Greek
  • Hebrew
  • Hindi
  • Hungarian
  • Italian
  • Japanese
  • Korean
  • Latvian
  • Lithuanian
  • Norwegian
  • Polish
  • Portuguese (Portugal)
  • Portuguese (Brazil)
  • Romanian
  • Russian
  • Serbian
  • Slovak
  • Slovenian
  • Spanish
  • Swedish
  • Thai
  • Turkish
  • Ukrainian