EGC

Not sure if this is what you are referring to for FS2002 voices,  but it is possibly 'editvoice pack' you will need either from : http://bevelstone.xs4all.nl/FlightSimulator/EditVoicepack
or Avsim.

If this is the case you will also need from Microsoft site.....Microsoft.NET Framework 1.0,  but 'editvoicepack' guides you as to how to download this. 
However it is a 'Big One' at 20mb and took me about 2 hrs on my little modem but worth it!

Hope this helps...good luck!

Don