6. The method according to claim 1 , wherein the vocabulary entries are classified according to four types, namely vocabulary entries fitting to a given language morphology; vocabulary entries fitting to morphology of at least one other supported language; vocabulary entries which do not fit to any supported language morphology but are normally pronounced; and vocabulary entries which do not fit to any supported language morphology and are pronounced by spelling.
6. The method according to claim 1 , wherein the vocabulary entries are classified according to four types, namely vocabulary entries fitting to a given language morphology; vocabulary entries fitting to morphology of at least one other supported language; vocabulary entries which do not fit to any supported language morphology but are normally pronounced; and vocabulary entries which do not fit to any supported language morphology and are pronounced by spelling. 7. The method according to claim 6 , wherein a standard acoustic model is applied together with syllable language models with respect to vocabulary entries which fit to one of the supplied language morphologies, whereas a high resolution acoustic model is applied with respect to normal abbreviation type and a spelling acoustic model is applied with respect to spelled abbreviations.