The manual in two separately conceived parts focuses on the field of correspondence and telephony. Together with the greater difficulty of linguistic expression compared to the already published publication Handelskontakte, even more complex grammatical structures are practiced here. Annex to the part of the Korrespondenz is a section dealing with construction elements of correspondence; A part of the telephone lesses is released one CD with recordings of dialogical texts and selected exercises. Summary German-Czech and Czech-German vocabulary includes vocabulary of both parts.