In the case of a method or an arrangement for the automatic start up of a first communication terminal (EG A, EG B) configured for voice communication on at least one second communication terminal (CL A, CL B) configured for text communication, the voice communication between communication terminals is conveyed via at least one voice communication server (SCS) and the text communication between communication terminals is conveyed via at least one text communication server (TCS). The at least one voice communication server (SCS) and the at least one text communication server (TCS) exchange information via at least one conversion device (GW). The start up of at least one first communication terminal (CL A, CL B) is effected via the at least one text communication server (TCS), the at least one conversion device (GW) and the at least one voice communication server (SCS) to at least one second voice communication terminal (EG A, EG B).