Method and module for the direct dialing from a first subscriber with a first terminal (1) in a telephone system (20a) to a second subscriber with a number of terminals from which at least one is connected outside the telephone system (20a) in which case availability information (14) about the second subscriber is requested by an availability service (24) that is connected outside the telephone system (20a) and at least parts of the availability information (14) are made accessible to the first subscriber at the first terminal (1) allocated to a direct dialing function (11, 12, 15) in order to set up a connection attempt to the connection of the second subscriber that has the highest probability of success in view of the availability information.