A communication subscriber which, as a passive subscriber of a
communication system, does not have its own transmission authorization but
listens to all the communication processes and can receive only those data
items which are also intended for it, which can be identified without
doubt from destination identifier allocated to the data items, is given
the capability, according to the invention, also to receive in addition
those data items whose destination identifier and source identifier match
an entry in a filter table provided in the communication subscriber which
has been given the capability according to the invention.
