A communicating apparatus which is connected to a communication line control
device
or a system for controlling communication of a plurality of terminals existing
in a service zone formed by a plurality of base stations and is used for at least
one of the plurality of base stations. The apparatus has an identification information
allocating unit for allocating base station identification information for specifying
an arbitrary one of the plurality of terminals on the basis of a predetermined
condition to the arbitrary terminal at a timing of forming a link with the arbitrary terminal.