In a networked communications apparatus comprising at least one server
(10) and a plurality of user terminals (12), together with a portable
communications device (18) co-operating with one or more user terminals
(12), the coupling (14) between terminal and communications device is by
wireless transmission. The portable communications device (18) means for
receiving wireless transmissions from the terminal are further configured
to receive additional data transmitted wirelessly from other sources,
such as message delivery beacons (B1 BN) distributed in the locality.