A private network system including mobile radio telephones is able to originate connection and terminate connection even when any of the mobile radio telephones are moved from one exchange where the position of the mobile radio telephone is registered to another exchange. In the private network system...http://www.google.fr/patents/US5479483?utm_source=gb-gplus-shareBrevet US5479483 - Private radio system for delivering incoming calls to a mobile subscriber
Private radio system for delivering incoming calls to a mobile subscriber
