An adaptive call forwarding system for a telephonic system providing for selectively inhibiting call forwarding of calls sent from a calling telephonic station and received at a called telephonic station to a selected remote telephonic station. Automatic identification of the number of a calling telephonic...http://www.google.de/patents/US6442266?utm_source=gb-gplus-sharePatent US6442266 - Telephone system with call forwarding apparatus and method
