A communication terminal apparatus connected to an integrated services digital network to transmit data from an outgoing call office to an incoming call office and a method of controlling the communication terminal apparatus, in which notification of a person to be called for an incoming signal and acceptance...http://www.google.fr/patents/US5200994?utm_source=gb-gplus-shareBrevet US5200994 - Communication terminal apparatus and control method with party identification features
Communication terminal apparatus and control method with party ...
