In a telephone apparatus which accommodates a plurality of lines and a plurality of terminals, system services in accordance with preset working data are realized based upon prescribed operations such as the dialing of an outgoing call from a terminal. The system services include the storing of desired...http://www.google.es/patents/US5526423?utm_source=gb-gplus-sharePatente US5526423 - Communication apparatus and method with service execution according to dial number
Communication apparatus and method with service execution according to dial ...
