A cordless automatic answering telephone set includes a base station that guides terminal-designation-call codes of the base station and a mobile station associated with the base station, and each of base station and the mobile station can send outgoing messages and record incoming messages. The cordless...http://www.google.es/patents/US5317624?utm_source=gb-gplus-sharePatente US5317624 - Cordless automatic answering telephone set
