Methods and systems are disclosed for providing privacy screening service during telephone calls. One method monitors a telephone call for a call screening request. The telephone call is from a calling telephone number to a called telephone number. An action is taken in response to the call screening...http://www.google.fr/patents/US20040218743?utm_source=gb-gplus-shareBrevet US20040218743 - Privacy screening service for telecommunications
Numéro de demande: 10/425,250 Numéro de publication: US 2004/0218743 A1 Date de dépôt: 29 avr. 2003 Brevet délivré: US7020259 ( Date de délivrance 28 mars 2006)