Outgoing video communication requests are intercepted and screened by one or more unauthorized recipient lists, authorized recipient lists, caller-specific authorized/unauthorized recipient lists, and/or various combinations of these. The video communication requests may be blocked or forwarded to the...http://www.google.com.mx/patents/US7142230?utm_source=gb-gplus-sharePatent US7142230 - System and method for screening incoming and outgoing video communications within an interactive television system
