A communications control system is disclosed which includes: a computer including means for storing a schedule for subscribers of the system, the schedule including time and call-processing information for the subscribers which indicate at least one call processing mode and at least one time for a subscriber...http://www.google.com.hk/patents/US6453164?utm_source=gb-gplus-share專利 US6453164 - Intelligent telephone control system which allows subscribers to remotely control a plurality of call handling utilities
