The automated, computerized voice message storage and redelivery system (SRS) provides for the receipt, recordation and storage into individual computer files of telephonic messages received from subscribers who telephone into the computer system and respond either verbally or via touch-tone keypad to...http://www.google.com.hk/patents/US6731725?utm_source=gb-gplus-share專利 US6731725 - Computerized system for the receipt, recordation, scheduling and redelivery of telephone messages
