Automated telecommunications call processing method

摘要

A system and method for automatically and seamlessly routing telephone calls across a telephone network. The system includes a telephone switch having a computer, a master file and client file stored in the computer, and means to dynamically link the master file with the client file at routing time to produce a selected client telephone number and transmit the number across the telephone network. The system utilizes Automatic Number Identification to identify the calling party. The master file has a plurality of records having a calling telephone number field and a spatial key field and is updated very frequently. The client file has a plurality of records having a spatial key field and a client telephone number. Methods of generating the client files for three client service area definitions are included in the present invention.