High Quality Content by WIKIPEDIA articles! AMATPS is an Operations Support System developed during the early 1980s by the Bell System and Bell Communications Research. AMATPS is an acronym that stands for Automatic Message Accounting Tele-Processing System. The purpose of this OSS and communications application was to transport customer billing information from switching systems to a centralized computer that serves as a repository for billing data. Nearly all wireline and wireless telecommunications companies utilize similar technologies today to transport near-real-time billing information.