Automated public phone control for charge and collect billing

摘要: The charge and collect-call functions of a public telephone are arranged automatically by microcomputer system preferably connected on customer premises between the phone terminal instrument local loop, wherein control said instrument, network signaling call placement voice prompting parties, recognition responses from parties network, detail records numbers timings, data communications with other computers accomplished microcompter without requiring human operator assistance or transmission calls over excessive distances to reach such an operator.