VIEIRA, C. A.; http://lattes.cnpq.br/4373329089152914; VIEIRA, Evilacy César Andrade. (BrasilCentro de Engenharia Elétrica e Informática - CEEIPÓS-GRADUAÇÃO EM ENGENHARIA ELÉTRICAUFCGUniversidade Federal de Campina Grande, 1994-12-21)
The electromechanical exchanges switchings don't have efficient means of
supervision of the public telephones connected to them. In this work is show the
development of the systems of supervision of public telephones and ...