专利内容由知识产权出版社提供
专利名称：Method for activating a lamp on analog
customer premises equipment by a digitalsignal
发明人：John T. Corwith申请号：US08/575791申请日：19951222公开号：US05612995A公开日：19970318
摘要：An apparatus and method for illuminating a message lamp on analog customerpremises equipment (CPE) under the control of a digital switch. A message conversioncircuit (MCC) which is positioned intermediate to the digital switch and the analog CPEcontrols an on-hook isolation and relay circuit to selectively connect the subscriber lineassociated with the analog CPE with a voltage supply to illuminate the message lamp.
申请人：LUCENT TECHNOLOGIES INC.
代理人：Mony R. Ghose
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