Communication line monitoring system
作者： Robert C. Alexander
DOI:
关键词:
摘要: One or more lines of a communication terminal are monitored to determine blocked calls by detecting times incoming calls. A signal corresponding the pattern is generated from detected times. After detection starting time an all busy state, estimate formed call and start state.
lens.org 参考文章(8)
James M. Rice, Robert W. Rice, John E. Rice, Monitoring and recording apparatus for connection to a telephone line ,(1986)
Vincent D. Vanacore, Call-load-control arrangement for an emergency-call-answering center ,(1991)
Peter Theis, Gregory D. Buchberger, William J. Krueger, Telephone line activity monitor ,(1978)
George E. Pritz, Robert Novakowski, Position load distribution and management system for key telephone systems ,(1981)
Ernest C Karras, Answering time recorder for telephone apparatus ,(1970)
Ernest C. Karras, Telephone day count traffic observing and data accumulating equipment ,(1976)
Nishidate Yoshio, SYSTEM FOR DISPLAYING OPTIMUM TRUNK NUMBER ,(1989)
Sutyagin Konstantin A, METHOD OF CHECKING TELEPHONE COMMUNICATION LOSSES ,(1985)