Method and apparatus for a telephone message announcing device
作者： Fred C. Zimmerman , Verne L. Severson
DOI:
关键词:
摘要: The local telephone message announcing device automatically checks a remote voice messaging system for stored messages in consistent and timely manner, announces the presence of through an external indicator connects user to upon entry predetermined command by user. detecting unique tone sent user's set or number indicate messages. detection occurs at time intervals whereby interference with operation is minimized. In addition, easily installed person without technical expertise can be adapted any type set.
lens.org 参考文章(8)
William K. C. Yuan, Message waiting system ,(1979)
Jr. Julius Jusinskas, Call waiting signal arrangement ,(1979)
Robert W Stankus, Telephone control system having wakeup, message waiting, special message and fire alert modes ,(1973)
Peter F. Theis, Telephone call inventorying and sequencing system and method ,(1980)
II John M. Sayre, Telephone message waiting system and apparatus ,(1989)
Ronald Binks, Anthony S. Rehak, Howard Sinberg, Circuit for switching between ring signal and message waiting signal without bell tap ,(1984)
David B. Chamberlin, Emil F. Jachmann, Jeremy Saltzman, Method and apparatus for visual indication of stored voice signals ,(1987)
Bruce C. Nepple, Thomas D. Klarquist, Daniel C. Olin, Lawrence B. Park, William G. Hood, Kai-Dick Lee, Michael C. Park, Voice mail system on magnetic tape ,(1986)