4. Telephonic communications
  5. Centralized switching system
  6. Call distribution to operator

Brian J. Shapley

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Automatic call distribution system with emergency conferencing a

Telephonic communications – Special services – Conferencing
Patent

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Automatic call distribution system with emergency recording syst

Telephonic communications – Emergency or alarm communications – Central station with plural substations
Patent

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Automatic call distributor with automated voice responsive call

Telephonic communications – Centralized switching system – Call distribution to operator
Patent

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Profile ID: LFUS-PAI-P-1134919

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