4. Telephonic communications
  5. Emergency or alarm communications
  6. Central office responsive to emergency call or alarm

John R. Melcher

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Computer integrated telephony system for the processing of 9-1-1

Telephonic communications – Emergency or alarm communications – Central office responsive to emergency call or alarm
Patent

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Integrated data collection and transmission for 9-1-1 calls for

Telephonic communications – Telephone line or system combined with diverse electrical...
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Profile ID: LFUS-PAI-P-100809

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