4. Telephonic communications
  5. Plural exchange network or interconnection
  6. With interexchange network routing

Joseph L. Durkee

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System and method for providing communications services

Telephonic communications – Plural exchange network or interconnection – With interexchange network routing
Reexamination Certificate

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System and method for providing communications services

Telephonic communications – Audio message storage – retrieval – or synthesis – Multimedia system
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System and method for providing communications services

Telecommunications – Radiotelephone system – Special service
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Profile ID: LFUS-PAI-P-2176120

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