4. Multiplex communications
  5. Pathfinding or routing
  6. Combined circuit switching and packet switching

Keith A. Pirkl

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Method and apparatus for bridging a voice call including selecti

Telephonic communications – Telephone line or system combined with diverse electrical... – Having transmission of a digital message signal over a...
Patent

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Method and apparatus for establishing a voice call to a PSTN ext

Multiplex communications – Pathfinding or routing – Switching a message which includes an address header
Patent

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Method and apparatus for establishing a voice call to a PSTN...

Telephonic communications – Audio message storage – retrieval – or synthesis – Multimedia system
Reexamination Certificate

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Method and apparatus for establishing a voice call to a PSTN...

Telephonic communications – Audio message storage – retrieval – or synthesis – Multimedia system
Reexamination Certificate

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Method and apparatus for selecting an internet/PSTN changeover s

Multiplex communications – Pathfinding or routing – Combined circuit switching and packet switching
Patent

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Profile ID: LFUS-PAI-P-1321363

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