4. Multiplex communications
  5. Diagnostic testing
  6. Of a switching system

Robert John Barnes

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Call control presence

Telephonic communications – Special services
Reexamination Certificate

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Systems and methods for providing recording as a network...

Multiplex communications – Diagnostic testing – Of a switching system
Reexamination Certificate

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Systems and methods for providing recording as a network...

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

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Systems and methods for recording audio

Telephonic communications – Audio message storage – retrieval – or synthesis – Interaction with an external nontelephone network
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Profile ID: LFUS-PAI-P-2251874

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