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

Ibraham Sharifzada

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Apparatus and method for multiplexing communication signals

Telephonic communications – Diagnostic testing – malfunction indication – or electrical... – Testing of network terminating interface – subscriber trunk...
Reexamination Certificate

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Audio headset

Telephonic communications – Terminal – Housing or housing component
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Binder identification

Telephonic communications – Transmission line conditioning – Interference suppression
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Change to playback characteristic of ringback tone

Telephonic communications – Call signal generating
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Driver circuit and method for driving a signal

Telephonic communications – Subscriber line or transmission line interface – Hybrid circuit
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Profile ID: LFUS-PAI-P-2187426

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