4. Telephonic communications
  5. With usage measurement
  6. Call traffic recording by computer or control processor

Stephen Paul Brennan

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Method and apparatus for determining the carrier used for an...

Telephonic communications – Plural exchange network or interconnection
Reexamination Certificate

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Method and apparatus for providing subscribers with...

Telephonic communications – With usage measurement – Call traffic recording by computer or control processor
Reexamination Certificate

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Profile ID: LFUS-PAI-P-2633541

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