4. Telephonic communications
  5. Having light wave or ultrasonic link for speech or paging...
  6. Including fiber optic link within telephone network

Barry Pershan

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Advanced intelligent network (AIN) functionality for...

Telephonic communications – Plural exchange network or interconnection
Reexamination Certificate

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Call detail reporting for lawful surveillance

Telephonic communications – Diagnostic testing – malfunction indication – or electrical... – Testing of subscriber loop or terminal
Reexamination Certificate

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Call detail reporting for lawful surveillance

Telephonic communications – Diagnostic testing – malfunction indication – or electrical... – Monitoring
Reexamination Certificate

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Group notification service and system

Telephonic communications – Having light wave or ultrasonic link for speech or paging... – Including fiber optic link within telephone network
Patent

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Method for concurrently establishing switch redirection for mult

Telephonic communications – Plural exchange network or interconnection – Connection call model
Patent

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Profile ID: LFUS-PAI-P-1271010

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