4. Telephonic communications
  5. Plural exchange network or interconnection
  6. With interexchange network routing

Ken R. Dawson

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Method and apparatus to validate a subscriber line

Telephonic communications – With usage measurement – Call charge metering or monitoring
Reexamination Certificate

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Method and apparatus to validate a subscriber line

Telephonic communications – Special services – Service trigger
Reexamination Certificate

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Method and apparatus to validate a subscriber line

Telephonic communications – Plural exchange network or interconnection – With interexchange network routing
Reexamination Certificate

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Method and system for processing a transaction

Data processing: financial – business practice – management – or co – Business processing using cryptography – Secure transaction
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Profile ID: LFUS-PAI-P-2935918

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