4. Telephonic communications
  5. Plural exchange network or interconnection
  6. Interexchange signalling

Douglas M Nortz

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Method for allocating network resources

Telephonic communications – Plural exchange network or interconnection
Reexamination Certificate

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Method for allocating network resources

Telephonic communications – Plural exchange network or interconnection
Reexamination Certificate

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Method for call forwarding without hairpinning and with...

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

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Method for call forwarding without hairpinning and with...

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

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Method for establishing call state information without...

Electrical computers and digital processing systems: support – Multiple computer communication using cryptography – Particular node for directing data and applying cryptography
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Profile ID: LFUS-PAI-P-2148804

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