4. Telephonic communications
  5. Special services
  6. Reserved call

John D. Curtis

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Method, system and program product for caching data objects

Electrical computers and digital processing systems: memory – Storage accessing and control – Hierarchical memories
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Method, system, and database for providing a telecommunication s

Telephonic communications – Special services – Reserved call
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Method, system, and database for providing a...

Telephonic communications – Special services – Automatic directory service
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Method, system, and database for providing a...

Telephonic communications – Call or terminal access alarm or control – At switching center
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Method, system, and database for providing a...

Telephonic communications – Special services – Call diversion
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Profile ID: LFUS-PAI-P-1829918

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