4. Telephonic communications
  5. Special services
  6. Repetitive call attempts

Chang-Young Song

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Automatic redial method for telephone switching system

Telephonic communications – Special services – Repetitive call attempts
Patent

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Hybrid base station transceiver for plural networks

Multiplex communications – Pathfinding or routing – Switching a message which includes an address header
Reexamination Certificate

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Hybrid base station transceiver for plural networks

Multiplex communications – Pathfinding or routing – Switching a message which includes an address header
Reexamination Certificate

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Profile ID: LFUS-PAI-P-191238

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