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

Seiji Tokunaga

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IP gateway apparatus

Multiplex communications – Pathfinding or routing – Combined circuit switching and packet switching
Reexamination Certificate

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Method and system of seizing communication channel enhancing...

Multiplex communications – Channel assignment techniques – Adaptive selection of channel assignment technique
Reexamination Certificate

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Method of controlling change-over of connection route...

Multiplex communications – Pathfinding or routing
Reexamination Certificate

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Network call control system

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

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Profile ID: LFUS-PAI-P-2670090

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