4. Telephonic communications
  5. Emergency or alarm communications
  6. Central office responsive to emergency call or alarm

Don Mitchell

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Emergency alert for voice over internet protocol (VoIP)

Telephonic communications – Emergency or alarm communications – Central office responsive to emergency call or alarm
Reexamination Certificate

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Temporary ENUM gateway

Multiplex communications – Pathfinding or routing – Combined circuit switching and packet switching
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Profile ID: LFUS-PAI-P-2261676

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