4. Telephonic communications
  5. With usage measurement
  6. Call charge metering or monitoring

Moshiur Rahman

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Call progress information in cable telephony

Telephonic communications – Telephone line or system combined with diverse electrical... – Having transmission of a digital message signal over a...
Reexamination Certificate

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Call progress information in cable telephony

Telephonic communications – Telephone line or system combined with diverse electrical... – Having transmission of a digital message signal over a...
Reexamination Certificate

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Call progress information in cable telephony

Telephonic communications – Telephone line or system combined with diverse electrical... – Having transmission of a digital message signal over a...
Reexamination Certificate

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Call progress information in cable telephony

Telephonic communications – Telephone line or system combined with diverse electrical... – Having transmission of a digital message signal over a...
Reexamination Certificate

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Intelligent network interface device for caller...

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

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Profile ID: LFUS-PAI-P-1328463

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