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

Brian Fain

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System and method for providing a call back option for...

Telephonic communications – Special services – Reserved call
Reexamination Certificate

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System and method for providing a call back option for...

Telephonic communications – Centralized switching system – Call distribution to operator
Reexamination Certificate

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System and method for providing a call back option for...

Telephonic communications – Centralized switching system – Call distribution to operator
Reexamination Certificate

  [ 0.00 ] – not rated yet Voters 0   Comments 0

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Profile ID: LFUS-PAI-P-2163084

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