4. Telephonic communications
  5. Supervisory or control line signaling
  6. Signal reception at substation

Linda Ann Roberts

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Call waiting priority alert

Telephonic communications – Special services – Call waiting
Reexamination Certificate

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Call waiting priority alert

Telephonic communications – Special services – Call waiting
Reexamination Certificate

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Caller control of internet call waiting

Telephonic communications – Special services – Call waiting
Reexamination Certificate

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Caller control of internet call waiting

Telephonic communications – Special services – Call waiting
Reexamination Certificate

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Conference call setup automation

Telephonic communications – Special services – Conferencing
Reexamination Certificate

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Profile ID: LFUS-PAI-P-2181726

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