4. Telephonic communications
  5. Reception of calling information at substation in wireline...
  6. Blocking caller id transmission

Aileen Y. Chang

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Communication system for processing caller ID information

Telephonic communications – Reception of calling information at substation in wireline... – Blocking caller id transmission
Patent

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Ringing technique in automatic call distribution

Telephonic communications – Centralized switching system – Call distribution to operator
Patent

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Profile ID: LFUS-PAI-P-521389

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