4. Communications: electrical
  5. Tactual indication

Andrew Armstrong

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Alerting apparatus

Communications: electrical – Tactual indication
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System and method for reporting and delivering calls

Telephonic communications – Special services
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System and method for reporting calls

Telephonic communications – With usage measurement – Call traffic recording by computer or control processor
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System and method for reporting calls

Telephonic communications – With usage measurement – Call charge metering or monitoring
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Profile ID: LFUS-PAI-P-2145457

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