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Billing method for telecommunication service based on fixed fee

Telephonic communications – With usage measurement – Call charge metering or monitoring
Reexamination Certificate

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Billing scheme for a telecommunications network

Telephonic communications – With usage measurement – Call charge metering or monitoring
Patent

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Billing system

Telephonic communications – With usage measurement – Call charge metering or monitoring
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Billing system

Telephonic communications – With usage measurement – Call charge metering or monitoring
Patent

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Billing system

Telephonic communications – With usage measurement – Call charge metering or monitoring
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Billing system

Telephonic communications – With usage measurement – Call charge metering or monitoring
Patent

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Billing system and method for database-queried...

Telephonic communications – With usage measurement – Call charge metering or monitoring
Reexamination Certificate

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Billing system for telephone signaling network

Telephonic communications – With usage measurement – Call traffic recording by computer or control processor
Patent

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Billing systems and methods for communication networks...

Telephonic communications – With usage measurement – Call charge metering or monitoring
Reexamination Certificate

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Broadcasting of different tariff periods in a telephone system

Telephonic communications – With usage measurement – Call charge metering or monitoring
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Buffer for connection data

Telephonic communications – With usage measurement – Call traffic recording by computer or control processor
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