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Prepaid phone card service using speech recognition

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

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Prepaid phone service for both wired and wireless...

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

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Prepaid phone service for both wired and wireless...

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

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Prepaid real-time web based reporting

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

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Prepaid services accounts with multi-user customers and...

Telephonic communications – With usage measurement
Reexamination Certificate

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Prepaid services with security provisions to protect against...

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

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Prepaid services with security provisions to protect against...

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

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Prepaid telephone calling card with distinct PIN numbers

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

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Prepaid telephone calling card with distinct PIN numbers

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

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Prepaid telephone calling card with message recording...

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

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Prepaid telephony system and method of activating a prepaid...

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

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Pricing center for internet protocol routed transactions

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

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Pricing method for telecommunication system

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

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Private branch exchange

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

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Private branch exchange apparatus

Telephonic communications – With usage measurement – Call traffic recording or monitoring
Patent

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Private branch exchange apparatus and accounting process method

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

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Pro-active message delivery system and method

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

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Procedure and system for the setting up of calls

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

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Process and system for dynamically measuring switch traffic

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

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Process for dynamic call routing in real time

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

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