4. Telephonic communications
  5. With usage measurement
  6. Call charge metering or monitoring
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E F G H I J K L M N O P Q R S T U V W X Y Z 0 1 2 3 4 5 6 7 8 9 ! " $ ' ( ) * , - / : < = > ? @ [ \ ] ^ ` { | } ~ €

Demar L.P.

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Den Hartog Jos

Inventor

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DePasquale George B.

Inventor

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Desai Nailesh B.

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DeVries Larry Ray

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Dickerman Robert Frank

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Dilley Selena

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Ding Jianjun

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Diomelli Giuseppe

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Dobner Frank J.

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Doehner John F.

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Doherty Gerard P.

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Dolphin Patrick J.

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Donoso Carlos

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Draizin Nadia

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Driesse Anton

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Duke Jeremy W.

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Dunn Cathy M.

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Dvorak Don Howard

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dX/dY Voice Processing, Inc.

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