4. Telephonic communications
  5. With usage measurement
  6. Call charge metering or monitoring
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Asujamaa Hannu

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AT & T Information Systems Inc.

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AT & T Labs, Inc.

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At Comm Corporation

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AT&T Services, Inc.

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AT&T Teleholdings, Inc.

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Atkins Jean

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Atsuta Hiromi

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August Katherine G.

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Aurora Financial Systems, Inc.

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Austin Donald

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Axicom Communications Group Inc.

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Ayyala Sree Ram Murphy

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Azar Babak

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Azar Sanjar

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Azure Solutions Limited

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Babi Rene Pierre

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Bae Hyun Joo

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Bagley David H.

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Baird J. Alfred

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