Method and apparatus for the billing of value-added communication calls
AssigneeAT&T Bell Laboratories
InventorsIrving Benyacar, Elizabeth V. Courte, Albert Friedes, Thomas P. Howe, David D. Kaufman, James R. Magura, Rachelle E. Rees, Pamela A. Steinert, Mohan Venkataramana, Yong Zhou
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