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| - This application is a continuation-in-part of U.S. patent application No. 09/287,092, filed Apr. 7, 1999 now U.S. Pat. No. 6,169,735, to George C. ALLEN Jr. et al., entitled ???ATM-based Distributed Virtual Tandem Switching System,??? which claims the benefit of U.S. Provisional Patent Application No. 60/083,640, filed on Apr. 30, 1998, entitled ???ATM-Based Distributed Virtual Tandem Switching Sy
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