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METHOD AND SYSTEM FOR ROUTING TELEPHONE CALLS BETWEEN A PUBLIC SWITCHED TELEPHONE NETWORK AND AN INTERNET PROTOCOL NETWORK

09/539,171 | U.S. Patent Application

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Location FILE REPOSITORY (FRANCONIA)
Filed March 29, 2000
Examiner PHIRIN SAM
Class 370
Art Group 2661
Patent No. 6,775,269
Case Type Utility - 370/352000
Status Patented Case
Parent 60/127,169 Expired
Last Updated: 2 years, 6 months ago
Date # Transaction