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PHONE DIRECTORY IN A VOICE OVER IP TELEPHONE SYSTEM

10/447,607 | U.S. Patent Application

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Location ELECTRONIC
Filed May 29, 2003
Examiner GREGORY B SEFCHECK
Class 370
Art Group 2477
Patent No. 8,391,298
Case Type Utility - 370/400000
Status Patented Case
Parent 09/775,018 Patented
Last Updated: 3 years, 11 months ago
Date # Transaction