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SYSTEM AND METHOD FOR DETERMINING THE STATUS OF A TELEPHONE IN A PACKET SWITCHED NETWORK

11/280,497 | U.S. Patent Application

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Location ELECTRONIC
Filed Nov. 16, 2005
Examiner CREIGHTON H SMITH
Class 379
Art Group 2614
Patent No. 7,499,527
Case Type Utility - 379/088150
Status Patented Case
Parent 11/123,490 Patented
Parent 09/759,107 Patented
Parent 08/963,373 Patented
Parent 09/265,656 Patented
Last Updated: 4 years, 3 months ago
Date # Transaction