| US 7,533,410 B1 | ||
| Architecture to support public voice VPN services over an IP network | ||
| Kwok T. Fung, Marlboro, N.J. (US); Denny Ko, Marlboro, N.J. (US); Emmanuel K. Sam, East Orange, N.J. (US); Fang Wu, Holmdel, N.J. (US); and Eberhard F. Wunderlich, Aberdeen, N.J. (US) | ||
| Assigned to AT & T Corp., New York, N.Y. (US) | ||
| Filed on Sep. 06, 2001, as Appl. No. 9/948,268. | ||
| Int. Cl. H04L 29/00 (2006.01) | ||
| U.S. Cl. 726—15 [726/14; 713/150; 713/153; 379/900; 379/901; 370/351] | 8 Claims |
| 1. A method for enabling a telecommunications carrier to provide Virtual Private Network (VPN) services over an Internet Protocol
(IP) VPN Network, comprising the steps of:
receiving a call in a VPN network that originated from a customer VPN;
routing the call to a gatekeeper along with an autonomous system (AS) number that uniquely identifies the customer VPN; and
mapping at the gatekeeper the AS into a connection group to facilitate routing of the call to its destination.
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