Method of and system for extending internet telephony over virtual private network direct access lines
AssigneeMCI WorldCom, Inc.
InventorsSteven R. Donovan, Matthew J. Cannon
Life of this patent
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Abstract
A virtual private network includes an internet protocol (IP) network and a public switched telephone network (PSTN). An enterprise gateway is operably connected to the IP network. The enterprise gateway is operably connected to a switch of the PSTN through a direct access line (DAL). The set-up signaling for virtual private network calls and the calls themselves are transported across the internet protocol network and the public switched telephone network through the direct access line.
Claims17
A virtual private network, which comprises:
- an internet protocol network;
- an enterprise gateway operably connected to said internet protocol network;
- a direct access line operably connected to said gateway;
- and
- a switch of a public switched telephone network operably connected to said direct access line.
A method of providing virtual private network services, which comprises the steps of:
- transporting a called party number to an enterprise gateway through an internet protocol network;
- and,
- transporting said called party number from said gateway to a switch of a public switched telephone network switch through a direct access line.
Dependencies are inferred from the claim text.