Method of and system for extending internet telephony over...

H - Electricity – 04 – L

Patent

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H04L 12/28 (2006.01) H04L 12/46 (2006.01) H04L 12/56 (2006.01) H04L 12/66 (2006.01) H04L 29/06 (2006.01) H04M 7/00 (2006.01) H04M 11/00 (2006.01) H04Q 3/00 (2006.01) H04L 29/12 (2006.01) H04M 7/12 (2006.01)

Patent

CA 2380605

A virtual private network (31) includes an Internet protocol (IP) network (47) and a public switched telephone net- work (PSTN) (37). An enterprise gateway (55) is operably connected to the IP network (47). The enterprise gateway (61) is operably connected to a switch (33) of the PSTN (37) through a direct access line (DAL). The set-up signaling for virtual private network (31) calls and the calls themselves are transported across the Internet protocol network (47) and the public switched telephone network (37) through the direct access line.

L'invention concerne un réseau privé virtuel comprenant notamment un réseau de protocole Internet (IP) et un réseau téléphonique public commuté (RTPC). Une passerelle d'entreprise est fonctionnellement reliée au réseau IP. Ladite passerelle est fonctionnellement reliée à un commutateur du RTPC par une ligne d'accès directe (LAD). Le signal d'établissement pour les appels de réseau privé virtuel et les appels eux-mêmes sont transportés par le réseau du protocole Internet et le réseau téléphonique public commuté sur la ligne d'accès directe.

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