Method for securing ip connections for network operator...

Details Method for securing ip connections for network operator... Method for securing ip connections for network operator...

H - Electricity

04

L

H04L 12/22 (2006.01) H04L 29/06 (2006.01)

Patent

CA 2653663

The invention relates to a method for securing IP connections with a combinatory connection of a communication network of a first network operator with a communication network of at least one second network operator using the Session Initiation Protocol, SIP. This method is based on the fact that portions of an SIP message, but at least the information necessary for the combinatory connection of the networks, is transmitted in encrypted form between a transmission channel of the first network operator and a reception channel of the second network operator.

L'invention concerne un procédé de protection des connexions IP lors d'une interconnexion entre un réseau de communication d'un premier exploitant de réseau et un réseau de communication d'au moins un second exploitant de réseau à l'aide du protocole d'initiation de session (SIP). Le procédé repose sur le fait que des parties d'un message SIP, toutefois au moins les informations nécessaires à l'interconnexion de réseau, sont transmises de façon codée entre une instance côté émetteur du premier exploitant de réseau et une instance côté réception du second exploitant de réseau.

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