Alcatel Lucent

Claudio Forlivesi

Alessandro Duminuco

Nico Janssens

Philippe Guillaume Dobbelaere

Fahim Kawsar

Eric Victor Waegeman

Johan Moreels

A method for transferring state information pertaining to a plurality of SIP conversations from a first SIP server to a second SIP server, said first SIP server and said second SIP server being operatively connected to one or more SIP gateways, the method comprising at a controlling node: monitoring said first SIP server until ongoing transactions are terminated; after termination of said ongoing transactions, obtaining dialog state information pertaining to conversations managed by said first SIP server from said first SIP server; and storing said obtained dialog state information at said second SIP server.

Method for transferring state information pertaining to a plurality of SIP conversations

An apparatus (CEG) for interconnecting a user agent to a cluster of servers, the apparatus comprising a first protocol agent configured to exchange first messages with said user agent according to a SIP protocol, wherein said apparatus has the role of a User Agent Server; a second protocol agent configured to exchange second messages with a selected server from among said cluster of servers according to the SIP protocol, wherein said apparatus has the role of a User Agent Client; interconnection means for relaying messages from among said first messages and said second messages between said first protocol agent and said second protocol agent; wherein said second protocol agent is further configured to terminate elasticity control messages received from said cluster of servers.

Method and apparatus for interconnecting a user agent to a cluster of servers

The invention concerns a method for transferring data from a sensor over a computer network, wherein the method comprises the steps of receiving from the sensor a signal representing a physical quantity, encoding the signal, converting the signal into a message, and transmitting the message over the computer network, wherein the conversion of the signal into the message comprises the step of generating the message by combining a first message header with a message body, wherein the first message header comprises the encoded signal and the message body comprises application data. The invention further concerns a device and computer program product therefore.

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Sint-Lambrechts-Woluwe, Belgium

Claudio Forlivesi