Telefonaktiebolaget Lm Ericsson (publ)

Centro Sviluppo Material S.p.a.

Philip Morris Products S.a.

Luca Risso

Stefano Fortunati

Mario Tului

Michele Pagnoni

Alberto Bonici

Fabio Poggi

Vittoriano Grandi

Davide Grillo

Diego Ferrazzin

Adolfo Turchetti

Paola Geromel

Daniele Scali

There is provided a method of operating a switch () or an access node () in a network (), the switch or access node having a plurality of interfaces () through which data packets () can be received and forwarded, the network () further comprising one or more gateway nodes () and one or more user terminals (), each of the gateway nodes and the user terminals having a respective address, the method in the switch or access node comprising identifying the address for at least one of the gateway nodes (); comparing a source address () specified in a data packet received from a user terminal at one of the interfaces of the switch or access node to the identified addresses for the one or more gateway nodes (); storing the source address specified in the data packet and the identity of the interface through which the data packet was received if the source address specified in the data packet does not match an address for any of the one or more gateway nodes (); and discarding the data packet if the source address specified in the data packet matches an address for any of the one or more gateway nodes ().

Method of operating a switch or access node in a network and a processing apparatus configured to implement the same

Disclosed are methods and arrangements in a VoIP access node for handling downstream and upstream RTP packets associated with an ongoing VoIP call. One common IP address can be assigned to the all of the RTP traffic of an access node instead of assigning one IP address per VoIP card. This may be done by identifying the destination VoIP card based on the destination UDP port number in a received RTP packet. The number of public IP addresses needed for VoIP service may be reduced without increasing the cost of the access node.

Access node comprising VoIP cards with common IP/MAC addresses

A process for producing YBCO powders by pyrolysis involves preparing a clear aqueous solution containing the ions yttrium, barium and copper, in the final proportions desired for the powder, in the form of complex compounds, preferably citric complex compounds, and in the presence of a detonating system such as a combination of ammonium ions and nitrate ions. The clear solution is then concentrated by evaporation, until a violent combustion is triggered which is carried out at a high temperature, higher than 250.degree. C. and preferably higher than 850.degree. C.

Process for the manufacture of 95% by weight single phase YCBO powder in

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Genoa, Italy

Luca Risso