Patents by Inventor Åke Busin

Åke Busin has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • METHODS AND SYSTEMS FOR END-TO-END SECURE SIP PAYLOADS
    Publication number: 20110131414
    Abstract: Methods, systems and communication nodes for protecting Session Initiation Protocol (SIP) message payloads are described. Different protection techniques can be used to protect SIP payloads depending upon, for example, whether a recipient client application resides in a user equipment or an application server and/or whether a recipient client application resides in a same SIP/IP domain as the target SIP application server which is sending the SIP payloads.
    Type: Application
    Filed: November 30, 2009
    Publication date: June 2, 2011
    Inventors: Yi Cheng, Åke Busin, Luis Barriga