Patents by Inventor Mazen Aladwin

Mazen Aladwin 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).

  • Patent number: 9565216
    Abstract: A method includes receiving a first secured registration request message from user equipment at a registration server in an Internet Protocol multimedia subsystem network, the first secured registration request message being secured using a first security protocol, determining at the registration server that the first secured registration request message cannot be decoded using the first security protocol, sending a message from the registration server to the user equipment proposing a second security protocol, and receiving a second secured registration request message from the user equipment at the registration server, the second secured registration request message being secured using the second security protocol.
    Type: Grant
    Filed: October 24, 2014
    Date of Patent: February 7, 2017
    Assignee: AT&T INTELLECTUAL PROPERTY I, L.P.
    Inventors: Mohamed Khalil, Arun Chatterjee, Mazen Aladwin, Karl Schlieber