Patents by Inventor Mervyn D'Cruz

Mervyn D'Cruz 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).

  • Voice mail system and method of inter-voice mail system communication
    Patent number: 6005922
    Abstract: A method of exchanging voice mail messages between voice mail systems is disclosed. A voice mail system employing the method is also disclosed. The method comprises establishing a message exchange session between a first and second voice mail system. Information about features offered at each system is exchanged between the systems. Using this information the features that are common to both systems are determined. Thereafter, message data used only by features common to both systems is exchanged.
    Type: Grant
    Filed: November 7, 1997
    Date of Patent: December 21, 1999
    Assignee: Nortel Networks Corporation
    Inventors: Gary Longster, Janusz Maruszak, Mervyn D'Cruz, Brian Oliver