Patents by Inventor Irfan Shokat Shahdad

Irfan Shokat Shahdad 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: 11882164
    Abstract: One or more Push-To-Talk (PTT) processing devices of an Internet Protocol (IP) communication system receive an indication that a telephone call has been parked in the IP communication system. The one or more PTT processing devices determine the location of one or more PTT users of the IP communication system. The one or more PTT processing devices generate a first PTT channel based upon location of the one or more PTT users. The first PTT channel includes a first subset of the one or more PTT users. The one or more PTT processing devices transmit a first PTT audio notification that the telephone call is parked in the IP communication system to the first PTT channel.
    Type: Grant
    Filed: August 13, 2020
    Date of Patent: January 23, 2024
    Assignee: CISCO TECHNOLOGY, INC.
    Inventors: Faisal Siyavudeen, Sanjay Sinha, Adnan M. Agboatwalla, Irfan Shokat Shahdad, Hakim Mehmood