Patents by Inventor B. Raghavendra Rao

B. Raghavendra Rao 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).

  • Method and system for answer-mode identification of a telephony device
    Patent number: 8867709
    Abstract: A method and an apparatus for the identification of the mode of a telephony device in a network are provided. A call initiation signal is received from a mode-identifying telephony device. The call initiation signal is used to communicate with a mode-selecting telephony device. Thereafter, the mode at the mode-selecting telephony device is detected and an answer mode signal, including the information regarding the answering mode of the mode-selecting telephony device, is sent to the mode-identifying telephony device.
    Type: Grant
    Filed: January 3, 2006
    Date of Patent: October 21, 2014
    Assignee: Cisco Systems, Inc.
    Inventor: B. Raghavendra Rao
  • Method and system for answer-mode identification of a telephony device
    Publication number: 20080123840
    Abstract: A method and an apparatus for the identification of the mode of a telephony device in a network are provided. A call initiation signal is received from a mode-identifying telephony device. The call initiation signal is used to communicate with a mode-selecting telephony device. Thereafter, the mode at the mode-selecting telephony device is detected and an answer mode signal, including the information regarding the answering mode of the mode-selecting telephony device, is sent to the mode-identifying telephony device.
    Type: Application
    Filed: January 3, 2006
    Publication date: May 29, 2008
    Applicant: Cisco Technology, Inc.
    Inventor: B. Raghavendra Rao