Patents by Inventor K Hal Purdy

K Hal Purdy 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 allowing access to traditional voice mail and interactive voice response systems over internet-like networks
    Patent number: 6385202
    Abstract: A method and system for accessing a remote system via a computer connected to a packet data network, comprises a Packet Data Network Gateway (PDNG) is connected to the packet data network. The PDNG receives a signal representing a DTMF tone transmitted from the computer, generates the DTMF tone at corresponding to the received signal, and transmits the generated DTMF tone to the remote system. The PDNG receives a response from the remote system and creates at least one voice packet for transmission to the computer over the packet data network. The remote system may be a voice messaging system or an interactive voice response (IVR) system.
    Type: Grant
    Filed: October 1, 1997
    Date of Patent: May 7, 2002
    Assignee: AT&T Corp.
    Inventors: Howard Paul Katseff, K Hal Purdy, Bethany Scott Robinson