Patents by Inventor Saji Varughese

Saji Varughese 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).

  • Apparatus and methods for flexible communications in a network
    Patent number: 9294591
    Abstract: A method that incorporates teachings of the subject disclosure may include, for example, transmitting a first query to a domain naming server responsive to receiving a session initiation protocol message comprising a fully qualified domain name. The first query can include one of an internet protocol version 4 address query or an internet protocol version 6 address query associated with the fully qualified domain name. The method can include receiving at least one answer from the domain naming server. The at least one answer can include at least one of an internet protocol version 4 address having no errors, a second internet protocol version 6 address having no errors, or both. The method can also include transmitting a message to a communication device. The message can include information associated with the at least one answer.
    Type: Grant
    Filed: March 20, 2015
    Date of Patent: March 22, 2016
    Assignee: AT&T Intellectual Property I, IP
    Inventors: Lakshminarashimhan Naidu, Bernard Ku, Saji Varughese
  • APPARATUS AND METHODS FOR FLEXIBLE COMMUNICATIONS IN A NETWORK
    Publication number: 20150215437
    Abstract: A method that incorporates teachings of the subject disclosure may include, for example, transmitting a first query to a domain naming server responsive to receiving a session initiation protocol message comprising a fully qualified domain name. The first query can include one of an internet protocol version 4 address query or an internet protocol version 6 address query associated with the fully qualified domain name. The method can include receiving at least one answer from the domain naming server. The at least one answer can include at least one of an internet protocol version 4 address having no errors, a second internet protocol version 6 address having no errors, or both. The method can also include transmitting a message to a communication device. The message can include information associated with the at least one answer.
    Type: Application
    Filed: March 20, 2015
    Publication date: July 30, 2015
    Inventors: Lakshminarashimhan Naidu, Bernard Ku, Saji Varughese
  • Apparatus and methods for flexible communicatons in a network
    Patent number: 9015327
    Abstract: A method that incorporates teachings of the subject disclosure may include, for example, transmitting a first query to a domain naming server responsive to receiving a session initiation protocol message comprising a fully qualified domain name. The first query can include one of an internet protocol version 4 address query or an internet protocol version 6 address query associated with the fully qualified domain name. The method can include receiving at least one answer from the domain naming server. The at least one answer can include at least one of an internet protocol version 4 address having no errors, a second internet protocol version 6 address having no errors, or both. The method can also include transmitting a message to a communication device. The message can include information associated with the at least one answer.
    Type: Grant
    Filed: June 11, 2012
    Date of Patent: April 21, 2015
    Assignee: AT&T Intellectual Property I, LP
    Inventors: Lakshminarashimhan Naidu, Bernard Ku, Saji Varughese
  • APPARATUS AND METHODS FOR FLEXIBLE COMMUNICATONS IN A NETWORK
    Publication number: 20130332562
    Abstract: A method that incorporates teachings of the subject disclosure may include, for example, transmitting a first query to a domain naming server responsive to receiving a session initiation protocol message comprising a fully qualified domain name. The first query can include one of an internet protocol version 4 address query or an internet protocol version 6 address query associated with the fully qualified domain name. The method can include receiving at least one answer from the domain naming server. The at least one answer can include at least one of an internet protocol version 4 address having no errors, a second internet protocol version 6 address having no errors, or both. The method can also include transmitting a message to a communication device. The message can include information associated with the at least one answer.
    Type: Application
    Filed: June 11, 2012
    Publication date: December 12, 2013
    Applicant: AT & T Intellectual Property I, LP
    Inventors: Lakshminarashimhan Naidu, Bernard Ku, Saji Varughese
  • Analog telephone adapter and emergency proxy
    Patent number: 8050395
    Abstract: An analog telephone adapter (ATA) comprises a dial tone generator, control logic and a packet generator. The dial tone generator generates a dial tone when the ATA is in an unregistered state. The control logic processes a dial-out request when the ATA is in the unregistered state. The control logic directs the packet generator to generate an invite packet for an emergency proxy to handle the dial-out request on behalf of the ATA when the ATA is in the unregistered state.
    Type: Grant
    Filed: June 12, 2006
    Date of Patent: November 1, 2011
    Assignee: AT&T Intellectual Property I, L.P.
    Inventors: Mehrad Yasrebi, Haifeng Bi, Saji Varughese, Satish Jaganath Parolkar, Robert F. Dailey
  • Analog telephone adapter and emergency proxy
    Publication number: 20070286352
    Abstract: An analog telephone adapter (ATA) comprises a dial tone generator, control logic and a packet generator. The dial tone generator generates a dial tone when the ATA is in an unregistered state. The control logic processes a dial-out request when the ATA is in the unregistered state. The control logic directs the packet generator to generate an invite packet for an emergency proxy to handle the dial-out request on behalf of the ATA when the ATA is in the unregistered state.
    Type: Application
    Filed: June 12, 2006
    Publication date: December 13, 2007
    Applicant: SBC Knowledge Ventures, LP
    Inventors: Mehrad Yasrebi, Haifeng Bi, Saji Varughese, Satish Jaganath Parolkar, Robert F. Dailey