Patents by Inventor Philip Anthony Scott

Philip Anthony Scott 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).

  • SIP signalling
    Patent number: 10116708
    Abstract: The present invention relates to signalling between entities in a SIP protocol communication in which the transport protocol can be changed during the call to provide improved call reliability.
    Type: Grant
    Filed: April 28, 2014
    Date of Patent: October 30, 2018
    Assignee: Metaswitch Networks Limited
    Inventor: Philip Anthony Scott
  • Acknowledgement message monitoring
    Patent number: 9407671
    Abstract: The invention relates to a system and method for monitoring a handshaking exchange between a call initiator and a call recipient to determine if handshaking has failed, to avoid repeated failed calls between the call initiator and the call recipient.
    Type: Grant
    Filed: August 20, 2013
    Date of Patent: August 2, 2016
    Assignee: Metaswitch Networks Limited
    Inventors: Philip Anthony Scott, Richard David Sugarman
  • SIP SIGNALLING
    Publication number: 20150016446
    Abstract: The present invention relates to signalling between entities in a SIP protocol communication in which the transport protocol can be changed during the call to provide improved call reliability.
    Type: Application
    Filed: April 28, 2014
    Publication date: January 15, 2015
    Applicant: Metaswitch Networks Limited
    Inventor: Philip Anthony Scott
  • ACKNOWLEDGEMENT MESSAGE MONITORING
    Publication number: 20140059239
    Abstract: The invention relates to a system and method for monitoring a handshaking exchange between a call initiator and a call recipient to determine if handshaking has failed, to avoid repeated failed calls between the call initiator and the call recipient.
    Type: Application
    Filed: August 20, 2013
    Publication date: February 27, 2014
    Applicant: Metaswitch Networks Limited
    Inventors: Philip Anthony Scott, Richard David Sugarman