Search Patents
  • Publication number: 20100098065
    Abstract: A method and apparatus for enabling calling parties to request the VoIP network to provide a special ring tone to be signaled as the occurrence of an urgent call to called parties are disclosed. Alternatively, a high frequency intercept tone or call waiting tone is also provided when the called parties are already engaged in conversation when an urgent call is incoming.
    Type: Application
    Filed: December 26, 2009
    Publication date: April 22, 2010
    Inventors: Marian Croak, Hossein Eslambolchi
  • Patent number: 7224773
    Abstract: The present invention enables the remote activation of a device by a packet-switched service, e.g., VoIP network service for the purposes of receiving calls identified as urgent from a pre-identified calling party when the device is disabled. The present invention enables registered users to select the calling parties they wish to receive emergency calls from.
    Type: Grant
    Filed: December 23, 2004
    Date of Patent: May 29, 2007
    Assignee: AT&T Corp.
    Inventors: Marian Croak, Hossein Eslambolchi
  • Patent number: 8897436
    Abstract: A method and apparatus for enabling calling parties to request the VoIP network to provide a special ring tone to be signaled as the occurrence of an urgent call to called parties are disclosed. Alternatively, a high frequency intercept tone or call waiting tone is also provided when the called parties are already engaged in conversation when an urgent call is incoming.
    Type: Grant
    Filed: December 26, 2009
    Date of Patent: November 25, 2014
    Assignee: AT&T Intellectual Property II, L.P.
    Inventors: Marian Croak, Hossein Eslambolchi
  • Patent number: 8737584
    Abstract: The present invention enables the remote activation of a device by a packet-switched service, e.g., VoIP network service for the purposes of receiving calls identified as urgent from a pre-identified calling party when the device is disabled. The present invention enables registered users to select the calling parties they wish to receive emergency calls from.
    Type: Grant
    Filed: March 5, 2012
    Date of Patent: May 27, 2014
    Assignee: AT&T Intellectual Property II, L.P.
    Inventors: Marian Croak, Hossein Eslambolchi