Patents Assigned to Interack Communications, Inc.
  • Detecting and providing visual indication of error in manually-entered service profile identifier (SPID)
    Patent number: 5916304
    Abstract: A computer program-implemented Service Profile Identifier (SPID) error identifier and indicator for use in an ISDN terminal access device such an ISDN terminal adapter including a programmable terminal access device programmed to determine, for each SPID entered, whether it is identical to the SPID assigned by the telephone company, and if not, to provide visual indication of an erroneously entered SPID.
    Type: Grant
    Filed: September 8, 1997
    Date of Patent: June 29, 1999
    Assignee: Interack Communications, Inc.
    Inventors: Philip G. Ericson, Ray M. Ransom
  • ISDN D-channel signaling discriminator
    Patent number: 5748628
    Abstract: The present invention is a software implementation for the processing of ISDN signaling protocol independent of the equipment type and vendor variations of the CCITT Q.921/Q.931 protocol specification with which it is connected, including at least one layer two filter and at least one layer three filter which are adapted to cooperate together to process ISDN D-channel signals independent of ISDN facility type.
    Type: Grant
    Filed: November 5, 1996
    Date of Patent: May 5, 1998
    Assignee: Interack Communications, Inc.
    Inventors: Philip G. Ericson, Ray M. Ransom