Accession Number:

ADA238714

Title:

Modification of Group 4 Validation System

Descriptive Note:

Final rept.,

Corporate Author:

DELTA INFORMATION SYSTEMS INC HORSHAM PA

Personal Author(s):

Report Date:

1990-12-01

Pagination or Media Count:

73.0

Abstract:

The purpose of this task was the modification of the Group 4 Validation System Software to conform to the CCITT Blue Book Recommendations governing Group 4 Facsimile equipment. The Group 4 Validation System was developed in accordance with the Open Systems Interconnection OSI 7-layer architecture. With the release of the CCITT Blue Book Recommendations, the ApplicationUser interface, the Application Layer and the Presentation Layer were either defined andor significantly changed. In particular the upper layers of Group 4 Facsimile are now structured in accordance with the Open Document Architecture ODA and the Document Transfer and Manipulation DTAM procedures as specified in the T.400 Series of Recommendations.

Subject Categories:

  • Computer Programming and Software

Distribution Statement:

APPROVED FOR PUBLIC RELEASE