ITU-T E.720-1989
ISDN Grade of Service Concept - Telephone Network and ISDN - Quality of Service, Network Management and Traffic Engineering (Study Group II) 3 pp

Standard No.

ITU-T E.720-1989

Release Date

1989

Published By

International Telecommunication Union (ITU)

Status

Withdraw

Latest

ITU-T E.720-1989

Scope

This Recommendation outlines the general considerations for the ISDN Grade of Service (GOS) concept and provides guidelines for selecting GOS parameters. In this Series of Recommendations, the term GOS always refers to traffic Grade of Service parameters

ITU-T E.720-1989 history

• 1989 ITU-T E.720-1989 ISDN Grade of Service Concept - Telephone Network and ISDN - Quality of Service, Network Management and Traffic Engineering (Study Group II) 3 pp