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

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ITU-T E.720 Document Information:

Title
ISDN Grade of Service Concept - Telephone Network and ISDN - Quality of Service, Network Management and Traffic Engineering (Study Group II) 3 pp

International Telecommunication Union/ITU Telcommunication Sector

Publication Date:
Jan 1, 1989

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