Network Performance Measurements of ISDN Calls - Series M: TMN and Network Maintenance: International Transmission Systems Telephone Circuits Telegraphy Facsimile and Leased Circuits Integrated Services Digital Networks Study Group 4; 85pp
This Recommendation defines in-service measurements of ISDN calls and defines the related management information that shall be available at management interfaces of the ISDN local exchanges. This information can be used by the TMN for performance manageme