North American ISDN Users' Forum Agreements on ISDN

摘要

The document compiles the existing NIU-Forum agreements for an ISDN developed andapproved in the NIU-Forum as of October 1991. These agreements cover: Layer 1 BRI at the U, and S/T reference points; Layer 1 PRI at the U/S/T reference points; Layer 2 BRI and PRI; Layer 3 BRI Basic Call Control for Class I equipment; Layer 3 PRI Basic Call Control for Class II equipment; and Generic Control procedures for Class I BRI Supplementary Services. In addition, the document references the Conformance tests which have been completed by the NIU-Forum. These include: Layer 1 BRI S/T interface; and Layer 2 BRI LAPD. Finally, the document contains the Application Profiles for: four of the Incoming Call Management applications;