Summary

This ITU-T Recommendation is one of a set of ITU-T Recommendations that describe the Broadband ISDN User Part. It specifies the formats and codes of the B-ISDN User Part messages and parameters required to support basic bearer services and supplementary services.

The scope of the B-ISDN User Part covers international B-ISDN networks. However, the B-ISDN User Part is suitable for national applications. Most messages and parameters specified for international use are also required in typical national applications.