Summary

This Recommendation defines the operation of the Digital Subscriber Signalling System No. 2 (DSS 2) for the support of the SBR2 and SBR3 ATM transfer capabilities defined in Recommendation I.371 that may be used for basic call and connection control at the T_B or at the coincident S_B and T_B reference point of the user-to-network interface of the Broadband Integrated Services Digital Network (B-ISDN). The additional procedures defined in this Recommendation enable the call requesting user to invoke call/connection establishment between users using a connection for which the Statistical Bit Rate configuration 2 or 3 (SBR2 or SBR3) ATM transfer capability is applied by the network.