Information technology — Telecommunications and information exchange between systems — Broadband Private Integrated Services Network — Inter-exchange signalling protocol — Signalling ATM adaptation layer
信息技术——系统间的电信和信息交换——宽带专用综合业务网——交换间信令协议——信令ATM适配层
This International Standard specifies the signalling ATM adaptation layer (SAAL) protocol used at the interface between Broadband PINXs and between Broadband PISNs within the framework of the B-QSIG signalling System protocol family. The B-QSIG SAAL uses the functions provided by the ATM layer, and provides the Services required by the B-QSIG Layer 3 signalling protocols.