ANSI/ATIS 1000619.a-1994 Telecommunications - Integrated Services Digital Network (ISDN) - Multi-Level Precedence and Preemption (MLPP) Service Capability (MLPP Service Domain and Cause Value Changes)
1994ANSI/ATIS 1000619.a-1994 Telecommunications - Integrated Services Digital Network (ISDN) - Multi-Level Precedence and Preemption (MLPP) Service Capability (MLPP Service Domain and Cause Value Changes)