DIN EN 302213:2004
高级网络的范围和协议.载体独立呼叫控制能力设置2.协议规范
Services and Protocolls for Advanced Networks (SPAN) - Bearer Independent Call Control (BICC) Capability Set 2 (CS2) - Protocol specification [ITU-T Recommendations Q.1902.1, Q.1902.2, Q.1902.3, Q.1902.4, Q.1902.5, Q.1902.6, Q.765.5 Amendment 1, Q.1912.1,