ETSI ETS 300 207- 2-1996 综合业务数字网(ISDN).转移补充业务.1号数字用户信令系统(DSS1)协议.第2部分:协议实现一致性声明(PICS)形式规范
Integrated Services Digital Network (ISDN); Diversion Supplementary Services; Digital Subscriber Signalling System No. One (DSS1) Protocol; Part 2: Protocol Implementation Conformance Statement (PICS) Proforma Specification