ETSI ETS 300 347-2 PRA 1-1996 修改件1.信令协议与交换(SPS).数字本地交换(LE)的V接口.支持接入网(AN)的V5.2接口.第2部分:协议实现一致性声明(PICS)形式规范
AMD 1 Signalling Protocols and Switching (SPS); V Interfaces at the Digital Local Exchange (LE); V5.2 Interface for the Support of Access Network (AN); Part 2: Protocol Implementaion Conformance Statement (PICS) Proforma