NBN ETS 300 141 2-1996 标准详情
- 标准号：NBN ETS 300 141 2-1996
- 中文标题：
- 英文标题：Integrated Services Digital Network (isdn); Call Hold (hold) Supplementary Service - Digital Subscriber Signalling System No. One (dss1) Protocol - Part 2: Protocol Implementation Conformance Statement (pics) Proforma Specification
- 标准类别：比利时标准NBN
- 发布日期：
