ETS PRETS 300 238-1992 标准详情
- 标准号：ETS PRETS 300 238-1992
- 中文标题：专用电信网PTN ，私营电信交换协议之间的信令为名称标识补充业务的支持
- 英文标题：private telecommunications network ptn ; signalling between private telecommunication exchanges protocol for the support of name identification supplementary services
- 标准类别：欧洲通信标准ETS
- 发布日期：1992-01-01
