NBN EN 301 655-2004 标准详情
- 标准号：NBN EN 301 655-2004
- 中文标题：
- 英文标题：Private Integrated Services Network (pisn); Specification, Functional Model And Information Flows; Call Priority Interruption And Call Priority Interruption Protection Supplementary Services
- 标准类别：比利时标准NBN
- 发布日期：
