NEN EN 301655-2004 标准详情
- 标准号:NEN EN 301655-2004
- 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 Service
- 标准类别:荷兰国家标准NEN
- 发布日期: