SS EN 301 657 Ed. 1 (2000) 标准详情
- 标准号：SS EN 301 657 Ed. 1 (2000)
- 中文标题：
- 英文标题：Private Integrated Services Network (pisn) - Specification, Functional Models And Information Flows - Private User Mobility (pum) - Call Handling Additional Network Features (anfs)
- 标准类别：新加坡SS
- 发布日期：
